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2011•Water Resources & Hydropower of Northeast ChinaRequires access

Influence of dam crack on carrying capacity of arch dam

Xiang Xian-jin

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Abstract

Taking unit-height arch ring as an example,the paper simulates and analyzes influence of crack on carrying capacity of arch ring from the change of crack number,change of central angle of arch ring,different span,etc,by using the ANSYS software and the finite element method based on relative data of Xiajiankou reservoir arch dam.The result is that the crack decreases the arch ring carrying capacity,especially the side-crack is most obviously,but the influence of increase of crack number on the carrying capacity is small and crack will not affect the normal usage basically.

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What this paper is about

Taking unit-height arch ring as an example,the paper simulates and analyzes influence of crack on carrying capacity of arch ring from the change of crack number,change of central angle of arch ring,different span,etc,by using the ANSYS software and the finite element method based on relative data of Xiajiankou reservoir arch dam.The result is that the crack decreases the arch ring carrying capacity,especially the side-crack is most obviously,but the influence of increase of crack number on the carrying capacity is small and crack will not affect the normal usage basically.

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Available abstract

Taking unit-height arch ring as an example,the paper simulates and analyzes influence of crack on carrying capacity of arch ring from the change of crack number,change of central angle of arch ring,different span,etc,by using the ANSYS software and the finite element method based on relative data of Xiajiankou reservoir arch dam.The result is that the crack decreases the arch ring carrying capacity,especially the side-crack is most obviously,but the influence of increase of crack number on the carrying capacity is small and crack will not affect the normal usage basically.

Key concepts: Arch, Arch dam, Structural engineering, Carrying capacity, Finite element method, Engineering, Span (engineering), Geotechnical engineering

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