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《Highway Engineering》 2013-03
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Study on the Safety Surplus of the Valid Prestressed Force under Anchor

CHEN Chaowei1,2(1.Fujian Research Institute of Communications Science and Technology,Fuzhou,Fujian 350004,China;2.Fujian Key Laboratory of Highway & Waterway Engineering,Fuzhou,Fujian 350004,China)  
The loaded capacity of the precast T beam was analysed by means of finite element method in the different less tension situation,then the.The critical value in the safety was drawn.Under the action of load,strain and deflection of the measured value and the theoretical value were compared with carrying out load experiments with the sufficient size(25 m long) T beam test,and the critical value in the safety was testifyed reliably.With the critical value compared to the reasonable numerical value range of the effective prestress under anchou,the safety surplus of the valid prestressed force under anchor was drawn.
【Fund】: 福建省交通运输科技项目(201102)
【CateGory Index】: U445.57
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