Effect of De-icing Chemicals on Strength and Microstructural Properties of Concrete
Keywords:
De-icing Chemicals, Micro Structural Study, Compressive Strength, X-ray Diffraction Analysis, Scanning Electron Microscopy (SEM).Abstract
Degradation of Concrete may occur through a variety of physical and chemical processes. This research deals with the chemical process in which cement paste and de-icing salts are involved. It is known fact that the use of de-icing salts causes corrosion of steel in reinforced concrete and leads to structural failures. However, the effect of de-icing salts on degradation of concrete is not fully researched. Although application of de-icing salt is mandatory to maintain serviceability of concrete pavements in winter conditions, penetration of salt into concrete may be detrimental to both concrete and underlying reinforcement.
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