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XIAOJIAN GAO1,* , HONGWEI DENG1, YINGZI YANG1
This paper presents the improvem ent effects of silane impregnation treatment on durability of concretes with different strength grades (C30 and C50) and air content. The influence of age and initial moisture content of concrete were considered and the water adsorption and freeze thaw res istance of concretes were measured. The age of concrete was simulated by exposing specimens to different cycles of freeze thaw before silane treatment, and three different drying processes were selected to prepare different moisture contents in specimens. The results show that both water adsorption and freeze thaw resistance of concretes are significantly improved by the silane impregnation treatment. The lower initial moisture content leads to the more improvement of freeze-thaw resistance of silane treated concretes. Therefore, the freeze thaw resistance of both new and old concretes can be improved by the silane treatment, and the earlier treatment leads to the better improvement of concrete durability..
Concrete, Freeze thaw resistance, Silane impregnation, Age, Moisture content.
XIAOJIAN GAO, HONGWEI DENG, YINGZI YANG, Application of silane to improve durability of concretes with different age and moisture content, Optoelectronics and Advanced Materials - Rapid Communications, 6, 7-8, July-August 2012, pp.750-754 (2012).
Submitted at: May 14, 2012
Accepted at: July 19, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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