Vertical ground movements near elm trees

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Journal titleGeotechnique
Pages1932; # of pages: 14
Subjectmarine clay; elm (wood); foundations; epeirogeny; climatic loads; Basements and foundations
AbstractVertical ground movements were investigated near a line of high elm trees growing in Leda clay soil, a marine deposit found extensively in the Ottawa St Lawrence Lowlands. The amplitude of these movements was found to be a function of depth, horizontal distance from trees, and seasonal weather conditions. Based on results obtained for the record dry year of 1955, a chart was prepared which could be used as a guide for the design of foundations near high elm trees in these clays. These ground movements were also related to " soil moisture depletion", a quantity computed from weather records. An analysis of the ground movements over a period ( 1954-57) was made and a method for computing them from weather records is given.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number5672
NPARC number20373906
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Record identifier95e8731f-23cb-41e7-8804-747301eafee0
Record created2012-07-23
Record modified2016-05-09
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