装配式地铁车站侧墙-顶板节点抗震性能试验研究
TU375; 针对装配式地铁车站结构,提出了一种新型的车站顶板与侧墙连接节点.该节点通过车站侧墙顶部伸出的竖向U形钢筋与预制顶板两端伸出的水平U形钢筋搭接连接,从而实现侧墙与顶板间的内力传递.结合实际工程,设计制作了3个U形筋搭接构造形式各不相同的装配式足尺节点试件.通过拟静力试验,研究了节点试件的破坏形态、滞回性能、承载能力、变形性能以及耗能能力.结果表明,装配式节点试件的破坏形态包括U形筋弯弧内侧混凝土的局部受压破坏和侧墙剪切破坏.节点试件的位移延性系数为2.7-3.4,试件顶板端部的极限转角为1/22~1/27.增加节点中受拉钢筋的搭接长度,可以有效确保U形筋搭接连接在往复荷载作用下的有...
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Published in | 东南大学学报(自然科学版) Vol. 51; no. 4; pp. 610 - 617 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
东南大学土木工程学院,南京211189%无锡地铁集团有限公司,无锡214100%中铁第四勘察设计院集团有限公司,武汉430063
20.07.2021
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Subjects | |
Online Access | Get full text |
ISSN | 1001-0505 |
DOI | 10.3969/j.issn.1001-0505.2021.04.009 |
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Abstract | TU375; 针对装配式地铁车站结构,提出了一种新型的车站顶板与侧墙连接节点.该节点通过车站侧墙顶部伸出的竖向U形钢筋与预制顶板两端伸出的水平U形钢筋搭接连接,从而实现侧墙与顶板间的内力传递.结合实际工程,设计制作了3个U形筋搭接构造形式各不相同的装配式足尺节点试件.通过拟静力试验,研究了节点试件的破坏形态、滞回性能、承载能力、变形性能以及耗能能力.结果表明,装配式节点试件的破坏形态包括U形筋弯弧内侧混凝土的局部受压破坏和侧墙剪切破坏.节点试件的位移延性系数为2.7-3.4,试件顶板端部的极限转角为1/22~1/27.增加节点中受拉钢筋的搭接长度,可以有效确保U形筋搭接连接在往复荷载作用下的有效性. |
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AbstractList | TU375; 针对装配式地铁车站结构,提出了一种新型的车站顶板与侧墙连接节点.该节点通过车站侧墙顶部伸出的竖向U形钢筋与预制顶板两端伸出的水平U形钢筋搭接连接,从而实现侧墙与顶板间的内力传递.结合实际工程,设计制作了3个U形筋搭接构造形式各不相同的装配式足尺节点试件.通过拟静力试验,研究了节点试件的破坏形态、滞回性能、承载能力、变形性能以及耗能能力.结果表明,装配式节点试件的破坏形态包括U形筋弯弧内侧混凝土的局部受压破坏和侧墙剪切破坏.节点试件的位移延性系数为2.7-3.4,试件顶板端部的极限转角为1/22~1/27.增加节点中受拉钢筋的搭接长度,可以有效确保U形筋搭接连接在往复荷载作用下的有效性. |
Author | 潘清 郭正兴 刘毅 付先进 冯帅克 邢琼 徐军林 |
AuthorAffiliation | 东南大学土木工程学院,南京211189%无锡地铁集团有限公司,无锡214100%中铁第四勘察设计院集团有限公司,武汉430063 |
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Author_FL | Xu Junlin Liu Yi Feng Shuaike Pan Qing Guo Zhengxing Fu Xianjin Xing Qiong |
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Keywords | 装配式地铁车站 U形筋搭接连接 侧墙-顶板节点 节点抗震性能 |
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Title | 装配式地铁车站侧墙-顶板节点抗震性能试验研究 |
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