Doboku Gakkai Ronbunshu
Online ISSN : 1882-7187
Print ISSN : 0289-7806
ISSN-L : 0289-7806
LARGE DEFORMATION OF BURIED PIPELINE DUE TO GROUND DISPLACEMENT CAUSED BY LATERAL FLOW
Kiyoshi SATOMasaaki MATSUMOTOShiro TAKADAYasuo OGAWA
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2002 Volume 2002 Issue 710 Pages 103-112

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Abstract
A dynamic centrifuge test and FEM analysis were carried out to investigate a seismic behavior of buried pipeline due to lateral flows caused by ground liquefaction. The model of the centrifuge test, which was performed under the centrifugal acceleration of 30g, consisted of a caisson type quay wall, upper unliquefable, lower liquefable layer and high-pressure gas tube with the outer diameter of 600mm in prototype scale including a 90 degree bent part. Lateral flow induced by the deformation of the quay wall made the model pipe a large deformation up to plastic strain level. Furthermore, the applicability of analysis by FEM shell model was verified to simulate the large deformation of pipe model.
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© by Japan Society of Civil Engineers
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