Concrete Performance with Hypo Paper Sludge and Hybrid Fibers

In India, modern activities necessitate the excessive use of plastic bags. Because plastic is not biodegradable, it takes years to disintegrate. Poly-ethylene is the primary component of plastic bags. When polyethene is burned, it emits carbon dioxide as a byproduct, contributing to global warming. This study looks at how integrating hypo paper sludge (HPS) and hybrid fibres affects the performance of concrete. Hypo paper sludge, an industrial waste product, was assessed for its potential as a partial substitute for cement in order to improve sustainability and minimise environmental effect. In addition, hybrid fibres, which combine synthetic and natural fibres, were used to increase the mechanical qualities of concrete. A complete experimental programme was used in the study, which included compressive, tensile, flexural, and durability testing. The results showed that using HPS up to a specific amount did not significantly reduce concrete strength, although hybrid fibres increased toughness and fracture resistance. The ideal mix design struck a balance between mechanical performance and sustainability, implying that the combination of hypo paper sludge and hybrid fibres is a feasible option for greener and more robust concrete constructions. This research provides the path for further investigation into the utilisation of industrial byproducts and novel fibre technologies in concrete applications. In this study, we evaluate the compressive strength of concrete with fine aggregate substituted by 3% (plastic fibres) and 1% (steel fibres) to M20 grade control concrete. Iron fibres with widths ranging from 1-2 mm are used in a preset amount to compensate for the strength loss caused by replacement. Some of the keywords are plastic waste, iron fibres, hypo-sludge, strength, cement, and concrete (M20). Compressive strength is the most important mechanical attribute of concrete, and it is evaluated on 150 mm cubes with 10% hypo sludge www.jera.co.in ISSN2583-3987 replacing cement weight. The compressive strength is measured over 28 days and the results are analyzed.