为研究矿渣本身对氯离子的固化作用,以石灰作为激发剂制备出硬化矿渣浆体,采用化学分析方法测定了矿渣固化氯离子的能力.结果表明:矿渣不但具有化学结合氯离子的能力,还具有物理吸附氯离子的能力,其固化等温线适合Freundlich关系曲线;随着pH值增大,矿渣固化氯离子的能力降低,其下降的幅度比硅酸盐水泥更大;与硅酸盐水泥不同,随着温度升高,矿渣固化氯离子的能力增强.
参考文献
| [1] | 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(02):187-198. |
| [2] | Qiang Yuan;Caijun Shi;Geert De Schutter;Katrien Audenaert;Dehua Deng .Chloride Binding Of Cement-based Materials Subjected To External Chloride Environment - A Review[J].Construction and Building Materials,2009(1):1-13. |
| [3] | M.D.A. Thomas;R.D. Hooton;A. Scott .The effect of supplementary cementitious materials on chloride binding in hardened cement paste[J].Cement and Concrete Research,2012(1):1-7. |
| [4] | Florea M V A;Brouwers H J H .Chloride binding related to hydration products[J].Cement and Concrete Research,2012,42(02):282. |
| [5] | Long term performance of chloride binding capacity in fly ash concrete in a marine environment[J].Construction and Building Materials,2010(8):p.1352. |
| [6] | The resistance of high alumina cement against corrosion of steel in concrete[J].Construction and Building Materials,2010(8):p.1502. |
| [7] | Y. Elakneswaran;T. Nawa;K. Kurumisawa .Electrokinetic potential of hydrated cement in relation to adsorption of chlorides[J].Cement and Concrete Research,2009(4):340-344. |
| [8] | 张倩倩,孙伟,施锦杰.矿物掺合料对钢筋锈蚀临界氯离子含量的影响[J].硅酸盐学报,2010(04):633-637. |
| [9] | 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. |
| [10] | 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. |
| [11] | Dehwah H A F;Maslehuddin M;Austin S A .Effect of sulfate ions and associated cation type on the pore solution chemistry in chloride-contaminated plain and blended cements[J].Cement and Concrete Composites,2003,25(4-5):513. |
| [12] | Tang Luping;Lars-Olof Nilsson .Chloride binding capacity and binding isotherms of OPC pastes and mortars[J].Cement and Concrete Research,1993,23(02):247. |
| [13] | 罗睿,蔡跃波,王昌义.磨细矿渣净浆和砂浆结合外渗氯离子的性能[J].建筑材料学报,2001(02):148-153. |
| [14] | Nguyen T S;Lorente S;Carcasses M .Effect of the environment temperature on the chloride diffusion throngh CEM-Ⅰ and CEM-Ⅴ mortars[J].Construction and Building Materials,2009,23(02):795. |
| [15] | Guerrero A;Goni S;Allegro V R .Effect of temperature on the durability of class C fly ash belite cement in simulated radioactive liquid waste:Synergy of chloride and sulphate ions[J].Journal of Hazardous Materials,2009,165(1-3):903. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%