Behaviour of expansive soils at a water distribution pipe site

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Conference63rd Canadian Geotechnical Conference & 1st Joint CGS/CNC-IPA Permafrost Specially Conference (GeoCalgary): 12 September 2010, Calgary, AB., Canada
Pages14261434; # of pages: 9
Subjectinstrumentation, field monitoring, expansive soils, water pipes
AbstractWater distribution pipes constructed in expansive clay soils are often subjected to severe distress subsequent to construction. Seasonal variations in climatic conditions cause alternate saturation-desaturation in soils that can result in periodic swelling and shrinkage of the expansive soils. The volume changes may cause severe differential movement that will eventually lead to pipe failures. Field instrumentation was installed to monitor the soil conditions around a section of water distribution pipe in an area with expansive soil and where pipe failures were known to be frequent. The instrumentation included sensors to measure in situ soil water content and soil suction, soil movement, soil stress and temperature. This paper presents the data from the first year of monitoring and discusses implications of the preliminary findings.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number53553
NPARC number20374629
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Record identifier959e921d-2cc4-4e91-a49b-3ad27461a40c
Record created2012-07-23
Record modified2016-05-09
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