Abstract
Reinforced Concrete(RC) is an world wide used material than any other man made material in construction. Today civil engineers are facing a major issue with corrosion in RC. The usage of cementious material in concrete prevents the economics loss and damage of structure. Under condition of carbonated concrete, the quantification of corrosion is determined by using condition evaluation methods like galvanostatic method. By using cementious substances like Silica Fume(SF), Ground Granulated Blast Furnace Slag (GGBS), the galvanostatic method will catalyze long lasting and sustainable concrete for the assessment of carbonation induced corrosion. This paper mainly reports on the study of Corrosion Assessment in carbonated and non carbonated specimens. This investigation includes four series (one carbonated and three non-carbonated) of cubes and beams in standard sizes. The reinforcement provided with 12mm diameter as main reinforcement and 8mm diameter as vertical stirrups. The proportions includes M30 Grade of concrete with GGBS (50%), Silica Fume(3%, 5%,10%) as a cement replacements along with superplasticizers. The methodology was adopted by conducting various test like flexural strength, compressive strength, corrosion rate, degree of corrosion, carbonation depth. The results found were effective, as flexural strength and compressive strength were increased due to the addition of cementious materials, where as carbonation depth and corrosion rate decreased.
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More From: IOP Conference Series: Earth and Environmental Science
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