Journal
SHOCK WAVES
Volume 33, Issue 1, Pages 75-80Publisher
SPRINGER
DOI: 10.1007/s00193-022-01112-3
Keywords
Ammonium nitrate; Beirut; Explosion; Tall buildings; Overpressure models; Blast damage scale
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This study focuses on the blast damage of tall buildings near the explosion site in the 2020 Beirut port's ammonium nitrate explosion. It analyzes the relationship between overpressure and distance by comparing theoretical calculations, blast damage scale, and real post-explosion images. A range of overpressure values were observed, with better match found for buildings at closer distances.
The 2020 Beirut port's ammonium nitrate explosion led to the most severe damage, in terms of human lives and property loss, ever seen in the history of Beirut, the capital of Lebanon. The current study focuses on the blast damage of tall buildings near the explosion site and analyses the overpressure/distance relationship based on the comparison between theoretical calculations, the blast damage scale from the SFPE Handbook of Fire Protection Engineering, and real post-explosion images. The estimated trinitrotoluene equivalent blast size for the research is assumed to be 713 tons. Six tall buildings at different distances were included in the research and divided into categories. Theoretical overpressure models of Baker's, Sadovski's, and Alonso's methods and Blast Operational Overpressure Model were used in combination with the Kingery-Bulmash Blast Parameter online calculator. A wide range of overpressure values were observed. The calculated values from the theoretical overpressure models were incorporated into the blast damage scale and compared with the real images, with the better match being mainly demonstrated for buildings at closer distances.
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