Study on the Impact of Varying Degrees of Underground Accidental Explosions on Underground Pipes by Simulation

Akinola Johnson Olarewaju


Underground accidental explosions are caused by the detonation of explosive materials (solid, liquid or gas) stored below the ground surface. In this study, response of underground pipes due to varying degrees of underground accidental explosions was studied using ABAQUS code. Pipes buried in loose sand, dense sand and undrained clay at 1m depth below the ground surface were modelled. The material properties as revealed by several researchers were used. Pipe and soil materials were limited to linear, elastic, homogeneous and isotropic. The observed parameters are displacement, pressure, stress and strain at the crown, invert and spring-line of underground pipes. The results showed that irrespective of the ground media, displacement increases linearly as the loading wave velocity increases. Even though there is wide variation in the results due to dilations and compressions caused by the transient stress pulse of compression wave, observed parameters increases as the loading wave velocity increases.

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Earth Science Research   ISSN 1927-0542 (Print)   ISSN 1927-0550 (Online)  Email:

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