The theory how forces act on the joint, the kinds of destruction, bar anchor problem of U-shaped bar and the length of hinge were further discussed and analyzed.

结合前面的工作，对节点的受力机制、破坏类型、失效方式、节点中钢筋粘结滑移情况以及塑性铰长度等进行了进一步的分析和探讨。

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The system of civil legal act is a basic content of the civil theory. It is the joint of three main system of the owner of rights, the rights of property and the rights of debts.

民事法律行为制度是民法学理论的一项基本内容，它是联结权利主体制度、物权制度、债权制度这三大民法理论的纽带。

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