The Application of Fracture Mechanics to the Problem of Crevasse Penetration
Open Access
- 1 January 1976
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of Glaciology
- Vol. 17 (76) , 223-228
- https://doi.org/10.1017/s0022143000013563
Abstract
The elastic stress intensity factor is a parameter used in fracture mechanics to describe stress conditions in the vicinity of the tip of a sharp crack. By superimposing solutions of stress intensity factors for different loading conditions, equations are derived which model crevasses in ice. Solutions are presented for the theoretical depth of isolated crevasses, free from or partially filled with water. Close agreement exists with a previous calculation by Weertman using a different technique. The effect of crevasse spacing is investigated and it is demonstrated that closer spacing always reduces crevasse depth, but over a wide range of spacing the predicted variation in depth is slight.Keywords
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