分析了Thumasite的物相结构特征、生成条件和破坏机理;与常规硫酸盐侵蚀对混凝土结构的破坏作用不同,它的生成直接导致水泥石中CSH凝胶体分解,使混凝土最终变为无强度泥状混合物.针对我国西部和北部开发,提出预防混凝土结构发生此类侵蚀破坏的方法.
参考文献
| [1] | Taylor H F W.Cement Chemistry. 2th Edition[M].London:Thomas Telford Ltd,1997:370-375. |
| [2] | Erlin B;Stark D C.Identification and occurrence of thaumasite in concrete[J].Highway Research Record,1965(115):108-113. |
| [3] | Thaumasite Expert Group.The thaumasite form of sulfate attack: risks, diagnosis, remedial works and guidance on new construction[M].London: Department of the Environment, Transport and the Regions,1999 |
| [4] | Norah Crammond .The occurrence of thaumasite in modern construction - a review[J].Cement & concrete composites,2002(3/4):393-402. |
| [5] | Manu Santhanam;Menashi D. Cohen;Jan Olek .Sulfate attack research - whither now?[J].Cement and Concrete Research,2001(6):845-851. |
| [6] | Edge R A;Taylor H F W.Crystal structure of thaumasite[J].ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE,1971(27):594-601. |
| [7] | Moore A E;Taylor H F W.Crystal structure of ettringite[J].ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE,1970(26):386-393. |
| [8] | David C. Stark .Occurrence of thaumasite in deteriorated concrete[J].Cement & concrete composites,2003(8):1119-1121. |
| [9] | John Bensted .Thaumasite--direct, woodfordite and other possible formation routes[J].Cement & concrete composites,2003(8):873-877. |
| [10] | E.E. Lachowski;S.J. Barnett;D.E. Macphee .Transmission electron optical study of ettringite and thaumasite[J].Cement & concrete composites,2003(8):819-822. |
| [11] | Sadananda Sahu;Steve Badger;Niels Thaulow .Mechanism of thaumasite formation in concrete slabs on grade in Southern California[J].Cement & concrete composites,2003(8):889-897. |
| [12] | J.Bensted .Thaumasite-background and nature in deterioration of cements, mortars and concretes[J].Cement & concrete composites,1999(2):117-121. |
| [13] | A. R. Brough;A. Atkinson .Micro-Raman spectroscopy of thaumasite[J].Cement and Concrete Research,2001(3):421-424. |
| [14] | Sidney Diamond .Thaumasite in Orange County, Southern California: an inquiry into the effect of low temperature[J].Cement & concrete composites,2003(8):1161-1164. |
| [15] | Gaze M.E.;Crammond N.J. .The formation of thaumasite in a cement: lime: sand mortar exposed to cold magnesium and potassium sulfate solutions[J].Cement & concrete composites,2000(3):209-222. |
| [16] | D.M. Mulenga;J. Stark;P. Nobst .Thaumasite formation in concrete and mortars containing fly ash[J].Cement & concrete composites,2003(8):907-912. |
| [17] | S. Tsivilis;G. Kakali;A. Skaropoulou .Use of mineral admixtures to prevent thaumasite formation in limestone cement mortar[J].Cement & concrete composites,2003(8):969-976. |
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