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Keywords: embankments, seismic slope stability, geosynthetics, sliding, coupled and decoupled models..

Summary

The construction of geosynthetically reinforced earth structures has attracted constantly increasing scientific and practical interest over the past decades. The accumulation of permanent deformation consists one of the most crucial hazards of geosynthetically reinforced soil slopes. In the 1960s Newmark proposed a relatively simple analytical model in which the displacement of a soil mass above a slip surface is simulated as a rigid block sliding on a plane. Subsequently, in order to overcome the limitation that the sliding block is totally rigid, more realistic design procedures have been proposed accounting for the dynamic response of the sliding mass and the development of slip displacement accumulation which are considered either simultaneously (referred as coupled analysis) or separately (referred as decoupled analysis). The aim of the current study, reported in this paper, is to assess the dynamic response and stability issues of soil structures and the beneficial role of geosynthetics for the prevention of seismically induced instabilities. For this purpose, lumped mass shear beam models with single and multiple degrees of freedom have been developed.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 106 PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by: Paper 263 Dynamic Sliding of Geosynthetically Reinforced Slopes I. Tzavara¹, Y. Tsompanakis¹, V. Zania² and P.N. Psarropoulos³ ¹Technical University of Crete, Greece ²Technical University of Denmark, Denmark ³National Technical University of Athens, Greece doi:10.4203/ccp.106.263 purchase the full-text of this paper Full Bibliographic Reference for this paper I. Tzavara, Y. Tsompanakis, V. Zania, P.N. Psarropoulos, "Dynamic Sliding of Geosynthetically Reinforced Slopes", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 263, 2014. doi:10.4203/ccp.106.263 Keywords: embankments, seismic slope stability, geosynthetics, sliding, coupled and decoupled models.. Summary The construction of geosynthetically reinforced earth structures has attracted constantly increasing scientific and practical interest over the past decades. The accumulation of permanent deformation consists one of the most crucial hazards of geosynthetically reinforced soil slopes. In the 1960s Newmark proposed a relatively simple analytical model in which the displacement of a soil mass above a slip surface is simulated as a rigid block sliding on a plane. Subsequently, in order to overcome the limitation that the sliding block is totally rigid, more realistic design procedures have been proposed accounting for the dynamic response of the sliding mass and the development of slip displacement accumulation which are considered either simultaneously (referred as coupled analysis) or separately (referred as decoupled analysis). The aim of the current study, reported in this paper, is to assess the dynamic response and stability issues of soil structures and the beneficial role of geosynthetics for the prevention of seismically induced instabilities. For this purpose, lumped mass shear beam models with single and multiple degrees of freedom have been developed. purchase the full-text of this paper (price £20) go to the previous paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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