ENHANCEMENT OF CORROSION RESISTANCE OF HEAVY CONCRETE USING LOCAL PETROLEUM-TAR-BASED ADDITIVES
DOI:
https://doi.org/10.37547/Keywords:
heavy concrete, corrosion resistance, tar, sulfate attack, durability, hydrophobic additive, concrete structure.Abstract
This study investigates the influence of locally available petroleum industry waste tar on the corrosion resistance of heavy concrete. Tar was incorporated into concrete mixtures in amounts ranging from 2% to 8% by cement porosity, water absorption, and sulfate-induced deterioration. The optimum performance was observed at a 5% additive content, where compressive strength increased and corrosion resistance improved considerably. The findings confirm the feasibility of utilizing industrial petroleum waste as a hydrophobic modifying additive to enhance the durability and service life of concrete structures operating in aggressive environments.
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