EXPLOSIONS IN ICE

Twenty-four instrumented and 106 uninstrumented blasts ranging in weight from 2.5 to 40 lb of four types of explosives were detonated above, in contact with, and at various depths below the ice surface. The tests were conducted at the edge of the Greenland Ice Cap, near Camp Tuto, during the summer...

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Bibliographic Details
Main Author: LIVINGSTON, CLIFTON W.
Other Authors: BARODYNAMICS INC GEORGETOWN CO
Format: Text
Language:English
Published: 1960
Subjects:
Snow
Ice and Permafrost
Explosions
*EXPLOSIONS
*ICE
SHOCK WAVES
CRATERING
EXPLOSIVES
GLACIERS
MATHEMATICAL ANALYSIS
PRESSURE
CLIMATE
SEISMIC WAVES
BLAST
MEASUREMENT
POLAR REGIONS
FRACTURE(MECHANICS)
Greenland
Ice
Ice cap
permafrost
Online Access:http://www.dtic.mil/docs/citations/AD0276605
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0276605
Description
Summary:Twenty-four instrumented and 106 uninstrumented blasts ranging in weight from 2.5 to 40 lb of four types of explosives were detonated above, in contact with, and at various depths below the ice surface. The tests were conducted at the edge of the Greenland Ice Cap, near Camp Tuto, during the summer of 1957. Under-ice direct shock pressure, air-induced under-ice shock pressure, and airblast pressure from shallow under-ice bursts, contact bursts, and near-contact bursts were measured. The apparent crater and the true crater were measured, and the mechanics of the fracture process were studied. The height to which the flyrock was thrown was measured using motion pictures, and ground rise and venting phenomena were studied. Sixty-six seismic records were taken.

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