摘要
基于ABAQUS有限元软件对砌体试件抗剪性能试验进行有限元模拟分析,采用分离式建模方法,砌块用Drucker-Prager本构模型,砂浆用双线性本构模型,有效模拟了砌体结构的抗剪力学行为.以厦门鼓浪屿历史建筑砌体结构为工程背景,对多组试样双剪试验进行数值模拟,证明了有限元分析方法的有效性.同时,针对砂浆性能退化引起的历史建筑砌体结构安全性不足问题,在保证最小干预原则的前提下,研究了置换砂浆加固砌体结构的方法.试验和数值模拟对比分析结果可以为历史建筑砌体结构的加固和数值模拟提供一定的参考依据.
Based on ABAQUS finite element software,the shear performance test of masonry specimens is simulated and analyzed.And the separated modeling method is adopted.The Drucker-Prager constitutive model for bricks and the bilinear constitutive model for mortar are adopted to effectively simulate the shear behavior of masonry structures.Taking the masonry structure of Kulangsu historical buildings in Xiamen as the engineering background,we carry out numerical simulations of the double-shear test of multiple groups of samples and demonstrate the effectiveness of the finite element analysis method.For the purpose of investigating insufficient safety of the masonry structure in historical buildings caused by the degradation of mortar performance,the method of replacing mortar to reinforce masonry structure is studied on the premise of ensuring the principle of minimum intervention.The comparative analysis results of tests and numerical simulations can provide references for the reinforcement and finite element analysis of the masonry structure in historical buildings.
作者
张德宇
王新宇
施宵勇
石建光
古泉
ZHANG Deyu;WANG Xinyu;SHI Xiaoyong;SHI Jianguang;GU Quan(College of Architecture and Civil Engineering,Xiamen University,Xiamen 361005,China)
出处
《厦门大学学报（自然科学版）》
CAS
CSCD
北大核心
2021年第6期1077-1082,共6页
Journal of Xiamen University：Natural Science
基金
厦门市鼓浪屿万古山风景名胜区管委会科研项目(XDHT2017470A)。
关键词
历史建筑
置换砂浆
双剪试验
有限元分析
分离式模型
historical building
mortar replacement
double-shear test
finite element analysis
separate modeling
