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http://dx.doi.org/10.5000/EESK.2002.6.2.051

Response Analysis of Buried Pipeline Subjected to Longitudinal Permanent Ground Deformation  

김문겸 (연세대학교 공과대학 사회환경·건축공학부 토목전공)
임윤묵 (연세대학교 공과대학 사회환경·건축공학부 토목전공)
김태욱 (연세대학교 공과대학 토목공학과 응용역학 연구실)
박종헌 (연세대학교 공과대학 토목공학과 응용역학 연구실)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.6, no.2, 2002 , pp. 51-61 More about this Journal
Abstract
In this research, a numerical algorithm is developed for the response analysis of burined pipelines considering longitudinal permanent ground deformation(PGD) due to liquefaction induced lateral spreading. Buried pipelines and surrounding soil are modeled as continuous pipelines using the beam elements and a series of elasto-plastic springs represented for equivalent soil stiffness, respectively. Idealized various PGD patterns based on the observation of PGD are used as a loading configuration and the length of the lateral spread zone is considered as loading parameter. Numerical results are verified with other research results and efficient applicability of developed procedure is shown. Analyses are performed by varying different parameters such as PGD pattern, pipe diameter and pipe thickness. Through these procedures, relative influences of various parameters on the response of buried pipeline subject to longitudinal PGD are investigated.
Keywords
buried pipeline; numerical analysis; equivalent soil stiffness; PGD pattern; relative influence;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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