煤矸石多孔砖砌体基本力学性能试验  

Experimental Study on Basic Mechanical Properties of Coal Gangue Perorated Bricks Masonry

作　　者：赵成文[1] 周万昊[1] 高连玉[2] 

机构地区：[1]沈阳建筑大学土木工程学院,辽宁沈阳110168 [2]中国建筑东北设计研究院,辽宁沈阳110003

出　　处：《沈阳建筑大学学报（自然科学版）》2011年第1期23-28,共6页Journal of Shenyang Jianzhu University：Natural Science

基　　金：住房和城乡建设部基金项目(2006-12-05)

摘　　要：目的为编制墙体材料应用统一技术规范,进行烧结煤矸石多孔砖砌体基本力学性能试验研究.方法按照砌体基本力学性能标准试验方法,对2组试件分别进行了煤矸石多孔砖砌体通缝抗剪和轴心抗压试验,分析砌体试件在整个过程中的受力性能和破坏机理.结果煤矸石多孔砖砌体受压时的开裂荷载为破坏荷载的73%~95%,开裂较晚.抗剪强度平均值为0.52 MPa,抗压强度平均值为6.62 MPa,二者均高于按规范计算的烧结多空砖强度平均值.结论煤矸石多孔砖砌体的抗剪破坏表现为单剪破坏,破坏为脆性且主要发生在砂浆层与块体的粘结面,破坏面较平整;试验中出现块体破坏形态,需进一步提高块体强度;弹性模量试验值均高于规范计算值,按规范计算是偏于安全的.The purposes of this paper are to compile the technology standards of national wall materials,and the standard for test methods of basic mechanical properties of coal gangue perorated bricks specimens is adopted.According to the basic mechanical performance standards masonry of test methods,two groups of specimens were studied respectively on shear specimens of behavior of coal gangue perorated bricks masonry and compressive strength of coal gangue perorated bricks masonry,analyzing the bearing performance ...

关 键 词：煤矸石多孔砖 抗剪强度 销键作用 抗压强度 弹性模量 

分 类 号：TU364[建筑科学—结构工程]