Experimental and Analytical Investigation of Masonry and Sandwich Wall Infill Effects on Reinforced Concrete Frames: A Comparative Study under Room and Elevated Temperature Conditions
Experimental and Analytical Investigation of Masonry and Sandwich Wall Infill Effects on Reinforced Concrete Frames: A Comparative Study under Room and Elevated Temperature Conditions |
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| © 2024 by IJETT Journal | ||
| Volume-72 Issue-2 |
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| Year of Publication : 2024 | ||
| Author : Syed Abdul Rahman, Satyanarayanan |
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| DOI : 10.14445/22315381/IJETT-V72I2P116 | ||
How to Cite?
Syed Abdul Rahman, Satyanarayanan, "Experimental and Analytical Investigation of Masonry and Sandwich Wall Infill Effects on Reinforced Concrete Frames: A Comparative Study under Room and Elevated Temperature Conditions," International Journal of Engineering Trends and Technology, vol. 72, no. 2, pp. 142-153, 2024. Crossref, https://doi.org/10.14445/22315381/IJETT-V72I2P116
Abstract
Infilled frames were made using various infilled materials, commonly masonry. This research paper concentrates on constructing lightweight infilled frames using sandwich wall panels made of polyurethane (PU). In this research, a total of seven Reinforced Concrete (RC) frames were considered, including bare frames, infilled frames using masonry, sandwich wall panels, and frames laminated with GFRP. Elevated temperature, as well as room temperature, was considered to study the thermal characteristics of different configurations of frame structures. This study attempts to evaluate the impact of temperature on the stiffness and load-carrying capacity of bare and infilled frames. Initially, the behavior of the frames at high temperatures was analytically studied using ABAQUS. Experimental tests were carried out to verify the analytical results. At elevated temperatures, experimentation was carried out on sandwich-wall panels and RC frames filled with masonry. Static loading was applied to the frames, and ultimate strength, failure modes, and deformations were noted. The research offers a significant understanding of the behavior of sandwich wall panels and RC frames filled with masonry walls at high temperatures. The masonry infilled frames compared with the sandwich wall panel and the sandwich wall panel show minimal difference in ultimate load-carrying capacity but higher stiffness. Additionally, GFRP laminates were introduced to prevent the failure of the sandwich panel. Infilled frames using sandwich panels with GFRP laminates depict 4.49% higher load-carrying capacity compared to the infilled frame using sandwich panels.
Keywords
RC frames, Sandwich panel, Transient temperature, Finite element analysis, Failure modes.
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