الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Nowadays the environmental considerations of used the construction materials have to be taken into consideration in addition to strength and durability. Geopolymer concrete is a new generation of green concrete based on an inorganic aluminosilicate binder system compared to the hydrated calcium silicate binder system of concrete. The main objective of this research work is to study the water permeability, absorption, voids ratio and corrosion resistance of fly ash and metakaolin based geopolymer concrete beside study compressive and tensile strength as related properties. The considered parameters through the research program were molarity, alkaline activator to binder ratio, binder material content, curing temperature, cement addition and finally silica fume addition. Also, a comparison between the performances of geopolymer concrete and Portland cement concrete was conducted. from the test results, in the terms of water permeability, absorption and voids ratio the optimum parameters values were 16M molarity, alkaline activator to binder ratio was 0.40, the binder materials content was 450 kg/m3, curing temperature was 70°C in the conditions of 48 hours curing period. Also, adding cement or silica fume improved the performance of geopolymer concrete. Finally, at the same compressive strength, geopolymer concrete achieved better water permeability and corrosion resistance compared with Portland cement concrete.