Abstract
The concrete building protection materials is widely used in the hydraulic and bridge engineering. It was found that integral silane treatment can improve the durability of concrete.Compared with other protective methods, Silicone protect materials is the most convenient and environmentally-friendly.The silicone materials can effectively block the invasion of harmful substances such as water and chloride ions, and prevent the occurrence of the freeze-thaw damage. Few studies reported the protective effects of silane material which have different molecular structures .We found that Silane with relatively long molecular chain structure have a slower evaporation rate .When the concrete surface treated with such a silane material,the concrete surface has a 22% longer time to dry, so that the depth of penetration increased 16% for a longer concrete infiltration reaction time. we also studied the impact of temperature and humidity on the drying time of silane material , found using a suitable surface moisture conditions can get better protection.
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