Location

St. Louis, Missouri

Presentation Date

14 Mar 1991, 2:00 pm - 3:30 pm

Abstract

A numerical procedure is proposed to analyze the seismic response of structure resting on layered medium. By this approach the effects of the dynamic soil-structure interaction (DSSI) upon the response of earth dam on multi-layered half space subjected to seismic ground motions are studied. The dynamic responses of earth dams on rigid base are also evaluated to compare with those on a flexible homogenous half space. It is noted that great differences may arise between the results of the two cases. To investigate the influence of the truncated size of foundation in horizontal direction on the dynamic response of the earth dam on a single layered foundation, the conventional finite element method (FEM) are employed, in which the dam together with a finite size of foundation is analyzed. It is shown that, for most cases, DSSI decreases the response amplitudes of the earth dam significantly.

Department(s)

Civil, Architectural and Environmental Engineering

Meeting Name

2nd International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics

Publisher

University of Missouri--Rolla

Document Version

Final Version

Rights

© 1991 University of Missouri--Rolla, All rights reserved.

Creative Commons Licensing

Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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Dynamic Response of Earth Dam-Foundation System

St. Louis, Missouri

A numerical procedure is proposed to analyze the seismic response of structure resting on layered medium. By this approach the effects of the dynamic soil-structure interaction (DSSI) upon the response of earth dam on multi-layered half space subjected to seismic ground motions are studied. The dynamic responses of earth dams on rigid base are also evaluated to compare with those on a flexible homogenous half space. It is noted that great differences may arise between the results of the two cases. To investigate the influence of the truncated size of foundation in horizontal direction on the dynamic response of the earth dam on a single layered foundation, the conventional finite element method (FEM) are employed, in which the dam together with a finite size of foundation is analyzed. It is shown that, for most cases, DSSI decreases the response amplitudes of the earth dam significantly.