Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling
Laboratory experiments have confirmed that the application of uniaxial stress on rock samples is accompanied by the production of weak electric currents, to which the term Pressure Stimulated Currents – PSC has been attributed. In this work the PSC emissions in amphibolite samples from KTB...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2007-01-01
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| Series: | Natural Hazards and Earth System Sciences |
| Online Access: | http://www.nat-hazards-earth-syst-sci.net/7/149/2007/nhess-7-149-2007.pdf |
| _version_ | 1829484759145775104 |
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| author | D. Triantis C. Anastasiadis F. Vallianatos P. Kyriazis P. Kyriazis G. Nover |
| author_facet | D. Triantis C. Anastasiadis F. Vallianatos P. Kyriazis P. Kyriazis G. Nover |
| author_sort | D. Triantis |
| collection | DOAJ |
| description | Laboratory experiments have confirmed that the application of uniaxial stress on rock samples is accompanied by the production of weak electric currents, to which the term Pressure Stimulated Currents – PSC has been attributed. In this work the PSC emissions in amphibolite samples from KTB drilling are presented and commented upon. After having applied sequential loading and unloading cycles on the amphibolite samples, it was ascertained that in every new loading cycle after unloading, the emitted PSC exhibits lower peaks. This attitude of the current peaks is consistent with the acoustic emissions phenomena, and in this work is verified for PSC emissions during loading – unloading procedures. Consequently, the evaluation of such signals can help to correlate the state and the remaining strength of the sample with respect to the history of its mechanical stress. |
| first_indexed | 2024-12-14T22:33:24Z |
| format | Article |
| id | doaj.art-2c77d5508a21453dbc6161de0faf7203 |
| institution | Directory Open Access Journal |
| issn | 1561-8633 1684-9981 |
| language | English |
| last_indexed | 2024-12-14T22:33:24Z |
| publishDate | 2007-01-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Natural Hazards and Earth System Sciences |
| spelling | doaj.art-2c77d5508a21453dbc6161de0faf72032022-12-21T22:45:12ZengCopernicus PublicationsNatural Hazards and Earth System Sciences1561-86331684-99812007-01-0171149154Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drillingD. TriantisC. AnastasiadisF. VallianatosP. KyriazisP. KyriazisG. NoverLaboratory experiments have confirmed that the application of uniaxial stress on rock samples is accompanied by the production of weak electric currents, to which the term Pressure Stimulated Currents – PSC has been attributed. In this work the PSC emissions in amphibolite samples from KTB drilling are presented and commented upon. After having applied sequential loading and unloading cycles on the amphibolite samples, it was ascertained that in every new loading cycle after unloading, the emitted PSC exhibits lower peaks. This attitude of the current peaks is consistent with the acoustic emissions phenomena, and in this work is verified for PSC emissions during loading – unloading procedures. Consequently, the evaluation of such signals can help to correlate the state and the remaining strength of the sample with respect to the history of its mechanical stress.http://www.nat-hazards-earth-syst-sci.net/7/149/2007/nhess-7-149-2007.pdf |
| spellingShingle | D. Triantis C. Anastasiadis F. Vallianatos P. Kyriazis P. Kyriazis G. Nover Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling Natural Hazards and Earth System Sciences |
| title | Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling |
| title_full | Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling |
| title_fullStr | Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling |
| title_full_unstemmed | Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling |
| title_short | Electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from KTB drilling |
| title_sort | electric signal emissions during repeated abrupt uniaxial compressional stress steps in amphibolite from ktb drilling |
| url | http://www.nat-hazards-earth-syst-sci.net/7/149/2007/nhess-7-149-2007.pdf |
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