skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Two Sources of Nonisotropic Radiation From Underground Explosions in Granite

Abstract

Significant tangential ground motion observed during underground explosions makes it difficult to distinguish them from natural earthquakes. Such motion can be generated by the source geometry and emplacement conditions, by the heterogeneous nature of the rock mass (mechanical properties may vary in space due to the presence of cracks, joints, faults, and various geologic layers) and also by the nonuniform in situ stress state. The last mechanism is increasingly important with depth when the difference in main principal stresses becomes significant. This paper is focused on the role of material strength of the rock mass in generation of nonradial motion during explosions in prestressed media. Numerical modeling of underground chemical explosions in granite at various depths has been conducted to compare two possible mechanisms of shear wave generation. The first, caused by rock mass anisotropy, is important at shallow depth. The second is related to elastic-plastic relaxation around the cavity created by the explosion. As a result, tangential motions for these two mechanisms have different signatures.

Authors:
 [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1411684
Alternate Identifier(s):
OSTI ID: 1408788
Report Number(s):
LLNL-JRNL-733561
Journal ID: ISSN 2169-9313; TRN: US1800272
Grant/Contract Number:  
AC52-07NA27344; W-7405-southern-48
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Geophysical Research. Solid Earth
Additional Journal Information:
Journal Volume: 122; Journal Issue: 11; Journal ID: ISSN 2169-9313
Publisher:
American Geophysical Union
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; 54 ENVIRONMENTAL SCIENCES; underground explosions; jointed rock; cavity relaxation; tangential ground motion; anisotropy; shear waves

Citation Formats

Vorobiev, O. Yu. Two Sources of Nonisotropic Radiation From Underground Explosions in Granite. United States: N. p., 2017. Web. doi:10.1002/2017JB014718.
Vorobiev, O. Yu. Two Sources of Nonisotropic Radiation From Underground Explosions in Granite. United States. doi:10.1002/2017JB014718.
Vorobiev, O. Yu. Mon . "Two Sources of Nonisotropic Radiation From Underground Explosions in Granite". United States. doi:10.1002/2017JB014718. https://www.osti.gov/servlets/purl/1411684.
@article{osti_1411684,
title = {Two Sources of Nonisotropic Radiation From Underground Explosions in Granite},
author = {Vorobiev, O. Yu.},
abstractNote = {Significant tangential ground motion observed during underground explosions makes it difficult to distinguish them from natural earthquakes. Such motion can be generated by the source geometry and emplacement conditions, by the heterogeneous nature of the rock mass (mechanical properties may vary in space due to the presence of cracks, joints, faults, and various geologic layers) and also by the nonuniform in situ stress state. The last mechanism is increasingly important with depth when the difference in main principal stresses becomes significant. This paper is focused on the role of material strength of the rock mass in generation of nonradial motion during explosions in prestressed media. Numerical modeling of underground chemical explosions in granite at various depths has been conducted to compare two possible mechanisms of shear wave generation. The first, caused by rock mass anisotropy, is important at shallow depth. The second is related to elastic-plastic relaxation around the cavity created by the explosion. As a result, tangential motions for these two mechanisms have different signatures.},
doi = {10.1002/2017JB014718},
journal = {Journal of Geophysical Research. Solid Earth},
number = 11,
volume = 122,
place = {United States},
year = {2017},
month = {10}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Save / Share:

Works referenced in this record:

On the generation of tangential ground motion by underground explosions in jointed rocks
journal, February 2015

  • Vorobiev, Oleg; Ezzedine, Souheil; Antoun, Tarabay
  • Geophysical Journal International, Vol. 200, Issue 3
  • DOI: 10.1093/gji/ggu478

The Theory of Stress Wave Radiation from Explosions in Prestressed Media
journal, September 1972


Constraints on burial depth and yield of the 25 May 2009 North Korean test from hydrodynamic simulations in a granite medium: 25 MAY 2009 NORTH KOREAN TEST, DOB AND YIELD
journal, August 2011

  • Rougier, Esteban; Patton, Howard J.; Knight, Earl E.
  • Geophysical Research Letters, Vol. 38, Issue 16
  • DOI: 10.1029/2011GL048269

Wave generations from confined explosions in rocks
conference, January 1998

  • Liu, C. L.; Ahrens, Thomas J.
  • The tenth American Physical Society topical conference on shock compression of condensed matter, AIP Conference Proceedings
  • DOI: 10.1063/1.55601

The growing spherical seismic source
journal, April 1982


Near-field non-radial motion generation from underground chemical explosions in jointed granite
journal, September 2017

  • Vorobiev, Oleg; Ezzedine, Souheil; Hurley, Ryan
  • Geophysical Journal International, Vol. 212, Issue 1
  • DOI: 10.1093/gji/ggx403

Seismic radiation from regions sustaining material damage
journal, September 2009


Overview of Open Seismic Data from the North Korean Event of 9 October 2006
journal, March 2008

  • Koper, K. D.; Herrmann, R. B.; Benz, H. M.
  • Seismological Research Letters, Vol. 79, Issue 2
  • DOI: 10.1785/gssrl.79.2.178

Advanced Seismic Analyses of the Source Characteristics of the 2006 and 2009 North Korean Nuclear Tests
journal, June 2013

  • Murphy, J. R.; Stevens, J. L.; Kohl, B. C.
  • Bulletin of the Seismological Society of America, Vol. 103, Issue 3
  • DOI: 10.1785/0120120194

Simple Common Plane contact algorithm: SIMPLE COMMON PLANE CONTACT
journal, December 2011

  • Vorobiev, Oleg
  • International Journal for Numerical Methods in Engineering, Vol. 90, Issue 2
  • DOI: 10.1002/nme.3324

An algorithm for continuum modeling of rocks with multiple embedded nonlinearly-compliant joints
journal, April 2017


Release of tectonic strain by underground nuclear explosions
journal, January 1962


Dynamic Photoelastic Studies of p and s wave Propagation in Prestressed Media
journal, October 1969

  • Thomson, Ker C.; Ahrens, Thomas J.; Toksöz, M. Nafi
  • GEOPHYSICS, Vol. 34, Issue 5
  • DOI: 10.1190/1.1440041

Nonisotropic radiation of the 2013 North Korean nuclear explosion
journal, October 2014

  • Vavryčuk, Václav; Kim, So Gu
  • Geophysical Research Letters, Vol. 41, Issue 20
  • DOI: 10.1002/2014GL061265

Model Investigation of Explosions in Prestressed Media
journal, August 1967


3D Numerical Modeling of Tectonic Strain Release from Explosions
journal, January 2015

  • Stevens, Jeffry L.; Thompson, Thomas W.
  • Bulletin of the Seismological Society of America, Vol. 105, Issue 2A
  • DOI: 10.1785/0120140125

High-precision location and yield of North Korea's 2013 nuclear test: NORTH KOREA'S 2013 NUCLEAR TEST
journal, June 2013

  • Zhang, Miao; Wen, Lianxing
  • Geophysical Research Letters, Vol. 40, Issue 12
  • DOI: 10.1002/grl.50607

Radiation from an Explosion in a Non-uniformly Pre-stressed Medium
journal, May 1973


Self-similar distribution and properties of macroscopic fractures at depth in crystalline rock in the Cajon Pass Scientific Drill Hole
journal, January 1992

  • Barton, Colleen A.; Zoback, Mark D.
  • Journal of Geophysical Research, Vol. 97, Issue B4
  • DOI: 10.1029/91JB01674

Effects of Rock Damage on Seismic Waves Generated by Explosions
journal, October 2001

  • Johnson, L. R.; Sammis, C. G.
  • Pure and Applied Geophysics, Vol. 158, Issue 11
  • DOI: 10.1007/PL00001136