Seismic Effects from a High Yield Nuclear Cratering Experiment in Desert Alluvium PDF Download
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Author: W. V. Mickey
Publisher:
ISBN:
Category : Nuclear excavation
Languages : en
Pages : 70
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Book Description
SEDAN was a thermonuclear cratering experiment with a yield of about 100 kt detonated at a depth of 660 feet and resulting in a crater of maximum apparent depth of 320 feet and average apparent diameter of about 1200 feet. About 7.5 million cubic yards of earth and rock were displaced. Transitory earth particle motions were on an average twice as large from stations on deep alluvial deposits compared to those on shallow deposits at the same distance. Computed seismic energy was about 2.45 x 10 to the 18th power ergs, equivalent to a local earthquake magnitude of 4.75. This indicates that 0.06 percent of the total source energy was converted to seismic energy. Frequency analysis revealed spectral peaks near 1 cps. (Author).
Author: W. V. Mickey
Publisher:
ISBN:
Category : Nuclear excavation
Languages : en
Pages : 70
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Book Description
SEDAN was a thermonuclear cratering experiment with a yield of about 100 kt detonated at a depth of 660 feet and resulting in a crater of maximum apparent depth of 320 feet and average apparent diameter of about 1200 feet. About 7.5 million cubic yards of earth and rock were displaced. Transitory earth particle motions were on an average twice as large from stations on deep alluvial deposits compared to those on shallow deposits at the same distance. Computed seismic energy was about 2.45 x 10 to the 18th power ergs, equivalent to a local earthquake magnitude of 4.75. This indicates that 0.06 percent of the total source energy was converted to seismic energy. Frequency analysis revealed spectral peaks near 1 cps. (Author).
Author: L. M. Lowrie
Publisher:
ISBN:
Category : Cratering
Languages : en
Pages : 70
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Book Description
Project DANNYBOY was a 430 ton nuclear cratering explosion in basalt. The Coast and Geodetic Survey measured surface earth motions in terms of displacement, velocity and acceleration at 12 locations from 760 meters to 340 kilometers from surface zero. Multiple regression of maximum earth particle displacements and accelerations from DANNYBOY and four other cratering explosions are given. (Author).
Author: Milo D. Nordyke
Publisher:
ISBN:
Category : Atomic bomb
Languages : en
Pages : 50
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Book Description
Author: John A. Miskel
Publisher:
ISBN:
Category : Radioactive fallout
Languages : en
Pages : 28
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Book Description
Radiochemical analyses were performed on fallout and particulate cloud samples. A few tenths of a percent of the non-volatile fission products and 10-20% of the more volatile species were vented. A large fraction of the non-volatile products fell out within 10 miles, whereas the major portion of the volatile products did not. (Author).
Author: W. V. Mickey
Publisher:
ISBN:
Category :
Languages : en
Pages : 50
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Book Description
Author:
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 506
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Book Description
Author:
Publisher:
ISBN:
Category : Radioactive fallout
Languages : en
Pages : 36
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 746
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Book Description
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1546
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Author: Nicholas M. Short
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 64
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Book Description
Core samples from all three holes examined thusly over 1-ft intervals revealed these microfractures to occur consistently at points 35-38 ft radially from the shot point. A radius of 36+2 feet is therefore assigned to the explosion cavity. The true crater (cavity) surface is a hemisphere radially symmetrical about the shot point at depths below approximately 110 ft. Fixing this radius relative to calculated cavity expansion curves and to the probable time of venting aids in the understanding of history and mechanisms of cavity growth, from which speculative treatments of the behavior of rock and water vapors in the growing cavity and of a possible origin of vesiculated glass found in the crater throwout rubble have been developed.
