装配式剪力墙节点抗弯承载力现场试验_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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装配式剪力墙节点抗弯承载力现场试验

Field Test Study on Flexural Capacity of Prefabricated Shear Wall Connection

２０19年第8期

装配式剪力墙；竖向连接节点；抗弯承载力试验；滞回曲线

Prefabricated shear wall; Vertical connection node; Flexural capacity experiment; Hysteresis curve

２０19年第8期

10.19761/j.1000-4637.2019.08.058.05

国家自然科学基金项目（51579221、51779224）。

张志1，许园林2，王振宇3，崔晓铁3

1.山西二建集团有限公司，太原030013；2.山西建设投资集团有限公司，太原030010； 3.浙江大学建筑工程学院，杭州310058

张志1，许园林2，王振宇3，崔晓铁3

张志,许园林,王振宇,等.装配式剪力墙节点抗弯承载力现场试验[J].混凝土与水泥制品,2019(8):58-62.

ZHANG Z,XU Y L,WANG Z Y,et al.Field Test Study on Flexural Capacity of Prefabricated Shear Wall Connection[J].China Concrete and Cement Products,2019(8):58-62.

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1000

摘要：为了研究装配式剪力墙竖向连接节点的抗弯承载力，对现场实际构件，采用控制荷载和位移加载方法，开展了单向低周循环试验，得到该剪力墙的滞回曲线和骨架曲线，记录并分析了该剪力墙竖向连接节点的破坏模式。结果表明，本次试验加载弯矩为52.5 kN·m时，构件出现第一条裂缝，该剪力墙竖向连接节点所能承受的最大弯矩为72 kN·m，均大于设计值；构件开裂前，载荷与位移成线性关系，卸载后无残余变形，构件开裂后，位移随荷载增加的速率逐渐增大，卸载后出现残余变形；滞回曲线成“反S”，构件可较好吸收循环加载能量；装配式剪力墙裂缝最先出现在墙体开洞处，加载过程中墙体底部与楼板的水平接缝逐渐张开、扩展。 Abstract: In order to study the flexural capacity of the vertical connection of the prefabricated shear wall, one-way low-cyclic loading experiment was carried out on the actual components of the site using the load-controlled and displacement-controlled methods. The hysteresis curve and curve skeleton of the shear wall were obtained, which are used to record and analyze the failure mode of the vertical connection of the shear wall. The results show that the bending moment is 52.5 kN·m when the component starts to crack, the maximum bending moment the shear wall could withstand is 72 kN·m which is greater than the extrapolated design targets. Before the cracking of the component, the relationship between the load and the displacement is linear, and there is no residual deformation after each unloading cycle. After the cracking, the displacement increases with the increase of the loading and the residual deformation occurs after the unloading cycles. The hysteresis curve assumes a reverse S shape and the wall can absorb the cyclic loading well. The first crack of the prefabricated shear wall appears in the wall opening. The horizontal seam between the bottom of the wall gradually expands and broadens during the loading process.

英文名 : Field Test Study on Flexural Capacity of Prefabricated Shear Wall Connection

刊期 : ２０19年第8期

关键词 : 装配式剪力墙；竖向连接节点；抗弯承载力试验；滞回曲线

Key words : Prefabricated shear wall; Vertical connection node; Flexural capacity experiment; Hysteresis curve

刊期 : ２０19年第8期

DOI : 10.19761/j.1000-4637.2019.08.058.05

文章编号 :

基金项目 : 国家自然科学基金项目（51579221、51779224）。

作者 : 张志1，许园林2，王振宇3，崔晓铁3

单位 : 1.山西二建集团有限公司，太原030013；2.山西建设投资集团有限公司，太原030010； 3.浙江大学建筑工程学院，杭州310058

张志1，许园林2，王振宇3，崔晓铁3

张志,许园林,王振宇,等.装配式剪力墙节点抗弯承载力现场试验[J].混凝土与水泥制品,2019(8):58-62.

ZHANG Z,XU Y L,WANG Z Y,et al.Field Test Study on Flexural Capacity of Prefabricated Shear Wall Connection[J].China Concrete and Cement Products,2019(8):58-62.

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摘要

参数

结论

参考文献

引用本文

摘要：为了研究装配式剪力墙竖向连接节点的抗弯承载力，对现场实际构件，采用控制荷载和位移加载方法，开展了单向低周循环试验，得到该剪力墙的滞回曲线和骨架曲线，记录并分析了该剪力墙竖向连接节点的破坏模式。结果表明，本次试验加载弯矩为52.5 kN·m时，构件出现第一条裂缝，该剪力墙竖向连接节点所能承受的最大弯矩为72 kN·m，均大于设计值；构件开裂前，载荷与位移成线性关系，卸载后无残余变形，构件开裂后，位移随荷载增加的速率逐渐增大，卸载后出现残余变形；滞回曲线成“反S”，构件可较好吸收循环加载能量；装配式剪力墙裂缝最先出现在墙体开洞处，加载过程中墙体底部与楼板的水平接缝逐渐张开、扩展。
Abstract: In order to study the flexural capacity of the vertical connection of the prefabricated shear wall, one-way low-cyclic loading experiment was carried out on the actual components of the site using the load-controlled and displacement-controlled methods. The hysteresis curve and curve skeleton of the shear wall were obtained, which are used to record and analyze the failure mode of the vertical connection of the shear wall. The results show that the bending moment is 52.5 kN·m when the component starts to crack, the maximum bending moment the shear wall could withstand is 72 kN·m which is greater than the extrapolated design targets. Before the cracking of the component, the relationship between the load and the displacement is linear, and there is no residual deformation after each unloading cycle. After the cracking, the displacement increases with the increase of the loading and the residual deformation occurs after the unloading cycles. The hysteresis curve assumes a reverse S shape and the wall can absorb the cyclic loading well. The first crack of the prefabricated shear wall appears in the wall opening. The horizontal seam between the bottom of the wall gradually expands and broadens during the loading process.

关键词:

装配式剪力墙；竖向连接节点；抗弯承载力试验；滞回曲线

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