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砌体填充墙平面外受力分析及简化模型

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2012-03-15

Journal: 建筑科学与工程学报

Included Journals: ISTIC、PKU

Volume: 29

Issue: 1

Page Number: 121-126

ISSN: 1673-2049

Key Words: 砌体填充墙;平面外受力;ANSYS分析;均布荷载;层间位移

Abstract: 采用ANSYS分析软件,对顶端刚接和脱开的2种填充墙进行平面外受力变形性能的非线性数值模拟分析,考察了均布荷载和层间位移作用下,墙体开裂过程中的应力变化和破坏模式,验证了顶端刚接墙体在开裂后期存在明显的拱作用.结果表明:顶端刚接的填充墙在均布荷载作用下宜按三铰拱模型考虑,在层间位移作用下宜按两铰拱考虑;而顶端脱开、钢筋拉结的填充墙在均布荷载和层间位移作用下均可按顶端铰支、底端固接的模型考虑.

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