EFFECTS OF CRUDE OIL CONTAMINATED CURING WATER ON STRENGTH PROPERTIES OF CONCRETE PREPARED FOR BRIDGE SUB-STRUCTURES
DOI:
https://doi.org/10.11113/mjce.v30.15722Keywords:
Crude oil, compressive strength, concrete, contaminated environment, sub-structuresAbstract
In this study aggregate characteristics were studies and the cylindrical concrete
specimens were prepared at the mix ratio of 1: 1½: 3 and cured in curing water of 0%, 5%, 10%,
15%, 20%, 25% and 30% contamination with crude oil. The compressive strengths of the
concrete specimens were evaluated at the 3rd, 7th, 14th, 28th and 56th day age, split tensile
strengths and flexural strengths of the specimens were evaluated at the 7th and 28th day age. The
strength properties evaluated increased with increase in age and decreased with increase in
percentage contamination of the curing water with crude oil. Concrete specimens cured with
portable water containing 0%, 5%, 10%, 15%, 20%, 25% and 30% of crude oil contamination
satisfied the minimum 28 days compressive strength. The research therefore concludes that
concrete bridge sub structures exposed to crude oil contaminated environment should be
monitored and maintained regularly.
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