The modulus of elasticity of leda clay from field measurements

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AuthorSearch for:
TypeArticle
Journal titleCanadian Geotechnical Journal
ISSN0008-3674
Volume1
Issue1
Pages4351; # of pages: 9
Subjectclay soils; elastic modulus; heave; excavations; module de young; soulevement, fouille
AbstractThe construction of the Ottawa Sewage Treatment Plant provided an opportunity to measure bottom heave in two large excavations in clay. With guages installed prior to excavation, elastic heave, swelling, and heave due to pile driving were measured in an excavation 31.5 ft. deep. Using a Poisson's ratio of 0.4, the modulus of elasticity determined from field measurements compared favourably with the initial tangent modulus from the best unconfined compression strength tests. In the other excavation a drop in the ground water table produced an elastic settlement that exceeded the elastic heave resulting from unloading by excavation.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-198
NRC number7589
179
NPARC number20378220
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Record identifierb47f7479-c1d9-409b-b0fa-60e9c2f4324a
Record created2012-07-24
Record modified2016-05-09
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