自密实自防水高性能混凝土应用研究  

Application research on self-compacting and self-water proofing high-performance concrete

作　　者：王硕太[1] 朱仁兴[2] 许永坤[2] 迟维胜[1] 

机构地区：[1]空军工程大学工程学院,陕西西安710038 [2]空军第一空防工程处,北京100089

出　　处：《新型建筑材料》2007年第10期1-4,共4页New Building Materials

摘　　要：针对某地下工程需配制C30～C60泵送免振捣自密实混凝土的设计目标,采用掺优质粉煤灰、膨胀剂和高效减水剂的技术路线,优化配合比设计,配制出坍落扩展度达650～700 mm的具有高流动性、高抗离析性和自填充性、高抗渗性能的高性能混凝土,满足地下工程结构自密实自防水的设计使用要求。Aiming at design of underground project require C30-C60 pumping self-compacting and self-water proofing concrete, adopted technical line of mixing high quality fly ash, expansion admixture and high efficiency water-reducing agent, optimized mix design,and confected high-pefformanee concrete with slump flow up to 650-700 nun, good flowability, strong segregation resistance and self-filling ability and impermeability that meet the design and use requirement of underground project with self-compacting and self-water proofing structure.

关 键 词：地下工程 自密实混凝土 自防水 复合外掺剂 

分 类 号：TU528.32[建筑科学—建筑技术科学]