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《Technology of Highway and Transport》 2010-01
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Determination of Conversion Plan for Self-Anchored Suspension Bridge System with Single-tower,Double-span and Spacial Cables

TANG Qi1,LI Chuanxi2,KE Hongjun2  
Aiming at the features of stress and deformation of the self-anchored asymmetrical spatial cable suspension bridge during construction of system conversion and based on Guangzhou Liede Bridge for example,this paper systematically concludes and proposes principles for determination of schemes for cable tension(including saddle pushing) of such bridge and works out the scheme for cable tension.On the basis of analysis for sensitivity of parameters and in combination with the mechanical properties in different construction stages of the self anchored suspension bridge,the paper puts forward control principles and construction methods for cable tension during system conversion and after deck pavement as to provide a reference for construction of cable tension and saddle pushing of bridges of the same type.
【CateGory Index】: U448.25
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