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Parametric Study of Inertial Soil-Structure Interaction Effects

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Year: 2014
COI code: ICSAU02_0526
Paper Language: English

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Authors Parametric Study of Inertial Soil-Structure Interaction Effects

  H. Sayyadpour - Ph.D. Candidate, Isfahan University of Technology, Iran
  F. Behnamfar - Associate Professor, Isfahan University of Technology, Iran


Soil-structure interaction (SSI) phenomenon may alter the response of a dynamic system. The influence of SSI can be categorized in kinematic and inertial interaction effects. Kinematic interaction changes the amplitude and frequency content of foundation input motion (FIM) and inertial interaction is related to changing dynamic properties of both structure and soil around the foundation. This paper discusses about inertial interaction and the role of various parameters in the level of its effects. Inertial interaction is resulted from relative deformations between soil and superstructure as well as nonlinear behavior of the soil around the foundation. As various researches have shown that the level of inertial interaction effects are depended on both superstructure and soil properties, some dimensionless parameters controlling nonlinear behavior in the region near the foundation were selected to investigate SSI effects. Results of parametric study demonstrate that stiffness ratio has the most important role in altering dynamic properties of soil and superstructure Moreover, influence of modeling foundation with flexible and rigid elements was studied in present research.


soil-structure interaction, dimensionless parameters, flexibility, seismic anal

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COI code: ICSAU02_0526

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Sayyadpour, H. & F. Behnamfar, 2014, Parametric Study of Inertial Soil-Structure Interaction Effects, 2nd international congress of structure, architecture and urban development, تبريز, دبيرخانه دائمي كنگره بين المللي سازه ، معماري و توسعه شهري, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Sayyadpour, H. & F. Behnamfar, 2014)
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The University/Research Center Information:
Type: state university
Paper No.: 13156
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