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《Journal of Chongqing Jiaotong University》 2006-03
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A probe into the calculation method on coping's internal force of pillar pier

HU Dong,HU Mian-yi(Chongqing Jiaotong University,Chongqing 400074,China)  
The paper sets forth the calculation method of coping's internal force undertow different calculation graphic formulas and comparative analyses are made.As indicated in the analyses: the coping's internal force shall be quadrate allocated when the rigidity of the pillar is taken into account which leads to the diminution of middle span positive flexural torque and augment of fulcrum negative flexural torque(called Rigid Frame Effect).It goes prominently as the linear rigidity ratio of the pillar and coping increases.When the linear rigidity ratio is small,simplified twin-cantilever free beam(continuous beam) graphic formula shall be adopted whereas the fulcrum section shall be properly reinforced;while to the important bridges or bridges with large linear rigidity ratio of the pillar and coping,twin-cantilever rigid-framed structure graphic formula shall be appropriately used for calculation.
【CateGory Index】: U443.22
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