Researchers in engineering and sciences have consistently carried out relevant studies on different ways to minimize the use of natural resources and to control environmental pollution. Aggregates used in concrete are generally obtained from rocks while huge collection of scrap tires are one of the biggest form of wastes in our societies throughout the world. Studies have shown that aggregates in conventional concrete (CC) can be partially replaced with crumb rubber particles. This type of concrete can be referred to as Crumb Rubber Concrete (CRC). Confinement of crumb rubber concrete and conventional concrete have shown to increase their compressive strengths. However, the behavior of CRC confined with Carbon Fiber Reinforced Polymer (CFRP) sheets at elevated temperatures is still unknown. The knowledge and application of this could lead to a cost-effective and practical consideration in fire safety design. Therefore, this study examines the confined compressive strength of CRC confined with CFRP sheets at elevated temperatures. Finite Element Models (FEM) of CC and CRC with and without confinement were developed at room temperature and validated with literature, American Concrete Institute (ACI), and an indirect reference to the real behavior of the material. FEM results agreed reasonably with these sources. Finite element models of confined CC and confined CRC were subjected to elevated temperature and compared with the finite element model of confined CC and confined CRC respectively at room temperature. It was found that models under service confined compressive stress subjected to elevated temperature of 120°C experienced strength loss in the range of 46% to 51% when compared with the room temperature. Accordingly, a strength loss in the range of 34% to 56% was observed for models under maximum confined compressive stress. An example of an axially loaded CFRP-confined CRC column with explanations to calculate the nominal load capacity of a modeled column at room temperature and elevated temperature using our data was also carried out. The percentage difference between the calculated and the model were respectively 3% and 12.1% at room and elevated temperature.
| Published in | Engineering and Applied Sciences (Volume 8, Issue 3) |
| DOI | 10.11648/j.eas.20230803.11 |
| Page(s) | 36-46 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2023. Published by Science Publishing Group |
Carbon Fiber Reinforced Polymer, Conventional Concrete, Crumb Rubber Concrete, Elevated Temperatures, Compressive Strength
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APA Style
Mohammed Faruqi, Ajibola Habeeb Alamutu, Breanna Bailey, Francisco Aguiniga. (2023). Behavior of Fiber Reinforced Polymer (FRP) Confined Crumb Rubber Concrete at Elevated Temperatures. Engineering and Applied Sciences, 8(3), 36-46. https://doi.org/10.11648/j.eas.20230803.11
ACS Style
Mohammed Faruqi; Ajibola Habeeb Alamutu; Breanna Bailey; Francisco Aguiniga. Behavior of Fiber Reinforced Polymer (FRP) Confined Crumb Rubber Concrete at Elevated Temperatures. Eng. Appl. Sci. 2023, 8(3), 36-46. doi: 10.11648/j.eas.20230803.11
AMA Style
Mohammed Faruqi, Ajibola Habeeb Alamutu, Breanna Bailey, Francisco Aguiniga. Behavior of Fiber Reinforced Polymer (FRP) Confined Crumb Rubber Concrete at Elevated Temperatures. Eng Appl Sci. 2023;8(3):36-46. doi: 10.11648/j.eas.20230803.11
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Download@article{10.11648/j.eas.20230803.11,
author = {Mohammed Faruqi and Ajibola Habeeb Alamutu and Breanna Bailey and Francisco Aguiniga},
title = {Behavior of Fiber Reinforced Polymer (FRP) Confined Crumb Rubber Concrete at Elevated Temperatures},
journal = {Engineering and Applied Sciences},
volume = {8},
number = {3},
pages = {36-46},
doi = {10.11648/j.eas.20230803.11},
url = {https://doi.org/10.11648/j.eas.20230803.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.eas.20230803.11},
abstract = {Researchers in engineering and sciences have consistently carried out relevant studies on different ways to minimize the use of natural resources and to control environmental pollution. Aggregates used in concrete are generally obtained from rocks while huge collection of scrap tires are one of the biggest form of wastes in our societies throughout the world. Studies have shown that aggregates in conventional concrete (CC) can be partially replaced with crumb rubber particles. This type of concrete can be referred to as Crumb Rubber Concrete (CRC). Confinement of crumb rubber concrete and conventional concrete have shown to increase their compressive strengths. However, the behavior of CRC confined with Carbon Fiber Reinforced Polymer (CFRP) sheets at elevated temperatures is still unknown. The knowledge and application of this could lead to a cost-effective and practical consideration in fire safety design. Therefore, this study examines the confined compressive strength of CRC confined with CFRP sheets at elevated temperatures. Finite Element Models (FEM) of CC and CRC with and without confinement were developed at room temperature and validated with literature, American Concrete Institute (ACI), and an indirect reference to the real behavior of the material. FEM results agreed reasonably with these sources. Finite element models of confined CC and confined CRC were subjected to elevated temperature and compared with the finite element model of confined CC and confined CRC respectively at room temperature. It was found that models under service confined compressive stress subjected to elevated temperature of 120°C experienced strength loss in the range of 46% to 51% when compared with the room temperature. Accordingly, a strength loss in the range of 34% to 56% was observed for models under maximum confined compressive stress. An example of an axially loaded CFRP-confined CRC column with explanations to calculate the nominal load capacity of a modeled column at room temperature and elevated temperature using our data was also carried out. The percentage difference between the calculated and the model were respectively 3% and 12.1% at room and elevated temperature.},
year = {2023}
}
TY - JOUR T1 - Behavior of Fiber Reinforced Polymer (FRP) Confined Crumb Rubber Concrete at Elevated Temperatures AU - Mohammed Faruqi AU - Ajibola Habeeb Alamutu AU - Breanna Bailey AU - Francisco Aguiniga Y1 - 2023/06/09 PY - 2023 N1 - https://doi.org/10.11648/j.eas.20230803.11 DO - 10.11648/j.eas.20230803.11 T2 - Engineering and Applied Sciences JF - Engineering and Applied Sciences JO - Engineering and Applied Sciences SP - 36 EP - 46 PB - Science Publishing Group SN - 2575-1468 UR - https://doi.org/10.11648/j.eas.20230803.11 AB - Researchers in engineering and sciences have consistently carried out relevant studies on different ways to minimize the use of natural resources and to control environmental pollution. Aggregates used in concrete are generally obtained from rocks while huge collection of scrap tires are one of the biggest form of wastes in our societies throughout the world. Studies have shown that aggregates in conventional concrete (CC) can be partially replaced with crumb rubber particles. This type of concrete can be referred to as Crumb Rubber Concrete (CRC). Confinement of crumb rubber concrete and conventional concrete have shown to increase their compressive strengths. However, the behavior of CRC confined with Carbon Fiber Reinforced Polymer (CFRP) sheets at elevated temperatures is still unknown. The knowledge and application of this could lead to a cost-effective and practical consideration in fire safety design. Therefore, this study examines the confined compressive strength of CRC confined with CFRP sheets at elevated temperatures. Finite Element Models (FEM) of CC and CRC with and without confinement were developed at room temperature and validated with literature, American Concrete Institute (ACI), and an indirect reference to the real behavior of the material. FEM results agreed reasonably with these sources. Finite element models of confined CC and confined CRC were subjected to elevated temperature and compared with the finite element model of confined CC and confined CRC respectively at room temperature. It was found that models under service confined compressive stress subjected to elevated temperature of 120°C experienced strength loss in the range of 46% to 51% when compared with the room temperature. Accordingly, a strength loss in the range of 34% to 56% was observed for models under maximum confined compressive stress. An example of an axially loaded CFRP-confined CRC column with explanations to calculate the nominal load capacity of a modeled column at room temperature and elevated temperature using our data was also carried out. The percentage difference between the calculated and the model were respectively 3% and 12.1% at room and elevated temperature. VL - 8 IS - 3 ER -
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