Impact of Reinforcement Ratio on Shear Behavior of I-Shaped UHPC Beams with and without Fiber Shear Reinforcement.

Regardless of the fiber presence in the test beams, the cracking loads have a decreasing trend as the reinforcement ratio increases.

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While the steel fiber use has no notable impact on the cracking load for low volume fractions, regardless of fiber type, the cracking load shows an increasing trend for high fiber volume fractions.

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