摘要
运用SOLID65单元分别模拟砖砌块和砂浆,运用Contact174和Targe169接触对单元模拟这两种材料间在不同剪压受力状态下的非线性接触特性,得出了与试验结果基本一致的剪压破坏形态和相关曲线.同时,程序计算也验证了普通砖砌体结构在压应力不断增大的条件下,其剪压复合破坏形态依次为:滑移破坏、剪压破坏、斜压破坏.
By using SOLID65 element to simulate brick and mortar and using contact pair of Contact174 and Targe169 elements to simulate nonlinear contact performance under shear-compression loading, the paper obtains a calculating curve and failure criteria for masonry structure accorded with tests. Results of analysis are testified that along with increasing compressive stresses, the failure criteria of masonry structure under combined shear and compression are as follows: (a) failure of the bend joints by frictions (b) failure of masonry as a result of exceeding the tensile strength of masonry unit ; and (c) failure of masonry as ; result of exceeding the compressive strength of masonry unit.
出处
《中南林业科技大学学报》
CAS
CSCD
北大核心
2009年第3期180-183,共4页
Journal of Central South University of Forestry & Technology
基金
"中南林业科技大学流变力学与材料工程研究所"开放课题资助课题(编号08RM03)
关键词
土木建筑
砖砌体结构
非线性模拟
剪压相关性
civil cons truction
non-linear simulation
correlation of shear and compression
brick masonry