采用ASTM C1202-93分析混凝土的防蚀性能

电化学（中英文） ›› 2005, Vol. 11 ›› Issue (3): 277-283.

采用ASTM C1202-93分析混凝土的防蚀性能

湛渊源,杜宗岳,黄兆龙

华夏技术学院建筑系,德霖技术学院土木系,台湾科技大学营建系台湾 ,台湾,台湾科技大学营建系台湾 ,台湾

收稿日期:2005-08-28 修回日期:2005-08-28 出版日期:2005-08-28 发布日期:2005-08-28

The Application of ASTM C1202-93 on Evaluating the Performance of Anti-Corrosion of Concrete

Yuan Yuan Chen~

(*1), Tsung-Yueh Tu~(2), Chao-Lung Hwang~(3)(1.Hwa-Sha Institute of Commerce and Technology,Taiwan,China,2.Der-Lin Institute of Technology,Taiwan,China,3.National Taiwan University of Science and Technology (NTUST), Taiwan,China

Received:2005-08-28 Revised:2005-08-28 Published:2005-08-28 Online:2005-08-28

摘要/Abstract

摘要： 应用ASTM C1202-93氯离子电渗法研究混凝土的防蚀性能,透过“致密配比法”及AC I 318-89设计与拌制混凝土,硬固后过91 d量测6 h的电量(Cou lombs).结果显示AC I配比法没因有添加卜作岚材料而使拌和水量太多,无论何种水胶比,电渗量都大于2 000 C,甚至高达10 000 C以上.“致密配比法”设计之混凝土,随着水泥浆量(Vp)少,而拌和水量(W)愈低,添加适量的卜作岚材料及低水胶比的氯离子,电渗量均小于2 000 C,甚至低于1 000 C以下,呈现出优异的防蚀耐久性.

关键词: ASTMC1202-93, 氯离子电渗, 致密配比法, 耐久性

Abstract: The test of chloride ion penetration based on the standards of ASTM C1202-93 is applied to evaluate the anti-corrosion performance of concrete in this research. Concrete specimens were produced according to ACI 318-89 mixture proportioning design and the Desenfied Mixture Design Algorithm (DMDA) and were measured the 6-hour coulombs at the age of 91 days. Results show that w/b is not the factor influencing chloride penetration of ACI concrete, as the ion penetration of ACI specimens is all higher than 2 000 Coulombs and can even be poorer than 10 000 Coulombs. With a proper amount of pozzolanic material, the anti-corrosion performance of DMDA concrete is proportioning to the paste amount and the water content. In short, DMDA concrete can show the excellent durability as a result of the chloride ion penetration are all less than 1 000 Coulumbs.

Key words: ASTM C1202-93, Chloride ion penetration, DMDA, Durability

中图分类号:

TG174

湛渊源,杜宗岳,黄兆龙. 采用ASTM C1202-93分析混凝土的防蚀性能[J]. 电化学（中英文）, 2005, 11(3): 277-283.

Yuan Yuan Chen~. The Application of ASTM C1202-93 on Evaluating the Performance of Anti-Corrosion of Concrete[J]. Journal of Electrochemistry, 2005, 11(3): 277-283.

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