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Significance of Stone Slurry Powder in Normal and High Strength Concrete
Abstract Large amount of carbon dioxide and greenhouse gases emit during the manufacturing of cement. Evolution in cement production leads to increase in depletion of natural resources; and its production increases due to rise in concrete construction. To curtail the consumption of cement and natural resources, it has become necessary to find the alternate materials to cement in concrete production. In the present study, stone slurry powder was used as a fractional replacement of cement by 0%, 2.5%, 5%, 7.5%, 10% and 15% in the concrete mixture. The compressive strength, split tensile strength and electrical resistivity of concrete at 7 and 28 days was studied for M25 and M45 concrete experimentally. Results showed that the strength and electrical resistivity of concrete increased with increase of stone slurry powder upto 7.5% and 10% in M25 and M45 concrete respectively. The strength decreased for both M25 and M45 concrete; but, remained higher than control mix; except at 15% stone slurry powder in M25 concrete. For M25 concrete, 15% replacement of stone slurry powder decreased compressive and split tensile strength by 9% and 20% respectively with reference to control mix. Use of stone slurry powder in concrete not only reduced the consumption of cement and natural resources but also resolved the problems associated with stone waste, and produced sustainable and economical concrete.
Significance of Stone Slurry Powder in Normal and High Strength Concrete
Abstract Large amount of carbon dioxide and greenhouse gases emit during the manufacturing of cement. Evolution in cement production leads to increase in depletion of natural resources; and its production increases due to rise in concrete construction. To curtail the consumption of cement and natural resources, it has become necessary to find the alternate materials to cement in concrete production. In the present study, stone slurry powder was used as a fractional replacement of cement by 0%, 2.5%, 5%, 7.5%, 10% and 15% in the concrete mixture. The compressive strength, split tensile strength and electrical resistivity of concrete at 7 and 28 days was studied for M25 and M45 concrete experimentally. Results showed that the strength and electrical resistivity of concrete increased with increase of stone slurry powder upto 7.5% and 10% in M25 and M45 concrete respectively. The strength decreased for both M25 and M45 concrete; but, remained higher than control mix; except at 15% stone slurry powder in M25 concrete. For M25 concrete, 15% replacement of stone slurry powder decreased compressive and split tensile strength by 9% and 20% respectively with reference to control mix. Use of stone slurry powder in concrete not only reduced the consumption of cement and natural resources but also resolved the problems associated with stone waste, and produced sustainable and economical concrete.
Significance of Stone Slurry Powder in Normal and High Strength Concrete
Devi, Kiran (author) / Acharya, Krishna Gopal (author) / Saini, Babita (author)
2018-10-31
9 pages
Article/Chapter (Book)
Electronic Resource
English
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