【摘要】 本文采用八节点三维等参元,对于具有箱形截面的抛物线拱进行了整体空间稳定性分析,计算结果和模型试验结果符合较好。更多还原

【Abstract】 By using 3-dimensional 8-nodes isoparameter elements, the lateral stability of a box-girder parabolic arch is studied. The calculated results by FEM are in good correspondence with the experimental results.更多还原