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Structural Engineering and Mechanics Volume 87, Number 6, September25 2023 , pages 615-624 DOI: https://doi.org/10.12989/sem.2023.87.6.615 |
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Influence of basalt fibres on the flexural performance of hypo sludge reinforced concrete beams with SBR latex |
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S. Srividhya and R. Vidjeapriya
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| Abstract | ||
| The focus of this study is on the structural behaviour of reinforced concrete beams in which basalt fiber and SBR latex were added and the cement was partially replaced with 10% of hypo sludge. Eight different mixes of reinforced beam specimens were tested under static loading behaviour. The experiments showed, the structural behaviour with features such as load-deflection relationships, crack pattern, crack propagation, number of crack, crack spacing and moment curvature. A stressstrain relationship to represent the overall behavior of reinforced concrete in tension, which includes the combined effects of cracking and mode of failure along the reinforcement, is proposed. The structural behaviour results of reinforced concrete beams with various types of mix were tested at the age of 28 days. The investigation revealed that the flexural behaviors of hypo sludge reinforced concrete beams with addition of basalt fiber and SBR latex was higher than that of control concrete reinforced beam. The specimen (LHSBFC) with 10% hypo sludge, 0.25% Basalt fiber and 10% SBR latex showed an increase of 5.08% load carrying capacity, 7.6% stiffness, 3.97% ductility, 31.29% energy dissipation when compared to the control concrete beam. The analytical investigation using FEM shows that it was in good agreement with the experimental investigation. | ||
| Key Words | ||
| basalt fibre; crack propagation; deflection; hypo sludge; moment curvature | ||
| Address | ||
| S. Srividhya: Department of Civil Engineering, Builders Engineering College, Kangeyam, Tirupur 638108, Tamilnadu, India R. Vidjeapriya: Department of Civil Engineering, College of Engineering Guindy, Anna University, Sardar Patel Road, Chennai 600025, Tamilnadu, India | ||