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Title: Re-examination of the In Situ Stress Measurements on the 240 Level of the AECL’s URL Using Tensor-Based Approaches

Abstract

In situ stress is an important parameter in rock mechanics and often displays significant variability in fractured rock masses. Therefore, rigorous statistical approaches for stress variability characterisation are essential components and prerequisites for adequate interpretation of stress measurements. However, currently in rock mechanics, stresses are customarily processed by analysing the principal stress magnitude and orientation separately. As previous works show, these customary scalar/vector approaches violate the tensorial nature of stress and may yield erroneous results.

Authors:
ORCiD logo [1];  [2]
  1. Univ. of Toronto, ON (Canada). Dept. of Civil Engineering; Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Univ. of Toronto, ON (Canada). Dept. of Civil Engineering
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE; Natural Sciences and Engineering Research Council of Canada (NSERC)
OSTI Identifier:
1480000
Report Number(s):
LA-UR-18-25185
Journal ID: ISSN 0723-2632
Grant/Contract Number:  
AC52-06NA25396; 491006
Resource Type:
Accepted Manuscript
Journal Name:
Rock Mechanics and Rock Engineering
Additional Journal Information:
Journal Volume: 51; Journal Issue: 10; Journal ID: ISSN 0723-2632
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; in situ stress; Euclidean mean; effective variance; stress variability; stress measurement

Citation Formats

Gao, Ke, and Harrison, John P. Re-examination of the In Situ Stress Measurements on the 240 Level of the AECL’s URL Using Tensor-Based Approaches. United States: N. p., 2018. Web. doi:10.1007/s00603-018-1530-1.
Gao, Ke, & Harrison, John P. Re-examination of the In Situ Stress Measurements on the 240 Level of the AECL’s URL Using Tensor-Based Approaches. United States. doi:https://doi.org/10.1007/s00603-018-1530-1
Gao, Ke, and Harrison, John P. Thu . "Re-examination of the In Situ Stress Measurements on the 240 Level of the AECL’s URL Using Tensor-Based Approaches". United States. doi:https://doi.org/10.1007/s00603-018-1530-1. https://www.osti.gov/servlets/purl/1480000.
@article{osti_1480000,
title = {Re-examination of the In Situ Stress Measurements on the 240 Level of the AECL’s URL Using Tensor-Based Approaches},
author = {Gao, Ke and Harrison, John P.},
abstractNote = {In situ stress is an important parameter in rock mechanics and often displays significant variability in fractured rock masses. Therefore, rigorous statistical approaches for stress variability characterisation are essential components and prerequisites for adequate interpretation of stress measurements. However, currently in rock mechanics, stresses are customarily processed by analysing the principal stress magnitude and orientation separately. As previous works show, these customary scalar/vector approaches violate the tensorial nature of stress and may yield erroneous results.},
doi = {10.1007/s00603-018-1530-1},
journal = {Rock Mechanics and Rock Engineering},
number = 10,
volume = 51,
place = {United States},
year = {2018},
month = {6}
}

Journal Article:
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    Works referencing / citing this record:

    Uncertainty in In Situ Stress Estimations: A Statistical Simulation to Study the Effect of Numbers of Stress Measurements
    journal, June 2019

    • Feng, Yu; Harrison, John P.; Bozorgzadeh, Nezam
    • Rock Mechanics and Rock Engineering, Vol. 52, Issue 12
    • DOI: 10.1007/s00603-019-01891-9

    Uncertainty in In Situ Stress Estimations: A Statistical Simulation to Study the Effect of Numbers of Stress Measurements
    journal, June 2019

    • Feng, Yu; Harrison, John P.; Bozorgzadeh, Nezam
    • Rock Mechanics and Rock Engineering, Vol. 52, Issue 12
    • DOI: 10.1007/s00603-019-01891-9