Pipe-soil interaction analysis of jointed water mains

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Journal titleCanadian Geotechnical Journal
Pages393404; # of pages: 12
SubjectWater mains
AbstractWater mains are important lifelines of modern urban infrastructure. However, in most developed countries, the average life of these cast or ductile iron pipes approaches 50?75 years. In recent years, the disruption of water sevices as a consequence of water main breaks is on the rise in most Cadadian cities. This paper describes the developement of a simplified Winkler model to stimulate the responses of a jointed water main subjected to differential temperature change and water pressure. The simplified Winkler model accounts for axial and radial restraints offered by the surronding soil. In spite of its simplicity, the Winkler model is able to predict the overall response of strains and stresses, which confirms satisfactorily some of heuristic and documented observations on water main breaks.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number39029
NPARC number20375835
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Record identifierfa6c029e-ebea-430c-b0b0-559449263975
Record created2012-07-23
Record modified2016-05-09
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