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Paper Abstract and Keywords
Presentation 2007-01-26 10:40
Application of distributed fiber optic strain sensing system to underground mine monitoring
Hiroshi Naruse (Mie Univ.), Hideki Uehara, Taishi Deguchi (ＮＴＴ AS), Kazuhiko Fujihashi (NTT InfraNet), Masatoshi Onishi (Aichi University of Technology), , , , , (CODELCO) OFT2006-66
Abstract (in Japanese) (See Japanese page) 
(in English) To monitor changes in an underground mine’ state resulting from mining activities, a monitoring system using a distributed fiber optic strain sensing system was constructed in the El Teniente mine and the applicability of the system to the underground mine monitoring was investigated through a half-year field trial. After describing the structure of and mining processes in the mine, we outlined the configuration of the monitoring system constructed in the mine, described the optical fiber sensor installation, and presented some monitoring results. The results showed that the system detected changes in the mine state due to the stress distribution imbalance produced under the undercut face and the large-scale ore extraction area.
Keyword (in Japanese) (See Japanese page) 
(in English) Underground mine / Mining activity / Change / Monitoring system / Field trial / Strain / BOTDR /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 497, OFT2006-66, pp. 71-76, Jan. 2007.
Paper # OFT2006-66 
Date of Issue 2007-01-18 (OFT) 
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 OFT  
Conference Date 2007-01-25 - 2007-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2007-01-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Application of distributed fiber optic strain sensing system to underground mine monitoring 
Sub Title (in English)  
Keyword(1) Underground mine  
Keyword(2) Mining activity  
Keyword(3) Change  
Keyword(4) Monitoring system  
Keyword(5) Field trial  
Keyword(6) Strain  
Keyword(7) BOTDR  
Keyword(8)  
1st Author's Name Hiroshi Naruse  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Hideki Uehara  
2nd Author's Affiliation NTT Access Network Service Systems Laboratories (ＮＴＴ AS)
3rd Author's Name Taishi Deguchi  
3rd Author's Affiliation NTT Access Network Service Systems Laboratories (ＮＴＴ AS)
4th Author's Name Kazuhiko Fujihashi  
4th Author's Affiliation NTT InfraNet (NTT InfraNet)
5th Author's Name Masatoshi Onishi  
5th Author's Affiliation Aichi University of Technology (Aichi University of Technology)
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6th Author's Affiliation CODELCO (CODELCO)
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7th Author's Affiliation CODELCO (CODELCO)
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8th Author's Affiliation CODELCO (CODELCO)
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9th Author's Affiliation CODELCO (CODELCO)
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10th Author's Affiliation CODELCO (CODELCO)
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Speaker Author-1 
Date Time 2007-01-26 10:40:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2006-66 
Volume (vol) vol.106 
Number (no) no.497 
Page pp.71-76 
#Pages 6 
Date of Issue 2007-01-18 (OFT) 

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