T形预制装配式剪力墙抗震性能数值模拟
首发时间:2015-06-17
摘要:本文采用ABAQUS建立了精细的有限元分析模型,模拟了预制装配式T形剪力墙的拟静力试验过程。计算得到的滞回曲线、骨架曲线和刚度退化过程曲线均与试验结果吻合较好。在此基础上进行了参数分析,考虑轴压比、连接钢筋直径、混凝土强度等级、边缘构件纵筋和配箍等参数的影响,给出了该类剪力墙的实际工程设计建议参数。本文研究表明该类预制装配式剪力墙具有较好的承载力和变形能力,本文提出的建模方法可以较好地模拟预制装配式剪力墙的抗震性能。
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Numerical Analysis on Seismic Performance of T-section Prefabricated Concrete Shear Wall
Abstract:In this paper, an elaborated finite element model is established based on ABAQUS, and the pseudo-static cyclic test process on T-shape prefabricated concrete shear wall specimen is simulated. The simulation results, including hysteresis curve, skeleton curve and stiffness degradation curve fit well with corresponding test results. Further, parameter analysis is conducted considering axial compression ratio, diameter of connecting rebar, strength of concrete, longitudinal rebar and stirrup of boundary element, and some parameters are proposed for engineering design. The research results indicate that this kind of prefabricated concrete shear wall is of high bearing capacity and deformability, and the seismic performance can be properly simulated by the modeling method proposed in this paper.
Keywords: structrual engineering shear wall prefabricated structure finite element
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No.4646079106074914****
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