Frost heave during winter construction of a building in Ottawa, Canada

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Pages185194; # of pages: 10
Subjectfrost heaving; freeze thaw cycles; winter; construction technology
AbstractSevere temperature conditions at the beginning of the winter caused freezing below shallow footings and floors on grade in an institutional building in Ottawa while it was under construction. Founded on a frost-susceptible soil the building was heaved differentially and damage to floors and partitions resulted. The reinforced concrete frame wracked in the exterior bays by as much as 35 mm vertically, settled back upon thawing approximately to its original position and suffered no serious structural damage. The observations that were made following the discovery that frost heaving had occurred and the measurements taken until all settlement upon thawing had stopped are described.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number16578
NPARC number20358689
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Record identifierd516d092-3992-4419-927d-7ba4ee707fdd
Record created2012-07-20
Record modified2016-05-09
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