Direct shear interface tests for pipe-soil interaction assessment

V.M. Meyer, R. Dyvik, David White

Research output: Chapter in Book/Conference paperConference paperpeer-review

6 Citations (Scopus)


© 2015 Taylor & Francis Group, London. Pipe-soil interface friction parameters are a key input for assessing axial pipe-soil interaction behaviour. A series of direct shear interface tests have been performed on reconstituted natural clay from Onsøy, Norway, using polypropylene interface blocks with three different surface roughnesses. The testswere performed at very low effective normal stresses, typical for seabed pipelines (1 to 10 kPa), and at shearing rates of between 0.001 and 0.023 mm/s. Good agreement is observed between the friction coefficients determined from these tests and those from axial model pipe tests performed on the same soil. The results demonstrate the potential of such element tests to define the interface friction parameters for use in effective stress-based axial pipe-soil interaction models. The test results show the strength envelope is a power function of stress level (with no cohesion intercept), with variations due to interface surface roughness and shearing rate.
Original languageEnglish
Title of host publicationFrontiers in Offshore Geotechnics III - Proceedings of the 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG 2015
Place of PublicationThe Netherlands
PublisherCRC Press
ISBN (Print)9781138028500
Publication statusPublished - 2015
Event3rd International Symposium on Frontiers in Offshore Geotechnics - Norway, Oslo, Norway
Duration: 10 Jun 201512 Jun 2015
Conference number: 3


Conference3rd International Symposium on Frontiers in Offshore Geotechnics
Abbreviated titleISFOG


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