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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Stress-Strain Properties of Fiber Reinforced Mortar in Compression
Author(s): David A. Fanella and Antoine E. Naaman
Publication: Journal Proceedings
Appears on pages(s): 475-483
Keywords: composite materials; compressive strength; fiber reinforced con-cretes;glass fibers; metal fibers; mortars (material); polypropylene fibers;
Abstract:With the increasing use of fiber reinforced concrete as a structural material, more information on its mechanical properties is needed. This paper attempts to characterize the stress-strain properties of fiber reinforced concrete mortar in compression. A comprehensive experimental program was designed to show how the addition of steel, slass, monofilament polypropylene, and twisted polypropylene fibers in various volume fractions affected the compressive stress-strain curves of three mortar matrices. In general, the fibers confined the material and delayed the crack propagation, thus producing an in-crease in the peak strain and the postpeak ductility. An analytical relationship is proposed to predict the complete stress-strain curve of fiber reinforced mortar in compression. Analytical expressions relating the key parameters of the stress-strain curve and the toughness index of the composite with the fiber reinforcing parameters are derived. They can be used as a first approximation in design.
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