By: Kalpana Shende, Valsson P. Varghese, Swapneel Satone, and A.M. Badar
1Research Scholar, Department of Civil Engineering, KDK College of Engineering, Nagpur, Maharashtra, India
2Professor, Department of Civil Engineering, KDK College of Engineering, Nagpur, Maharashtra, India
3Assistant professor, Department of Civil Engineering, KDK College of Engineering, Nagpur, Maharashtra, India
4Professor, Department of Civil Engineering, KDK College of Engineering, Nagpur, Maharashtra, India
In this contemporary context, demands placed on concrete have escalated significantly. Various
essential properties of concrete such as strength, durability, workability, and expected service life
require enhancement. This work focuses on investigating the strength properties of concrete through
different substitutions of cement with metakaolin (MK), manufactured sand (M-sand), and steel fiber.
Tests were conducted in accordance with Bureau of Indian Standards guidelines to assess the
suitability of MK as a cement replacement. Steel fiber was added to improve the concrete’s durability.
Various strength parameters, including compressive strength and split tensile strength, were tested
and recorded for M25-grade concrete. Partially replaced concrete exhibited an increase in strength
compared to conventional concrete to some extent. Various mix combinations involving partial
replacement of M-sand along with MK and steel fiber were evaluated. The experimental findings,
synthesized from extensive literature reviews, indicate that the partial substitution of cement with M-sand, MK, and steel fiber leads to an improvement in the strength of concrete.
Citation:
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