perimeter shear 环向剪力 ; 周剪力
Since blocked diaphragms have a greater concentration of fasteners around the perimeter of each sheathing element, blocked diaphragms provide greater shear capacities than unblocked diaphragms.
由于封闭的横隔在每个覆板构件周围有更大的紧固力，其比非封闭的横隔提供更大的抗剪切能力。
The shear displacement of perimeter joints is also enlarged.
周边缝错动位移进一步加大。
The final failure mode of the model is tension failure of perimeter columns and bottom of core wall on the tension side caused by overturning moment, and the story shear failure mode was not found.
结构未发生层剪切破坏，最终破坏模式是在倾覆力矩作用下底部核心筒受拉墙肢及受拉侧外框柱拉断。
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