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| The Electrical Resistivity of Cement Paste Incorporated with Retarder | |
| 引用本文： | 李宗津. The Electrical Resistivity of Cement Paste Incorporated with Retarder[J]. 武汉理工大学学报(材料科学英文版), 2003, 18(3): 76-78. DOI: 10.1007/BF02838466 |
| 作者姓名： | 李宗津 |
| 作者单位： | Department of |
| 基金项目： | HongKongGrantCouncil (HKUST6 2 2 6 0 1E) |
| 摘 要： | 1 IntroductionThefunctionoftheretarderistooffsetthesettingtimeofcement basedmaterials .Thus ,itdelaysboththeinitialsettingandfinalsetting .Thecommonmethodtode terminethesettingtimesadoptsthepenetrationresis tance .Theindirectmethodistousetheelectricalresis tivity[1,2 ] tomeasurecementhydrationcurveandthentocomparewiththesettingtime .Previousresearchersusedtheelectrodestomeasuretheelectricalresistivitythatwillcausethecontactproblemsbetweenthecement basedma terialsandelectrodes .Inthispaper ,a… |
| 收稿时间： | 2002-10-17 |
| 修稿时间： | 2003-05-25 |
The electrical resistivity of cement paste incorporated with retarder |
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| Li Zong-jin,Wei Xiao-sheng. The electrical resistivity of cement paste incorporated with retarder[J]. Journal of Wuhan University of Technology. Materials Science Edition, 2003, 18(3): 76-78. DOI: 10.1007/BF02838466 | |
| Authors: | Li Zong-jin Wei Xiao-sheng |
| Affiliation: | LI Zong jin WEI Xiao sheng The Hong Kong University of Science & Technology |
| Abstract: | A non contacting electrical resistivity measurement device was used for measuring the electrical resistivity of cement paste incorporated with retarder.The hydration process was divided into dissolving period,setting period,hardening period.With the increase of the retarder,the dissolution time will increase.The setting time happens between minimum point time and inflexion point time based on the electrical resistivity curve.The strength isoline was proposed to predict the strength trend. |
| Keywords: | electrical resistivity non contacting setting time retarder strength isoline |
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