TECHNIQUES FOR MEASURING STRESS IN SEA ICE
This report describes two techniques for measuring stress in situ in sea ice sheets. A technique using embedded load cells has been found successful in measuring compressive creep or failure stresses as well as moderate tensile stresses. A stress relief technique has been investigated and found unsuccessful. Design details are presented on transducers for each technique and cold-hardy instrumentation is discussed. A technique using inflated air bags to produce known stress fields is presented.
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Corporate Authors:
University of Alaska, Fairbanks
Alaska Sea Grant Program, Resources Building
Fairbanks, AK United States 99775-5040 -
Authors:
- Nelson, R D
- Tauriainen, M
- Borghorst, J
- Publication Date: 1977-1
Media Info
- Pagination: 72 p.
Subject/Index Terms
- TRT Terms: Dynamics; Ice; Ice phenomena; Measurement; Physical properties; Stresses
- Uncontrolled Terms: Ice properties; Stress intensity factors
- Old TRIS Terms: Ice dynamics; Ice measurement
- Subject Areas: Hydraulics and Hydrology; Marine Transportation; Materials;
Filing Info
- Accession Number: 00169951
- Record Type: Publication
- Source Agency: Sea Grant 70'S
- Report/Paper Numbers: ASG-R-77-1
- Files: TRIS
- Created Date: Feb 16 1978 12:00AM