【摘要】 为了对砌体结构分离式有限元模型进行研究,在有限元软件ANSYS中,建立了考虑砂浆与砖块之间黏结作用和剪切滑移作用的三维有限元模型。由于砖与砂浆之间的黏结滑移关系目前研究尚不成熟,提出了一种黏结滑移关系曲线。以双剪面单砖砌体试验数据为目标函数,提出一种改进遗传算法,通过ANSYS软件的APDL语言编制反演分析程序,在ANSYS中实现黏结滑移关系曲线的参数反演。研究结果表明,该有限元模型及反演得到的计算参数,可用于砌体结构的有限元分析。更多还原

【Abstract】 In order to study the micro-model of masonry structure,a micro-model of brick masonry under bi-direction shear forces considering the bond strength and shear slippage between the brick and mortar is established.At present,the research on bond-slip relationship between brick and mortar is insufficient.A bond-slip relationship curve is presented.Through the improved genetic algorithm presented in this paper,and taking the test results of the brick masonry under bi-direction shear forces as the reversion objective,parameter inversion is carried out in ANSYS using ANSYS parametric design language.The micro-model and the inverse parameter can be used for the finite element analysis of masonry walls.更多还原