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纤维布加固砖砌体墙平面内受力性能有限元模型 被引量:21

FINITE ELEMENT MODELLING OF FRP-REINFORCED MASONRY WALLS UNDER IN-PLANE LOADINGS
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摘要 考虑一顺一丁的砌筑形式,针对纤维布加固前后砖砌体墙的特点,利用ABAQUS提供的零厚度粘结单元,建立纤维布加固砖砌体墙有限元分离模型,通过前期拟静力试验数据和相关规范公式计算结果,验证所建模型在单调荷载和往复荷载作用下的适用性。结果表明,有限元模型能有效模拟纤维布加固砖砌体墙的抗震性能,分析纤维布的加固效果,计算纤维布加固前后砖砌体墙在单调荷载作用下的受剪承载力。 In an attempt to capture the features of the masonry walls before and after reinforcement, the finite element meso-scale models of the FRP-reinforced masonry walls with flemish bond are constructed using zero-thickness cohesive elements in ABAQUS. The responses of the finite element models are validated with the experimental results of the cyclic tests and the analytical results of the relative codes for monotonic cases. The results show that the finite element models are capable of simulating the seismic performance of the FRP-reinforced masonry walls accurately, analyzing the effect of FRP reinforcement and calculating the shear bearing capacity of the unreinforced and FRP-reinforced masonry walls under monotonic loadings.
出处 《工程力学》 EI CSCD 北大核心 2015年第12期233-242,共10页 Engineering Mechanics
基金 国家住房和城乡建设部<纤维片材加固砌体结构技术规范>试验项目(2010-1-154) 中央高校基本科研业务费专项资金项目(2012210020205)
关键词 砌体结构 纤维布 有限元模型 界面单元 抗震性能 受剪承载力 masonry structure FRP FEM interface element seismic performance shear bearing capacity
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参考文献29

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