微孔混凝土基本力学性能试验研究  

Experimental study on mechanical properties of ceramsite cellular concrete

作　　者：任晓光 石云兴[2] 屈铁军[1] 王庆轩[2] 安栋[1] REN Xiaoguang;SHI Yunxing;QU Tiejun;WANG Qingxuan;AN Dong(College of Civil Engineering,North China University of Technology,Beijing 100041,China;China State Construction Engineering Corporation Technology Centre,Beijing 101300,China)

机构地区：[1]北方工业大学土木工程学院,北京100041 [2]中国建筑工程总公司技术中心,北京101300

出　　处：《混凝土》2018年第6期43-46,共4页Concrete

摘　　要：研究了以球形与柱形两种黏土陶粒为粗骨料的微孔混凝土的基本力学性能,讨论了表观密度与各力学性能的相关性,分析了轴心抗压强度、抗拉等强度性能、变形性能与立方体抗压强度的量化关系。试验结果表明,微孔混凝土表观密度在600~1 200 kg/m^3时,拉压比为7%~15%,折压比为5%~13%,弹性模量为6×10~2~7.5×10~3 MPa,泊松比为0.18~0.31;在本试验条件下,以球形黏土陶粒为粗骨料的混凝土的力学性能优于使用柱形陶粒的情况。The basic mechanical properties of ceramsite cellular concrete（CCC）with spherical and cylindrical ceramsite as coarseaggregate were studied respectively, and the relationship between apparent density and mechanical properties is discussed, the quantitativerelationship between axial compressive strength, tensile strength, deformation properties and cube compressive strength was analyzed aswell.The results show that the apparent density of CCC is from 600 kg/m3to 1 200 kg/m3, the compressive and hydraulic ratio is 7%-15%,the flexural ratio is 5%~13%, the elastic modulus is6 伊102~7.5 伊103N/mm2and Poisson忆 s ratio is 0.18~0.31.Under this experimentalcondition, CCC with spherical aggregate is superior to that with the cylindrical ceramsite in mechanical performance.

关 键 词：微孔混凝土 表观密度 陶粒粒形 力学性能 曲线拟合 

分 类 号：TU528.01[建筑科学—建筑技术科学]