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Title: Blast induced subsidence in the craters of nuclear tests over coral

Abstract

The craters from high-yield nuclear tests at the Pacific Proving Grounds are very broad and shallow in comparison with the bowl-shaped craters formed in continental rock at the Nevada Test Site and elsewhere. Attempts to account for the differences quantitatively have been generally unsatisfactory. We have for the first time successfully modeled the Koa Event, a representative coral-atoll test. On the basis of plausible assumptions about the geology and about the constitutive relations for coral, we have shown that the size and shape of the Koa crater can be accounted for by subsidence and liquefaction phenomena. If future studies confirm these assumptions, it will mean that some scaling formulas based on data from the Pacific will have to be revised to avoid overestimating weapons effects in continental geology. 9 refs., 5 figs.

Authors:
; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (USA)
OSTI Identifier:
5908452
Report Number(s):
UCRL-91639; CONF-850671-4
ON: DE85007975
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Conference
Resource Relation:
Conference: 26. U.S. symposium on rock mechanics, Rapid City, SD, USA, 26 Jun 1985
Country of Publication:
United States
Language:
English
Subject:
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE; CRATERS; GROUND SUBSIDENCE; SHAPE; SIZE; NUCLEAR WEAPONS; BLAST EFFECTS; BIKINI; CORALS; CRATERING EXPLOSIONS; ENIWETOK; LIQUEFACTION; PACIFIC OCEAN; CAVITIES; CNIDARIA; EXPLOSIONS; ISLANDS; MARSHALL ISLANDS; MICRONESIA; OCEANIA; SEAS; SURFACE WATERS; THERMOCHEMICAL PROCESSES; WEAPONS; 450201* - Military Technology, Weaponry, & National Defense- Nuclear Explosions & Explosives- Containment

Citation Formats

Burton, D E, Swift, R P, Glenn, H D, and Bryan, J B. Blast induced subsidence in the craters of nuclear tests over coral. United States: N. p., 1985. Web.
Burton, D E, Swift, R P, Glenn, H D, & Bryan, J B. Blast induced subsidence in the craters of nuclear tests over coral. United States.
Burton, D E, Swift, R P, Glenn, H D, and Bryan, J B. Fri . "Blast induced subsidence in the craters of nuclear tests over coral". United States. https://www.osti.gov/servlets/purl/5908452.
@article{osti_5908452,
title = {Blast induced subsidence in the craters of nuclear tests over coral},
author = {Burton, D E and Swift, R P and Glenn, H D and Bryan, J B},
abstractNote = {The craters from high-yield nuclear tests at the Pacific Proving Grounds are very broad and shallow in comparison with the bowl-shaped craters formed in continental rock at the Nevada Test Site and elsewhere. Attempts to account for the differences quantitatively have been generally unsatisfactory. We have for the first time successfully modeled the Koa Event, a representative coral-atoll test. On the basis of plausible assumptions about the geology and about the constitutive relations for coral, we have shown that the size and shape of the Koa crater can be accounted for by subsidence and liquefaction phenomena. If future studies confirm these assumptions, it will mean that some scaling formulas based on data from the Pacific will have to be revised to avoid overestimating weapons effects in continental geology. 9 refs., 5 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1985},
month = {2}
}

Conference:
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