Published on: May 2026
STRENGTH COMPENSATION IN RUBBERIZED CONCRETE THROUGH STEEL FIBER REINFORCEMENT: EXPERIMENTAL EVALUATION AND PREDICTIVE CORRELATION MODELS
G. Srinivaisa Rao
P. Sravana
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Abstract
The current research problem is the mechanical and predictive ability of steel-fiber-reinforced rubberized concrete, utilizing shredded (chipped) tire rubber as a partial substitute for coarse aggregate, with the dual aim of increasing sustainability without compromising structural integrity. In contrast to most studies conducted to date, which predominantly utilize crumb rubber mixed with steel fibers, the present study presents a relatively unexplored combination of chipped rubber and steel fiber hybridization, thereby filling a significant gap in the existing literature and demonstrating the novelty of the study.
Blends of chipped rubber replacement of 0-30% of the concrete mixes of M30 and M40 grades, and substitution with 1% steel fibers were hybridized. Experiment findings show that the compressive strength decreases gradually with the addition of rubber, and the losses were approximately 8-15 percent at a 10 percent replacement, 18-25 percent at a 20 percent replacement, and more than 30 percent at a 30 percent replacement after 28 days. Nevertheless, tensile-related characteristics were significantly improved, along with flexural strength. Split tensile strength increased by 12-18 percent and 10-16 percent, respectively, compared to non-fiber rubberized mixes, especially at an ideal 20 percent replacement ratio. This has been enhanced by the efficient system of crack-bridging and stress redistribution offered by the fibers.
How to Cite this Paper
Rao, G. S. (2026). Strength Compensation in Rubberized Concrete Through Steel Fiber Reinforcement: Experimental Evaluation and Predictive Correlation Models. International Journal of Creative and Open Research in Engineering and Management, <i>02</i>(05). https://doi.org/10.55041/ijcope.v2i5.271
Rao, G.. "Strength Compensation in Rubberized Concrete Through Steel Fiber Reinforcement: Experimental Evaluation and Predictive Correlation Models." International Journal of Creative and Open Research in Engineering and Management, vol. 02, no. 05, 2026, pp. . doi:https://doi.org/10.55041/ijcope.v2i5.271.
Rao, G.. "Strength Compensation in Rubberized Concrete Through Steel Fiber Reinforcement: Experimental Evaluation and Predictive Correlation Models." International Journal of Creative and Open Research in Engineering and Management 02, no. 05 (2026). https://doi.org/https://doi.org/10.55041/ijcope.v2i5.271.
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