Electrically Conductive Concrete for Heating Using Steel Bars as Electrodes  

作　　者：侯作富 

机构地区：[1]School of Mechanical Engineering,Yangtze University

出　　处：《Journal of Wuhan University of Technology(Materials Science)》2010年第3期523-526,共4页武汉理工大学学报（材料科学英文版）

基　　金：Funded by the National Natural Science Foundation of China (No.50878170,10672128);Program of Hubei Provincial Department of Education(No.D20101301)

摘　　要：The steel bars with good electrical conductivity were used as two kinds of electrodes in the making of carbon fiber（CF） electrically conductive concrete for heating.The results of the pertinent experiments illustrate the design is viable.The change in electrical resistivity over three years＇ hydration time was studied when steel bars were used as lateral face electrodes and top bottom surface electrodes respectively.The temperature rise test was conducted to verify the heating properties of two kinds of concrete.Not only the study can reduce the CF volume content of electrically conductive concrete for heating to 0.58% or 0.36% according to different design,but also it will enhance the carrying capacity of the concrete roadway for heating.The steel bars with good electrical conductivity were used as two kinds of electrodes in the making of carbon fiber（CF） electrically conductive concrete for heating.The results of the pertinent experiments illustrate the design is viable.The change in electrical resistivity over three years＇ hydration time was studied when steel bars were used as lateral face electrodes and top bottom surface electrodes respectively.The temperature rise test was conducted to verify the heating properties of two kinds of concrete.Not only the study can reduce the CF volume content of electrically conductive concrete for heating to 0.58% or 0.36% according to different design,but also it will enhance the carrying capacity of the concrete roadway for heating.

关 键 词：steel bar carbon fiber electrical resistivity temperature rise 

分 类 号：TU528[建筑科学—建筑技术科学]