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xiao ban jing qu xian liang qiao zhi cheng de he li bu zhi
Author(s): 
Pages: 80-83
Year: Issue:  4
Journal: Highway

Keyword:  小半径曲线梁桥支承布置支反力分析内力分析抗倾覆稳定系数;
Abstract: 对于小半径曲线梁桥,支承的布置影响其上下部结构的受力。支承的合理布置能使上下部结构受力更为合理,同时确保结构整体稳定性。以重庆某高速公路互通匝道桥工程实例,运用结构分析软件Midas Civil分析不同支承条件下支反力与结构内力。结合《公路钢筋混凝土及预应力混凝土桥涵设计规范》中关于抗倾覆稳定系数的公式,验算不同支承条件下的抗倾覆稳定系数,并提出小半径曲线梁桥抗倾覆相关的工程措施。
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