C25低强度自密实混凝土在水电站工程的应用研究  

Application Research on C25 Self-compacting Concrete with Low Strength in Hydropower Station Engineering

作　　者：何军拥[1] 田承宇 

机构地区：[1]广东工贸职业技术学院,广州510510 [2]中国水利水电第八工程局科研设计院,长沙410007

出　　处：《混凝土与水泥制品》2014年第7期25-28,共4页China Concrete and Cement Products

基　　金：广东省交通科技资助项目(项目编号:2013-02-020);中国电力建设股份有限公司资助项目

摘　　要：对C25水工自密实混凝土的工作性能、力学性能、干缩性能、自生体积变形性能及抗裂性能等进行了试验研究,并结合云南龙开口水电站工程实践进行了应用效果分析。研究结果表明,采用C25低强度等级的自密实混凝土,能有效提高水工混凝土结构的耐久性能,且其工作性能、力学性能均能满足工程设计要求。Experiments are conducted for the properties of C25 hydraulic self-compacting concrete, such as working performance, mechanical performance, dry shrinkage performance, deformation performance of its volume and anti-cracking ability, and the application effect is analyzed in combination with the engineering practice of Yunnan Longkaikou Hydropower Station. The results show that the use of self-compacting concrete with low strength grade of C25 can effectively improve the durability of hydraulic concrete structure, at the same time, the working performance and mechanical properties of C25 hydraulic self-compacting concrete can meet the requirement of engineering design.

关 键 词：自密实混凝土 水电站工程 耐久性能 

分 类 号：TV431[水利工程—水工结构工程]