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Evaluation of Pressure Distribution in Buried Pipes with Liquid in the Explosion

Authors
  • Parviz, M.
  • Aminnejad, B.
  • Fiouz, A.R.
Type
Published Article
Journal
Archives of Civil Engineering
Publisher
Sciendo
Publication Date
Sep 01, 2019
Volume
65
Issue
3
Pages
3–14
Identifiers
DOI: 10.2478/ace-2019-0030
Source
De Gruyter
Keywords
License
Green

Abstract

In this Paper, a parametric study on pipes buried in soil was performed illustrating the results of blast loading. Effects of various parameters such as the physical properties of water, oil, gas, air, soil, pipes, and TNT have been investigated. The arbitrary Lagrangian-Eulerian (ALE) method was employed using LS-DYNA software. The maximum pressure in a buried pipe explosive was observed at an angle of about 0° to 45° and the minimum pressure occurred at an angle of about 45° to 90°. Therefore, all figures in this study illustrate that fluid pressure levels in buried pipes can help in their stabilization. In generally, by increasing the 1.23 times of liquid density under the explosion, the pressure levels in the soil decreased by 1.3 percent. The gas pressure has been increasing more than oil and water pipes 39.73 and 40.52 percent, respectively.

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