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Impact of Ultrafine Ground Granulated Blast Furnace Slag on the Properties of High Strength Durable Concrete
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Impact of Ultrafine Ground Granulated Blast Furnace Slag on the Properties of High Strength Durable Concrete
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Journal Article
Impact of Ultrafine Ground Granulated Blast Furnace Slag on the Properties of High Strength Durable Concrete
2020
Overview
Ultrafine ground granulated blast furnace slag (UFGGBFS), because of its pozzolanic nature, could be an extraordinary resource for the advanced development needs, since slag cements concrete can be of elite, if properly planned. Improvement of the durability properties of concrete to support a more extended life expectancy and creating a climate amicable greener concrete are turning out to be significant standards in getting high quality concrete. Fusing Ultrafine Ground Granulated Blast Furnace Slag (UFGGBFS) as a mineral admixture enhances the workability of fresh concrete and decreased the link between pores; in this way, decreasing the permeability and improving the obstruction of the solid against chloride infiltration. The measure of ozone depleting substance delivered in making the concrete and the energy needed to create the concrete are significantly decreased with the utilization of UFGGBFS. Ultrafine GGBFS (UFGGBFS) with a normal molecule size less than 10m and a Blaine surface area more than 600m2/kg can significantly improve the properties of the concrete as far as diffusion and chemical reactivity impacts. Compared with GGBFS, the UFGGBFS increases the rate of hydration and pozzolanic responses and has a superior filling impact. In this study, the early development of mechanical strength and permeability properties of high strength concrete with UFGGBFS is examined. Total five mixes with 180kg/m3 each of both Ordinary Portland Cement (OPC) concrete and Ultrafine Ground Granulated Blast furnace Slag (UFGGBFS) concrete were designed. The mixes starts from 0% replacement and gradually increases up to 20% (i.e 0, 5, 10, 15 and 20%) of identical all total cementitious materials with UFGGBFS substitution were planned and a sum of 145 samples from the five blends were projected. Compressive strength parameters, flexural strength parameter, modulus of elasticity parameter and water permeability test outcomes are introduced.
Publisher
IOP Publishing
Subject
