TY - RPRT A1 - Recknagel, Christoph A1 - Spitzer, Stefan A1 - Hoppe, Johannes A1 - Wenzel, Norman A1 - Pirskawetz, Stephan T1 - Optimierung von Fugensystemen - Messtechnische Grundlagen zur Ermittlung realer Beanspruchungen in situ T2 - Berichte der Bundesanstalt für Straßenwesen N2 - Voraussetzung zur Aufklärung von Fugenbewegungen in hochbeanspruchten Verkehrsflächen aus Beton ist ein neues, innovatives und sensitives Sensorsystem, welches unter den Bedingungen der Autobahnpraxis schnell und sicher in entsprechend beanspruchte Bereiche installiert werden kann und in der Lage ist, stabile und hochaufgelöste Bewegungen in mehrere Raumrichtungen zu erfassen. Das durch die BAM neu entwickelte Sensorsystem ist geeignet, um direkt in die Betonfahrbahndecke integriert zu werden und sowohl über saisonale Messbereiche als auch in hoher Auflösung entsprechende Messwerte online zu erfassen und bereit zu stellen. Das für diesen Zweck entwickelte innovative Sensorsystem kann direkt in die Rollspur auf beiden Seiten der Fuge eingebaut werden und ist dafür ausgelegt, Lkw-Überfahrungen zu widerstehen. Es ist schnell und präzise genug, um die realen Bewegungen in allen drei Raumachsen in Echtzeit erfassen zu können. Dieser Forschungsbericht beschreibt das Funktions- und Wirkschema des Sensorsystems und seine Validierung im Labor- und Feldmaßstab. Dabei wird insbesondere auch die praxisgerechte Einbau- und Nutzungsmethodik vorgestellt. Auflösungsvermögen, Robustheit und Nutzerfreundlichkeit werden am Beispiel einer Konzeptstudie auf dem Testgelände DuraBASt erprobt. Es werden grundlegende Hinweise auf den dringlichen Bedarf einer gebrauchsgerechten Beschreibung des realen Verhaltens des Bauwerks Betonstraße identifiziert. Die mit dem Sensorsystem gewonnenen Daten können eine Grundlage für die Konzeption einer performance-basierten Bewertung von Fugenfüllsystemen in Betondecken von Bundesautobahnen bieten. Sie sind geeignet, die Funktionsmechanismen der verschiedenen Betonfahrbahnkonstruktionen besser zu verstehen und zielgerichtet konstruktive und materialtechnische Optimierungen und Fortentwicklungen von Fugenkonstruktionen und Fugenfüllsystemen in gebrauchsbezogener Weise zu entwickeln. Durch weitere Datenerhebung, -fusion und -analyse können Instandsetzungsintervalle und Lebensdauerzyklen besser abgeschätzt und geplant werden. KW - Betonfahrbahndecke KW - Fugen KW - Quantifizierung realer Verformungen PY - 2021 SN - 978-3-95606-590-3 SN - 0943-9323 VL - Straßenbau Heft S 153 SP - 1 EP - 173 PB - Fachverlag NW in der Carl Ed. Schünemann KG CY - Bremen AN - OPUS4-54174 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Recknagel, Christoph A1 - Spitzer, Stefan A1 - Hoppe, Johannes A1 - Wenzel, Norman A1 - Pirskawetz, Stephan T1 - Innovative Sensorik für Fugensysteme T2 - Forschung kompakt 17/21 der Bundesanstalt für Straßenwesen N2 - Die zielgerichtete Weiterentwicklung von Bauteilen und Konstruktionselementen im Straßenbau hochbeanspruchter Verkehrswege unserer Infrastruktur (Bundesfernstraßen) erfordert spezielle, bauteiladaptierte technische Möglichkeiten/Sensorik zur Quantifizierung des Gebrauchsverhaltens. Bei Fugen in Verkehrsflächen stellen insbesondere langsam und schnell ablaufende Plattendeformationen infolge jahreszeitlicher und verkehrlicher Beanspruchungen maßgebende Beanspruchungszustände dar. Eine Quantifizierung dieser Einwirkungen hilft bei der Weiterentwicklung sowie auch bei der Bewertung optimierter technischer Lösungen. In Forschung kompakt 17/21 „Innovative Sensorik für Fugensysteme“ wird eine neuartige, robuste Lösung der BAM zur Datenerfassung und Bauwerksmonitoring von hochbeanspruchten Verkehrsflächen aus Beton vorgestellt. KW - Betonfahrbahndecke KW - Fugen KW - Quantifizierung realer Verformungen PY - 2021 VL - 17 SP - 1 EP - 2 PB - Eigenverlag der BASt CY - BASt, Bergisch Gladbach AN - OPUS4-54115 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Recknagel, Christoph A1 - Spitzer, Stefan A1 - Hoppe, Johannes A1 - Wenzel, Norman A1 - Pirskawetz, Stephan T1 - SENSO JOINT - An innovative sensor system for a sustainable joint design of concrete pavements T2 - Lecture Notes in Civil Engineering - Proceedings of the 9th International Conference on Maintenance and Rehabilitation of Pavements - Mairepav9 N2 - Inacceptable capability and durability of joint sealing systems but also inadequate traffic performance (noise emission; overrolling comfort) up to traffic safety aspects reflect the still enormous demand for data-based description of concrete pavements performance under heavy loading conditions. Especially the deformation behavior of concrete pavement slabs in the joint region in consideration of new pavement construction types and improved concrete mixtures meanwhile established but also under the steeply rising traffic loads is not sufficiently explored. To create a data basis for advanced design rules, evaluation methods and product standards - and with it to improve quality, durability and finally sustainability of pavements - an innovative 3-D sensor system SENSO JOINT adapted to german roadworking requirements and suitable for heavy-duty operating conditions was developed. The contribution introduced describes the development of an extensive technical solution based on the analysis of decisive loads, interactions and boundary conditions. Based on calibration data, results of laboratory testing and finally field-testing on different concrete pavement construction types the outcome of a multi-level evaluation process shall introduce the potential of the new sensor system. T2 - 9th International Conference on Maintenance and Rehabilitation of Pavements (Mairepav9) CY - Online meeting DA - 01.07.2020 KW - Concrete pavements KW - Sustainable joint sealing KW - Load quantification KW - Innovative measurement technology KW - Field validation KW - Performance design for joint systems PY - 2020 SN - 978-3-030-48678-5 SN - 978-3-030-48679-2 DO - https://doi.org/10.1007/978-3-030-48679-2 SN - 2366-2557 VL - 76 SP - 191 EP - 199 PB - Springer Nature Switzerland AG CY - Switzerland AN - OPUS4-51965 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Recknagel, Christoph A1 - Pirskawetz, Stephan A1 - Lüddecke, Falk ED - Imad L. Al-Qadi, ED - Tom Scarpas, ED - Loizos, Andreas T1 - Performance and service life prediction of crack preventative joint systems T2 - 6th RILEM International Conference on cracking in Pavements "Pavement Cracking - Mechanisms, Modeling, Detection, Testing and Case Histories", June 16-18, 2008, Chicago, USA (Proceedings) T2 - 6th RILEM International Conference on cracking in Pavements "Pavement Cracking - Mechanisms, Modeling, Detection, Testing and Case Histories" CY - Chicago, USA DA - 2008-06-16 KW - Joint sealing systems KW - Bituminous compounds KW - Climate KW - Service life KW - Concrete pavement PY - 2008 SN - 978-0-415-47575-4 SP - 779 EP - 790 PB - CRC Press AN - OPUS4-18281 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Recknagel, Christoph A1 - Pirskawetz, Stephan A1 - Huth, Christian T1 - Alterungsverhalten von Fugenfüllsystemen in Verkehrsflächen - Teilbericht zur Bearbeitungsphase 2: Stoff- und Systemuntersuchungen an heiß verarbeitbaren Fugenmassen KW - Fugen KW - Fahrbahnbeläge KW - Funktionsfähigkeit KW - Dauerhaftigkeit KW - Unikaler Prüfstand KW - Plastische Fugenvergussmassen KW - Performance-orientierte Stoff- und Systemkennzeichnung PY - 2005 SP - 1 EP - 148 CY - Berlin AN - OPUS4-11966 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Recknagel, Christoph A1 - Pirskawetz, Stephan T1 - Entwicklung eines Prüfverfahrens zum Alterungsverhalten von Fugenfüllsystemen in Verkehrsflächen (BASt-Projekt "Alterungsverhalten von Fugenfüllsystemen" FE 08.169/2001/FRB) KW - Fugen KW - Fahrbahnbeläge KW - Funktionsfähigkeit KW - Dauerhaftigkeit KW - Unikaler Prüfstand PY - 2005 SP - 1 EP - 95 PB - Bundesanstalt für Materialforschung und -prüfung CY - Berlin AN - OPUS4-11965 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Recknagel, Christoph A1 - Pirskawetz, Stephan T1 - Versuchseinrichtung zur Untersuchung des Alterungsverhaltens von Fugenfüllsystemen T2 - 5. Sitzung des Betreuungsausschusses "Alterungsverhalten von Fugenfüllungen in Verkehrsflächen" T2 - 5. Sitzung des Betreuungsausschusses "Alterungsverhalten von Fugenfüllungen in Verkehrsflächen" CY - Berlin, Germany DA - 2005-07-27 PY - 2005 AN - OPUS4-10476 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Recknagel, Christoph A1 - Pirskawetz, Stephan T1 - Joint sealing systems for pavements - A new approach towards a performance related evaluation of capability and durability JF - Journal of ASTM International N2 - Joint sealants influence decisively the performance and service life of pavements although they account for only a small fraction of the total investment. Motivated by the damages observed and the resulting, increasing maintenance efforts, the Federal German Government recognizes the need for performance-evaluated joint sealing systems with improved capability (fitness-for-purpose) and durability. A literature study showed that an identification of the actual mechanical system behavior under realistic loads as well as a prediction regarding the durability (fatigue, climatic effects) of joint sealing systems are either completely lacking in most of the relevant evaluation methods or have only been incompletely addressed previously. Furthermore an imbalance between commonly used test methodologies and the actual development status of modern modified sealing materials exists, i.e., the current test methods are not effective in evaluating the performance of tailor-made products. In this paper, the authors suggest a methodology to overcome the present situation. In contrast to the existing, predominantly empirical evaluation and selection of joint sealing materials and systems for pavements, the new approach is defined by verified performance under relevant and superimposed loads. This new approach is expected to allow a more engineered joint design. In addition to the adaptation of performance-oriented material identification tests, a special focus was placed on the development and installation of a complex test facility for the investigation of the service capability and durability of joint sealing systems in building constructions in general. This paper presents an attempt at the realization of this approach for pavement joints with the help of our new joint sealant test equipment utilizing a specific, adapted load function, which comprises cyclic movements (slow and fast acting), as well as crucial climatic exposures. The test data and its interpretation are discussed. For example, the actual mechanical behavior of the various joint sealing systems as well as the relevant maximum loading of cohesive and adhesive bonds can be deduced and used to differentiate between systems. Furthermore, information gained allows discrimination of products within the various joint sealing systems. The test results will also enable numerical simulations, e.g., of different joint designs or materials by finite element analysis. The fatigue behavior is detected by analysis of cycle-dependent changes of the mechanical system characteristics. The evaluation methodology further allows investigation of the degradation mechanisms of specific system failures and, thus, enables service life prediction by reproducing the performance of the complete system under realistic conditions. Constructional defects and material flaws can be activated and detected by the performance-related test methodology, thus identifying possible corrections to material selection and application procedures. The potential of the proposed evaluation methodology is discussed for several thermoplastic and reactive joint sealing systems. KW - Pavement joints KW - System evaluation KW - System test method KW - Superimposed loading KW - Performance KW - Mechanical characteristics KW - Capability evaluation KW - Durability evaluation KW - Cohesive failure KW - Adhesive failure PY - 2009 DO - https://doi.org/10.1520/JAI101961 SN - 1546-962X VL - 6 IS - 3 (Paper ID JAI101961) SP - 1 EP - 16 PB - American Society for Testing and Materials CY - West Conshohocken, Pa. AN - OPUS4-19356 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Recknagel, Christoph A1 - Pirskawetz, Stephan ED - Wolf, A. T. T1 - Joint sealing systems for pavements - A new approach towards a performance related evaluation of capability and durability T2 - Durability of building and construction sealants and adhesives N2 - Joint sealants influence decisively the performance and service life of pavements although they account for only a small fraction of the total investment. Motivated by the damages observed and the resulting, increasing maintenance efforts, the Federal German Government recognizes the need for performance-evaluated joint sealing systems with improved capability (fitness-for-purpose) and durability. A literature study showed that an identification of the actual mechanical system behavior under realistic loads as well as a prediction regarding the durability (fatigue, climatic effects) of joint sealing systems are either completely lacking in most of the relevant evaluation methods or have only been incompletely addressed previously. Furthermore an imbalance between commonly used test methodologies and the actual development status of modern modified sealing materials exists, i.e., the current test methods are not effective in evaluating the performance of tailor-made products. In this paper, the authors suggest a methodology to overcome the present situation. In contrast to the existing, predominantly empirical evaluation and selection of joint sealing materials and systems for pavements, the new approach is defined by verified performance under relevant and superimposed loads. This new approach is expected to allow a more engineered joint design. In addition to the adaptation of performance-oriented material identification tests, a special focus was placed on the development and installation of a complex test facility for the investigation of the service capability and durability of joint sealing systems in building constructions in general. This paper presents an attempt at the realization of this approach for pavement joints with the help of our new joint sealant test equipment utilizing a specific, adapted load function, which comprises cyclic movements (slow and fast acting), as well as crucial climatic exposures. The test data and its interpretation are discussed. For example, the actual mechanical behavior of the various joint sealing systems as well as the relevant maximum loading of cohesive and adhesive bonds can be deduced and used to differentiate between systems. Furthermore, information gained allows discrimination of products within the various joint sealing systems. The test results will also enable numerical simulations, e.g., of different joint designs or materials by finite element analysis. The fatigue behavior is detected by analysis of cycle-dependent changes of the mechanical system characteristics. The evaluation methodology further allows investigation of the degradation mechanisms of specific system failures and, thus, enables service life prediction by reproducing the performance of the complete system under realistic conditions. Constructional defects and material flaws can be activated and detected by the performance-related test methodology, thus identifying possible corrections to material selection and application procedures. The potential of the proposed evaluation methodology is discussed for several thermoplastic and reactive joint sealing systems. KW - Pavement joints KW - System evaluation KW - System test method KW - Superimposed loading KW - Performance KW - Mechanical characteristics KW - Capability evaluation KW - Durability evaluation KW - Cohesive failure KW - Adhesive failure PY - 2010 SN - 978-0-8031-3426-3 N1 - Serientitel: ASTM Selected Technical Papers – Series title: ASTM Selected Technical Papers VL - 3 IS - STP 1514 SP - 15 EP - 37 CY - West Conshohocken, PA, USA AN - OPUS4-21933 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -