2007•Journal of Water Resources and Water EngineeringRequires access
Discussion on the analysis of finite element of pre-stressed pier
Yang Sheng
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Abstract
Application of large finite element software ANSYS,this paper has been carried out the 3D FEM calculation for pre-stressed pier in extending cantilevers of bottom outlet of some double-curvature arch dam.Comparing with conventional structure of pier,the effects on dam′s stress caused by the disposal of the upriver and downriver cantilevers and pre-stressed anchor of pier have been analyzed and shown that the upriver and downriver cantilevers had great effect on dam′s stress at the entrance and outlet′s sides of sluice.The pre-stressed pier has improved the stress state of pier and crossbeam,but it had the great influence on stress distribution near silo.