Static and dynamic analysis of rockfill dam using finite-infinite element method

In this paper, the dam body and the underneath soil were modeled using coupled finite-infinite elements under plane strain conditions. Initially, static stresses developed in the dam-foundation system due to gravity and hydrostatic loads are evaluated. Elasto-plastic seismic analysis of the dam-foun...

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Bibliographic Details
Main Authors: Noorzaei, Jamaloddin, Karami, Morteza, Thanoon, Waleed Abdulmalik, Jaafar, Mohd Saleh
Format: Article
Language:English
Published: Universiti Putra Malaysia Press 2005
Online Access:http://psasir.upm.edu.my/id/eprint/3820/1/Pages_from_JST_VOL_13_NO._1-3.pdf
Description
Summary:In this paper, the dam body and the underneath soil were modeled using coupled finite-infinite elements under plane strain conditions. Initially, static stresses developed in the dam-foundation system due to gravity and hydrostatic loads are evaluated. Elasto-plastic seismic analysis of the dam-foundation system is next carried out by adopting the Drucker-Prager criterion for the material nonlinearity. The equation of motion is solved by New mark incremental time integration technique. The study focuses on the structural behaviour of the dam-foundation system under earthquake excitations. The behaviour in terms of displacement contours, stress distributions and the failure mode are presented.