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Abstract: The employment of Fiber Reinforced Concrete (FRC) in precast tunnel segments in combination or not with conventional rebars is rising in the two last decades [1]. Steel Fiber Reinforced Concrete (SFRC) is generally used, even though there is a growing interest in the scientific community on polypropylene (PP) fibers for use in structural applications. In fact, in the last decade, important...
Abstract: In the scientific community and among designers there is a growing interest on macro-synthetic fibers for use in underground structures, especially for precast tunnel segmental linings. Segment reinforcement is generally designed according to the design actions on tunnel segments, resulting from segment transportation, placing process and ground pressure in the final state. In particular,...