Beirut blast one of largest non-nuclear explosions in history, says UK university study

  • 10/5/2020
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More than 190 people killed in the Aug. 4 tragedy LONDON: The Beirut port disaster was one of the largest non-nuclear explosions ever recorded, according to a UK university study. The devastating blast yielded the equivalent of between 500 and 1,100 tons of TNT, researchers from Sheffield University’s Civil and Structural Engineering department said. The report put the blast, which tore through the Lebanese capital and killed more than 190 people on Aug. 4, at one-twentieth the strength of the atomic bomb dropped on Hiroshima in 1945, which was in the range of 13-15 kilotons of TNT equivalent. The study, by the university’s Blast and Impact Engineering Research Group, was published in the journal Shock Waves. It used videos and imagery from social media to determine how the explosion’s shockwave flew across Beirut and the impact it left in its wake. “The Beirut explosion is interesting because it sits almost directly in a sort of no-man’s land between the largest conventional weapons and nuclear weapons,” Dr. Sam Rigby, from the research group, told BBC News. “It was about 10 times bigger than the biggest conventional weapon, and 10 to 20 times smaller than the early nuclear weapons.” Judging by the study’s findings, the Beirut blast was in the top 10 in terms of the most powerful accidental man-made explosions in history, Rigby added. “Beirut’s certainly the most powerful non-nuclear explosion of the 21st century.” The group hopes its findings can assist emergency planners deal better with similar disasters in the future, with data assisting first responders to help predict the nature of injuries and any structural damage at various distances from a blast. “The disaster that hit Beirut this summer was devastating and we hope that nothing like that ever happens again. This was an unprecedented event because never before has such a large explosion been so well-documented,” Rigby said. “The reason why we decided to analyse the explosion is because, as engineers, it’s our job to use the skills and resources we have at our disposal to solve problems and ultimately to help people.

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