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The objective of this research is to determine if the deflection equations currently adopted in ACI 440.1r-15 and previously ACI 440.1r-06 accurately reflect the flexural behavior of an over-reinforced Basalt Fiber Reinforced Polymer (BFRP) concrete beam. This was accomplished with experimental, analytical and numerical models. The experiment consisted of two beams doubly-reinforced with BFRP rebar. A three-point flexural test on beams with a 30 in. clear span was performed and the deflections were recorded with a dial gauge and LVDT system. This data was compared to the equations from ACI 440.1r-06, ACI 440.1r-15, Branson’s equation and a numerical model created in ANSYS Mechanical APDL.
Experimental results show a stiffer beam than expected when compared to the four predictive models for deflection. This can be due to the level of over-reinforcement and the small clear-span to depth ratio. Further research should be conducted to determine the cause for the additional stiffness.
Advisor: | Arockiasamy, Madasamy |
Commitee: | Nagarajan, Sudhagar, Yong, Yan |
School: | Florida Atlantic University |
Department: | Civil Engineering |
School Location: | United States -- Florida |
Source: | MAI 57/01M(E), Masters Abstracts International |
Source Type: | DISSERTATION |
Subjects: | Civil engineering |
Keywords: | Basalt FRP, Deflection, Flexural behavior, Numerical model, Reinforced concrete, Stiffness |
Publication Number: | 10616626 |
ISBN: | 978-0-355-42882-7 |