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桥梁结构爆炸分析特点综述

, PP. 16-19

Keywords: 桥梁结构,爆炸荷载,计算模型,损伤评估,结构设计,structuralbridge,blastloads,calculatingmodel,damageevaluation,structuraldesign

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Abstract:

:?笔者在文中论述了爆炸荷载的特点和冲击波超压。时间曲线,这是模拟爆炸荷载对桥梁结构作用的基础。爆炸荷载作用下,公路梁桥以局部破坏形式为主。进行爆炸效应的数值模拟时应注意到爆炸荷载对梁桥的作用效应为有限的区域,而不能简单地用均布荷载施加于桥面上。并介绍了爆炸模拟的原则和特点。

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