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Title: Polyvinyl Alcohol Fiber-Reinforced Mortars for Masonry Applications

Author(s): Brian N. Skourup and Ece Erdogmus

Publication: Materials Journal

Volume: 107

Issue: 1

Appears on pages(s): 57-64

Keywords: bond strength; compressive strength; energy absorption; fiberreinforced mortar; flexure; masonry structures; rehabilitation; toughness.

DOI: 10.14359/51663466

Date: 1/1/2010

Fiber-reinforced cementitious systems for concrete structures are increasing in popularity; however, fiber-reinforced mortar (FRM) mixtures for masonry applications have not been extensively studied. In this study, various FRM mixtures using polyvinyl alcohol (PVA) fibers and FRM-clay unit prisms are tested and resulting mechanical properties are discussed. The FRMs are developed specifically for masonry applications such as the rehabilitation, reconstruction, and strengthening of existing masonry structures; therefore, mixtures with low compressive strength and high ductility are desired. Results show that increased toughness, ductility, and energy absorption can be achieved using FRMs in masonry joints without significantly altering the compressive capacity or aesthetics of the structure. The results of the study point out the benefits of using FRMs in masonry applications in terms of improved mechanical characteristics, and provide valuable insight into effective FRM mixture design for masonry applications, suggested empirical formulas for modulus of rupture and modulus elasticity, and directions for future research.