C-S-H是水泥水化的主要胶凝材料,其结构直接影响混凝土工程性,由于其结晶度较低,中短程有序,采用固体核磁(NMR)可作为分析其结构的方法之一.本文从C-S-H的模型,NMR中特征参数,平均分子链长(MCL)和聚合度三个角度,对水化龄期、掺合料、钙硅比三个方面进行了综述,并展望了固体核磁技术在C-S-H中的发展趋势.
参考文献
[1] | I.G.Richardson .The nature of C-S-H in hardened cements[J].Cement and Concrete Research,1999(8):1131-1147. |
[2] | I.G. Richardson .The calcium silicate hydrates[J].Cement and Concrete Research,2008(2):137-158. |
[3] | Jeffrey J. Chen;Jeffrey J.Thomas;Hal F.W.Taylor .Solubility and structure of calcium silicate hydrate[J].Cement and Concrete Research,2004(9):1499-1519. |
[4] | 杨南如.C-S-H 凝胶及其研究方法[J].硅酸盐通报,2003(02):46-52. |
[5] | 吕林女,何永佳,胡曙光.水泥石脱水相结构特征及其再水化能力[J].硅酸盐学报,2008(10):1343-1347. |
[6] | 方永浩.固体高分辨核磁共振在水泥化学研究中的应用[J].建筑材料学报,2003(01):54-60. |
[7] | I.G. Richardson .Tobermorite/jennite- and tobermorite/calcium hydroxide-based models for the structure of C-S-H: applicability to hardened pastes of tricalcium silicate, beta-dicalcium silicate, Portland cement, and blends of Portland cement with blast-furnace slag,[J].Cement and Concrete Research,2004(9):1733-1777. |
[8] | Thomas JJ.;Chen JJ.;Jennings HM.;Neumann DA. .Ca-OH bonding in the C-S-H gel phase of tricalcium silicate and white portland cement pastes measured by inelastic neutron scattering[J].Chemistry of Materials,2003(20):3813-3817. |
[9] | 何真,王磊,邵一心,蔡新华.脱钙对水泥浆体中C-S-H凝胶结构的影响[J].建筑材料学报,2011(03):293-298. |
[10] | R. Wang;X.-G. Li;P.-M. Wang .Influence of polymer on cement hydration in SBR-modified cement pastes[J].Cement and Concrete Research,2006(9):1744-1751. |
[11] | Joana Roncero;Susanna Valls;Ravindra Gettu .Study of the influence of superplasticizers on the hydration of cement paste using nuclear magnetic resonance and X-ray diffraction techniques[J].Cement and Concrete Research,2002(1):103-108. |
[12] | 于文金,罗永传,弓子成,丁庆军.温度对大掺量粉煤灰水泥水化C-S-H聚合度的影响[J].武汉理工大学学报,2011(11):28-32,38. |
[13] | 钱文勋,蔡跃波.活性激发过程中粉煤灰硅氧多面体结构变化的核磁共振研究[J].材料科学与工程学报,2004(04):561-563. |
[14] | Shao-Dong Wang;Karen L. Scrivener .~(29)Si and ~(27)Al NMR study of alkali-activated slag[J].Cement and Concrete Research,2003(5):769-774. |
[15] | F. Brunet;T. Charpentier;C.N. Chao .Characterization by solid-state NMR and selective dissolution techniques of anhydrous and hydrated CEM V cement pastes[J].Cement and Concrete Research,2010(2):208-219. |
[16] | Charlotte Porteneuve;Helene Zanni;Christian Vernet .Nuclear magnetic resonance characterization of high-and ultrahigh-performance concrete Application to the study of water leaching[J].Cement and Concrete Research,2001(12):1887-1893. |
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%