Operation Plumbbob. Nevada Test Site, May-October 1957. Project 39.8. Depth-Dose Studies in Phantoms with Initial Bomb Gamma and Neutron Radiation PDF Download
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Author: G. W. Imirie
Publisher:
ISBN:
Category :
Languages : en
Pages : 59
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Author: G. W. Imirie
Publisher:
ISBN:
Category :
Languages : en
Pages : 59
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Author: G. S. Hurst
Publisher:
ISBN:
Category :
Languages : en
Pages : 144
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Author: A. L. Greig
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Book Description
The objective of Part I of Project 39.3 was to measure transient air temperatures at selected locations in the blast-biology underground shelter in Area 1 for shot Galileo, Operation Plumbbob. The objective of Part II of Project 39.3 was to evaluate thermal burns from a nuclear explosion on biological receivers in a shelter. Eight Chester White pigs were used as test animals. One pig in the entrance and one about 3 ft inside the door received severe burns. These burns were carbonized on the surface and caused transepidermal damage with up to 0.3 mm penetration into the dermis. Animals away from the entrance and those in the slow fill side received no burns. The possible sources of this damaging thermal energy are discussed.
Author: K. H. Larson
Publisher:
ISBN:
Category : Nevada National Security Site (Nev.)
Languages : en
Pages : 0
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Author: Civil Effects Test Group
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Category : Nuclear weapons
Languages : en
Pages :
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Author: L. M. Swift
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Category : Nevada National Security Site (Nev.)
Languages : en
Pages : 0
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Author: G. H. Brittain
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Category :
Languages : en
Pages : 32
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Author: E. J. Bryant
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Category :
Languages : en
Pages : 230
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Author: E. Cohen
Publisher:
ISBN:
Category :
Languages : en
Pages : 145
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Project 30.2 was conducted to test a reinforced-concrete dual-purpose underground parking garage and personnel shelter designed for a long-duration incident pressure of 40 psi. The shelter was exposed to shot Priscilla, an approximately 37-kt 700-ft balloon burst (June 24, 1957), at a ground range of 1600 ft (predicted 35-psi peak incident-pressure level). The recorded peak incident pressure at the shelter was approximately 39 psi. Postshot soil boring were made to obtain undisturbed samples for determining soil characteristics. Preshot and postshot field surveys were made to determine the total lateral and vertical displacement of the structure. Blast instrumentation consited of Wiancko pressure gauges, Carlson earth-pressure gauges, dynamic-pressure gauges, and a self-recording pressure gauge. Structural response was recorded by Ballistic Research Laboratories deflection gauges. Radiation measurements were taken using film dosimeters, gamma-radiation chemical dosimeters, and one gamma-rate telemetering unit. (Author).
Author: J. F. Halsey
Publisher:
ISBN:
Category : Building, Bombproof
Languages : en
Pages : 0
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The problem of defining design parameters for structures capable of withstanding blast-induced ground shock suggested the use of shock spectra as a suitable means of presenting environmental conditions. Self-contained mechanical reed gages, capable of measuring the displacement shock spectrum over a frequency range of 3 to 300 cps in any one direction, were placed on Shots Stokes, Smoky, Galileo, Whitney, and Charleston. Canisters containing the gages were normally placed with tops flush to the ground level at predicted pressure levels of approximately 100 psi; however, on Shot Smoky two additional gages were placed on the floor of an earth-covered-personnel shelter, and two gages were installed on a concrete block for Shot Whitney. A composite plot of the results of surface gages from Shots Smoky, Galileo, and Whitney indicates some definite trends. The displacements are 2 to 3 times higher at 3 cps for the vertical component than for the radial component. The rate of decrease of displacement with increasing frequency is greater for the vertical component than for the radial component. A comparison of the results from the surface gages and those within the structure on Shot Smoky indicates an attenuation factor of three for vertical displacements, with no appreciable change in the radial direction.
