On measuring the shear strength of ice

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Proceedings titleProceedings: the 9th International Symposium on Ice, Sapporo, Japan, August 23-27, 1988, IAHR Committee on Ice Problems
Conference9th International Symposium on Ice, August 23-27, 1988, Sapporo, Japan
Pages7688; # of pages: 13
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
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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AffiliationNational Research Council Canada; NRC Institute for Research in Construction
NoteReprinted as "National Research Council Canada, IRC paper IRC-P-1612"
Peer reviewedYes
NPARC number23000232
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Record identifier56b387f0-c9ae-4eb6-b8ae-c701a350a164
Record created2016-06-22
Record modified2016-06-22
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