Field tests of fiber reinforced concrete slabs subjected to close-in and contact detonations of high explosives

Hezi Y. Grisaro, David Benamou, Amichai Mitelman

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

This paper presents an experimental research to study the behavior of fiber-reinforced concrete slabs with varying fiber volume and type, subjected to contact and close-in detonations. A total of 25 full-scale blast tests were carried out. The results are analyzed, discussed and compared to fast-running tools. For the close-in detonations, the damage was manifested by a global flexural response and the fiber volume did not affect slab performance. For the contact blasts, localized damage in the forms of cratering, spalling, and in some cases perforation, was observed. For these tests, increasing fiber volume was found to improve slab performance.

Original languageEnglish
Article number104136
JournalInternational Journal of Impact Engineering
Volume162
DOIs
StatePublished - Apr 2022

Keywords

  • Blast
  • Close-in detonations
  • Concrete
  • Contact detonations
  • Fiber reinforcement
  • Fiber volume
  • Field tests

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