Abstract

The durability properties fo 4 types of fiber reinforced cement composites are compared. The 4 composites are conventional steel, polypropylene, glass fiber reinforced mortar, and slurry-infiltrated fiber concrete (SIFCON). Study results indicate that polypropylene fiber reinforced mortar has the best overall durability, while glass fiber reinforced mortar shows the poorest overall performance. Steel fiber reinforced mortar showed noticeable reduction in flexural strength and a dramatic reduction in toughness. For SIFCON, the reductions in both strength and toughness were moderate. A prediction model for the long-term deterioration of steel fiber reinforced mortar is proposed, and a sample analysis is performed. The results of the analysis are discussed.

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