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Abstract ▼ AI-Helper

This study evaluated the mechanical properties and fire resistance of hybrid fiber reinforced concrete for tunnel and underground concrete structures. This research added the steel fiber for the enhance of the flexural performance and the polypropylene fiber added to improve the fire resistance. Thi...

This study evaluated the mechanical properties and fire resistance of hybrid fiber reinforced concrete for tunnel and underground concrete structures. This research added the steel fiber for the enhance of the flexural performance and the polypropylene fiber added to improve the fire resistance. This studies were conducted with experiments of compressive, flexural and fire resistance to evaluate the performance of hybrid fiber reinforced concrete. Specially, this studies mixed the polypropylene fiber to have each other different diameter and length with the steel fiber and maximized the mechanical performance and fire resistance. Test results shows that the hybrid fiber reinforced concrete with the polypropylene and steel blended fiber obtained an enhance of the mechanical performance and protect of spalling.

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