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Study on Recycled Aggregate Concrete Frame Joints with Method of Nonlinear Finite Element

机译：再生骨料混凝土框架节点的非线性有限元研究

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摘要

With the achievements made in the research of mechanical properties for recycled aggregate concrete, this paper adopts the method of nonlinear finite element to analyze the seismic behavior of frame joints. The frame joints are made of recycled aggregate concrete. It also takes into account the bond behavior between steel bars and recycled aggregate concrete in the core area of the joints, and the force-displacement curve of the joints is calculated. Nonlinear finite element analysis shows that the results of the calculations are in accordance with the test results. It is concluded in this paper that, built models with nonlinear finite element method can be applied in simulating exactly the same seismic behavior of frame joints under low frequency reversed lateral loading.
机译：结合再生骨料混凝土力学性能的研究成果，本文采用非线性有限元方法对框架节点的抗震性能进行了分析。框架接头由再生骨料混凝土制成。它还考虑了钢筋和再生骨料在接缝中心区域的粘结行为，并计算了接缝的力-位移曲线。非线性有限元分析表明，计算结果与试验结果吻合。得出的结论是，建立的非线性有限元模型可以应用于框架反向节点在低频反向侧向荷载作用下的完全相同的地震行为模拟。

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