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Simplified nonlinear analysis of reinforced concrete coupling beams subjected to cyclic loading

机译:循环加载钢筋混凝土耦合光束的简化非线性分析

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Reinforced concrete shear walls connected by coupling beams form an efficient structural system to resist earthquake and wind loads in tall buildings. However, the analysis of the effects caused by cyclic loading in this kind of system are not so straightforward. In the present paper, simplified nonlinear analysis using monotonic loading are used in order to obtain the behavior of tested coupling beams subjected to cyclic loading. Numerical results have shown that numerical monotonic loading is able to predict with good precision the yielding and the failure loads of the tested coupling beams subjected to cyclic loading. Both the cracking patterns and the predicted failure modes were captured reasonably well in comparison with the experimental behavior. Therefore, monotonic simulations may be applied to have a first estimate of the envelope curve for cyclic loading.
机译:通过耦合梁连接的钢筋混凝土剪力墙形成了高效的结构系统,以抵抗高层建筑中的地震和风力载荷。然而,对这种系统中的循环负载引起的效果的分析并不是如此简单。在本文中,使用使用单调载荷的简化的非线性分析来获得经受循环负载的测试耦合光束的行为。数值结果表明,数值单调负载能够以良好的精度预测到经受循环负载的测试耦合光束的屈服和故障载荷。与实验行为相比,裂缝图案和预测的故障模式都合理地捕获。因此,单调模拟可以应用于具有循环载荷的包络曲线的第一估计。

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