Experimental Investigation on Properties of High Performance Concrete with Mineral Admixtures in Pavement of Highway

Abstract:

To meet demand of highperformance pavement concrete in highway, differentproportional concretes incorporating 30%—40% ground granulatedblast furnace slag and (or) fly ash were investigated on engineering properties in laboratory. Workability offresh concrete was evaluated by result of testing slump, mechanical property ofconcrete by flexural strength, abrasion resistance of concrete by index ofabrasion resistance and durability of concrete by chloride diffusioncoefficient and value of charge passed. The results indicate that measuredcharacteristics of concretes are superior to the relevant requisitions in specificationof highway. It was revealed that partial substitution ofmineral admixtures increased workability of fresh concrete, abrasion resistanceand durability of concrete. Addition of groundgranulated blast furnace slag is more favorable to flexural strength ofconcrete than that of fly ash, in particular for early-term to avoid delaying construction time with lower strength caused in use of greatvolume admixture.

• Periodical: Advanced Materials Research (Volume 723)
• Pages: 345-352
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.723.345
• Online since: August 2013
• Authors: Le Hua Yu, Shuang Xi Zhou, Hui Ou
• Keywords: Cement, Fly Ash (FA), Ground Granulated Blast Furnace Slag, High-Performance Concrete (HPC), Mineral Admixture

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