Impulsive Punching of Fiber-Reinforced Concrete Slabs

by Pietro G. Gambarova, (M.ASCE), Milan Univ of Technology, Milan, Italy,
Cristiano Schumm, Milan Univ of Technology, Milan, Italy,



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

The behavior of FRC slabs reinforced with polymeric fibers (polyacrylonitrile fibers PAN) and subjected to impulsive punching is analyzed here in order to clarify to what extent the fibers affect the toughness of the composite and the collapse of the slabs. The results presented here (49 tests) show that the fiber content can markedly modify the strength and the collapse mechanism, with no major variations in the total energy dissipated during the cracking process, which is characterized by the formation of a truncated cone accompanied by several radial cracks.



Subject Headings: Fibers | Punching shear | Fiber reinforced concrete | Concrete slabs | Fiber reinforced composites | Slabs | Penetration tests | Construction materials

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