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三峡工程二期围堰防渗墙塑性混凝土特性
引用本文:王迎春,李家正,朱冠美,周守贤.三峡工程二期围堰防渗墙塑性混凝土特性[J].长江科学院院报,2001,18(1):31-34.
作者姓名:王迎春  李家正  朱冠美  周守贤
作者单位:1.长江科学院 大坝安全监测研究所,湖北武汉430010; 2.北京勘测设计 研究院,北京 100024
摘    要:  根据三峡工程二期围堰结构要求,提出了防渗墙墙体材料的技术指标。通过墙体材料筛选优 化,推荐的塑性混凝土具有能适应堰体要求的各种性能。并对塑性混凝土进行了三轴测试和 应 力 应变计算分析以及现场监测,结果表明其性能达到了设计要求。经过一年多的运行考验, 塑性混凝土防渗墙是安全的。

关 键 词:三峡二期围堰  防渗墙  塑性混凝土  应力应变分析
文章编号:1001-5485(2001)01-0031-03

Characterisitics of plastic concrete for impervious core wall of TGP cofferdam Ⅱ
WANG Ying-chun,LI Jia-zheng,ZHU Guan-mei,ZHOU Shou-xian.Characterisitics of plastic concrete for impervious core wall of TGP cofferdam Ⅱ[J].Journal of Yangtze River Scientific Research Institute,2001,18(1):31-34.
Authors:WANG Ying-chun  LI Jia-zheng  ZHU Guan-mei  ZHOU Shou-xian
Abstract:According to structural features of Three Gorges Project(TGP) cofferdam Ⅱ,technical indices of materials used for impervious core wall are presented. Through selecting and optimizing,the mix proportion of plastic concrete for core wall was recommended.Triaxial shear tests and stress-strain behaviour analysis were carried out on this material.In addition,laboratory study and in-situ monitoring results concluded that the properties of plastic concrete achieved all design requirements.Normal operation over one year proved the plastic concrete cut-off wall being safe.
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