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Stress measurements from oriented core

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Title: Stress measurements from oriented core
Authors: Villaescusa, E.1 e.villaescusa@curtin.edu.au, Seto, M.2, Baird, G.1
Source: International Journal of Rock Mechanics & Mining Sciences. Jul2002, Vol. 39 Issue 5, p603. 13p.
Subjects: Rock mechanics, Acoustic emission, Rock deformation
Abstract: A low-cost methodology that allows the estimation of in situ and induced stress using oriented rock core specimens has been investigated. The technique can be used to determine the stresses either during the early stages of a project, even in undeveloped areas of a mine, or to measure in situ and induced stress within active mine workings, such as stopes and pillars. The research aim was to compare the experimental results estimated by the Acoustic Emission and Deformation Rate Analysis methods with those estimated by conventional HI cell measurements. Data was collected from a number of sites with different geological environments and in most cases the core was obtained from the same hole in which a conventional stress measurement had been carried out. The studies have focused on the determination of the full stress tensor from a single oriented cored rock. In all cases, the rock core specimens recollected similar in situ stress values to those estimated using conventional overcoring methods. [Copyright &y& Elsevier]
Copyright of International Journal of Rock Mechanics & Mining Sciences is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 8801882
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Stress measurements from oriented core
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Rock+Mechanics+%26+Mining+Sciences%22">International Journal of Rock Mechanics & Mining Sciences</searchLink>. Jul2002, Vol. 39 Issue 5, p603. 13p.
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  Data: A low-cost methodology that allows the estimation of in situ and induced stress using oriented rock core specimens has been investigated. The technique can be used to determine the stresses either during the early stages of a project, even in undeveloped areas of a mine, or to measure in situ and induced stress within active mine workings, such as stopes and pillars. The research aim was to compare the experimental results estimated by the Acoustic Emission and Deformation Rate Analysis methods with those estimated by conventional HI cell measurements. Data was collected from a number of sites with different geological environments and in most cases the core was obtained from the same hole in which a conventional stress measurement had been carried out. The studies have focused on the determination of the full stress tensor from a single oriented cored rock. In all cases, the rock core specimens recollected similar in situ stress values to those estimated using conventional overcoring methods. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of International Journal of Rock Mechanics & Mining Sciences is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/S1365-1609(02)00059-X
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      – Code: eng
        Text: English
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        PageCount: 13
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        Type: general
      – SubjectFull: Acoustic emission
        Type: general
      – SubjectFull: Rock deformation
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      – TitleFull: Stress measurements from oriented core
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              Text: Jul2002
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              Y: 2002
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