泵送混凝土原材料组成对其性能影响的研究进展  

Research progress of the influence of pumping concrete raw materials on its performance

作　　者：李悦[1] 梅期威 于鹏超[1] LI Yue;MEI Qiwei;YU Pengchao(The Key Laboratory of Urban Security and Disaster Engineering,MOE,Beijing Key Lab of Earthquake Engineering and Structural Retrofit,Beijing University of Technolog)

机构地区：[1]北京工业大学城市与工程安全减灾教育部重点实验室工程抗震与结构诊治北京市重点实验室,北京100124

出　　处：《混凝土》2018年第7期93-96,共4页Concrete

基　　金：国家重点研发计划资助-高抗裂预拌混凝土关键材料及制备技术(2017YFB0310100);北京市属高等学校高层次人才引进与培养计划项目(CIT&TCD20150310)

摘　　要：随着泵送混凝土在建筑领域的广泛应用,混凝土如何在达到规定强度和黏聚性的同时,又具有更好的流动性和可泵性,是目前泵送混凝土领域的研究热门。综述了国内外在该领域已有的研究成果,介绍了泵送混凝土的工作性能、力学性能、收缩开裂性能和耐久性能,提出了今后的研究方向,为今后的研究和发展提供了指导和借鉴意义。With the widely use of pumping concrete,it is a popular research in the field of concrete to study how to achieve better mobility and pump at the condition of specified strength and cohesiveness.The domestic and foreign research achievements have been summarized in the field,including the work performance,mechanical properties,shrinkage and cracking performance and durability of pumping concrete.And the further research direction has been proposed,providing guidance and reference significance for the research and development.

关 键 词：泵送混凝土 工作性能 力学性能 收缩开裂 耐久性能 

分 类 号：TU528.53[建筑科学—建筑技术科学]