再生混凝土横孔空心砌块墙体局部受压性能试验研究  

Study on local compressive performance of recycled concrete hollow block wall with cross holes

作　　者：陈伟 刘蜜 张明亮 吴方伯[3] 周绪红[4] CHEN Wei;LIU Mi;ZHANG Mingliang;WU Fangbo;ZHOU Xuhong(School of Civil Engineering,Changsha University of Science and Technology,Changsha 410114,China;Hunan Construction Engineering Group Co.Ltd.,Changsha 410029,China;School of Civil Engineering,Hunan University,Changsha 410082,China;School of Civil Engineering,Chongqing University,Chongqing 400044,China)

机构地区：[1]长沙理工大学土木工程学院,湖南长沙410114 [2]湖南建工集团有限公司,湖南长沙410029 [3]湖南大学土木工程学院,湖南长沙410082 [4]重庆大学土木工程学院,重庆400044

出　　处：《中南大学学报（自然科学版）》2021年第11期4063-4073,共11页Journal of Central South University:Science and Technology

基　　金：国家自然科学基金资助项目(51408063,51808054);湖南省教育厅优秀青年项目(20B031);湖南建工集团基础研究项目(JGJTK2018-004)。

摘　　要：为研究高厚比、局压面积和位置对再生混凝土横孔空心砌块墙体局部受压性能的影响,对8片局部受压墙体试件在竖向荷载作用下静力进行试验研究,得到再生混凝土横孔空心砌块墙体试件在局部均匀荷载作用下的破坏形态、变形特征及受压工作机理等。基于试验结果并参考现行国家规范,提出再生混凝土横孔空心砌块墙体局部受压强度计算方法。研究结果表明:本文提出的计算方法解决了再生混凝土横孔空心砌块砌体局部受压强度设计问题,可为局部均匀荷载作用下的再生混凝土横孔空心砌块砌体内力分析和有限元分析提供参考。In order to study the influence of height-to-thickness ratios, local compression areas and location on the uniform local compressive bearing capacity of recycled concrete hollow block wall with cross holes, static tests were carried out on 8 pieces of local compression wall specimens under vertical loads. The failure mode,deformation characteristics and compressive working mechanism of recycled concrete hollow block wall with cross holes under local uniform load were obtained. Based on the test results and the current national standards, a calculation method for the local compressive strength of the recycled concrete hollow block wall with cross holes was proposed. The results show that the calculation method in this paper solves the calculation problem of local compressive strength of recycled concrete hollow block wall with cross holes It provides important basis for internal force analysis and finite element analysis of recycled concrete hollow block wall with cross holes under local compressive condition.

关 键 词：再生混凝土 横孔空心砌块 局部受压 高厚比 局压面积 

分 类 号：TU317[建筑科学—结构工程] TU522.34