A damage localization bifurcation model for rock-concrete-like materials and its application

ZHAO Jidong; ZHOU Weiyuan; HUANG Yansong; YANG Ruoqiong

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Volume 25 Issue 1

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Chinese Journal of Geotechnical Engineering > 2003 > 25(1): 80-83.

ZHAO Jidong, ZHOU Weiyuan, HUANG Yansong, YANG Ruoqiong. A damage localization bifurcation model for rock-concrete-like materials and its application[J]. Chinese Journal of Geotechnical Engineering, 2003, 25(1): 80-83.

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A damage localization bifurcation model for rock-concrete-like materials and its application

Department of Hydraulic Engineering Tsinghua University Beijing 100084 China

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Published Date: January 23, 2003

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Abstract

Abstract

The paper presents a damage localization bifurcation model for rock concrete like materials. The necessary and sufficient conditions for the occurrence of damage localization were discussed and the critical hardening modulus and localization orientation were presented. Several simple cases were discussed and the results were verified by numerical simulations of FEM. The model is applied to the cracking simulation of the heel of an arch dam during the course of impounding.
- damage localization,
- bifurcation analysis,
- numerical simulation