Study on Application of RC Girders with Ultra-High-Strength Synthetic Fiber Reinforced Concrete to Actual Bridges

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  • 超高強度域合成繊維補強コンクリートを用いたRC桁部材の実橋梁への適用に関する研究

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<p>Aiming at the structural application of ultra-high-strength synthetic fiber reinforced concrete (PVA-UFC), which can reduce the weight and extend the service life of structures, a trial design of a superstructure was conducted assuming the replacement of an actual bridge, and the performance was confirmed through loading tests on the test-designed girder. High-strength steel bars were used for the main bars, and the limit value was set higher than usual. However, the crack width remained within a range that poses no durability issues owing to the crack suppression effect of the fibers.</p>

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