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Title:
UNDERGROUND OPERATION DEVICE AND UNDERGROUND OPERATION METHOD USING THE SAME
Document Type and Number:
Japanese Patent JP2016035146
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an underground operation device of a relatively simple structure, capable of, for example, investigating immediately under a structure and establishing a solidified body for ground improvement based on the investigation result or a construction design.SOLUTION: An underground operation device includes: a guide member 2 penetrating into and installed in a ground from a ground surface side or pulled out, roughly vertically; feeding means 3 supported by the guide member, having an extension member extended roughly horizontally in the ground from around a tip side of the guide member; and operation means comprising excavation means 26 installed on a tip side of the extension member and transferred along the guide member 2 from the ground surface side through a feeding passage, an injection nozzle injecting a ground improvement fluid, and/or investigation equipment such as a camera for observing and a sensor for sensing underground conditions.SELECTED DRAWING: Figure 1

Inventors:
FUKADA HISASHI
YAMASHITA YUJI
YABE HIROSHI
IMAKIRE KENICHI
ISOTANI SHUJI
NAKAJIMA YOSHITAKA
Application Number:
JP2014157546A
Publication Date:
March 17, 2016
Filing Date:
August 01, 2014
Export Citation:
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Assignee:
FUDO TETRA CORP
International Classes:
E02D3/12; E02D1/00
Domestic Patent References:
JP3820652B22006-09-13
JP2000073681A2000-03-07
JPH09119495A1997-05-06
JP2012225439A2012-11-15
JPH07237155A1995-09-12
JPH0860647A1996-03-05
JP5602965B12014-10-08
JP2016006257A2016-01-14
JP2006052634A2006-02-23
JPH0460091A1992-02-26
JPH09328742A1997-12-22
JP2013072747A2013-04-22
JPS61109818A1986-05-28
Foreign References:
US4697953A1987-10-06
Attorney, Agent or Firm:
Hideki Yamamoto