Effects of site dynamic characteristics on soil–structure interaction (II): Incident P and SV waves |
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| Institution: | 1. Department of Civil Engineering, Tianjin University, Tianjin 300072, China;2. Department of Civil Engineering, University of Southern California, Los Angeles, CA 90089, USA;1. Luleå University of Technology, Luleå 971 87, Sweden;2. Rock Mechanics in Hydraulic Structural Engineering, Ministry of Education, China;3. State Key Lab of Water Resources and Hydropower Engineering Science, Wuhan University, China;1. Department of Pharmacy, the First Hospital of Lanzhou University, Lanzhou 730000, PR China;2. College of Pharmaceutical Science, Lanzhou University, Lanzhou 730000, PR China;1. Department of Civil Engineering, Technical University of Berlin, Gustav-Meyer-Allee 25, D-13355 Berlin, Germany;2. GuD Geotechnical and Dynamic Consult GmbH, Darwinstrasse 13, D-10589 Berlin, Germany;1. Jiangxi Key Laboratory of Infrastructure Safety and Control in Geotechnical Engineering, East China Jiaotong University, Nanchang, Jiangxi, PR China;2. Research Center of Coastal and Urban Geotechnical Engineering, College of Civil Engineering and Architecture, Zhejiang University, Hangzhou, Zhejiang, PR China;1. Key Laboratory of Coast Civil Structure Safety, Tianjin University, Ministry of Education, Tianjin 300072, China;2. Department of Civil Engineering, University of Southern California, Los Angeles, CA 90089–2531, USA |
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| Abstract: | In-plane, dynamic soil–structure interaction (SSI) for incident-plane P and SV waves is analyzed for a two-dimensional (2D) model of a shear wall on a rigid foundation that is embedded in a soil layer over bedrock. The indirect-boundary-element method (IBEM) and non-singular Green's functions of distributed loads on inclined lines are used to solve the problem. Although this in-plane, dynamic SSI problem displays characteristics similar to those of 2D, out-of-plane, dynamic SSI, which was studied in our previous work, there exist some significant differences. In analyses of the SSI of the full-scale structures, which recorded strong earthquake shaking, our interpretations are often based on the peaks in the transfer functions of observed structural response. It is shown in this paper how the amplitudes and the frequencies of those peaks are affected by the relative rigidity and thichness of the soil layer below the foundation. |
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