Fiber Reinforced High-Performance Concrete Beams Material and Structural Behavior

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Title: Fiber Reinforced High-Performance Concrete Beams Material and Structural Behavior

Author(s): M. Marazzini and G. Rosati

Publication: Special Publication

Volume: 182

Issue:

Appears on pages(s): 29-52

Keywords: bond; concretes; cracking; hollow-core slabs; steel fibers; structural ductility; tensile behavior; test methods (concrete)

Date: 5/1/1999

Abstract:
The mechanical behavior of a few plain and fiber-reinforced high performance concretes (fact=80-130 Mpa) is studied here by means of direct tensile tests and three-point bending tests, and a special "identification" Procedure is adopted in order to cleanse the stress-strain and stress-displacement curves of any undesired structural effect. The overall behavior of two P/C beams typifying the sub-elements of a hollow-core slab is examined, with and without fibers, to sturdy crack formation and propagation ( by optical interferometry) and structural ductility.