Steel Door to Igloos. Proof Test for Air Blast,
NORWEGIAN DEFENCE CONSTRUCTION SERVICE OSLO OFFICE OF TEST AND DEVELOPMENT
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A steel door as seen in the NDCS drawing A-7126, sheets 1 to 12, used in igloo ammunition magazines was loaded with a specified air blast, peak pressure 6 bar, positive duration 40 ms and impulse 80 bar ms, without becoming severely deformed. The door withstood an air blast of peak pressure 12 bar, positive duration 90 ms and impulse 150 bar ms without collapsing, but suffered severe deformation.
- Ammunition and Explosives