Instrumentation for negative skin friction studies on long piles in marine clay on the Autoroute du Quebec

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AbstractThe overpass at Highway 41 on the Quebec Autoroute at Berthierville will be supported by 39-in, diameter composite end-bearing piles founded on bedrock 270 ft below the ground surface. The imposed loads fromnegative skin friction caused by the consolidation of the marine clay subsoils may reach two-thirds of the design capacity of the pile. To study the phenomenon of negative skin friction, tvro prototype piles were instrumented and a floating test pile installed. The instrumentation included settlement gauges,piezometers, deformation gauges, strain meters, thermocouples and a slope inclinometer tube. The designdetails of the instr umentation are given and their performance discussed.
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AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number10046
NPARC number20386462
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Record identifier130bb8ea-4946-49d3-9dd5-6e7245671308
Record created2012-07-25
Record modified2016-05-09
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