自密实砂浆工作性测试方法研究  

Research on the Testing Method of Workability of Self Compacting Mortar

作　　者：赵庆新[1] 杜艳廷[1] 李春雨[1] 张永建[1] 

机构地区：[1]燕山大学建筑工程与力学学院,秦皇岛066004

出　　处：《武汉理工大学学报》2009年第7期9-11,30,共4页Journal of Wuhan University of Technology

摘　　要：为了测试自密实砂浆的工作性,提出了一种"沉球"试验方法,并通过试验优化了"沉球"的质量与砂浆容器的大小。通过对比分析25.9 g钢球在不同自密实能力的新拌砂浆中下沉的时程曲线发现:曲线的时长能反映砂浆的流动性,曲线的斜率变化能够反映砂浆的均匀性,曲线的积分面积能够综合反映砂浆的自密实能力。As a new method for workability of self-compacting mortar （SCM）, the testing method of ‘ sinking ball＇ was put forward. The mass of ‘ sinking ball＇ and the volume of container for mortar were optimized by experiments. A serials ‘ sinking ball＇ experiments were carried out based on the same mass ‘ sinking bail＇ of 25.9 g and mortars with different self-compacting ability. Results indicate that the time of curve reflect the flow ability of SCM, the slope changing of curve indicate the anti-segregate ability of SCM, the integral area of curve has great rdation with sdf-compacting ability of SCM.

关 键 词：自密实砂浆 工作性 测试方法 

分 类 号：TU528.01[建筑科学—建筑技术科学]