Health & Environmental Research Online (HERO)


Print Feedback Export to File
7682195 
Journal Article 
Relative performance of novel blast wave mitigation system to conventional system based on mitigation percent criteria 
Esa, M; Amin, MS; Hassan, A; , 
2020 
ELSEVIER 
AMSTERDAM 
912-922 
English 
WOS:000645071900003 
Recent researches focused on developing robust blast load mitigation systems due to the threats of terrorist attacks. One of the main embraced strategies is the structural systems that use mitigation techniques. They are developed from a combination of structural elements and described herein as conventional systems. Among the promising techniques is that redirect the waves propagation through hollow tubes. The blast wave propagation through tubes provides an efficient system since it combines many blast wave phenomena, such as reflection, diffraction, and interaction. In this research, a novel blast load mitigation system, employed as a protection fence, is developed using a technique similar to the technique of the bent tube in manipulating the shock-wave. The relative performance of the novel system to the conventional system is evaluated based on mitigation percent criteria. Performances of both systems are calculated through numerical simulation. The proposed novel system proved to satisfy high performance in mitigating the generated blast waves from charges weight up to 500 kg TNT at relatively small standoff distances (5 m and 8 m). It mitigates at least 94% of the blast waves, which means that only 6% of that blast impulse is considered as the applied load on the targeted structure.& nbsp; (c) 2020 China Ordnance Society. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co. This is an open access article under the CC BY-NC-ND license (http:// creativecommons.org/licenses/by-nc-nd/4.0/). 
Blast barriers; Blast mitigation; Mitigation percent; Protection evaluation; Protection system