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http://dx.doi.org/10.1515/ijnaoe-2015-0051

Lab-scale impact test to investigate the pipe-soil interaction and comparative study to evaluate structural responses  

Ryu, Dong-Man (Department of Naval Architecture and Ocean Engineering, Pusan National University)
Lee, Chi-Seung (Department of Naval Architecture and Ocean Engineering, Pusan National University)
Choi, Kwang-Ho (Department of Naval Architecture and Ocean Engineering, Pusan National University)
Koo, Bon-Yong (Korea Energy Technology Center, American Bureau of Shipping)
Song, Joon-Kyu (Korea Energy Technology Center, American Bureau of Shipping)
Kim, Myung-Hyun (Department of Naval Architecture and Ocean Engineering, Pusan National University)
Lee, Jae-Myung (Department of Naval Architecture and Ocean Engineering, Pusan National University)
Publication Information
International Journal of Naval Architecture and Ocean Engineering / v.7, no.4, 2015 , pp. 720-738 More about this Journal
Abstract
This study examined the dynamic response of a subsea pipeline under an impact load to determine the effect of the seabed soil. A laboratory-scale soil-based pipeline impact test was carried out to investigate the pipeline deformation/strain as well as the interaction with the soil-pipeline. In addition, an impact test was simulated using the finite element technique, and the calculated strain was compared with the experimental results. During the simulation, the pipeline was described based on an elasto-plastic analysis, and the soil was modeled using the Mohr-Coulomb failure criterion. The results obtained were compared with ASME D31.8, and the differences between the analysis results and the rules were specifically investigated. Modified ASME formulae were proposed to calculate the precise structural behavior of a subsea pipeline under an impact load when considering sand- and clay-based seabed soils.
Keywords
Subsea pipeline; Pipe impact test; Pipeline-soil interaction; Pipe deformation; Finite element analysis;
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Times Cited By KSCI : 1  (Citation Analysis)
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