Abstract
This study has explored a new mix design for the production of sustainable high strength concrete that can be used successfully in hot weather. Ordinary Portland cement has been replaced by 47% Ground granulated blast furnace slag (GGBS) and 5.9% Micro-silica in order produce sustainable concrete with high durability and better mechanical properties. Crushed fine sand and Red Dune sand have been used in order to replace the shortage in natural fine sand and also to increase the compactness and filling the gabs. Durability tests have included water absorption, water permeability and penetration of chloride ions. Compressive strength, flexural strength and tensile splitting strength have been measured for one mix in order to investigate the mechanical properties resulted from this mix design. The results have showed a successful mix design with more durable and better performance concrete compared to 100% OPC concrete.
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