多跨连续刚构桥梁合拢顺序研究
首发时间:2015-07-23
摘要:为研究多跨连续刚构桥梁不同合拢顺序在温度和收缩徐变作用下对桥梁结构的影响,对某七跨连续刚构桥梁的有限元模拟分析,得出在不同的合拢顺序下全桥的应力及挠度变化,优化明确了对结构有利的施工工艺,为同类型桥梁的设计与施工提供参考。
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Multi-span continuous rigid frame bridge closure order study
Abstract:For studying the effects of closure order on multi-span continuous rigid frame bridge under temperature and shrinkage and creep loading , a seven-span continuous rigid frame is analyzed and the changes of stress and deflection of the whole bridge under different closure order is obtained according to numerical simulation . Construction process for bridge structures is optimized to provide a reference for the design and construction of the same type of bridge.
Keywords: multi-span continuous rigid frame, closure, temperature, shrinkage and creep
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No.4649899883441143****
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