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Paper Abstract and Keywords
Presentation 2007-10-26 10:00
Measurements of micro-electric potential and acoustic emission accompanied with specimen failure in uniaxial compressive test
Seong-Jun Cho (KIGAM), Jong-Wook Kim (KIGAM/Chonbuk Nat'l Univ.), Sam-Gyu Park (KIGAM), Young-Soo Song (Chonbuk Nat'l Univ.), Nak-Hun Sung, Jung-Ho Kim (KIGAM) SANE2007-72
Abstract (in Japanese) (See Japanese page) 
(in English) As a part of basic studies on monitoring of landslides and slope stability using SP measurements, micro-electric
potentials and acoustic emission of rock samples were measured, which were accompanied with the rock failure by a uniaxial loading test. Rock samples of granite, limestone, sandstone and mortar samples were tested. Micro-electric potentials were detected in all saturated samples and the strength of them increased as the loading force increased. We found that the bigger micro-electric potentials were observed at the electrodes near the crack surface of rock samples. The measurement of AE gave similar results where crack locations to be calculated from AE signal corresponded to the crack positions to be observed at the surface of the sample. This is a encouraging result that SP monitoring can be applied to predicting landslide or to estimating a collapsed position combining with monitoring of acoustic emissions.
Keyword (in Japanese) (See Japanese page) 
(in English) Micro-electric potential / Acoustic emission / SP monitoring / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 277, SANE2007-72, pp. 59-60, Oct. 2007.
Paper # SANE2007-72 
Date of Issue 2007-10-18 (SANE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SANE  
Conference Date 2007-10-25 - 2007-10-26 
Place (in Japanese) (See Japanese page) 
Place (in English) KIST(Seoul) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 9th workshop on subsurface electromagnetic measurement 
Paper Information
Registration To SANE 
Conference Code 2007-10-SANE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurements of micro-electric potential and acoustic emission accompanied with specimen failure in uniaxial compressive test 
Sub Title (in English)  
Keyword(1) Micro-electric potential  
Keyword(2) Acoustic emission  
Keyword(3) SP monitoring  
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1st Author's Name Seong-Jun Cho  
1st Author's Affiliation Korea Institute of Geoscience and Mineral resources (KIGAM)
2nd Author's Name Jong-Wook Kim  
2nd Author's Affiliation Korea Institute of Geoscience and Mineral resources/Chonbuk National University (KIGAM/Chonbuk Nat'l Univ.)
3rd Author's Name Sam-Gyu Park  
3rd Author's Affiliation Korea Institute of Geoscience and Mineral resources (KIGAM)
4th Author's Name Young-Soo Song  
4th Author's Affiliation Chonbuk National University (Chonbuk Nat'l Univ.)
5th Author's Name Nak-Hun Sung  
5th Author's Affiliation Korea Institute of Geoscience and Mineral resources (KIGAM)
6th Author's Name Jung-Ho Kim  
6th Author's Affiliation Korea Institute of Geoscience and Mineral resources (KIGAM)
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Speaker Author-1 
Date Time 2007-10-26 10:00:00 
Presentation Time 30 minutes 
Registration for SANE 
Paper # SANE2007-72 
Volume (vol) vol.107 
Number (no) no.277 
Page pp.59-60 
#Pages 2 
Date of Issue 2007-10-18 (SANE) 

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