TY - CHAP A1 - Miccoli, Lorenzo A1 - Destefano, F. ED - Legrand, T. ED - McConnell, A. T1 - Strategies for high risk reduction and management as global responsibility N2 - In the last decades it has been necessary to face emergencies due to big crisis events caused by anthropic and natural events. In particular modern technological Systems have reached such a high level of complexity that even a simple event can influence correct behavior with potential catastrophic consequences. The security and economy of technologically developed countries depends on the correct behavior of this infrastructure and on the continuity of the Services that they grant. In this framework, risk management assumes an important role focusing on policies for vulnerability reduction and after-crisis management. It imposes a multidisciplinary and transnational approach in Order to establish a common strategy between different countries, studying how to be prepared for disasters and prevent disaster damage. In this paper a preliminary analysis of risk categories is presented, suggesting a number of tentative proposals for risk reduction. KW - Risk management KW - Vulnerability KW - Risk analysis KW - Disaster risk reduction strategies PY - 2013 SN - 978-1-4094-4077-2 N1 - Serientitel: The library of essays on emergency ethics, law and policy – Series title: The library of essays on emergency ethics, law and policy VL - III IS - Chapter 7 SP - 95 EP - 110 PB - Ashgate Publishiing Limited AN - OPUS4-28689 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Ferraioli, M. A1 - Mandara, A. A1 - Abruzzese, D. A1 - Miccoli, Lorenzo ED - Ferrari, A. T1 - Seismic assessment of two masonry medieval bell towers T2 - 5th International congress on science and technology for the safeguard of cultural heritage in the Mediterranean basin CY - Istanbul, Turkey DA - 2011-11-22 KW - Masonry towers KW - Environmental vibration tests KW - Dynamic identification KW - Seismic assessment PY - 2012 SN - 978-88-905639-8-0 VL - II SP - 220 EP - 226 PB - CNR AN - OPUS4-26208 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CHAP A1 - Miccoli, Lorenzo A1 - Fontana, Patrick A1 - Müller, U. T1 - Charakterisierung von Lehmmauerwerk unter statischer Druck- und Schubbeanspruchung N2 - Schätzungen zufolge leben und arbeiten zurzeit 30 bis 40 % der Weltbevölkerung in Gebäuden aus Lehm. Darunter befindet sich auch eine nicht unerhebliche Anzahl an Baudenkmälern, davon viele in einem gefährdeten Zustand. Bauwerke aus Lehm erfordern einen hohen Unterhaltungsaufwand, da sie anfällig sind für Erosion bei Regen sowie Abplatzungen und Querschnittsschwächung, wenn Salze kapillar transportiert werden und auskristallisieren. Außerdem sind sie empfindlich gegenüber mechanischen Beanspruchungen. So führen bereits relativ niedrige Zug- oder Druckspannungen zu Schädigungen durch Rissbildung. Einige Lehmbauweisen werden heute nicht mehr ausgeführt und das Wissen über sie ist zumindest teilweise verloren gegangen. Die verschiedenen Lehmbauweisen unterscheiden sich deutlich in Bezug auf die Zusammensetzung des Materials und die Bautechniken. KW - Lehmmauerwerk KW - Druck- und Schubbeanspruchung PY - 2013 SN - 978-3-433-03017-2 SN - 978-3-433-60296-6 SN - 0170-4958 IS - Kap. 1.2.6 SP - 629 EP - 633 PB - Ernst & Sohn AN - OPUS4-28584 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Perrone, C. A1 - Müller, Urs A1 - Gardei, André A1 - Ziegert, C. ED - Drochytka, R. ED - Bohus, S. T1 - Structural performances of earthen building materials. A comparison between different typologies N2 - Traditional construction techniques utilizing earthen materials are often seen as inferior compared to modern ways of building. Structural earthen elements are perceived as vulnerable towards environmental influences (moisture, frost) and in particular towards the load scenarios during earthquakes. In comparison to the recent advances in research on stone and brick masonry, knowledge on the structural performance of earthen building construction is limited and scattered. Consequently the confidence in the performance of these earthen buildings constructed in the traditional techniques during earthquakes is fairly low. The research presented here aims to make a comparison of mechanical behavior between different earth masonry material typologies, consisting of earth block masonry, rammed earth and cob. The paper has been developed in the framework of a larger research program called NIKER. BAM and other seventeen research partners from the Mediterrean area are jointly involved to develop and validate innovative materials and technologies for the systemic improvement of the seismic behavior of Cultural Heritage assets T2 - 2nd WTA - Internaitonal PhD Symposium - Building materials and buidling technology to preserve the built heritage CY - Brno, Czech Republic DA - 06.10.2011 KW - Earth masonry KW - Material test KW - Mechanical behavior KW - Cultural heritage PY - 2011 SN - 978-3-937066-21-9 SN - 0947-6830 N1 - Serientitel: WTA-Schriftenreihe – Series title: WTA-Schriftenreihe VL - 2 / Part 2 IS - 36 SP - 86 EP - 94 PB - WTA Publications AN - OPUS4-24928 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Perrone, C. A1 - Müller, Urs A1 - Gardei, André A1 - Ziegert, C. T1 - Comparison of mechanical behavior of different earth masonry typologies in cultural heritage N2 - The paper has been developed in the framework of a larger EC‐research program called NIKER, in which BAM and other seventeen research partners from the Mediterrean area are jointly involved. It aims to develop and validate innovative materials and technologies for the systemic improvement of the seismic behavior of Cultural Heritage assets. The death tolls brought about by recent catastrophes in developing countries where many inhabitants lived in earthen dwellings (Gujarat, India 2001, Bam, Iran 2003 and Concepción, Chile 2010 Earthquakes, Tamil Nadu 2004 Tsunami) have brought about research studies aimed at improving earth construction in terms of strength, seismic resistance and speed of construction. In comparison to the recent advances in research on stone and brick masonry, knowledge on the material properties and failure mechanisms of earthen Building construction is limited and scattered. The research presented here by aims making a comparison of mechanical behaviour between different earth masonry material typologies, consisting of earth block masonry, rammed earth and cob. T2 - WCCE-ECCE-TCCE Joint conference 2 - Seismic protection of cultural heritage CY - Antalya, Turkey DA - 31.10.2011 KW - Earth masonry KW - Material test KW - Cultural heritage KW - Seismic resistance PY - 2011 SN - 978-605-01-0188-1 SP - 25 EP - 36 AN - OPUS4-24836 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Ferraioli, M. A1 - Mandara, A. A1 - Abruzzese, D. A1 - Miccoli, Lorenzo T1 - Dynamic identification and seismic safety of masonry bell towers N2 - The paper addresses two case studies of structural monitoring and seismic assessment of medieval masonry Towers in Italy: the bell tower of Aversa and the bell tower of Capua. These monuments in the Campania region were monitored by means of full-scale environmental vibration testing. Measured responses were then used for modal identification. The procedure is based on a typical finite element model updating technique based on vibration test results. Parameters optimization is carried out by minimizing a weighted error criterion relative to the building’s modal properties. A satisfactory improvement on modal parameters is thus obtained, resulting in a close Agreement between the modal properties observed in dynamic tests and those calculated from numerical model. Seismic assessment is carried out with nonlinear static analysis of the tower under multimodal distributions of lateral loads. Nonlinear analysis indicates the potential collapse mechanisms and evidences dangerous structural weakness which may play a role in the seismic vulnerability of the towers. T2 - 14th Conference of seismic engineering ANIDIS CY - Bari, Italy DA - 18.09.2011 KW - Masonry towers KW - Structural identification KW - Model updating PY - 2011 SN - 978-88-7522-040-2 IS - Abschnitt E SP - 1 EP - 10 AN - OPUS4-24839 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Ferraioli, M. A1 - Abruzzese, D. A1 - Miccoli, Lorenzo A1 - Di Lauro, G. T1 - Torsional seismic response of an asymmetric-plan hospital buidling N2 - The inelastic torsional response of an asymmetric-plan hospital building is studied. The response of the structure in the time domain as recorded by highly sensitive sensor network, integrated by a data acquisition system. The identification was performed using techniques of modal extraction in the frequency domain (frequency Domain decomposition). A calibration process was applied in order to identify a reliable structural model to be used for the seismic vulnerability assessment of the hospital building. In particular, a nonlinear static procedure accounting for mass distribution, higher modes contribution and mode-shapes correlation was proposed for the estimation of the seismic response of irregular buildings. Finally, the influence of lateral force distribution, node control during pushover and accidental eccentricity is investigated. T2 - 14th Conference of seismic engineering ANIDIS CY - Bari, Italy DA - 18.09.2011 KW - Seismic response KW - Irregular buildings KW - Inelastic torsion PY - 2011 SN - 978-88-7522-040-2 IS - Abschnitt D SP - 1 EP - 10 AN - OPUS4-24840 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Perrone, Chiara A1 - Müller, Urs A1 - Gardei, André A1 - Ziegert, C. T1 - Structural performances of earthen building materials. A comparison between different typologies T2 - 2nd WTA - International PhD Symposium CY - Brno, Czech Republic DA - 2011-10-06 PY - 2011 AN - OPUS4-25038 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Perrone, Chiara A1 - Müller, Urs A1 - Gardei, André A1 - Ziegert, C. T1 - Comparison of mechanical behavior of different earth masonry typologies in cultural heritage T2 - WCCE-ECCE-TCCE Joint Conference 2 - Seismic protection of cultural heritage CY - Antalya, Turkey DA - 2011-10-31 PY - 2011 AN - OPUS4-25039 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Miccoli, Lorenzo A1 - Perrone, C. A1 - Fontana, Patrick A1 - Müller, Urs A1 - Ziegert, C. T1 - Charakterisierung und Modellierung der mechanischen Eigenschaften von Lehmsteinmauerwerk / Mechanical characterization and modelling of earth block masonry N2 - Das Wissen über die Materialeigenschaften und die Versagensmechanismen bei Lehmbaustoffen ist begrenzt und lückenhaft. Im Rahmen des EU-Projekts NIKER (www.niker.eu) wurden deshalb die mechanischen Eigenschaften von Bauteilen aus Lehm unter statischer Druck- und Schubbeanspruchung bestimmt. Ziel der Untersuchungen war es, grundlegende Daten zum Verformungs- und Versagensverhalten von Lehmbauteilen zu erhalten und dieses mit einem numerischen Modell zu beschreiben. Die Versuchsergebnisse belegten das spröde Verhalten von Lehmsteinmauerwerk bei uniaxialer Druckbelastung und zeigten, dass das Versagen von Lehmsteinmauerwerk infolge Schubbelastung nach Erstrissbildung in Mörtelfugen und Lehmsteinen durch Gleiten der Lehmsteine entlang der Mörtelfugen erfolgt. Die numerische Makromodellierung erbrachte zwar befriedigende Resultate hinsichtlich des Spannungs-Dehnungs-Verhaltens, jedoch konnte bei der simulierten Rissbildung keine Übereinstimmung mit den in den Versuchen beobachteten Rissbildern erzielt werden. Bei Lehmsteinmauerwerk ist also eine wesentlich aufwendigere Mikromodellierung notwendig, um das Versagensverhalten korrekt beschreiben zu können.-------------------------------------------------------------------------------------------------------------- Knowledge of the material properties and failure mechanisms of earthen materials is limited and scattered. Within the framework of the NIKER project (www.niker.eu) funded by EC, the mechanical properties of earthen material elements were therefore determined under static compression and shear loads. The aim was to obtain fundamental data on deformation behaviour and failure mechanisms of earthen material structural elements and to describe them by means of a numerical model. The test results confirmed the brittle behaviour of earth block masonry under monoaxial compressive load and showed that the failure of earth block masonry under shear load occurs by sliding of the earth blocks along the mortar joints after initial cracking in mortar joints and earth block. Numerical macro modelling showed satisfying results with regard to stress-strain behaviour, but the simulated crack pattern was not consistent with experimental observations. In the case of earth block masonry, it is thus necessary to use micro modelling approaches in order to correctly predict the failure process at local level. KW - Lehmstein Mauerwerk KW - Druckversuche KW - Schubversuche KW - F.E.M. Modellierung PY - 2012 U6 - https://doi.org/10.1002/dama.201200555 SN - 1432-3427 SN - 1437-1022 N1 - Sprachen: Deutsch/Englisch - Languages: German/English VL - 16 IS - 6 SP - 279 EP - 292 PB - Ernst CY - Berlin AN - OPUS4-27589 LA - mul AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo T1 - Earthen materials: analysis and conservation T2 - International Colloquium on Conservation of Historical, Monumental and Aracheological Sites 2012 CY - Rome, Italy DA - 2012-07-19 PY - 2012 AN - OPUS4-27665 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Miccoli, Lorenzo ED - Carughi, U. T1 - Cina KW - Erhaltung des kulturellen Erbes KW - Historische Gebäude PY - 2013 SN - 978-88-422-2196-8 SP - 382 EP - 385 AN - OPUS4-27698 LA - ita AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Müller, U. A1 - Malaga, Katarina T1 - A new grouting material for the repair of cracks in earthen structures T2 - XIth International Conference on the Study and Conservation of Earthen Architectural Heritage (Terra 2012) CY - Lima, Peru DA - 2012-04-22 PY - 2012 AN - OPUS4-25932 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Müller, U. A1 - Perrone, Ch. A1 - Ziegert, C. T1 - Earth Block masonry, rammed earth and cob: earthen components from different construction techniques and their structural performance T2 - XIth International Conference on the Study and Conservation of Earthen Architectural Heritage (Terra 2012) CY - Lima, Peru DA - 2012-04-22 PY - 2012 AN - OPUS4-25934 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Pospísil, S. A1 - Müller, U. A1 - Hracov, S. T1 - Verhalten von Lehmstein- und Stampflehmwänden unter dynamischer Belastung und Effizienz von Bewehrungsmaßnahmen T2 - Lehm 2012 - 6. Internationale Fachtagung für Lehmbau CY - Weimar, Germany DA - 2012-10-05 KW - Earth blocks KW - Rammed earth KW - Static loads KW - Dynamic loads KW - Cyclic tests PY - 2012 SN - 978-3-00-039649-6 IS - Session C SP - 122 EP - 133 AN - OPUS4-26935 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Müller, U. A1 - Miccoli, Lorenzo A1 - Perrone, C. A1 - Ziegert, C. T1 - Vergleich und Modellierung der mechanischen Eigenschaften von Bauteilen aus Lehmsteinmauerwerk, Wellerlehm und Stampflehm T2 - Lehm 2012 - 6. Internationale Fachtagung für Lehmbau CY - Weimar, Germany DA - 2012-10-05 KW - Stampflehm KW - Lehmstein KW - Mauerwerk KW - Wellerlehm KW - Mechanische Eigenschaften PY - 2012 SN - 978-3-00-039649-6 IS - Session C SP - 320 EP - 331 AN - OPUS4-26936 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Müller, U. T1 - Structural characterization of earthen materials. A comparision between earth block masonry, rammed earth and cob T2 - 8th International Conference SAHC 2012 CY - Wroclaw, Poland DA - 2012-10-15 PY - 2012 AN - OPUS4-26956 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Pospíšil, A1 - Müller, U. A1 - Hracov, T1 - Performance of earth block and rammed earth masonry under cyclic loading and reinforcement effectivity T2 - 6th International Conference on Building with Earth LEHM 2012 CY - Weimar, Germany DA - 2012-10-05 PY - 2012 AN - OPUS4-26957 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Silva, B. A1 - Da Porta, F. A1 - Hracov, A1 - Pospíšil, A1 - Adami, C.-E. A1 - Vintzileou, E. A1 - Vasconcelos, G. A1 - Poletti, E. T1 - Overview of different strengthening techniques applied on walls used in historical structure T2 - 8th International Conference SAHC 2012 CY - Wroclaw, Poland DA - 2012-10-15 PY - 2012 AN - OPUS4-26958 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Müller, U. A1 - Perrone, Ch. A1 - Ziegert, C. T1 - Vergleich und Modellierung der mechanischen Eigenschaften von Bauteilen aus Lehmsteinmauerwerk, Wellerlehm und Stampflehm T2 - 6th International Conference on Building with Earth LEHM 2012 CY - Weimar, Germany DA - 2012-10-05 PY - 2012 AN - OPUS4-26959 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Ferraioli, M A1 - Abruzzese, D. A1 - Di Lauro, G. T1 - Torsional seismic response of an asymmetric-plan hospital building T2 - XIV Conference of Seismic Engineering ANIDIS 2011 CY - Bari, Italy DA - 2011-09-18 PY - 2011 AN - OPUS4-27008 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Vintzileou, E. A1 - Valluzzi, M. R. A1 - Mazzon, N. A1 - Pospíšil, T1 - Systemic improvement of overall seismic response T2 - 8th International Conference SAHC 2012 CY - Wroclaw, Poland DA - 2012-10-15 PY - 2012 AN - OPUS4-27009 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Paganoni, S. A1 - D'Ayala, D. A1 - Hracov, A1 - Urushadze, S. A1 - Wünsche, M. A1 - Adami, C.-E. A1 - Vintzileou, E. A1 - Moreira, S. T1 - Connections and dissipative systems with early warning T2 - 8th International Conference SAHC 2012 (Structural Analysis of Historical Constructions) CY - Wroclaw, Poland DA - 2012-10-15 PY - 2012 AN - OPUS4-27010 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo T1 - Characterization and qualification of intervention techniques: vertical elements T2 - Workshop on seismic risk preparedness plans for the conservation and exploitation of archeological sites and historic centres CY - Padua-Verona, Italy DA - 2012-11-27 PY - 2012 AN - OPUS4-27255 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Vintzileou, E. A1 - Valluzzi, M.R. A1 - Mazzon, N. A1 - Posipsil, S. A1 - Miccoli, Lorenzo ED - Jasienko, J. T1 - Systemic improvement of overall seismic response T2 - SAHC 2012 - 8th International conference on structural analysis of historical constructions CY - Wroclaw, Poland DA - 2012-10-15 KW - Historic structures KW - Shaking table tests KW - Subassemblies KW - Scaled models PY - 2012 SN - 978-83-7125-216-7 SN - 0860-2395 VL - 3 SP - 2897 EP - 2905 PB - DWE CY - Wroclaw, Poland AN - OPUS4-27274 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Müller, U. A1 - Silva, B. A1 - Da Porto, F. A1 - Hracov, S. A1 - Pospisil, S. A1 - Adami, C.-E. A1 - Vintzileou, E. A1 - Vasconcelos, G. A1 - Poletti, E. ED - Jasienko, J. T1 - Overview of different strengthening techniques applied on walls used in historical structures T2 - SAHC 2012 - 8th International conference on structural analysis of historical constructions CY - Wroclaw, Poland DA - 2012-10-15 KW - Stone masonry KW - Brick masonry KW - Earthen materials KW - Half timbered walls KW - Grouting PY - 2012 SN - 978-83-7125-216-7 SN - 0860-2395 VL - 3 SP - 2870 EP - 2878 PB - DWE CY - Wroclaw, Poland AN - OPUS4-27275 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Paganoni, S. A1 - D'Ayala, D. A1 - Miccoli, Lorenzo A1 - Hracov, S. A1 - Urushadze, S. A1 - Wünsche, M. A1 - Adami, C.-E. A1 - Vintzileou, E. A1 - Moreira, S. A1 - Oliveira, D.V. A1 - James, P. A1 - Cóias e Silva, V. ED - Jasienko, J. T1 - Connections and dissipative systems with early warning T2 - SAHC 2012 - 8th International conference on structural analysis of historical constructions CY - Wroclaw, Poland DA - 2012-10-15 KW - Seismic strengthening KW - Structural connections KW - Heritage buildings PY - 2012 SN - 978-83-7125-216-7 SN - 0860-2395 VL - 3 SP - 2888 EP - 2896 PB - DWE CY - Wroclaw, Poland AN - OPUS4-27276 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Müller, U. ED - Jasienko, J. T1 - Characterisation of earthen elements. A comparison between earth block masonry, rammed earth and cob T2 - SAHC 2012 - 8th International conference on structural analysis of historical constructions CY - Wroclaw, Poland DA - 2012-10-15 KW - Earthen materials KW - Compression test KW - Diagonal compression test KW - Initial shear strength test PY - 2012 SN - 978-83-7125-216-7 SN - 0860-2395 VL - 1 SP - 841 EP - 849 PB - DWE CY - Wroclaw, Poland AN - OPUS4-27277 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CHAP A1 - Silveira, D. A1 - Oliveira, C. A1 - Varum, H. A1 - Ioannou, I. A1 - Miccoli, Lorenzo A1 - Tarque, N. A1 - Parisi, F. A1 - Fenu, L. A1 - Solis, M. A1 - Rodriguez-Mariscal, J. D. ED - Varum, H. ED - Parisi, F. ED - Tarque, N. ED - Silveira, D. T1 - Mechanical Characterization of Adobe Bricks N2 - The mechanical characterization of adobe bricks is an important first step in the study of the behaviour of adobe masonry. For this reason, in the last decades, different authors have conducted research on the mechanical behaviour of adobes from various regions of the world. Despite the importance of mechanical characterization, there are still only a few standards and normative documents with clear indications for the mechanical testing of earthen materials and, in general, These indications are not thorough and vary among different countries. Consequently, authors tend to adopt different types of test specimens and procedures in their experimental work, thus obtaining results that are not directly comparable. The fact that the materials and procedures traditionally used are also not standardized,varying greatly from region to region, also contributes to the difficulty of comparing results from different studies. This chapter presents a review of the indications provided by codes, standards and other technical recommendations for the mechanical testing of adobe bricks, as well as a detailed review of procedures adopted, and results obtained by different authors regarding the mechanical characterization of traditional adobe bricks. This chapter focuses, in particular, on the behaviour of adobe bricks when subjected to simple compression. It provides an overview of the existing knowledge and identifies needs for future research and development. KW - Adobe KW - Adobe masonry KW - Mechanical behaviour KW - Test procedures KW - Standards PY - 2021 SN - 978-3-030-74736-7 U6 - https://doi.org/10.1007/978-3-030-74737-4 SN - 2194-9832 VL - 20 SP - 35 EP - 54 PB - Springer Nature Switzerland AG AN - OPUS4-54170 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CHAP A1 - Oliveira, C. A1 - Silveira, D. A1 - Varum, H. A1 - Parisi, F. A1 - Miccoli, Lorenzo A1 - Solis, M. A1 - Rodriguez-Mariscal, J. D. A1 - Tarque, N. ED - Varum, H. ED - Parisi, F. ED - Tarque, N. ED - Silveira, D. T1 - Mechanical Characterization of Adobe Masonry N2 - The characterization of the mechanical properties and behaviour of adobe masonry is fundamental for the understanding of the structural behaviour of adobe constructions. Thus, in the last decades, experimental studies focused on this topic have been carried out by different authors. Many of the existing experimental works, however, were carried out aiming to support broader studies focused on the seismic behaviour of adobe constructions and are not very detailed. Moreover, authors tend to adopt different procedures in their experimental work, since there are few indications in existing standards for testing adobe masonry. The wide variety in materials used, both for the adobes and mortars, further complicates this work, making it difficult to compare results obtained in different studies. This chapter provides an overview of the indications given by standards and other technical recommendations for the mechanical testing of adobe masonry. It presents a review of existing research on the mechanical behaviour of adobe masonry, addressing studies that focus on: (i) compression behaviour, (ii) shear behaviour, (iii) joint shear behaviour. It provides a global analysis of the existing knowledge, suggesting improvements for normative documents and identifying future Research needs. KW - Adobe masonry KW - Mechanical behaviour KW - Experimental tests KW - Standards PY - 2021 SN - 978-3-030-74736-7 U6 - https://doi.org/10.1007/978-3-030-74737-4_4 SN - 2194-9832 VL - 20 SP - 55 EP - 92 PB - Springer Nature Switzerland AG AN - OPUS4-54171 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Fontana, Patrick A1 - Ziegert, C. A1 - Müller, P. ED - Modena, C. ED - da Porto, F. ED - Valluzzi, M. R. T1 - Calibration of partial safety factors for earth block masonry under compression loading N2 - The goal of the present study is to assess the feasibility to develop a first reliable database of materials parameters for Earth Block Masonry (EBM). The database is crucial when defining the materials safety factors. In the first part an experimental campaign of compressive tests were carried out on two types of earth block and two types of earth mortar. The results showed that the mean variation of the compressive strength was remarkably less than expected. This low variation is related to a production with high quality standards of the materials employed. In the second part a partial safety factor for EBM under uniaxial compression was determined through the reliability method. The results proved the reliability of a common calculation method for EBM based on partial safety factors following the current standards. T2 - IB2MAC 2016 - 16th International Brick and Block Masonry Conference CY - Padua, Italy DA - 26.06.2016 KW - earth block masonry KW - partial safety factors KW - uniaxial compression test PY - 2016 SN - 978-1-138-02999-6 SP - 857 EP - 864 PB - CRC Press Taylor & Francis Group CY - London, UK AN - OPUS4-37145 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Ferraioli, M. A1 - Abruzzese, D. A1 - Miccoli, Lorenzo A1 - Mandara, A. ED - Galea, P. ED - Borg, R. P. ED - Farrugia, D. ED - Agius, M. R. ED - D'Amico, S. ED - Torpiano, A. ED - Bonello, M. T1 - Dynamic identification and seismic safety of two masonry towers N2 - The recent experience of Italian seismic events provided wide observational information about typical behaviour, damage patterns and intrinsic vulnerability of monumental buildings. Evidence indicates that historical constructions are by far the most vulnerable from the seismic point of view. As a consequence, they demand for the definition of urgent strategies for the protection of cultural heritage from seismic hazard. The main goal of an in-depth knowledge of the structure should help to avoid inadequate, unsuitable or dangerous rehabilitation operations, as well as to select non-invasive and reversible techniques for the best exploitation of material and technology features. The definition of reliable models and methods for seismic risk assessment of historical constructions is today a very important topic. Typical problems of masonry structures concern aspects like inherent structural lacks, material degradation, geotechnical problems, buckling behaviour of slender elements and dynamic loading vulnerability. Modelling the mechanical behaviour of masonry may play an important role, due to both inherent material complexity and great scatter in mechanical properties. Effective procedures for the identification of the structural parameters from static and dynamic testing are thus required. In particular, dynamic measurements may be very useful for the identification of mechanical properties and soil restraints and, consequently, for the calibration of advanced numerical finite element models. The paper addresses two case studies of structural monitoring and seismic assessment of medieval masonry towers in Italy: the bell tower of Aversa and the bell tower of Capua. These monuments, placed in the Campania region, were monitored by means of full-scale environmental vibration testing. Measured responses are then used for modal identification with a typical finite element model updating technique based on vibration test results. Parameters optimization is carried out on the basis of a criterion which minimises a weighted error on modal properties. A satisfactory improvement in the determination of modal parameters is thus obtained, resulting in a close agreement between the modal properties observed in dynamic tests and those calculated from numerical model. Seismic assessment is finally performed based on nonlinear static analysis of the tower under multimodal distributions of lateral loads. Results from nonlinear analysis indicate the potential collapse mechanisms and evidence dangerous structural weakness which may play a role in the seismic vulnerability of the towers. T2 - Georisk in the Mediterrean and their mitigation CY - Valletta, Malta DA - 20.07.2015 KW - masonry towers KW - ambient vibration tests KW - dynamic characterisation KW - seismic assessment PY - 2016 SN - 978-88-98161-20-1 SP - 250 EP - 251 PB - Mistral Service AN - OPUS4-37204 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Fontana, Patrick A1 - Silva, N. A1 - Kocadag, R. A1 - Cederqvist, Ch. A1 - Krefft, O. A1 - Qvaesching, D. T1 - UHPC-AAC/CLC composite panels with self-cleaning properties. Materials and production technology N2 - The aim of this study is to show the development of a façade composite panel combining either an autoclaved aerated concrete or a cellular lightweight concrete insulation layer with a box-type external ultra-high performance concrete (UHPC) supporting layer. The paper presents the materials characteristics of the different components and the production technology of the panel. The efficiency of surface modifications of the materials forming the external shell of the panel is reported. The activation of self-cleaning properties is described. The test results showed that the most efficient way to use the water-repellent agent is its application on the substrate before the concrete cast. Concerning the production technology, the preliminary studies showed more advantages of a twostep manufacturing procedure of the UHPC boxes than a one-step procedure. T2 - Smart Facades Materials Conference CY - Wels, Austria DA - 24.02.2016 KW - facade composite panels KW - ultra-high performance concrete (UHPC) KW - autoclaved aerated concrete (AAC) KW - cellular lightweight concrete (CLC) KW - self-cleaning properties PY - 2016 SP - 1 EP - 14 PB - OÖ Energiesparverband CY - Wels, Austria AN - OPUS4-37185 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Ferraioli, M. A1 - Miccoli, Lorenzo A1 - Abruzzese, D. A1 - Mandara, A. T1 - Dynamic characterisation and seismic assessment of medieval masonry towers N2 - The paper investigates the dynamic characterisation, the numerical model tuning and the seismic risk assessment of two monumental masonry towers located in Italy: the Capua Cathedral bell tower and the Aversa Cathedral bell tower. Full-scale ambient vibration tests under environmental loads are performed. The modal identification is carried out using techniques of modal extraction in the frequency domain. The refined 3D finite element model (FEM) is calibrated using the in situ investigation survey. The FEM tuning is carried out by varying the mechanical parameters and accounting for the restraint offered by the neighbouring buildings and the role of soil–structure interaction. The assessment of the seismic performance of the bell towers is carried out through a nonlinear static procedure based on the multi-modal pushover analysis and the capacity spectrum method. Through the discussion of the case studies, the paper shows that the modal identification is a reliable technique that can be used in situ for assessing the dynamic behaviour of monumental buildings. By utilising the tuned FEM of the towers, the theoretical fundamental frequencies are determined, which coincide with the previously determined experimental frequencies. The results from seismic performance assessment through a pushover analysis confirm that the masonry towers in this study are particularly vulnerable to strong damage even when subjected to seismic events of moderate intensity. KW - masonry towers KW - ambient vibration tests KW - dynamic characterisation KW - seismic assessment PY - 2016 U6 - https://doi.org/10.1007/s11069-016-2519-2 SN - 1573-0840 SN - 0921-030X VL - 86 SP - Suppl. 2, S489 EP - S515 PB - Springer AN - OPUS4-37187 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Miccoli, Lorenzo A1 - Drougkas, T. A1 - Müller, U. T1 - In-plane behaviour of rammed earth under cyclic loading: experimental testing and finite element modelling N2 - The purpose of this paper is to numerically simulate the in-plane behaviour of rammed earth walls under cyclic shear-compression tests. The experimental testing allowed obtaining the maximum horizontal loads, the displacement capacity and the level of non-linear behaviour of the respective loaddisplacement relationships as well as the failure modes. The calibration of the numerical model (finite element method) was carried out based on the experimental results. Within this framework, a micromodelling approach was considered. The behaviour of the rammed earth material was simulated using a total strain rotating crack model. A Mohr-Coulomb failure criterion was used to reproduce the behaviour of the interfaces between the layers. Although the numerical results achieved a satisfactory agreement with the experimental results a sensitivity analysis of the parameters involved was performed. The sensitivity analysis aimed at determining which parameters of the model have a significant impact in the model’s results. As expected the sensitivity analysis pointed out that the sliding failure occurrence is mainly influenced by two parameters of the interface elements: the interface tensile strength fit and the friction angle u. Moreover the cohesion c and the layers thickness showed a limited effect on the shear behaviour. It should be noted that the results mentioned above are related to the cases where a significant level of vertical compressive stress r is employed. KW - rammed earth KW - in-plane loads KW - shear behaviour KW - cyclic shear-compression tests KW - finite element modelling KW - pseudo-dynamic tests PY - 2016 U6 - https://doi.org/10.1016/j.engstruct.2016.07.010 SN - 0141-0296 SN - 1873-7323 VL - 125 SP - 144 EP - 152 PB - Elsevier Ltd. AN - OPUS4-37165 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CHAP A1 - Miccoli, Lorenzo A1 - Fontana, Patrick A1 - Gardei, André A1 - Ziegert, C. A1 - Perrone, Ch. A1 - Kaiser, C. A1 - Gerrard, Ch. ED - Feiglstorfer, H. T1 - Analysis and diagnosis of earthen buildings: the case of Ambel preceptory in Aragon, Spain N2 - This study presents diagnostic techniques to assess the structural vulnerability of earthen buildings. Medieval structures at Ambel (near Zaragoza, Spain), once a preceptory or monastic house belonging to the Military Orders, provide a useful case study. After more than a thousand years of construction, failure and repair from the 10th century to the present day, Ambel preceptory today is characterised by marked inhomogeneities: construction materials and structural typologies are juxtaposed, with structural discontinuities at the interfaces between construction phases. This paper argues that, while static analysis is an essential prerequisite before a suitable maintenance program can be defined, no evaluation of the structural behaviour of any historic building can ignore an understanding of the building’s history. KW - historical earthen building KW - rammed earth KW - material characterisation KW - static monitoring PY - 2016 SN - 978-3-900265-34-2 VL - 1 SP - 201 EP - 229 PB - IVA-Verlag CY - Vienna, Austria AN - OPUS4-37076 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Müller, U. A1 - Miccoli, Lorenzo A1 - Fontana, Patrick T1 - Development of a lime based grout for crack repair in earthen constructions N2 - The study presents the results from the development of a grouting material based on hydrated lime with addition of pozzolana, which is referred to as hydraulic lime, suitable for the repair of cracks in a variety of earthen building techniques. The goal was to develop a material also compatible with earthen structures exposed to dynamic loads. The grouting mortar was designed to be adaptable in strength properties and at the same time to have sufficient robustness for preparation and use on the construction site. Results showed a satisfactory performance of the grout concerning fresh and hardened mortar properties as well as injectability. KW - Earthen construction KW - Lime based grout KW - Cracks grouting KW - Rheology KW - Strength KW - Adhesion PY - 2016 U6 - https://doi.org/10.1016/j.conbuildmat.2016.02.030 SN - 0950-0618 VL - 110 SP - 323 EP - 332 PB - Elsevier AN - OPUS4-37064 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Fontana, Patrick A1 - Silva, N. A1 - Kocadag, R. A1 - Cederqvist, Ch. A1 - Kreft, O. A1 - Qvaesching, D. T1 - UHPC-AAC/CLC composite panels with self-cleaning properties. Materials and production technology N2 - The aim of this study is to show the development of a façade composite panel combining either an autoclaved aerated concrete or a cellular lightweight concrete insulation layer with a box-type external ultra-high performance concrete (UHPC) supporting layer. The paper presents the materials characteristics of the different components and the production technology of the panel. The efficiency of surface modifications of the materials forming the external shell of the panel is reported. The activation of self-cleaning properties is described. The test results showed that the most efficient way to use the water-repellent agent is its application on the substrate before the concrete cast. Concerning the production technology, the preliminary studies showed more advantages of a two-step manufacturing procedure of the UHPC boxes than a one-step procedure. T2 - Smart Facade Materials Conference CY - Wels, Austria DA - 24.02.2016 KW - Facade composite panels KW - Ultra-high performance concrete (UHPC) KW - Autoclaved aerated concrete (AAC) KW - Cellular lightweight concrete (CLC) KW - Slef-cleaning properties PY - 2016 AN - OPUS4-37066 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Fontana, Patrick A1 - Ziegert, C. A1 - Müller, P. T1 - Calibration of partial safety factors for earth block masonry under compression loading N2 - The goal of the present study is to assess the feasibility to develop a first reliable database of materials parameters for Earth Block Masonry (EBM). The database is crucial when defining the materials safety factors. In the first part an experimental campaign of compressive tests were carried out on two types of earth block and two types of earth mortar. The results showed that the mean variation of the compressive strength was remarkably less than expected. This low variation is related to a production with high quality standards of the materials employed. In the second part a partial safety factor for EBM under uniaxial compression was determined through the reliability method. The results proved the reliability of a common calculation method for EBM based on partial safety factors following the current standards. T2 - IB2MAC 2016 - 16th International Brick and Block Masonry Conference CY - Padua, Italy DA - 26.06.2016 KW - Earth block masonry KW - Partial safety factors KW - Uniaxial compression test PY - 2016 AN - OPUS4-37067 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Müller, Urs A1 - Perrone, C. A1 - Ziegert, C. T1 - Earth block masonry, rammed earth and cob: earthen components from different construction techniques and their structural performance N2 - Both in developed and developing countries, modern building materials tend to be preferred to traditional earthen construction. Reasons include low durability, inadequate performance under seismic loading and, in developing countries, a wish to replace what is perceived as 'poor' with what is perceived as 'rich'. In an age when building permissions and construction standards are a must, particularly in seismic areas, even when an owner is willing to build in earth, construction approval needs to be granted: we rely on values and standards to build, but the necessary data on material properties and structural performance of earthen building techniques is scarce if compared to the abundance of data for other materials (clay brick masonry, concrete, steel) available to the engineer. At the same time, traditional builders' skills, knowledge and confidence in earthen building techniques are decreasing if not disappearing. A wallette testing campaign was thus carried out with the aim of filling this knowledge gap. Prior to the wallette campaign, material properties, including composition and physical-mechanical parameters, were determined. Compression and diagonal compression (shear) tests were then performed, and a basic analysis of the mechanical behaviour of structural elements built in cob is provided in relation to earth block (adobe) masonry and rammed earth elements. Cob, shown to have low compressive resistance, has a relatively ductile post-peak behaviour if compared to earth block masonry specimens which, as expected, show a marked brittle behaviour. In terms of shear strength, cob performs relatively well in view of its low compressive strength. The study is part of our work within the framework of the ongoing project NIKER funded by the European Commission dealing with improving the structural performance of Cultural Heritage assets in order to limit earthquake hazards. T2 - Terra 2012 - 11th International conference on the study and conservation of earthen architecture heritage CY - Lima, Peru DA - 2012-04-22 KW - Earth block KW - Rammed earth KW - Cob KW - Mechanical properties KW - Earthen architecture KW - Earth block masonry PY - 2012 SN - 978-9972-2885-5-5 IS - Theme 6 - t6_066 SP - 1 EP - 10 AN - OPUS4-30380 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Müller, Urs A1 - Miccoli, Lorenzo A1 - Malaga, K. T1 - A new grouting material for the repair of cracks in earthen structures N2 - Traditional earthen structures of cultural value are often damaged by static or dynamic loads. This is usually manifested by the appearance of cracks. All too often these cracks are insufficiently or inappropriately repaired if at all because of lack of knowledge and/or technology. In particular, the behavior of crack repair by grouting poses a challenge in earthen materials and demands specific requirements for the grouting mortar, such as low water content, good water retention, low shrinkage, etc. If dynamic loads, e.g. induced by earthquakes, are expected, the grouting material requires additional specifications such as a compatible strength and modulus of elasticity as well as good adhesion to the earthen materials. The study presents results from the development of a grouting material based on hydraulic lime mortar suitable for the repair of cracks in a variety of earthen building techniques. The goal was to develop a material also compatible with earthen structures exposed to dynamic load. The grouting mortar was designed to be adaptable in strength properties and at the same time to have sufficient robustness for the use on the construction site. First results show a satisfactory performance of the grout concerning fresh and hardened mortar properties as well as injectability. The study is part of our work in the framework of the ongoing project NIKER, funded by the European Commission dealing with improving imovable Cultural Heritage assets against the risk of earthquakes. T2 - Terra 2012 - 11th International conference on the study and conservation of earthen architecture heritage CY - Lima, Peru DA - 2012-04-22 KW - Cracks KW - Grouting KW - Lime mortar KW - Earthen Structures KW - Cracks repair PY - 2012 SN - 978-9972-2885-5-5 IS - Theme 6 - t6_059 SP - 1 EP - 10 AN - OPUS4-30381 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Miccoli, Lorenzo A1 - Oliveira, D.V. A1 - Silva, R.A. A1 - Müller, U. A1 - Schueremans, L. T1 - Static behaviour of rammed earth: experimental testing and finite element modelling N2 - The paper presents an experimental program aiming at assessing the mechanical performance of rammed earth walls, namely under compression and shear loading. Axial compression and diagonal compression tests were carried out for this purpose, which allowed determining important mechanical parameters, such as compressive strength, Young's modulus, Poisson's ratio, shear strength and shear modulus. Furthermore, it allowed assessing the level of non-linear behaviour of the respective stress–strain relationships as well as the failure modes. The experimental results were then used in the calibration of numerical models (finite element method) for simulating the non-linear behaviour of rammed earth under shear loading. Both macro- and micro modelling approaches were considered for this purpose. The total strain rotating crack model was used to simulate the behaviour of the rammed earth material, while the Mohr–Coulomb failure criterion was used to simulate the behaviour of interfaces between layers. In general, the numerical models achieved good agreement with the experimental results, but uncertainties related to the definition of the input parameters required to perform a sensitivity analysis. The compressive strength, the Poisson's ratio, the tensile strength and the tensile fracture energy revealed to be the most important parameters in the analyses. KW - Rammed earth KW - Compression behaviour KW - Shear behaviour KW - Finite element analysis PY - 2015 UR - http://link.springer.com/article/10.1617/s11527-014-0411-7/fulltext.html U6 - https://doi.org/10.1617/s11527-014-0411-7 SN - 1359-5997 SN - 1871-6873 VL - 48 IS - 10 SP - 3443 EP - 3456 PB - Springer CY - Dordrecht AN - OPUS4-31329 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Miccoli, Lorenzo A1 - Müller, U. A1 - Fontana, Patrick T1 - Mechanical behaviour of earthen materials: A comparison between earth block masonry, rammed earth and cob N2 - Earth represents one of the oldest construction materials, which is still utilised both in developed and in developing countries. In this paper a comparison of the mechanical performance of structural elements built in three basic techniques, earth block (adobe) masonry, rammed earth and cob, is presented. In order to gain better knowledge on the structural behaviour under static loads an extensive compression and diagonal compression (shear) test campaign was performed. First compression results showed brittle mechanical behaviour in the case of earth block masonry and rammed earth elements, whereas cob exhibited a very different stress–strain pattern: cob can deform beyond the elastic range with a gradual drop in capacity. Despite its low compressive strength, cob thus presents a relatively good performance within the earthen material range as far as shear behaviour is concerned. The data here reported represents a base for a further investigation on the dynamic behaviour of the three materials considered. The study was carried out within the framework of the project NIKER funded by the European Commission dealing with improving immovable Cultural Heritage assets against the risk of earthquakes. KW - Earthen materials KW - Compression test KW - Diagonal compression test KW - Initial shear strength PY - 2014 U6 - https://doi.org/10.1016/j.conbuildmat.2014.03.009 SN - 0950-0618 VL - 61 SP - 327 EP - 339 PB - Elsevier Science CY - Amsterdam AN - OPUS4-30550 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo T1 - EeB Cluster, Technologies and materials for a healthier indoor environment T2 - ECTP Construction and Built Environment: Future Horizons CY - Brussels, Belgium DA - 2014-06-17 PY - 2014 AN - OPUS4-30954 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Fontana, Patrick T1 - Bond strength performances of anchor pins for earthen buildings. A comparison between earth block masonry, rammed earth and cob. T2 - 9th Int. Conf. on Structural Analysis of Historical Constructions CY - Mexico City, Mexico DA - 2014-10-14 PY - 2014 AN - OPUS4-31703 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo T1 - H-House/Healthier life with eco-innovative components for housing constructions T2 - ECTP Construction and Built Environment: Future Horizons CY - Brussels, Belgium DA - 2014-06-17 PY - 2014 AN - OPUS4-31103 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo T1 - Static behaviour of earth block masonry: experimental testing and finite element modelling T2 - 9th International Masony Conference CY - Cuimares, Portugal DA - 2014-07-07 PY - 2014 AN - OPUS4-31104 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Fontana, Patrick T1 - Bond strength of anchor pins for earth block masonry T2 - 9th International Mansonry Conference CY - Guimarães, Portugal DA - 2014-07-07 PY - 2014 AN - OPUS4-31105 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Miccoli, Lorenzo A1 - Fontana, Patrick A1 - Johansson, G. A1 - Zandi, K. A1 - Portal, Natalie Williams A1 - Müller, U. T1 - Numerical modelling of UHPC and TRC sandwich elements for building envelopes N2 - ln this paper a modelling approach is presented to reproduce the mechanical behaviour of sandwich panels via finite element analysis. Two types of panels were investigated in this scope of work. The first sandwich element was a textile reinforced concrete (TRC) panel with cellular lightweight concrete insulation and the second configuration was an ultra-high performances concrete (UHPC) panel with aerated autoclaved concrete insulation. The goal was to obtain a reliable numerical strategy that represents a reasonable compromise in terms of sufficient accuracy of the element characteristics and the computational costs. The results show the possibility of describing the composite action in a full sandwich panel. The achieved modelling approach will later be used for the optimization of TRC and UHPC panels in terms of minimizing the thickness, identifying the number and location of connectors, as well as evaluating varying anchorage Systems. T2 - IABSE conference - Structural engineering: Providing solutions to global challenges CY - Geneva, Switzerland DA - 23.09.2015 KW - Sandwich elements KW - Ultra-high performance concrete (UHPC) KW - Textile reinforced concrete (TRC) KW - Autoclaved aerated concrete (AAC) KW - Cellular lightweight concrete (CLC) KW - Finite element analysis (FEA) PY - 2015 SN - 978-3-85748-140-6 SP - 195 EP - 203 AN - OPUS4-34552 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Miccoli, Lorenzo A1 - Garofano, A. A1 - Fontana, Patrick A1 - Müller, U. T1 - Experimental testing and finite element modelling of earth block masonry N2 - The current paper focuses on the determination of reliable numerical models of earth block masonry wallettes under different loading conditions. Uniaxial compression and diagonal compression tests were performed. Experimental behaviour was modelled with a non-linear model able to describe the cracking behaviour. The simplified approach based on macro-modelling shows a satisfactory accuracy and low computational costs. The results reproducing the uniaxial compression are in good correspondence with the post-elastic behaviour observed in the experimental campaign. The micro-modelling approach adopted to reproduce the shear behaviour, even with high computational cost, represents a suitable tool to predict the masonry collapse mechanism. KW - Earth block masonry KW - Uniaxial compression test KW - Diagonal compression test KW - Numerical modelling KW - Macro-modelling approach KW - Micro-modelling approach PY - 2015 U6 - https://doi.org/10.1016/j.engstruct.2015.09.020 SN - 0141-0296 VL - 104 SP - 80 EP - 94 PB - Elsevier CY - Oxford AN - OPUS4-34553 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -