Development of Constitutive Models for Chopped Fibre Reinforced Concrete
Lead: Helmi Alguhi
This research project is an analytical and experimental evaluation of how chopped fibre reinforced concrete (CFRC) beams respond under service loads in terms of crack width, deflection, and stiffness as well as under ultimate loads in terms of strength, failure mode, and ductility. This study aims to create a constitutive model of CFRC using experimental and inverse analysis approaches to suitable for larger scale members.
The model will be based on ongoing experiments as well as previously published experimental data available in the literature. The overall goal of this study is to provide a better understanding and ability to propose design provisions that account for the effect of CFRC on the service and ultimate strength reinforced concrete members, including those reinforced with fibre-reinforced polymer bars. Based on preliminary FEA findings, the shear strength was significantly increased by increasing the steel fibre percentage; crack width and deflection were reduced by increasing the steel fibre content.
This research project is an analytical and experimental evaluation of how chopped fibre reinforced concrete (CFRC) beams respond under service loads in terms of crack width, deflection, and stiffness as well as under ultimate loads in terms of strength, failure mode, and ductility. This study aims to create a constitutive model of CFRC using experimental and inverse analysis approaches to suitable for larger scale members.
The model will be based on ongoing experiments as well as previously published experimental data available in the literature. The overall goal of this study is to provide a better understanding and ability to propose design provisions that account for the effect of CFRC on the service and ultimate strength reinforced concrete members, including those reinforced with fibre-reinforced polymer bars. Based on preliminary FEA findings, the shear strength was significantly increased by increasing the steel fibre percentage; crack width and deflection were reduced by increasing the steel fibre content.
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