A THEORY OF SNOW FAILURE.

A failure theory for dry snow is based on the supposition that the nature of ice at the temperatures found in natural snow will cause stress concentration at a pore boundary to be minimized. External stresses will therefore tend to be uniformly distributed across constricted areas of solid substance...

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Bibliographic Details
Main Authors: Ballard,G. E. H., McGaw,R. W.
Other Authors: COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER N H
Format: Text
Language:English
Published: 1965
Subjects:
Snow
Ice and Permafrost
(*SNOW
MECHANICAL PROPERTIES)
ICE
POROUS MATERIALS
STRESSES
FAILURE(MECHANICS)
THEORY
Ice
permafrost
Online Access:http://www.dtic.mil/docs/citations/AD0624198
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0624198
Description
Summary:A failure theory for dry snow is based on the supposition that the nature of ice at the temperatures found in natural snow will cause stress concentration at a pore boundary to be minimized. External stresses will therefore tend to be uniformly distributed across constricted areas of solid substance. Failure is considered to occur when the available solid substance is stressed to its ultimate strength, taking into consideration the function of temperature and type of failure, i.e., tension, compression, or shear.

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