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 ENG  Vol.5 No.7 , July 2013
Modelling Propagation of Stress Waves through Soil Medium for Ground Response Analysis
Abstract: buildings located at rock sites. Modelling wave propagation through soil medium helps to derive the primary and secondary wave velocities. Most of the time soil mediums are heterogeneous, layered and undergoes nonlinear strains even under weak excitation. The equivalent linear approximation with one dimensional wave propagation is widely adopted for modeling earthquake excitation for layered soil. In this paper, importance of local soil effects, the process of wave propagation through three dimensional elastic medium, layered medium situated on rigid rock, attenuation of stress waves due to material damping, equivalent linear approximation, the concept of one dimensional wave propagation, and a case study of one dimensional wave propagation as a part of site-specific ground response analyses for Delhi region are included. The case study brings out the importance of carrying out site-specific ground response analyses of buildings considering the scenario earthquakes and actual soil conditions for Delhi region.
Cite this paper: P. Kamatchi, G. Ramana, A. Nagpal and N. Iyer, "Modelling Propagation of Stress Waves through Soil Medium for Ground Response Analysis," Engineering, Vol. 5 No. 7, 2013, pp. 611-621. doi: 10.4236/eng.2013.57073.
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