Numerical Investigations on Stability Analysis of Buried Pipelines with Varying Cross-Sectional Shapes to Blast Loading
Publication: Geo-Congress 2024
ABSTRACT
The fabrication of buried pipelines has been a significant part of human history because of its social and strategic importance. This paper presents a numerical study of the response of buried pipelines in soil to surface blast loading for varying cross-sectional shapes of pipelines. A 3D finite element model (FEM) is developed to simulate the dynamic response of the buried pipeline for blast loading to replicate the actual site conditions. The Coupled-Eulerian-Lagrangian (CEL) technique is adopted for the numerical modeling of this problem. Finally, a relative comparison between the blast responses of varying cross-sectional shapes is performed, and a corresponding discussion is made. The results showed that the varying cross-sectional shape significantly affected the pipeline’s dynamic response. The findings of this study provide valuable insight into the response of buried pipelines of different cross-sectional forms beneath soil for surface blast loading.
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Geo-Congress 2024
Pages: 507 - 517
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Published online: Feb 22, 2024
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