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Airblast Overpressure and Dynamic Pressure Over Various Surfaces

Description: Static overpressure and dynamic pressure versus time over surfaces processing different physical properties were measured on two tower shots, 6 and 12. On Shot 12, three surfaces were provided: the natural desert, a water surface consisting of a flooded area, and an asphalt surface. On Shot 6, desert and asphalt areas only were available. There were 123 channels of instrumentation installed for Shot 12, and 24 for Shot 6. From the data, a system of wave-form classification was devised for overp… more
Date: September 11, 1957
Creator: Sachs, D. C.; Swift, L. M. & Sauer, F. M.
Item Type: Refine your search to only Report
open access

Biological Effects of Pressure Phenomena Occurring Inside Protective Shelters Following a Nuclear Detonation

Description: In two series of experiments 277 experimental animals, including 66 dogs, 52 rabbits, 52 guinea pigs, 63 rats, and 44 mice, were exposed under selected conditions in six different general types of instrumented above- and belowground shelters to blast produced by nuclear explosions. The distance of the several structures from Ground Zero ranged from 1050 to 5500 ft. The most severe alterations in the pressure environment occurring inside the structures followed the detonation of a nuclear device… more
Date: October 1, 1956
Creator: White, C. S.; Chiffelle, T. L.; Richmond, D. R.; Lockyear, W. H.; Bowen, I. G.; Goldizen, V. C. et al.
Item Type: Refine your search to only Report
open access

Damage to Commercial and Industrial Buildings Exposed to Nuclear Effects

Description: One equipment control building designed to be blast resistant and two each of three standardized types of metal warehouse or utility buildings were exposed to the effects of a nuclear device detonation. One of the utility buildings was frameless, with deeply corrugated wall and roof sections; a second was very largely frameless, utilizing interlocking channel sections; and in the third the aluininum-panel wall and roof covering was supported by girts and purlins, which in turn were supported by… more
Date: February 1, 1956
Creator: Johnston, B.G.
Item Type: Refine your search to only Report
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Damage to Conventional and Special Types of Residences Exposed to Nuclear Effects

Description: Ten residential structures of wood, brick, lightweight reinforced concrete block, and lightweight precast concrete slabs were exposed in pairs to the effects of a nuclear device of approximately 30 kt yield, detonated atop a 500-ft tower. The houses represented various structural types, and two houses of each type were tested. One house was located at an anticipated overpressure at which collapse or major damage might be expected and the other was located at an anticipated overpressure at which… more
Date: March 1, 1961
Creator: Randall, P.A.
Item Type: Refine your search to only Report
open access

Effects of at Atomic Explosion on Group and Family Type Shelters

Description: Two underground shelters (50-man capacity), one open and one closed, were exposed to Apple I shot, and two were exposed to Apple H shot (at 1050 ft). Three basement exit shelters were exposed to Apple I shot at 1350 ft; four were exposed to Apple II shot, two at 1270 ft, and two at 1470 ft. Groups of three aboveground utility type shelters, one of masonry blocks, one of precast reinforced concrete, and one of poured-in-place reinforced concrete, were placed at concrete bathroom shelters were pl… more
Date: December 1, 1955
Creator: Vortman, L. J.
Item Type: Refine your search to only Report
open access

Gamma- and Neutron-Radiation Measurements

Description: Results are presented from film dosimeters and gold and suifur threshold detectors used to measure gamma radiation neutron fluxes. The bulk of the data reports the results of naeasurements in various shelters and homes. The data are presented in tabular form by project number and shot name in Appendix A. The report also contains results of studies on the effects of neutrons on film dosimeters. (auth)
Date: May 1957
Creator: Deal, L. J.
Item Type: Refine your search to only Report
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