自密实高性能混凝土的配合比优化及工程应用
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摘要
针对自密实混凝土的配合比优化进行了系列试验,在实现混凝土靠自重免振捣成型的情况下,降低胶结料用量、降低砂率以提高混凝土体积稳定性,同时有效降低了工程造价.介绍了自密实高性能混凝土在33层高层建筑加固工程中的应用实例,总结了工程应用方面的经验.
The paper presented a series test for optimizing SCC mixture. At realization of concrete being able to fill mold by self-gravity without vibration, the volume of binders and sand-aggregation ratio were decreased to secure volume stability, and then the cost of engineering also was effectively decreased. Application of SCC to 33-storeys reinforcing engineering was presented, and the experience of application of SCC to engineering was summarized.
引文
[1] 郑建岚.自密实高性能混凝土及其配筋结构的安全性能研究[J].工程力学,2002(增刊):139-162.
    [2] 郑建岚,黄鹏飞.自密实高性能混凝土框架结构抗震性能试验研究[J].地震工程与工程振动,2001,21(3):79-84.
    [3] 中国土木工程学会高强混凝土委员会.高强混凝土结构设计与施工指南[M].北京:中国建筑工业出版社,2001.

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