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Surabhi, Surabhi
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Improving sustainability of precast concrete sandwich wall panels through stone waste aggregates and supplementary cementitious material Kumar, Pushpender; Kumar, Rajesh; Nighot, Nikhil Sanjay; Surabhi, Surabhi; Rahman, Mohd. Reyazur; Chidambaram, R. Siva; Khan, Shahnawaz
Applied Engineering and Technology Vol 3, No 2 (2024): August 2024
Publisher : ASCEE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/aet.v3i2.1399

Abstract

This study aims to enhance the sustainability of precast concrete sandwich wall panels by replacing 100% of natural aggregates with stone waste and 30% of cement with supplementary cementitious materials. The panels, consisting of two 60 mm thick concrete wythes reinforced with 1% steel fibers, were connected using basalt fiber-reinforced polymer (BFRP) connectors and separated by high-density expanded polystyrene (EPS) insulation (30 kg/m³). Full-scale panels were tested for flexural strength, showing that the inclusion of sustainable materials increased the failure load by 96% compared to conventional panels, with steel fiber-reinforced panels achieving a failure load of 110.5 kN. Panels incorporating stone waste aggregates demonstrated a 71% increase in strength compared to control samples. These results highlight that using stone waste and supplementary materials not only improves environmental sustainability but also enhances structural performance, making these panels a viable option for eco-friendly construction.
Co-Authors Chidambaram, R. Siva Khan, Shahnawaz Kumar, Pushpender Nighot, Nikhil Sanjay Rahman, Mohd. Reyazur Rajesh Kumar