Breakup of Solid Ice Covers Due to Rapid Water Level Variations

The conditions that lead to initial breakup of a solid ice on a river due to rapid water level variations are analyzed. The analysis is based on the theory of beams on an elastic foundation. First cracking is assumed to occur when the bending moment induced in the ice cover by the wave exceeds the f...

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Bibliographic Details
Main Author: Billfalk,Lennart
Other Authors: SWEDISH STATE POWER BOARD AELVKARLEBY
Format: Text
Language:English
Published: 1982
Subjects:
Hydrology
Limnology and Potamology
Snow
Ice and Permafrost
*Ice
Rivers
Channels(Waterways)
Hydroelectricity
Electric power plants
Water
Level(Quantity)
Variations
Fracture(Mechanics)
Surges
Water waves
Bending moments
Deflection
Theory
Beams(Structural)
Foundations(Structures)
*Ice cover
*Water level
Ice breakup
LPN-CWIS31353
Ice
permafrost
Online Access:http://www.dtic.mil/docs/citations/ADA112819
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA112819
Description
Summary:The conditions that lead to initial breakup of a solid ice on a river due to rapid water level variations are analyzed. The analysis is based on the theory of beams on an elastic foundation. First cracking is assumed to occur when the bending moment induced in the ice cover by the wave exceeds the flexural strength of the ice cover. (Author)

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