Electrical Measurement to Assess Hydration Process and the Porosity Formation  

作　　者：魏小胜 

机构地区：[1]Department of Civil Engineering, Huazhong University of Science and Technology

出　　处：《Journal of Wuhan University of Technology(Materials Science)》2008年第5期761-766,共6页武汉理工大学学报（材料科学英文版）

基　　金：the National Natural Science Foundation of China (No. 50778078)

摘　　要：The change of electrical resistivity with time at early ages was used to investigate the hydration process and the porosity development. Porosity reduction process of cement-based materials hydration was developed by a proposed method. The porosity reduction is fast at the setting period. The results find that the pore discontinuity occurs faster at lower water/cement ratios than at higher water/cement ratios which is similar to the results of the Percolation method.The change of electrical resistivity with time at early ages was used to investigate the hydration process and the porosity development. Porosity reduction process of cement-based materials hydration was developed by a proposed method. The porosity reduction is fast at the setting period. The results find that the pore discontinuity occurs faster at lower water/cement ratios than at higher water/cement ratios which is similar to the results of the Percolation method.

关 键 词：electrical resistivity HYDRATION setting time PERCOLATION 

分 类 号：TU525[建筑科学—建筑技术科学]