Author(s)

R. Salem & E. Burdette

Abstract

This paper describes a laboratory investigation of the development of an optimal high-performance concrete (HPC) mixture for Tennessee cast-in-place concrete bridge decks. Five types of concrete mixtures were developed by varying the quantity of fly ash, slag, and silica fume, while keeping the water-cementitious material ratio constant. Tennessee Department of Transportation (TDOT) Class D concrete was used as the control mix. Various parameters relevant to bridge deck performance were evaluated, including compressive strength, drying shrinkage, freeze-thaw durability, and chloride ion permeability. All four modified mixes exhibited higher compressive strength, lower drying shrinkage, and lower chloride ion permeability than the Class D control mix. Based on performance and potential economical sa

Keywords