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《Engineering Journal of Wuhan University》 2007-01
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Finite element analysis of large and complex set-shaped steel formwork structure

PENG Weiping1,ZHENG Haibin1,YAN Xi2,YANG Yu2(1.School of Power and Mechanical Engineering,Wuhan University,Wuhan 430072,China;2.The Seventh Bureau of Sinohydro Corporation,Pengshan 620860,China)  
Taking the set-shaped steel formworks used for concrete lining of curved tunnel-guide in the Pengshui Hydropower Station for example,a method of finite element modeling,restraint and analysis of a large and complex set-shaped steel formwork is discussed.Finite element models for set-shaped steel formworks analysis in the condition of different lining segments and supports are built,which include regular-approximately rectangle mesh cells and the nonlinear boundary conditions from supports and surface-formworks contact,and hold space joints of components availably.Based on the models,stress and strain of set-shaped steel formworks in different conditions is computed.By analyzing,calculating and comparing,the results in four typical conditions are described.The results can be regarded as the basis of structure optimization and support design of the set-shaped steel formwork.
【CateGory Index】: TV34
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