The performance of tied-back sheet piling in clay

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Journal titleCanadian Geotechnical Journal
Pages206218; # of pages: 13
Subjecttie back systems; sheet piles; clay soils; soil tests; palplanche; sol argileux; essai de sol
AbstractIn Ottawa in 1969 a tied-back sheet pile wall was installed to provide temporary support in one side of a 12 m deep excavation through Champlain Sea deposits to shale bedrock. The wall was designed to permit as little yield as possible in order to safeguard the vital operation of an adjacent transformer building. To assess the performance of this structure, measurements of vertical movements of the surface adjacent to the wall, horizontal displacements of the wall, tendon loads and ground-water pressures were made as the excavation progressed. A series of triaxial tests was carried out in the laboratory to determine the form and magnitude of soil deformations under stress changes approximating those derived from the field measurements. Reasonable correlation is obtained when the results of these tests are used to estimate soil displacements in the field situation. The measured tendon loads are compared with those that would be expected using current design methods.
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AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number12368
NPARC number20374761
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Record identifier556daa8f-646d-4fd5-8289-be06079ec7a3
Record created2012-07-23
Record modified2016-05-09
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