On measuring the shear strength of ice

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DOIResolve DOI: http://doi.org/10.4224/20375356
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TypeTechnical Report
Series titlePaper (National Research Council Canada. Institute for Research in Construction); no. IRC-P-1612
Conference9th International Symposium on Ice, August 23-27, 1988, Sapporo, Japan
Subjectice; shear strength; test procedures; finite element analysis; beams; four-point asymmetric loading; internal stress fields; specimen geometries; loading geometries; shear stresses; columnar-grained freshwater ice; stress concentrations reduction; ice shear testing method proposal; méthode d'esai; résistance au cisaillement
AbstractFinite element analysis of beams subjected to four-point asymmetric loading has been used to calculate the internal stress fields for different specimen and loading geometries. The shear stresses determined from these stress fields were significantly different from those calculated from simple beam theory. Laboratory experiments done on samples of columnar-grained fresh water ice showed that consistent values of shear strength were obtained provided specimen and loading geometries did not vary beyond a particular range. At -10 deg C an average shear strength of 600 kPa was determined. Special measures taken to reduce stress concentrations at the load application points resulted in an increase of the average shear strength to 1100 kPa. Based on this experience, a shear testing method for ice is proposed.
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PublisherNational Research Council Canada. Institute for Research in Construction
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AffiliationNational Research Council Canada; NRC Institute for Research in Construction
NoteReprinted from: Proceedings of the 9th International Symposium on Ice, Sapporo, Japan, August 23-27, 1988, IAHR Committee on Ice Problems, vol. 3, p. 76-88
Peer reviewedNo
NRC numberNRCC 30756
NPARC number20375356
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Record identifier11f59b37-ce0c-425e-a802-97e1a170daa2
Record created2012-07-23
Record modified2017-06-19
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