Properties of High-Strength Fiber Reinforced Concrete


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Title: Properties of High-Strength Fiber Reinforced Concrete

Author(s): Antoine E. Naaman and Joseph R. Homrich

Publication: Special Publication

Volume: 87


Appears on pages(s): 233-250

Keywords: bonding; compressive strength; ductility; fiber rein-forced concretes; high-strength concretes; stress-strain relation-ships; yield strength.

Date: 9/1/1985

The use of high strength concrete is attractive in precast prestressed concrete structures and in earthquake resistant structures for which a reduction in mass is of paramount importance. Yet applications of high strength concrete are hindered by its relative brittleness. Such a drawback can be overcome by addition of fibers. The present study describes the main effects of fiber reinforcement on the compressive stress-strain properties of high strength fiber reinforced mortar and concrete. The influence of various fiber reinforcing parameters such as volume fraction of fibers, aspect ratio, and type of fibers is illustrated. Trade-offs to achieve ductility while maintaining high strength are explained.