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 designed by PSA, Department of the Environment, for use on ammunition magazines, was tested with gradually increasing air blast. Yielding occurred with a maximum plastic deformation at midspan of about 25 mm with the following load pressure 2 bar, positive duration 40 ms and impulse 30 bar ms. The load was then increased to the max. values specified by the Department of the Environment pressure 7 bar, positive duration 40 ms and impulse 80 bar ms. This load resulted in a max. plastic deformation midspan of about 348 mm. The door could still be moved on its hinges.
- Ammunition and Explosives