Final Report on Effects of Underground Explosions PDF Download
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Author: C. W. Lampton
Publisher:
ISBN:
Category :
Languages : en
Pages : 83
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Author: C. W. Lampton
Publisher:
ISBN:
Category :
Languages : en
Pages : 83
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Author: Waterways Experiment Station (U.S.)
Publisher:
ISBN:
Category : Cratering
Languages : en
Pages : 84
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Author: Verl Richard Wilmarth
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 38
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Author: National Research Council (U.S.). Committee on Fortification Design
Publisher: National Academies
ISBN:
Category : Building, Bombproof
Languages : en
Pages : 76
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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The entire range of shock propagation, from the close-in phase to the elastic behavior, is studied. Under equation of state studies it is shown thermodynamically that the waste heat is the result of entropy changes and the absorption of thermal energy by the dense constituents in mixtures of solids and air. Fluid thermodynamic properties of a gassolid mixture are studied. An analytical solution for a spherical shock wave with constant compressed density is presented. An analytical expression is derived for the acceleration behind a spherical shock wave and compared with experimental results. Cratering from surface and shallowburied nuclear detonations is analyzed. The implications of the radiation phase of a nuclear detonation on cavitation in a camouflat-type nuclear detonation are covered. Highexplosive and nuclear detonations are analyzed on the basis of theoretical information and TNT field tests. Encouraging results are obtained for correlating high-explosive tests and nuclear detonations as bases for predicting nuclear detonation effects. A graphical general solution for refraction at an interface that overcomes obstacles posed for mathematical analyses of the problems is presented. This method is applied to a refraction at the earth's surface from a shallow-buried nuclear detonation. (auth).
Author: D. C. Sachs
Publisher:
ISBN:
Category : Blast effect
Languages : en
Pages : 118
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Project 1.7 of Operation TEAPOT was concerned with the measurement of surface and subsurface effects of an underground explosion of a 1.2-kt nuclear burst (Shot 7). The measurements included free-field earth and airblast effects, as well as loading on underground structural devices. This report deals with the presentation and analysis of the free-field data only; the structural data have been transmitted to the appropriate agencies for their analysis. From the 76 channels installed on TEAPOT Shot 7, 75 usable records were obtained. The free-field quantities measured include air-blast pressure, earth acceleration, earth stress and strain, and permanent earth displacement. The results are discussed by phenomenon and, in each case, the TEAPOT data are compared with pretest predictions. Also, where data are available, comparisons are made with previous underground nuclear test results. Some aspects of seismology and soil mechanics as applied to underground explosion phenomena are presented and, finally, the most pertinent high explosives results from subsequent tests conducted at the TEAPOT location are summarized. (Author).
Author:
Publisher:
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Category :
Languages : en
Pages :
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The effects of nuclear explosions have been observed and studied since the first nuclear test (code named Trinity) on July 16, 1945. Since that first detonation, 1,053 nuclear tests have been conducted by the US, most of which were sited underground at the Nevada Test Site (NTS). The effects of underground nuclear explosions (UNEs) on their surroundings have long been the object of much interest and study, especially for containment, engineering, and treaty verification purposes. One aspect of these explosion-induced phenomena is the disruption or alteration of the near-surface environment, also known as surface effects. This report was prepared at the request of the Los Alamos National Laboratory (LANL), to bring together, correlate, and preserve information and techniques used in the recognition and documentation of surface effects of UNEs. This report has several main sections, including pertinent background information (Section 2.0), descriptions of the different types of surface effects (Section 3.0), discussion of their application and limitations (Section 4.0), an extensive bibliography and glossary (Section 6.0 and Appendix A), and procedures used to document geologic surface effects at the NTS (Appendix C). Because a majority of US surface-effects experience is from the NTS, an overview of pertinent NTS-specific information also is provided in Appendix B. It is not within the scope of this report to explore new relationships among test parameters, physiographic setting, and the types or degree of manifestation of surface effects, but rather to compile, summarize, and capture surface-effects observations and interpretations, as well as documentation procedures and the rationale behind them.
Author: Institut fiziki Zemli im. O.I︠U︡. Shmidta
Publisher:
ISBN:
Category : Seismology
Languages : en
Pages : 110
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Author: Richard Martin Foose
Publisher:
ISBN:
Category : Underground nuclear explosions
Languages : en
Pages : 108
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Author: B. Allen
Publisher:
ISBN:
Category : Underground nuclear explosions
Languages : en
Pages : 56
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