EXPERIMENTAL STUDY ON THE USE OF MARBLE DUST WITH NYLON FIBER IN CONCRETE
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Abstract
The economic costs of construction have become largely unbearable today. In a bid to mitigate these costs, civil engineering faculties and stakeholders across the world have endeavoured to produce recyclable and resource saving concrete for construction purposes. Most of the environmental problems are caused by the deposit of waste to the environments in which marble shaping is part. Both stone slurry and solid wastes are generated from the marble stone slurry and with the huge discharge of marble waste locally, emphasizes has been placed on the reuse of the waste material. This research investigates the utilization of marble dust powder in concrete, where marble dust at varying percentage (0%, 15%, 25% & 35%) with replacement by sharp sand was added in M20 grade and water cement ratio 0.50 was kept constant in the concrete mixes. The quality, performance and reliability of the concrete where tested by the compressive and split tensile strength of 7, 21, 28 and curing days. The results of the laboratory work showed that marble dust powder replacement with cement increased in
strength up to 25% for both resistance to compressive load and tensile strength of concrete. Nylon fiber is not an absolutely new material, it is successfully applied in such fields as mostly found in garment interlinings, tooth brush, Fishing lines, Nets and building structures. At the present time very prospective directions of using nylon fibre is fibre-concrete and fiber-cement, reinforced with nylon fibers, using nylon fiber as post-tension or pretension reinforcing bars in reinforced concrete structures, applying polymeric and metal composites for structures. The main reason that nylon fiber is considered as construction material so rarely in India is non-availability and its high price on shipping, but the general trend of increasing product of
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