基于纤维模型的型钢混凝土组合剪力墙滞回性能分析

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (6) : 30-35.

论文

为更深入研究型钢混凝土剪力墙的抗震性能，在已有该类剪力墙滞回性能试验结果基础上，采用OpenSees软件中非线性纤维梁-柱单元进行低周往复加载的数值模拟，通过直接在截面层次定义非线性剪切恢复力方法模拟纤维截面的抗剪。计算结果与试验结果总体吻合较好，表明该纤维模型法能较好模拟型钢混凝土剪力墙的抗剪承载力、捏缩效应及刚度退化。该方法可为此类结构体系的弹塑性分析提供参考。

作者信息 +

Anslysis on hysteretic behavior of steel reinforced concrete composite shear walls based on fiber model

Steel reinforced concrete (SRC) composite shear walls are typical structural components to resist the lateral loading in many high-rise and super high-rise buildings because of their excellent seismic behavior. In order to study the seismic performance of those structures, Open System for Earthquake Engineering Simulation (OpenSees) software was used to simulate the hysteretic behavior of the composite shear walls under low cyclic loading with nonlinear beam-column fiber element base on the other researchers’ experiments. The shear behavior of fiber sections was simulated by the nonlinear shear restoring force relationship in the section level. It is shown that the numerical results are in good agreement with the experimental results, and the fiber model considering the shear effect can predict the maximum shear force, pinch effect and stiffness degradation of SRC composite shear walls effectively. The proposed method in this paper can be refered to further elastic-plastic analysis on this type of structures.

Author information +

文章历史 +

摘要

为更深入研究型钢混凝土剪力墙的抗震性能，在已有该类剪力墙滞回性能试验结果基础上，采用OpenSees软件中非线性纤维梁-柱单元进行低周往复加载的数值模拟，通过直接在截面层次定义非线性剪切恢复力方法模拟纤维截面的抗剪。计算结果与试验结果总体吻合较好，表明该纤维模型法能较好模拟型钢混凝土剪力墙的抗剪承载力、捏缩效应及刚度退化。该方法可为此类结构体系的弹塑性分析提供参考。

Abstract

Steel reinforced concrete (SRC) composite shear walls are typical structural components to resist the lateral loading in many high-rise and super high-rise buildings because of their excellent seismic behavior. In order to study the seismic performance of those structures, Open System for Earthquake Engineering Simulation (OpenSees) software was used to simulate the hysteretic behavior of the composite shear walls under low cyclic loading with nonlinear beam-column fiber element base on the other researchers’ experiments. The shear behavior of fiber sections was simulated by the nonlinear shear restoring force relationship in the section level. It is shown that the numerical results are in good agreement with the experimental results, and the fiber model considering the shear effect can predict the maximum shear force, pinch effect and stiffness degradation of SRC composite shear walls effectively. The proposed method in this paper can be refered to further elastic-plastic analysis on this type of structures.

导出引用

王文达，魏国强. 基于纤维模型的型钢混凝土组合剪力墙滞回性能分析[J]. 振动与冲击, 2015, 34(6): 30-35

WANG Wen-da，WEI Guo-qiang. Anslysis on hysteretic behavior of steel reinforced concrete composite shear walls based on fiber model[J]. Journal of Vibration and Shock, 2015, 34(6): 30-35

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