Failure of an Ice Bridge

In order to verify current theoretical equations on ice bearing capacity, a heavily loaded truck was used to make successive passes over two ice bridges. Equipment, weather and the normal problems associated with field work resulted in only one complete breakthrough test. Breakthrough occurred on on...

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Bibliographic Details
Main Authors: DenHartog,S. L., McFadden ,T., Crook,L.
Other Authors: COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER N H
Format: Text
Language:English
Published: 1976
Subjects:
Snow
Ice and Permafrost
Surface Transportation and Equipment
Mechanics
*BEARING STRENGTH
*ICE FORMATION
*TRUCKS
*RIVERS
THICKNESS
LOAD DISTRIBUTION
LOADS(FORCES)
ALASKA
DEFLECTION
CONSTRUCTION
ICE BREAKUP
Ice bridges
Truck crossings
Ice bearing capacity
Ice
Ice Sheet
permafrost
Alaska
Online Access:http://www.dtic.mil/docs/citations/ADA030413
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA030413
Description
Summary:In order to verify current theoretical equations on ice bearing capacity, a heavily loaded truck was used to make successive passes over two ice bridges. Equipment, weather and the normal problems associated with field work resulted in only one complete breakthrough test. Breakthrough occurred on one bridge with a vehicle weight of 53,630 lb (24,327 kg) and an ice thickness of 17.5 in. (44.5 cm). Since only one test was completed, the conclusions drawn cannot be unequivocal. However, the results do indicate that Nevel's equation for ultimate failure of a floating ice sheet is a good working tool.

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