研究了硫酸盐作用下大理石粉对水泥固化氯离子性能的影响规律及作用机理.试验结果表明:水泥-大理石粉硬化浆体氯离子固化率,1d龄期之前快速增长,1～3d龄期增长变缓,3～7d龄期进一步减缓,7～28 d龄期时增加缓慢,1d、3d和7d龄期的分别达到28 d的50％、70％和95％.随着大理石粉掺量的增加,水泥浆体的氯离子固化率,6h、12 h、1d龄期增大,3d、7d、28 d龄期降低;随着硫酸盐浓度增加,其氯离子固化率降低.XRD分析表明大理石粉对水泥浆体28 d龄期的Freidel's盐生成量影响不大,硫酸盐抑制水泥-大理石粉浆体Freidel's盐生成.
参考文献
| [1] | A.S.E. Belaidi;L. Azzouz;E. Kadri;S. Kenai.Effect of natural pozzolana and marble powder on the properties of self-compacting concrete[J].Construction and Building Materials,2012:251-257. |
| [2] | Ilker Bekir Topcu;Turhan Bilir;Tayfun Uygunoglu.Effect Of Waste Marble Dust Content As Filler On Properties Of Self-compacting Concrete[J].Construction and Building Materials,20095(5):1947-1953. |
| [3] | Valeria Corinaldesi;Giacomo Moriconi;Tarun R. Naik.Characterization of marble powder for its use in mortar and concrete[J].Construction and Building Materials,20101(1):113. |
| [4] | 王小刚;史才军;何富强;元强;王德辉;黄勇;李庆玲.氯离子结合及其对水泥基材料微观结构的影响[J].硅酸盐学报,2013(2):187-198. |
| [5] | 陈晓斌;唐孟雄;马昆林.地下混凝土结构硫酸盐及氯盐侵蚀的耐久性实验[J].中南大学学报（自然科学版）,2012(7):2803-2812. |
| [6] | 王展飞;杨鼎宜;俞君宝;李鹏.氯离子对硫酸根离子在混凝土中扩散的影响[J].混凝土,2015(1):68-71,78. |
| [7] | 金祖权 .西部地区严酷环境下混凝土的耐久性与寿命预测[D].东南大学,2006. |
| [8] | 王展飞;杨鼎宜;李鹏.基于混凝土表面氯离子浓度时变性的氯离子扩散模型研究[J].混凝土,2016(3):29-33. |
| [9] | 杜健民;焦瑞敏;姬永生.氯离子含量对混凝土硫酸盐腐蚀程度的影响研究[J].中国矿业大学学报,2012(6):906-911. |
| [10] | 金祖权;孙伟;张云升;赖建中.氯盐、硫酸盐作用下高性能混凝土损伤研究[J].工业建筑,2005(1):5-7. |
| [11] | 麻海燕;燕坤;黄东升;杨礼明.MgCl2,Na2SO4复合腐蚀与弯曲荷载作用对碳化混凝土的抗冻性的影响[J].南京航空航天大学学报,2008(2):250-254. |
| [12] | 管志超;徐锋;王曙光;刘伟庆.硫酸盐对氯离子在地下结构混凝土中传输过程的影响[J].混凝土,2014(11):34-37. |
| [13] | Ali A. Aliabdo;Abd Elmoaty M. Abd Elmoaty;Esraa M. Auda.Re-use of waste marble dust in the production of cement and concrete[J].Construction and Building Materials,2014Jan.(Jan.):28-41. |
| [14] | Vardhan, Kirti;Goyal, Shweta;Siddique, Rafat;Singh, Malkit.Mechanical properties and microstructural analysis of cement mortar incorporating marble powder as partial replacement of cement[J].Construction and Building Materials,2015Oct.15(Oct.15):615-621. |
| [15] | M.V.A. Florea;H.J.H. Brouwers.Chloride binding related to hydration products Part I: Ordinary Portland Cement[J].Cement and Concrete Research,20122(2):282-290. |
| [16] | F.P.Glasser;A.Kindness.Stability and solubility relationships in Afm phases Part I. Chloride, sulfate and hydroxide[J].Cement and Concrete Research,19996(6):861-866. |
| [17] | Antonio Andre;Jorge de Brito;Alexandra Rosa;Diogo Pedro.Durability performance of concrete incorporating coarse aggregates from marble industry waste[J].Journal of cleaner production,2014Feb.15(Feb.15):389-396. |
| [18] | 王绍东;黄煜镔;王智.水泥组分对混凝土固化氯离子能力的影响[J].硅酸盐学报,2000(6):570-574. |
| [19] | 胡红梅;马保国.矿物功能材料的Cl-结合能力[J].建筑材料学报,2004(4):406-410. |
| [20] | 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(6):801-806. |
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