以三种不同粒度的硫铝酸盐水泥(CSA水泥)为矿物外加剂,研究了CSA水泥粒度、掺量对硅酸盐水泥(PC)物理性能、水化过程及水化产物性能的影响.研究表明:CSA水泥的掺量与粒度同时影响PC的凝结时间及标准稠度用水量;当CSA水泥掺量较低(1％)时,PC抗压强度有所提高;CSA水泥缩短PC水化诱导期,促进早期水化,降低C3S的水化速率,加快AFt向AFm转化;CSA水泥增加了早期水泥硬化浆体的孔隙率、累计孔体积及最可几孔径,但对后期硬化浆体的影响不大;而AFt与CH的形貌如短针状AFt及大尺寸六方板状CH不利于晶体的连生与结合,对强度的影响较大.
参考文献
| [1] | 陈娟;李北星;卢亦焱.硅酸盐-硫铝酸盐水泥混合体系的试验研究[J].重庆建筑大学学报,2007(4):121-124. |
| [2] | 杨林;严云;胡志华;周科;李正银.硫铝酸盐水泥与硅酸盐水泥复配性能研究[J].水泥,2012(7):7-10. |
| [3] | 兰明章;崔素萍;王亚丽;陈智丰;张振秋.掺硫铝酸盐水泥熟料的富硅酸盐水泥体系的性能研究[J].水泥,2004(7):12-14. |
| [4] | 李迁.硫铝酸盐与硅酸盐复合水泥研究[J].辽宁大学学报（自然科学版）,2007(02):158-162. |
| [5] | 简险峰;王栋民;黄天勇;陈雷;林辉;潘俊艳.普通硅酸盐水泥基矿物掺合料对硫铝酸盐水泥性能的影响[J].硅酸盐通报,2014(4):984-987. |
| [6] | Trauchessec, R.;Mechling, J. -M.;Lecomte, A.;Roux, A.;Le Rolland, B..Hydration of ordinary Portland cement and calcium sulfoaluminate cement blends[J].Cement & concrete composites,2015:106-114. |
| [7] | Laure Pelletier;Frank Winnefeld;Barbara Lothenbach.The ternary system Portland cement-calcium sulphoaluminate clinker-anhydrite: Hydration mechanism and mortar properties[J].Cement & concrete composites,20107(7):497-507. |
| [8] | Julien Bizzozero;Christophe Gosselin;Karen L Scrivener.Expansion mechanisms in calcium aluminate and sulfoaluminate systems with calcium sulfate[J].Cement and Concrete Research,2014:190-202. |
| [9] | 张道令;徐玲玲;汪洋;王文晶;许彦明.水泥粉体颗粒的新型PH堆积模型的研究[J].硅酸盐通报,2013(10):1937-1944. |
| [10] | Christoph Hesse;Friedlinde Goetz-Neunhoeffer;Jurgen Neubauer.A new approach in quantitative in-situ XRD of cement pastes: Correlation of heat flow curves with early hydration reactions[J].Cement and Concrete Research,20111(1):123-128. |
| [11] | Laure Pelletier-Chaignat;Frank Winnefeld;Barbara Lothenbach.Influence of the calcium sulphate source on the hydration mechanism of Portland cement-calcium sulphoaluminate clinker-calcium sulphate binders[J].Cement & concrete composites,20115(5):551-561. |
| [12] | Xuerun Li;Yu Zhang;Xiaodong Shen.Kinetics of calcium sulfoaluminate formation from tricalcium aluminate, calcium sulfate and calcium oxide[J].Cement and Concrete Research,2014:79-87. |
| [13] | Helene Minard;Sandrine Garrault;Laure Regnaudt.Mechanisms and parameters controlling the tricalcium aluminate reactivity in the presence of gypsum[J].Cement and Concrete Research,200710(10):1418-1426. |
| [14] | 何小芳;张亚爽;李小庆;刘玉飞;曹新鑫.水泥水化产物的热分析研究进展[J].硅酸盐通报,2012(5):1170-1174. |
| [15] | 沈晓冬;王洪芬;袁园.含C4A3S矿物硅酸盐水泥中混合材反应程度的研究[J].硅酸盐通报,2002(6):41-45. |
| [16] | Ma, Suhua;Li, Weifeng;Zhang, Shenbiao;Hu, Yueyang;Shen, Xiaodong.Study on the hydration and microstructure of Portland cement containing diethanol-isopropanolamine[J].Cement and Concrete Research,2015:122-130. |
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%