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Math. Comput. Appl. 2010, 15(5), 796-801; doi:10.3390/mca15050796

Non-Linear Analysis of Stress and Strain of Concrete-Faced Rockfill Dam for Sequential Impoundment Process

1
State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, 116023 Dalian, P. R. China
2
Liaoning Pushihe Pumped Storage Company Limited, 118216 Dandong, Liaoning, P. R. China
*
Author to whom correspondence should be addressed.
Received: 31 December 2010 / Accepted: 31 December 2010 / Published: 31 December 2010
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Abstract

The rockfill is modeled as nonlinear elastic material, whose stress-dependent tangent modulus is related to the confining pressure. The parameters of constitutive relationship of stress and strain are determined by tri-dimensional compression test in laboratory. The model applied in this study adopts the technique of element birth and death to simulate the sequential impoundment process of concrete-faced rockfill dam with time. Nonlinear finite element method is used to simulate the prototype behavior of various components of the dam in sequential nonlinear analysis and some representative results are presented.
Keywords: Concrete-faced Rockfill Dam; Sequential Impoundment Process; Nonlinear Finite Element Method; Horizontal and Vertical Deformation Concrete-faced Rockfill Dam; Sequential Impoundment Process; Nonlinear Finite Element Method; Horizontal and Vertical Deformation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Yu, H.; Li, S.; Liu, Y.; Zhang, J. Non-Linear Analysis of Stress and Strain of Concrete-Faced Rockfill Dam for Sequential Impoundment Process. Math. Comput. Appl. 2010, 15, 796-801.

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