Local impact damage behavior of fiber reinforced high strength concrete slabs

Author(s): A. Abadel, H. Abbas, T. Almusallam, Y. Al-Salloum, S. Alsayed, N. Siddiqui, R. Iqbal
Paper category: Conference
Book title: 8th RILEM International Symposium on Fiber Reinforced Concrete: challenges and opportunities (BEFIB 2012)
Editor(s): Joaquim A.O. Barros
Print ISBN: 978-2-35158-132-2
e-ISBN: 978-2-35158-133-9
Publisher: RILEM Publications SARL
Pages: 113 - 122
Total Pages: 9
Language: English

Abstract: This paper presents a series of tests involving the impact of hemispherical nosed steel projectile on fiber reinforced concrete (FRC) slabs. The primary objective of the study was to investigate the local damage behavior of fiber reinforced high strength concrete slabs. The control slabs were 600 mm square, 90 mm thick reinforced with 8 mm diameter steel rebars, whereas 2% crimped steel fibers were added in FRC slabs. The velocity of 40 mm steel projectile was varied within sub-ordinance range and the projectile was made to strike normal to the slab using a gas gun. The slabs were instrumented for recording the state of stress in rebars and hence in the surrounding concrete using strain gauges affixed to the rebars. The slabs were also tested under static load for assessing the punching resistance of slabs using the same projectile. The energy absorption in punching was enhanced by the addition of steel fibers in concrete. The addition of steel fibers was found to improve the local impact damage resistance of reinforced concrete slabs.

Online publication: 2013
Publication Type: full_text
Public price (Euros): 0.00