C80高性能硅粉混凝土配合比设计及工程应用  

Mix design and engineering application of C80 high-performance silicon fume concrete

作　　者：张善德[1] 侍克斌[1] 俞伟[1,2] 努尔开力.依孜特罗甫 

机构地区：[1]新疆农业大学水利与土木工程学院,新疆乌鲁木齐830052 [2]新疆呼图壁河流域管理处,新疆呼图壁831200

出　　处：《水资源与水工程学报》2011年第2期91-93,共3页Journal of Water Resources and Water Engineering

基　　金：国家自然科学基金项目(50969010);新疆水利水电工程重点学科基金项目(XJZDXK-2002-10-05);国家博士点立项科研基金项目(20080758007)

摘　　要：为解决C80混凝土大面积浇注开裂问题,通过配比试验对C80高性能混凝土的工作特性进行了研究,取得了满足工程设计和施工工艺要求的C80混凝土配合比,并在呼图壁青年渠首改造工程中得到了应用。研究表明:C80混凝土优异的工作性能是保证工闸底板混凝土施工质量的关键,优质的活性细掺合料对于优化C80高性能混凝土的工作性能、降低水化热、防止裂缝发生、提高耐久性及力学性能发挥着重要作用。In order to solve the cracking problem of large area of high-performance concrete especially in the floor of sluice,this paper studied the working characteristics of C80 high-performance concrete by mixture trail,and then gained the mixture proportion which satisfied the request of engineering design and construction technics,and successfully applied in the head of young ditch of Hutubi-river reconstruction engineering.The study indicates that the excellent working characteristic of C80 high-performance concrete is the key to the quality of the Steep bottom of pour gate,and admixture dosage with high quality plays a very important role in optimizing working characteristic,debasing heat of hydration,preventing crevice,and enhancing durability and mechanical property of C80 high-performance.

关 键 词：高性能混凝土 混凝土配合比 施工 

分 类 号：TV431[水利工程—水工结构工程]