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极限承载力分析
    The Elastoplastic Ultimate Bearing Capacity Analysis of Roof Structure of Beijing Olympic Ping-pong Gymnasium
    北京奥运会乒乓球馆屋盖结构的弹塑性极限承载力分析
    Ultimate Bearing Capacity Analysis of Externally Prestressed RC Beams Based on Deflection
    基于挠度的体外预应力RC梁极限承载力分析
    Ultimate Bearing Capacity Analysis of Y-shape Girder of Roof Steel Structure of Shanghai South Railway Station
    上海南站钢屋盖Y形主梁极限承载力分析
    And this program can be applied to the ultimate bearing capacity analysis of both large-span steel bridges and large-span concrete bridges.
    该程序既可用于大跨度钢桥的极限承载力分析,也可用于大跨度混凝土桥梁的极限承载力分析
    For long span reinforced concrete arch bridges,it is nonlinear characteristics of material and geometric during its deformation and instability. The ultimate bearing capacity analysis on the basis of the finite deformation theory and the strees-strain relationship of concrete for reinforced concrete arch bridge is presented in this paper. The results of model tests for reiforced concrete arch have shown that the test results were in good agreement with the theoretical analysis.
    本文针对大跨度钢筋混凝土拱桥结构在变形、失稳破坏期间产生的几何非线性和材料非线性的特性,采用有限变形理论和混凝土的本构关系,对钢筋混凝土拱桥进行了极限承载力分析,并以钢筋混凝土拱的模型试验结果验证了理论分析结果.
    This paper introduces the structural type and loads calculation of the roof of Beijing Olympic Ping-pong Gymnasium and mainly performs the ultimate bearing capacity analysis. In addition,the influence of prestress,the length of struts and support conditions are discussed.
    介绍了北京奥运会乒乓球馆屋盖的结构形式、荷载取值等,着重进行了弹塑性极限承载力分析,并分析了预张力、下撑杆长度、边界条件等参数对结构极限承载能力的影响。
 

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