NONLINEAR DYNAMIC ANALYSIS OF CONCRETE GRAVITY DAMS CONSIDERING DAM-RESERVOIR-FOUNDATION INTERACTION

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MOATAMEDI M.H.; AMINI A.R.; GHAEMIAN M.

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Paper Information

Journal: JOURNAL OF CIVIL ENGINEERING ISLAMIC AZAD UNIVERSITY Year:2008 | Volume:1 | Issue:2 Page(s): 15-24

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Title

NONLINEAR DYNAMIC ANALYSIS OF CONCRETE GRAVITY DAMS CONSIDERING DAM-RESERVOIR-FOUNDATION INTERACTION

Author(s)

MOATAMEDI M.H. | AMINI A.R. | GHAEMIAN M. | Issue Writer Certificate

Keywords

ABSORBING BOUNDARY CONDITIONQ3

CONCRETE GRAVITY DAMSQ2

DAM-RESERVOIR-FOUNDATION INTERACTIONQ3

NONLINEAR ANALYSISQ3

SEISMIC RESPONSEQ1

Abstract

During the recent years, the seismic nonlinear behavior of CONCRETE GRAVITY DAMS was in the center of consideration of dam engineers. Numerous researches have been conducted in order to determine how the dams behave against the seismic loads. Many achievements were obtained in the process of NONLINEAR ANALYSIS and design of concrete dams. In this paper, we study the nonlinear behavior of DAM-RESERVOIR-FOUNDATION INTERACTION during an earthquake. Using the finite element method and smeared crack approach, some different seismic nonlinear analyses were done to study the impact of the foundation mass and flexibility on the seismic behavior of the dam. A two-dimensional finite element model of a concrete gravity dam including the dam body, a part of its foundation and a part of the reservoir was made. Staggered displacement method was used for the purpose of solving coupled equations. In addition, the proper boundary conditions were used in both reservoir and foundation in order to absorb the energy of waves at the far end boundaries. The results show that both the foundation mass and flexibility have an outstanding impact on the nonlinear behavior of dams and therefore it is necessary to consider the foundation effect while analyzing concrete dams.

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APA: Copy

MOATAMEDI, M.H., AMINI, A.R., & GHAEMIAN, M.. (2008). NONLINEAR DYNAMIC ANALYSIS OF CONCRETE GRAVITY DAMS CONSIDERING DAM-RESERVOIR-FOUNDATION INTERACTION. JOURNAL OF CIVIL ENGINEERING ISLAMIC AZAD UNIVERSITY, 1(2), 15-24. SID. https://sid.ir/paper/199438/en

Vancouver: Copy

MOATAMEDI M.H., AMINI A.R., GHAEMIAN M.. NONLINEAR DYNAMIC ANALYSIS OF CONCRETE GRAVITY DAMS CONSIDERING DAM-RESERVOIR-FOUNDATION INTERACTION. JOURNAL OF CIVIL ENGINEERING ISLAMIC AZAD UNIVERSITY[Internet]. 2008;1(2):15-24. Available from: https://sid.ir/paper/199438/en

IEEE: Copy

M.H. MOATAMEDI, A.R. AMINI, and M. GHAEMIAN, “NONLINEAR DYNAMIC ANALYSIS OF CONCRETE GRAVITY DAMS CONSIDERING DAM-RESERVOIR-FOUNDATION INTERACTION,” JOURNAL OF CIVIL ENGINEERING ISLAMIC AZAD UNIVERSITY, vol. 1, no. 2, pp. 15–24, 2008, [Online]. Available: https://sid.ir/paper/199438/en

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