新型混凝土横孔空心砌块砌体受剪性能研究  

Research on shear behavior of a new type of concrete horizontal-hole hollow block masonry

作　　者：吴方伯[1] 陈伟[1] 周绪红[1,2] 黄海林[1] 

机构地区：[1]湖南大学土木工程学院,长沙410082 [2]兰州大学土木工程与力学学院,兰州730000

出　　处：《建筑结构》2011年第10期126-129,共4页Building Structure

基　　金：国家自然科学基金(50978090);国家"十一五"科技支撑计划(2006BAJ02B07)

摘　　要：针对普通混凝土竖孔空心砌块存在的热、渗、裂等问题,提出并研究了一种新型混凝土横孔空心砌块。通过对3组(共18个)这种新型混凝土横孔砌块填充砌体和4组(共24个)承重砌体的受剪性能试验研究,了解了这种新型横孔砌块砌体的变形特征及破坏机理。基于试验结果并参考现行国家规范,分别提出了这种新型横孔砌块填充和承重砌体的受剪强度计算方法。结果对比表明,提出的计算方法与试验值吻合良好。解决了新型横孔砌块受剪强度设计问题,为新型横孔砌块的工程应用和研究提供了依据。There are many problems in the engineering application of concrete vertical-hole hollow block masonry,for instance,poor thermal insulation,seepage and crack.To solve these problems,a new type of concrete horizontal-hole hollow block masonry was developed.Seven groups with 42 shear specimens of the new type of masonry filler and bearing wall were tested,and the deformation characteristic and failure mechanism of the new type of block masonry were obtained.Based on the experimental results and the current standards,the new shear strength formulas were proposed.The calculated results agree well with tested results.The significance of this study is to implement the shear strength design for the new type of masonry and provide a basis to theory research and engineering application.

关 键 词：横孔 空心砌块 受剪性能 计算方法 工程应用 

分 类 号：TU311.4[建筑科学—结构工程] TU317.1