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Creep Effect Simulation of Long-span Continuous Railway Bridge
Author(s): 
Pages: 68-70
Year: Issue:  6
Journal: Urban Mass Transit

Abstract: 混凝土徐变是影响客运专线上的预应力混凝土连续梁桥轨道平顺性的一个重要因素,并且对于悬臂浇筑施工及徐变引起的梁端变形也会影响主跨的合龙.介绍并探讨了目前国内外常用的徐变模型以及徐变效应的计算方法.通过对杭甬客运专线上某大跨连续梁桥的收缩徐变进行计算,并与实测值进行比较,分析其施工阶段的徐变效应.
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