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Volume Title: ICASGE2023

DOI: ICASGE-MAT

¹Sanjeev Kumar Suman ; ²Priyanshu Prasad Gond; Sanjeev Kumar Suman; Priyanshu Prasad Gond

¹National Institute of Technology Patna

²Department of Civil Engineering NIT Patna

Because of its compressive strength and durability, concrete is widely used. Increasing construction demand in India has increased reliance on concrete and demand for conventional materials. Growing demand for conventional building materials depletes supplies, causing environmental imbalances. Large amounts of natural sand have been extracted from riverbeds, affecting its characteristics and damaging roads when transported to construction sites, increasing construction costs. Rice husk ash (RHA) and sugar cane bagasse ash (SCBA) are agricultural byproducts that contribute to the disposal problem. RHA and SCBA can be combined to make a sustainable waste management system that reduces reliance on river sand. This study aims to replace M40 fine aggregate with RHA and SCBA. Partial replacement of sand with SCBA and RHA was carried out, where variation 0-50% with 5% increment. Hardened concrete was tested for density, compressive strength, flexural strength, and elasticity. RHA and SCBA reduce concrete's workability and mechanical properties. This result was achieved with a designed mix and constant water content. Increased water and ash content improve mechanical properties. RHA and SCBA can be used to make lightweight concrete.

RHA; SCBA; Sand substitute; workability; mechanical properties

Materials Properties and Testing (MAT)