钙矾石是水泥混凝土硫酸盐侵蚀过程中的重要产物之一,钙矾石的形成可能会引起混凝土膨胀、开裂,本文在讨论水泥混凝土中钙矾石的形成和形貌的基础上,从钙矾石的形成环境-反应机理-形貌-膨胀机理出发综述了不同反应机制下形成的钙矾石对应的膨胀性能及钙矾石型硫酸盐侵蚀的膨胀机理,最后对钙矾石型硫酸盐侵蚀现状进行了总结.
参考文献
[1] | 唐明述.中国水泥混凝土工业发展现状与展望[C].东南大学学报(自然科学版)(第五届混凝土结构耐久性科技论坛:论文专辑),2006:1-6. |
[2] | M. Romer;L. Holzer;M. Pfiffner.Swiss tunnel structures: concrete damage by formation of thaumasite[J].Cement & concrete composites,20038(8):1111-1117. |
[3] | William;G.Hime;B.Mather.Note "Sulfate attack", or is it?[J].Cement and Concrete Research,19995(5):789-791. |
[4] | A. Leemann;R. Loser.Analysis of concrete in a vertical ventilation shaft exposed to sulfate-containing groundwater for 45 years[J].Cement & concrete composites,20111(1):74-83. |
[5] | 邢志水 .工程混凝土硫酸盐侵蚀破坏调查与分析[D].南京工业大学,2012. |
[6] | Manu Santhanam;Menashi D. Cohen;Jan Olek.Sulfate attack research - whither now?[J].Cement and Concrete Research,20016(6):845-851. |
[7] | Adam Neville.The confused world of sulfate attack on concrete[J].Cement and Concrete Research,20048(8):1275-1296. |
[8] | D.Y. Yang;R. Guo.Experimental Study on Modulus and Hardness of Ettringite[J].Experimental Techniques,20141(1):6-12. |
[9] | 马惠珠;邓敏;朱建强.混凝土中钙矾石的重结晶[J].材料导报,2007(z1):353-355. |
[10] | 席耀忠.二次钙矾石形成和膨胀混凝土的耐久性[J].混凝土与水泥制品,2003(02):5-9. |
[11] | H.F.W. Taylor;C. Famy;K.L. Scrivener.Delayed ettringite formation[J].Cement and Concrete Research,20015(5):683-693. |
[12] | 彭家惠;楼宗汉.钙矾石形成机理的研究[J].硅酸盐学报,2000(6):511-515. |
[13] | Cecilie Evju;Staffan Hansen.The kinetics of ettringite formation and dilatation in a blended cement with beta-hemihydrate and anhydrite as calcium sulfate[J].Cement and Concrete Research,200512(12):2310-2321. |
[14] | I.Odler;J.C.Subauste.Investigations on cement expansion associated with ettringite formation[J].Cement and Concrete Research,19995(5):731-735. |
[15] | Denise A. Silva;Paulo J. M. Monteiro.Early Formation of Ettringite in Tricalcium Aluminate-Calcium Hydroxide-Gypsum Dispersions[J].Journal of the American Ceramic Society,20072(2):614-617. |
[16] | 邓德华,肖佳,元强,刘赞群,尹健.试论钙矾石型硫酸盐侵蚀与混凝土劣化的机理[C].混凝土工程耐久性研究和应用(中国土木工程学会2006混凝土工程耐久性研究和应用研讨会:论文专辑),2006:200-212. |
[17] | 刘开伟 .硫酸钠侵蚀下水泥基材料的劣化过程及机理[D].南京工业大学,2014. |
[18] | 于诚 .水泥基材料在硫酸盐侵蚀作用下的劣化过程和机理[D].东南大学,2013. |
[19] | 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. |
[20] | George W. Scherer.Stress from crystallization of salt[J].Cement and Concrete Research,20049(9):1613-1624. |
[21] | G.W.Scherer.Crystallization in pores[J].Cement and Concrete Research,19998(8):1347-1358. |
[22] | Wolfram Miillauer;Robin E. Beddoe;Detlef Heinz.Sulfate attack expansion mechanisms[J].Cement and Concrete Research,2013:208-215. |
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%