Utilization of Basic oxygen furnace slag as aggregate in Bituminous mix
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 6
Abstract
Demand for the natural aggregates have lead to rapid depletion of natural resources predominantly. On the other hand waste products produced from the industries is enormous, with the problems of landfill and dumping of materials for longer period which causes greater pollution and effects on the environment. Hence to control these problems, some industrial wastes are being used in road applications. Some of the industrial wastes that are successfully used in the road industry are Fly ash, steel slag, Crumb rubber , plastics etc. In the present study, the Basic Oxygen Furnace Slag a major type in LD slag has been used in partial replacement of both coarse and fine aggregates in different combinations for preparing BC grade-II mixes. The Marshall properties of the slag replaced BC mixes have been compared with that of the conventional BC mixes. Slag replaced BC mixes has shown better results with reference to the Marshall properties. 40% of replaced slag showed satisfying results such as 3.8% of higher stability, 0.42% of lesser density, and 5.6 of % lesser Air Voids than conventional BC mixes. 60% slag showed higher air voids, increased OBC as compared to 40% of slag replaced BC mixes. So 40% slag replacement is considered to be optimum.
Authors and Affiliations
Vishwanath B J, Pavankumar N shirahatti, Grandhi Saravana kumar
Keywords
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