TY - GEN A1 - Auersch, Lutz A1 - Rücker, Werner ED - Nielsen, J.C.O. T1 - Mitigation measures against vibration for ballasted tracks - Optimisation of sleepers, sleeper pads and the substructure by combined finite-element boundary-element calculations T2 - Noise and vibration mitigation for rail transportation systems - Notes on numerical fluid mechanics and multidisciplinary design N2 - The ground vibrations, which are generated by trains on different tracks, have been calculated by finite-element boundary-element models. The ballasted track is modelled in detail by the finite element method. The infinite soil is modelled by the boundary element method as a homogeneous or layered half-space. The track-soil system is coupled to a simple rigid mass model of the vehicle so that the vehicle-track interaction is completely included. Transfer functions are calculated in frequency domain without and with vehicle-track interaction, the compliance of the track and the mobilities of the soil at different distances from the track. Finally, the ratios between the ground vibration amplitudes with and without mitigation measures are calculated to quantify the effectiveness of the mitigation measures. Tracks with under-sleeper pads have been investigated in a wide parameter study for the RIVAS project. The main parameters that influence the reduction of ground vibration are the stiffness of the under-sleeper pad, the mass and the width of the sleeper. The softest sleeper pad yields the best reduction of the ground vibration. The influence of the sleeper mass is not so strong, as the characteristic frequency is ruled by the mass of the sleeper and the mass of the wheelset as well. PY - 2015 SN - 978-3-662-44832-8 DO - https://doi.org/10.1007/978-3-662-44832-8_48 VL - 126 SP - 401 EP - 408 PB - Springer CY - Berlin Heidelberg AN - OPUS4-32468 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Auersch, Lutz A1 - Said, Samir A1 - Knothe, Esther A1 - Rücker, Werner ED - Cunha, A. ED - Caetano, E. ED - Ribeiro, P. ED - Müller, G. T1 - The dynamic behavior of railway tracks with under sleeper pads, finite-element boundary-element model calculations, laboratory tests and field measurements T2 - EURODYN 2014 - 9th International conference on structural dynamics (Proceedings) N2 - A variety of isolation measures exists to reduce the vibration in the neighbourhood of railway lines. They can be roughly classified as elastic or stiffening systems. There are the following elastic elements, rail pads or resilient fixation systems between rail and sleeper, under sleeper pads or sleeper shoes under the sleepers, and ballast mats under the ballast. Stiffening systems (plates) are used as slab tracks, floating slab tracks, or mass-spring systems. In the EU project “Railway induced vibration abatement solutions (RIVAS)”, elastic under sleeper pads have been investigated. The dynamic behaviour of the track and the surrounding soil has been calculated by the combined finite-element boundary-element method in a systematic parameter study. It has been shown that the mitigation effect can be improved by soft under sleeper pads or by heavy sleepers. Consequently, such track elements (soft under sleeper pads and heavy sleepers) have been thoroughly investigated in laboratory tests to establish the static and dynamic parameters as well as their serviceability. Finally, field tests at and near railway tracks with and without under sleeper pads have been performed. To determine the reduction effect of the isolated track, the ground vibrations excited by trains or artificial sources have been measured. The soil properties at the different sites have also been measured so that the comparison of the isolated and un-isolated track can take into account possible differences of the soil parameters. The contribution shows how the different (numerical, laboratory and field) methods and results can be combined to achieve an improved mitigation solution with soft under sleeper pads and heavy sleepers for ballasted and slab tracks. T2 - EURODYN 2014 - 9th International conference on structural dynamics CY - Porto, Portugal DA - 30.06.2014 KW - Railway track KW - Track-soil interaction KW - Mitigation KW - Under sleeper pads KW - Laboratory tests KW - Field tests KW - Ground vibration PY - 2014 SN - 978-972-752-165-4 SN - 2311-9020 SP - 805 EP - 812 AN - OPUS4-31164 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Auersch, Lutz A1 - Rücker, Werner ED - Nielsen, J. T1 - Mitigation measures for ballasted tracks - optimisation of sleepers, sleeper pads and the substructure by combined finite-element boundary-element calculations T2 - IWRN11 - 11th International workshop on railway noise (Proceedings) T2 - IWRN11 - 11th International workshop on railway noise CY - Uddevalla, Sweden DA - 2013-09-09 PY - 2013 SP - 463 EP - 470 AN - OPUS4-29446 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Rücker, Werner A1 - Auersch, Lutz ED - Schulte-Werning, B. T1 - A user-friendly prediction tool for railway induced ground vibrations: Emission - transmission - immission T2 - Noise and vibration mitigation for rail transportation systems T2 - 9th International Workshop on Railway Noise CY - Munich, Germany DA - 2007-09-04 PY - 2008 SN - 3-540-74892-X N1 - Serientitel: Notes on numerical fluid mechanics and multidisciplinary design – Series title: Notes on numerical fluid mechanics and multidisciplinary design IS - 99 SP - 129 EP - 135 PB - Springer CY - Berlin AN - OPUS4-18326 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Rücker, Werner A1 - Auersch, Lutz T1 - A user-friendly prediction tool for railway induced ground vibrations: Emission - transmission - immission T2 - Proceedings of the 9th International Workshop on Railway Noise (IWRN) T2 - 9th IWRN - International Workshop on Railway Noise CY - Munich, Germany DA - 2007-09-04 PY - 2007 SP - S.4.2, 1 EP - 6 PB - International Workshop on Railway Noise CY - München AN - OPUS4-18592 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Auersch, Lutz A1 - Rücker, Werner ED - Klapperich, H. ED - Cazuffi, D. ED - Koerner, R. T1 - Dynamic loads of railway traffic T2 - Proceedings of the ECI International Conference on The Use of Geosynthetics in Soil Reinforcement and Dynamics T2 - ECI International Conference on The Use of Geosynthetics in Soil Reinforcement and Dynamics CY - Dresden, Germany DA - 2005-09-05 PY - 2005 SN - 3-7739-6003-4 SP - 433 EP - 443 PB - Verl. Glückauf CY - Essen AN - OPUS4-11547 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Rücker, Werner A1 - Auersch, Lutz A1 - Gerstberger, Ulf A1 - Meinhardt, Christian ED - Soize, C. ED - Schueller, G. T1 - A practical method for the prediction of railway vibration T2 - EURODYN 2005 - Structural dynamics - Proceedings of the 6th International Conference on Structural Dynamics T2 - IMO-WIND: An integrated monitoring system for offshore wind energy turbines CY - Paris, France DA - 2005-09-04 PY - 2005 SN - 90-5966-033-1 SP - 601 EP - 606 PB - Millpress CY - Rotterdam AN - OPUS4-11577 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Rücker, Werner A1 - Auersch, Lutz A1 - Baeßler, Matthias A1 - Knothe, K. A1 - Wu, Y. A1 - Gerstberger, Ulf A1 - Popp, K. A1 - Kruse, H. A1 - Savidis, S. ED - Popp, K. ED - Schiehlen, W. O. T1 - A comparative study of results from numerical track-subsoil calculations T2 - System dynamics and long-term behaviour of railway vehicles, track and subgrade T2 - Colloquium 2002 CY - Stuttgart, Germany DA - 2002-03-13 PY - 2003 SN - 3-540-43892-0 N1 - Serientitel: Lecture notes in applied mechanics – Series title: Lecture notes in applied mechanics IS - 6 SP - 471 EP - 488 PB - Springer CY - Berlin AN - OPUS4-2358 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Auersch, Lutz A1 - Semrau, Norbert A1 - Schmid, Wolfgang A1 - Said, Samir A1 - Rücker, Werner ED - Grundmann, H. ED - Schuëller, G. I. T1 - Theory and experiments on wave propagation, on track-soil and on soil-building interaction related to railway induced vibration T2 - EURODYN 2002 - Structural dynamics / Vol. 2 T2 - 5th International Conference on Structural Dynamics ; 4th International Conference on Structural Dynamics ; EURODYN 2002 CY - Munich, Germany DA - 2002-09-02 PY - 2002 SN - 90-5809-512-6 VL - 2 SP - 1137 EP - 1142 PB - Balkema CY - Lisse AN - OPUS4-1595 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Auersch, Lutz A1 - Said, Samir A1 - Rücker, Werner ED - Sarsby, R. T1 - Prospecting soft deposits by wave propagation analysis in theory and experiment T2 - The exploitation of natural resources and the consequences T2 - 3rd International Symposium on Geotechnics Related to the European Environment ; 3rd GREEN CY - Berlin, Germany DA - 2000-06-21 PY - 2001 SN - 0-7277-3004-5 SP - 65 EP - 73 PB - Telford CY - London AN - OPUS4-1594 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -