以渡槽槽架结构的顶点位移和层间位移作为控制标准，提出了渡槽结构在风荷载作用下位移控制的可靠度分析模型；基于现行相关规范的规定，提出了渡槽槽架结构的顶点位移和层间位移限值；根据各种设计参数的随机特征，采用Monte-Carlo模拟与有限元结合的方法对渡槽结构体系位移控制的可靠度进行了研究，建议以1/550作为渡槽槽架结构的顶点位移和层间位移的控制指标值。

Taking the layer-to-layer displacement and top displacement of an aqueduct frame structure as a control index in the paper, the reliability model of an aqueduct structure controlled by horizontal displacement under wind load is presented. According to the specifications of the relative code and statistical characteristics of design parameters, the reliabilities of displacement controlled of the aqueduct structural system under wind load is studied using the method in combination Monte-Carlo simulation with finite element. A controlling index value 1∶550 for the layer-to-layer displacement and top displacement of an aqueduct structure is recommended.