由于水泥基材料中水泥的水化是经时变化的,因此测定了水化程度对硬化水泥浆体固化氯离子的影响,同时考察了pH值对固化氯离子的影响.结果表明,与用龄期表征水泥固化氯离子相比,用水化程度表征更准确.此外,随着pH值增大,固化氯离子量减少.通过回归分析发现,水泥固化氯离子的能力与氯离子浓度符合幂函数关系.
参考文献
[1] | Mehta P K.Concrete durability-fifty years' progress[A].,1991:1. |
[2] | Chloride Binding Of Cement-based Materials Subjected To External Chloride Environment - A Review[J].Construction and Building Materials,2009(1):1-13. |
[3] | T.U. Mohammed;H. Hamada .Relationship between free chloride total chloride contents in concrete[J].Cement and Concrete Research,2003(9):1487-1490. |
[4] | 金祖权,孙伟,赵铁军,李秋义.在不同溶液中混凝土对氯离子的固化程度[J].硅酸盐学报,2009(07):1068-1072,1078. |
[5] | 吴庆令,余红发,梁丽敏.暴露时间和扩散深度对混凝土氯离子结合能力的影响[J].四川大学学报(工程科学版),2010(03):222-227. |
[6] | Long term performance of chloride binding capacity in fly ash concrete in a marine environment[J].Construction and Building Materials,2010(8):p.1352. |
[7] | Mien T V;Nawa T.Contributions of C-S-H and AFm hydrates to chloride binding isotherms of various cements[A].,2008:264. |
[8] | The resistance of high alumina cement against corrosion of steel in concrete[J].Construction and Building Materials,2010(8):p.1502. |
[9] | 孙国文,管学茂,孙伟,张云升.水泥-矿渣体系对Cl-结合能力及机理研究[J].武汉理工大学学报,2010(07):39-43. |
[10] | Chloride Binding Capacity Of Mortars Made With Various Portland Cements And Mineral Admixtures[J].Journal of advanced concrete technology,2008(2):287-301. |
[11] | 余红发,翁智财,孙伟,陈浩宇,张金花.矿渣掺量对混凝土氯离子结合能力的影响[J].硅酸盐学报,2007(06):801-806. |
[12] | 胡蝶,麻海燕,余红发,曹文涛,翁智财.矿物掺合料对混凝土氯离子结合能力的影响[J].硅酸盐学报,2009(01):129-134. |
[13] | 管学茂,孙国文,王玲,姚燕.高性能水泥基材料结合外渗氯离子能力的测试方法对比[J].混凝土,2005(11):36-39,45. |
[14] | 孙国文,管学茂,罗树琼,黄丹.对《水运工程混凝土试验规程》中测试氯离子含量方法的几点见解[J].工业建筑,2005(12):8-10,7. |
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