Icebreaking Concepts.

Icebreaking concepts that have potential application in the protection of offshore structures and drillships are reviewed. The concepts dealt with include conventional icebreaking by ships, icebreaking by air cushion vehicles, breaking against fixed structures, mechanical cutting with drag bit tools...

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Bibliographic Details
Main Author: Mellor,Malcolm
Other Authors: COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH
Format: Text
Language:English
Published: 1980
Subjects:
Snow
Ice and Permafrost
*FRACTURE(MECHANICS)
*SEA ICE
REMOVAL
STRUCTURES
EXPLOSIVES
PROPELLANTS
MELTING
HEAT
COMPRESSED AIR
CUTTING TOOLS
AIR CUSHION VEHICLES
ICEBREAKERS
WATER JETS
Ice
permafrost
Sea ice
Online Access:http://www.dtic.mil/docs/citations/ADA082175
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA082175
Description
Summary:Icebreaking concepts that have potential application in the protection of offshore structures and drillships are reviewed. The concepts dealt with include conventional icebreaking by ships, icebreaking by air cushion vehicles, breaking against fixed structures, mechanical cutting with drag bit tools, blasting by high explosives, blasting with compressed gases or propellants, ice melting, thermal cutting, cutting with lasers, cutting with high pressure water jets, and unproven novel concepts. Special emphasis is given to the specific energy requirements for the various methods. (Author)

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