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Title:
NATURAL GROUND MEASUREMENT SYSTEM, NATURAL GROUND MEASUREMENT METHOD, NATURAL GROUND CONTROL SYSTEM AND NATURAL GROUND CONTROL METHOD
Document Type and Number:
Japanese Patent JP2022014396
Kind Code:
A
Abstract:
To provide a natural ground measurement system, a natural ground measurement method, a natural ground control system and a natural ground control method capable of feeding measurement data back to a subsequent mountain tunnel construction swiftly without restricting a collection timing of the measurement data or a measurement location.SOLUTION: A natural ground measurement system 50 for measuring quantitative data showing a natural ground property as a mountain tunnel 10 is drilled has a measurement instrument 20 stored in a measurement hole 16 extending from a pit wall 13 of the mountain tunnel 10 toward a natural ground G side, and a communication instrument 30 arranged at a pit mouth 12 side than the measurement hole 16. The measurement instrument 20 comprises a measurement part and a first communication part, and the first communication part comprises a LPWA radio communication module and a communication antenna for a radio transmission of measurement data measured by the measurement part to the communication instrument 30.SELECTED DRAWING: Figure 1

Inventors:
MIZUNO FUMITAKA
TANI TAKUYA
Application Number:
JP2020116700A
Publication Date:
January 19, 2022
Filing Date:
July 06, 2020
Export Citation:
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Assignee:
TAISEI CORP
International Classes:
E21D9/00
Domestic Patent References:
JP2019140687A2019-08-22
JP2020088803A2020-06-04
JP2003075247A2003-03-12
JP2016061080A2016-04-25
JP2011256525A2011-12-22
JP2022513444A2022-02-08
JP2019016006A2019-01-31
JP2003028991A2003-01-29
JP2013053444A2013-03-21
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito



 
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