粉煤灰综合利用 2011NO.2 FLY ASH COMPREHENSIVE UTILIZATION 程 C80高性能混凝土工作特性及工程应用* Characteristics and Application of C80 High Performance Concrete 张善德，侍克斌，俞伟2，努尔开力依孜特罗甫 (1.新疆农业大学水利与土木工程学院，830052乌鲁木齐；2.新疆呼图壁河流域管理处，831200呼图壁) 摘要：为解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混凝七配合比，并在呼图壁肯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C0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. 关键词：高性能混凝土：混凝土配合比：施工 中图分类号：TU528.31 文献标识码：A 文章编号：1005-8249(2011)02-0040-04 Zhang Shande Shi Kebin Yu Wei NuerkailiYiziteluopu (1 College of Hydraulic and Civil Engineering of Xingjiang Agriculture University Urumqi 830052 China. 2.The Administration Bureau of Hutubi-river Drainage Areas in Xinjiang Hutubi 831200.China) Abstract:In order to treat large area of eracking of high-performance conerete this paper studied the working characteristics of C80 high-performance concrete by mixture experiment and gained the mixture proportion which satisfied the request of engineering design and construetion technique and applied in the reconstruction of Young ditch of Hutubi-river.The study indicated that the excellent working characteristics of C80 concrete were the key to the quality of the steep bottom of pouring gate.and admixture dosages with high quality were very important to optimize working characteristic debase heat of hydration prevent erevice and enhance the lasting quality and mechanical property of C80 high-performance coneret. Key words:high-performance conerete;conerete ...
C80高性能混凝土工作特性及工程应用.pdf
