光纤应变传感器监测塑性混凝土防渗心墙分析  

Analysis of Monitoring Plastic Concrete Cutoff Wall with Optical Fibre Strain Sensor

作　　者：蔡顺德[1] 张强林[1] 蔡德所[1] 

机构地区：[1]三峡大学土木水电学院,湖北宜昌443002

出　　处：《三峡大学学报（自然科学版）》2003年第5期395-399,共5页Journal of China Three Gorges University：Natural Sciences

基　　金：国家自然科学基金(59879002);国家电力公司重大项目(SPKJ007-09)

摘　　要：塑性混凝土与砂石地基结合性好,弹性模量低,用作防渗墙具有较好的变形性能。为了监测防渗心墙塑性变形的安全性,在广西小江水库首次运用光纤应变计进行塑性混凝土心墙的应力应变测试,初步取得了在埋设工艺和分析研究变形性能等方面的经验。For plastic concrete,due to its stronger adherence to sand and stone base and its lower elastic modulus, and its better deformation performance,it is used in cutoff wall. In order to monitor the plastic deformation security of the cutoff wall, a test was carried out for the first time in Xiaojiang reservoir of Guangxi Autonomous Region,the strain and stress of the cutoff wall were measured with optical fibre gauge. And some precious experiences were attained in the optical fibre layout method and the analysis of deformation performance of plastic concrete.

关 键 词：塑性混凝土 防渗心墙 光纤应变计 应力变形 砂石地基 弹性模量 

分 类 号：TV543.8[水利工程—水利水电工程]