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Analysis Of Ground Motions and Close-In Physical Effects, Rulison Event

Technical Report ·
DOI:https://doi.org/10.2172/4150849· OSTI ID:4150849
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Environmental Research Corp., Alexandria, VA (Unites States)
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The Rulison event, a 40 kt Plowshare nuclear detonation in the Rulison gas field of the Piceance Creek Basin, Colorado, provided an opportunity to analyze the ground motions and the close-in physical effects of a deeply buried detonation. Ground motions were recorded at 36 sites over a distance of about 4 to 367 km. The level of the peak vector velocities and displacements observed from Rulison agree with the predicted levels. However, the peak vector accelerations are slightly higher than predicted. The observed peak vector accelerations and velocities significantly exceed the level expected from a normally buried 40 kt contained device detonated on the Nevada Test Site (NTS). The PSRV spectra calculated from Rulison ground motions agree well with the spectra predicted on the basis of scaling theory, accounting for differences in yield and device depth of burial. The peak spectral response exhibits a higher level and occurs at shorter periods (0.1 - 0.4 second) than that of the spectral response expected from a normally buried 40 kt contained device detonated on the Nevada Test Site.
Research Organization:
Environmental Research Corp., Alexandria, VA (Unites States)
Sponsoring Organization:
US Atomic Energy Commission (AEC)
DOE Contract Number:
AT(29-2)-1163
NSA Number:
NSA-24-027254
OSTI ID:
4150849
Report Number(s):
NVO--1163-206; PNE-R--27
Country of Publication:
United States
Language:
English

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Related Subjects

45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
58 GEOSCIENCES
CAVITIES
COMPUTERS
DATA PROCESSING
EARTH
excavation
ground motion and close-in physical effects
motion
N22500* --Environmental & Earth Sciences--Seismology
N24120 --Engineering--Nuclear Explosions--Industrial Uses
nuclear explosions
project plowshare
Project Rulison
seismic waves
seismology
SHOCK WAVES
SPECTRA
underground explosions
VELOCITY