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研究论文

采用ASTM C1202-93分析混凝土的防蚀性能

  • 湛渊源
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  • 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

  网络出版日期: 2005-08-28

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

  • Yuan Yuan Chen~
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  • (*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 date: 2005-08-28

  Revised date: 2005-08-28

  Online published: 2005-08-28

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.

本文引用格式

湛渊源 . 采用ASTM C1202-93分析混凝土的防蚀性能[J]. 电化学, 2005 , 11(3) : 277 -283 . DOI: 10.61558/2993-074X.1653

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.

参考文献

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