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Concrete beams reinforced with glass fiber-reinforced polymer bars exhibit large deflections and crack widths compared with concrete members reinforced with conventional steel. In this work, the current design methods for predicting deflections under loading and crack widths are developed using the same theory with some additional parameters. Based on the research work presented in this paper and past studies, a theoretical correlation for predicting the crack width and deflection is proposed by testing six concrete beams; specifically two sets are reinforced with different glass fiber-reinforced polymer of reinforcement ratios and one set is used as the control beam. The research objective is to analyze the behavior of the beams under loading and obtain the differences in their behavior in terms of the following parameters: deflections; cracks, and general bearing capacity.

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. Kijawatworawet 2005 Crack Width Due to Corroded Bar in Reinforced Concrete Structures International Journal of Materials & Structural Reliability 3 2 87

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significantly declined the crack width of the restrained samples along with reduced free shrinkage. Kinuthia et al. [ 32 ] noted inflation in autogenous shrinkage of cement pastes at 5% and 10% replacement levels with MK. At the same time declination of

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, similarly to the tensile strength of concrete, is also related to the inclined cracking load [ 3 ]. In case when the longitudinal reinforcement ratio is low, flexural cracks open wider. This increase in crack width causes a decrease in the values of the

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Pollack Periodica
Authors: Bode Venkata Kavyateja, J. Guru Jawahar, Chundupalle Sashidhar, and Narasimha Reddy Panga

compensated by an addition in the sand content of the SCC mixes. The experimental results indicated a similarity in the overall failure mode in terms of the cracking pattern, crack width and height in SCC and NC beams. The ultimate shear capacity of SCC beams

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