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Three-Dimensional Nonlinear Soil Response Methods Based on a Three-Component Input Wave Field
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AI
DOI：10.1061/(ASCE)GM.1943-5622.0000482.png)
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摘要
En 中文
In a previous study, three-dimensional (3D) linear and simplified nonlinear finite-element soil response methods based on a horizontal-component input seismic wave field were proposed. A seismic wave field means seismic waves propagating in a 3D medium. The method had been developed with the goal of adequately treating short-period (less than a few seconds) seismic surface waves trapped by a deep (several km) underground structure in a shallow soil model. In the present study, along with improvements of the methods, 3D linear and simplified nonlinear soil response methods based on a three-component input seismic wave field are developed, and are applied to estimate seismic soil responses in the three geotechnical zones (the reclaimed, alluvial, and hill zones) of Tokyo during two large earthquakes. The more reasonable soil responses revealed that, in a practical sense, vertical ground motions affected soil responses very little. They also clarified large effects of liquefaction in the reclaimed zone and inferred no large ground failure in the alluvial and hill zones.
Keyword:
Soil dynamics
Three-dimensional analysis
Vertical forces
Wave propagation
Surface waves
Nonlinear analysis
Liquefaction
期刊
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3.3
论文数:
3.6K
被引数:
1.1W
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Three-Dimensional Finite-Element Method for Soil-Building Interaction Based on an Input Wave Field基于输入波场的土-建筑物相互作用三维有限元方法
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