Title:
UNDERGROUND CAVITY EXAMINATION SYSTEM AND UNDERGROUND CAVITY EXAMINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/194371
Kind Code:
A1
Abstract:
This underground cavity examination system (1) of one embodiment comprises: a detector (11) that can detect muons and that is installed in a conduit which is buried underground; a position adjusting unit (12) that can adjust the position of the detector in the direction in which the conduit extends; and an analysis unit (13) that analyses the flux information of the muons detected by the detector (11), and thereby identifies the position of an underground cavity. The present invention can provide an underground cavity examination system that can easily examine an underground cavity.
Inventors:
MIYAMOTO SHINICHI (JP)
Application Number:
PCT/JP2019/012027
Publication Date:
October 01, 2020
Filing Date:
March 22, 2019
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
F16L1/00
Foreign References:
| JP2013002830A | 2013-01-07 | |||
| JP2008530581A | 2008-08-07 | |||
| JP2010271059A | 2010-12-02 | |||
| JP2014126407A | 2014-07-07 | |||
| JP2016519920A | 2016-07-07 | |||
| US4504438A | 1985-03-12 | |||
| JP2016520830A | 2016-07-14 | |||
| JP2004347541A | 2004-12-09 | |||
| JP2002055172A | 2002-02-20 | |||
| US5886255A | 1999-03-23 | |||
| JP2002243850A | 2002-08-28 | |||
| JPH10227868A | 1998-08-25 | |||
| JPS61286684A | 1986-12-17 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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