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Abstract:
以偏心率、混凝土强度等级和加载龄期为参数,对2组钢管混凝土偏心受压构件进行徐变试验,并对常用的6种混凝土徐变预测模型进行比较分析。结果表明:随着偏心率的增大,钢管混凝土偏心受压构件最大徐变应变(近载侧)越大,偏心率与徐变应变的关系基本呈线性;混凝土强度等级越高,偏心受压试件的最大徐变应变(近载侧)越小,加载龄期为14 d的C40与C50试件相比较,前者在60,120,180,240 d的徐变应变较后者分别增大了12.2%、26.0%、21.7%和23.7%;加载龄期越早,试件的最大徐变应变就越大,C40的试件,加载龄期14 d在60,120,180,240 d的徐变应变较28 d的分别增大了1...
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工业建筑
ISSN: 1000-8993
CN: 11-2068/TU
Year: 2020
Issue: 09
Volume: 50
Page: 139-146
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
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