Topic
Soil structure interaction
About: Soil structure interaction is a research topic. Over the lifetime, 3653 publications have been published within this topic receiving 48890 citations.
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TL;DR: In this paper, the effect of subsoil interventions on the response of soil-structure systems under strong earthquake shaking is studied, referring to increased or reduced stiffness of the initial sub-soil conditions.
Abstract: In the present article the effect of subsoil interventions on the response of soil-structure systems under strong earthquake shaking is studied. Several idealized configurations of commonly applied as well as innovative intervention techniques are examined, referring to increased or reduced stiffness of the initial subsoil conditions of the subsoil-foundation-structure system. Numerical analysis utilizing validated simulation procedures covers a large spectrum of structures and soil conditions. A parametric investigation of several key factors is also conducted. A comparative evaluation of the results in time and frequency domain is aiming in generalizing the conclusions to several earthquake and soil-structure combinations. Obtained results reveal a rather detrimental effect of the stiffness-increasing methods, whereas techniques related to modification of oscillation dynamic properties with flexible subsoil intervention schemes, present promising alternatives for an efficient mitigation of structural re...
16 citations
TL;DR: In this paper, the authors present the probabilistic analyses of pile groups considering spatially variable soil properties and superstructure-foundation interaction effects, and combine the stacked stiffness matrices with foundation elements for holistic analyses of the system.
16 citations
TL;DR: In this paper, three existing formulations of the Relative Stiffness Method (RSM) have been critically evaluated by analysing the governing factors in the building stiffness calculation and their effect on the structural damage assessment.
16 citations
Dissertation•
10 Aug 2007
16 citations
TL;DR: In this article, an analytical method using a cone model is developed to evaluate the impedance functions of pile foundations in a layered soil medium, which is capable of incorporating the complexity of layered soil media and the complicated behaviour of propagating waves.
Abstract: An analytical method using a cone model is developed to evaluate the impedance functions of pile foundations in a layered soil medium. The dynamic behaviour of piles depends on the nature of the interaction between the piles and the surrounding soil. The soil–pile interaction effect modifies the stiffness of the piles and generates damping through energy radiation to infinity. This modified complex stiffness is called the impedance function. A physical model called a cone frustum is developed to represent the layered soil medium. It is capable of incorporating the complexity of layered soil media and the complicated behaviour of propagating waves. The analytical tool is developed based on wave propagation principles.
16 citations