Abstract
Durability is the ability to last a long time without significant deterioration. Hybrid fiber reinforced concrete (HFRC) proves to be durable material, which is effective in resisting the damage caused due to freezing and thawing due to synergistic performance of hybrid fibers. The objectives of the work described in this paper were aimed at comparing the relative strength of Hybrid fiber reinforced concrete (HFRC) with that of mono fiber reinforced concrete (FRC) and plain concrete without fibers (ref. mix) subjected to freezing and thawing. The combination of fibers used in the experimentation are (Steel + Polypropylene),(Steel +Galvanized Iron),(Steel + High density polyethylene).Strength parameters considered are compressive strength, split tensile strength, flexural strength and impact strength and tested as per relevant IS specifications. It has been concluded that the performance of hybrid fibers in concrete is better than that of mono fiber concrete for improved durability in resisting the destructive effect of freezing and thawing and also for strength enhancement.
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