ABSTRACT

This paper presents the bidirectional (in-plane and out-of-plane) cyclic performance of two-storied precast concrete cladding panel assemblies designed to accommodate, through a ‘rocking’ mechanism, in-plane and out-of-plane inter-story drifts expected in major earthquakes. Two sub-assemblies comprising four rocking precast concrete panels oriented parallel and perpendicular to the loading direction were subjected to quasi-static lateral cyclic inter-story drift demands. The test results show the ability of slotted rocking connections to accommodate the designed 2.00% inter-story drift without any noticeable damage to the panels or their connections. The only damage observed was the partial detachment of the sealant along the bond-line between the panels at 1.40% drift, possibly because of the test being conducted prematurely (only in 9 days) before the sealant had fully cured, and a relatively weak adhesion due to inadequate cleaning of the dusty concrete panel surfaces before the sealant was applied.

摘要

本文介绍了双层预制混凝土覆面板组件的双向（平面内和平面外）循环性能，旨在通过“摇摆”机制适应平面内和平面外的层间预计在大地震中会发生漂移。由四个平行和垂直于加载方向的摇摆预制混凝土面板组成的两个子组件受到准静态横向周期性层间位移要求。测试结果表明，开槽摇摆连接能够适应设计的 2.00% 层间漂移，而不会对面板或其连接造成任何明显损坏。观察到的唯一损坏是密封剂沿着面板之间的粘合线以 1.40% 的漂移部分脱落，