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Study on seismic behavior of reinforced concrete column-steel beam side joints
In this paper, a steel beam insert RCS side joint specimen is designed, and the low-cycle reciprocating loading test has been studied by designing a similar form of side joint specimen. At the same time, the hysteretic curve, skeleton curve, ductility, energy consumption, stiffness, bearing capacity degradation, and other seismic performance indexes are studied. The test results show that the failure mode of the specimen under the low-cycle reciprocating loading is the failure of the steel beam plastic hinge, which conforms to the seismic conceptual design principle of “strong column and weak beam”. The hysteresis curve of the specimen is relatively full, and the equivalent viscous damping coefficient is higher than that of ordinary reinforced concrete joints, showing better ductility and energy dissipation capacity. On the basis of experiments, Combined with ABAQUS finite element software, the variables of five parameters including insert length of steel beam, width of steel beam end plate, height of beam, axial compression ratio and embedded carrier board are analyzed, and the influence of these factors on the seismic performance of joints is also researched. By the method of variable analysis, the optimum value of each parameter is provided, which provides a reference for joint design.
Study on seismic behavior of reinforced concrete column-steel beam side joints
In this paper, a steel beam insert RCS side joint specimen is designed, and the low-cycle reciprocating loading test has been studied by designing a similar form of side joint specimen. At the same time, the hysteretic curve, skeleton curve, ductility, energy consumption, stiffness, bearing capacity degradation, and other seismic performance indexes are studied. The test results show that the failure mode of the specimen under the low-cycle reciprocating loading is the failure of the steel beam plastic hinge, which conforms to the seismic conceptual design principle of “strong column and weak beam”. The hysteresis curve of the specimen is relatively full, and the equivalent viscous damping coefficient is higher than that of ordinary reinforced concrete joints, showing better ductility and energy dissipation capacity. On the basis of experiments, Combined with ABAQUS finite element software, the variables of five parameters including insert length of steel beam, width of steel beam end plate, height of beam, axial compression ratio and embedded carrier board are analyzed, and the influence of these factors on the seismic performance of joints is also researched. By the method of variable analysis, the optimum value of each parameter is provided, which provides a reference for joint design.
Study on seismic behavior of reinforced concrete column-steel beam side joints
Yuhong Ling (author) / Wenli Zheng (author) / Yi Li (author) / Lianjiang Zhou (author) / Jing Zhou (author)
2020
Article (Journal)
Electronic Resource
Unknown
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Study on seismic behavior of reinforced concrete column-steel beam side joints
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