Abstract
There are many damage types on concrete structures. Crack and spalling on concrete structures are the most popular damages. The causes of these damage are variable but mostly originate from the corrosion of reinforcement that cause by the salty, humidity air, carbonation or ion chloride penetration via appeared cracks on the concrete surfaces that lead to the expansion of the reinforcement cross section. It is necessary to protect the surface area of concrete in order to prevent concrete structures from being deteriorated. The method of applying a surface protective agent has been developed as one of the methods to protect concrete. In this study, the repairing effects of lithium silicate based surface protective agent in high permeability and chloride resistance will be evaluate. As a result, reduction of coefficient of water permeability and effective diffusion coefficient of chloride ion of hardened concrete that had been repaired by the lithium silicate based surface protective agent were confirmed.
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Tung, N.X., Kitagaki, R., Yamakita, Y. (2020). The Repairing Effects of Lithium Silicate Based Material to the Surface of Hardened Concrete. In: Ha-Minh, C., Dao, D., Benboudjema, F., Derrible, S., Huynh, D., Tang, A. (eds) CIGOS 2019, Innovation for Sustainable Infrastructure. Lecture Notes in Civil Engineering, vol 54. Springer, Singapore. https://doi.org/10.1007/978-981-15-0802-8_74
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DOI: https://doi.org/10.1007/978-981-15-0802-8_74
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