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| 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 |
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| 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 and 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) | |
| Download PDF | OFT2006-66 |
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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) |
| 6th Author's Name | * |
| 6th Author's Affiliation | CODELCO (CODELCO) |
| 7th Author's Name | * |
| 7th Author's Affiliation | CODELCO (CODELCO) |
| 8th Author's Name | * |
| 8th Author's Affiliation | CODELCO (CODELCO) |
| 9th Author's Name | * |
| 9th Author's Affiliation | CODELCO (CODELCO) |
| 10th Author's Name | * |
| 10th Author's Affiliation | CODELCO (CODELCO) |
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| 11th Author's Affiliation | () |
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| 13th Author's Affiliation | () |
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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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