Plastic Limit Analysis of Arch Dams

by Kaizhi Wang, Wuhan Univ of Hydraulic and Electric, Engineering, Wuhan, China,
Jinxing Fan, Wuhan Univ of Hydraulic and Electric, Engineering, Wuhan, China,
Junxing Wang, Wuhan Univ of Hydraulic and Electric, Engineering, Wuhan, China,
Meirong Chen, Wuhan Univ of Hydraulic and Electric, Engineering, Wuhan, China,
Xinmin Li, Wuhan Univ of Hydraulic and Electric, Engineering, Wuhan, China,
Guihuo Lu, Wuhan Univ of Hydraulic and Electric, Engineering, Wuhan, China,



Document Type: Proceeding Paper

Part of: Computing in Civil and Building Engineering

Abstract:

This paper applies the lower- and the Upper- bound theorems of the plasticity theory to arch dams, according to different forms of discretization for dam, two methods, namely the structural plastic limit analysis method and the three-dimensional (3-D) finite element plastic limit analysis method are presented and their mathematical models on linear programming (LP) and non-linear programming (NLP) are derived respectively. Calculations of engineering examples show that the two plastic limit analysis methods are suited to calculate the limit bearing capacity (overloading factor or strength reserve coefficient) and the collapse mechanism of arch dam.

Subject Headings: Plastic analysis | Finite element method | Arch dams | Three-dimensional analysis | Limit analysis | Linear analysis | Structural analysis | Computer programming

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