According to the collapse mechanism of the joint in tension, the collapse model was proposed, and the bearing capacity formula of the joint in tension was derived by the punching shear method.
根据受拉球节点的破坏机理，提出了受拉球节点的破坏模型，用冲剪法得到其承载力计算公式。
The times of feed mechanism punching shear is started from0 it can shear in free scope.
送料机构冲剪次数从0开始，任意范围内皆能剪断。
The assumed collapse mechanism takes accounts of the influence of shear displacement and rotation simultaneously and conforms to the real features of punching failure satisfactorily.
所采用的冲切破坏机构同时考虑了冲切锥与外围板之间的相对错动位移和转动位移的影响，比较符合实际的冲切破坏机理。
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