A laboratory scale technique to simulate a combined blast wave and projectile impact loading on structures

Oussama Atoui, Azer Maazoun, Abdelhafidh Moumen, Bachir Belkassem, Lincy Pyl, David Lecompte

Research output: Unpublished contribution to conferencePoster

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Abstract

This work is a part of a larger research effort to better understand the combined effect of the resulting blast wave and fragments impact following the detonation of a shrapnel bomb . This study presents insights into the establishment of a laboratory scale technique to generate a combined effect of blast and projectile impact loading on a target. In order to reduce the complexity associated to the random nature of the shape of the projectiles, in a first approach, Steel Ball Bearings (SBB) are used. They are embedded in a spherical solid explosive, which is detonated in free air and at the entrance of an Explosive Driven Shock Tube (EDST) using a standard electrical detonator. A data base of the time interval Δt is obtained through the experimental set-up. It has been demonstrated that the Δt is influenced by the charge and projectile parameters (charge shape, charge mass, projectile size) and the Stand Of Distance (SOD) from the centre of the explosion.
Original languageEnglish
Publication statusPublished - 4 May 2022
Event5th Poster Session of the Commission for Scientific Research (CWO) at the Royal Military Academy (RMA) - The Royal Military Academy in Brussels Belgium , Brussels , Belgium
Duration: 4 May 20224 May 2022
Conference number: 5
http://www.sic.rma.ac.be/workshop/rmapostersession2022/#practical

Conference

Conference5th Poster Session of the Commission for Scientific Research (CWO) at the Royal Military Academy (RMA)
Country/TerritoryBelgium
CityBrussels
Period4/05/224/05/22
Internet address

Keywords

  • Combined blast-fragment loading
  • Time interval (Δt)
  • computational model
  • Blast-driven ball bearing
  • Improvised Explosive Device (IED)

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