Abstract
Abstract This Research paper investigate the mathematical modelling of compression strength of concrete cube specimens cured at 3, 7 & 28 days and Chloride penetration resistance of cylindrical concrete specimens cured at 28 days incorporating GGBS. Experimental examination done on diverse concrete specimens to acknowledge compressive strength and chloride penetration. Ordinary Portland cement (OPC) has been substituted with 0%, 5%, 10%, 15%, 20%, 25% and 30% by ground granulated blast furnace slag (GGBS). Concrete Cubes & cylindrical specimens than prepared accordingly. Compressive strength test has been done on cubes and Rapid chloride penetration test (RCPT) has been done on cylindrical specimens. Two predictive regression models has been developed, one for compression strength (CS) of concrete cubes at 3, 7, and 28 days and other for charge passed Q@28 days in cylindrical concrete specimens. Chloride penetration predictive Model Q @ 28 Days has value of 0.97 0.71, 210.81 and 0.032 for R Square, Adjusted R Square, Standard Error, and P value. Both predictive math models has been confirmed by data in complete range and has superior precision, correlation with experimental data and results.
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