建筑结构学报2026,Vol.47Issue(7):58-67,10.DOI:10.14006/j.jzjgxb.2025.0396
基于三维数字图像相关技术测量的框架填充墙平面外受力性能研究
Out-of-plane mechanical performance of frame infill walls based on measurements by three-dimensional digital image correlation technique
摘要
Abstract
Out-of-plane(OOP)loading tests were conducted on six full-scale frame infill wall specimens to investigate the effects of the height-to-thickness ratio,block type,and openings of infill walls on their OOP performance.Three-dimensional digital image correlation(DIC)was employed to measure the strain and displacement fields of the infilled walls.The results indicate that the height-to-thickness ratio and block type significantly influence the OOP mechanical behavior of frame infill walls.For aerated concrete infill walls,the initial stiffness and peak load of the specimen with a height-to-thickness ratio of 30 are only 39%and 24%of those of the specimen with a ratio of 15,respectively.The initial stiffness and peak load of aerated concrete wall specimens are only 34%and 31%of those of clay brick wall specimens,respectively.The displacement field test results reveal that the deformation surface of the aerated concrete wall specimen with a height-to-thickness ratio of 15 exhibits a frustum shape,whereas the specimen with a ratio of 30 presents a parabolic shape;in contrast,the clay brick wall specimen exhibits a pyramidal shape.The three-directional strain field test results reveal that during loading,the contributions of the horizontal and vertical load-transfer in the infill walls decrease,while that of the diagonal mechanism increases correspondingly,indicating distinct stress redistribution characteristics.Notably,the diagonal load-transfer mechanism of the clay brick infill walls remains effective even after the horizontal and vertical mechanisms have gradually ceased functioning.关键词
框架填充墙/静力试验/数字图像相关技术/应变场/平面外受力性能Key words
frame infill walls/static test/digital image correlation technique/strain field/out-of-plane mechanical performance分类
建筑与水利引用本文复制引用
谢鑫尧,郭子雄,BASHA Syed Humayun..基于三维数字图像相关技术测量的框架填充墙平面外受力性能研究[J].建筑结构学报,2026,47(7):58-67,10.基金项目
国家自然科学基金项目(52178485),国家自然科学基金外国学者研究基金项目(52350410467). (52178485)