Effects of Five Sources of Mixing Water on Durability of Concrete

Document Type : Novel Research Articles

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Housing & Building National Research Centre, Dokki, Giza, Egypt

Abstract

This paper presents the experimental approach and the first results obtained as a result of the effect of  five Sources of mixing water  on produce more durable concrete . Five types of water were used, namely simulated acid rain (AR), Rain water (RW), tap water (TW),  Zamzam water (ZW) and sea water (SW) as mixing water for ordinary portland cement concrete  (OPCC).  The durability of these different types of water were tested toward their capacity to prevent the rebar corrosion. The results of workability, pH value, compressive strength, chlorides penetration and microstructure of different specimens mixed with each type of water were compared with those mixed with tap water (TW). In the present research, the effect of five sources of mixing water on durability of concrete mixes was investigated, incorporating different contents of silica fume. Chloride profile, gas permeability, Compressive Strength, Energy Dispersive X-Ray Analysis EDX, scanning electron microscope SEM, and water porosity tests are used for this propose

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