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|Title:||Airblast loading of a large metal shipping container : laboratory investigation|
|Authors:||United States. Army. Office of the Chief of Engineers.|
Carre, G. L. (Gary Lee)
Walker, Robert Evans.
|Publisher:||Weapons Effects Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; N-70-5.|
Abstract: The objective of the test program reported herein was to determine if a large metal shipping container would provide a sufficient degree of protection from simulated nuclear weapon blast effects to make it suitable as a small protective shelter. This report describes the tests of two Container Express (CONEX) containers that were instrumented and subjected to blast loads in the Large Blast Load Generator (LBLG) facility at the U. S. Army Engineer Waterways Experiment Station. The containers were buried in dense, dry sand with 18 inches of sand over the roof and subjected to blast load pressures of approximately 11, 15, and 34 psi. A total of 45 channels of instrumentation were used to measure the following parameters: strain in the roof, sidewall, and floor; vertical deflection of the roof; accelerations in the roof, sidewall, floor, and free field; blast pressure at the soil surface and free field; and pressure inside the container. For the first two tests, a container was placed base down in the LBLG and subjected to pressures of 11 and 34 psi, respectively. The initial test caused only moderate damage to the container; however, complete roof collapse resulted from the second test. For the final test, an inverted (base up) container was subjected to a pressure of 15 psi. Damage to the container was moderate. Results of the test program indicate that the CONEX container could be utilized as a small protective shelter. If the container were buried with the base up, it is believed that it would withstand a pressure load of approximately 20 psi.
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