Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
トンネル周辺地山の評価方法およびトンネル施工方法
Document Type and Number:
Japanese Patent JP6802641
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an evaluation method of tunnel surrounding ground and a tunnel construction method capable of accurately comprehending the natural ground at the tunnel back and/or working front to thereby improve the safety in a tunnel construction and increase the construction speed.SOLUTION: The evaluation method of tunnel surrounding ground, includes the steps of: obtaining a piece of image data of tunnel surroundings 3 and working front 2 in the vicinity of the working front 2; obtaining a piece of boring data of a natural ground G in the vicinity of the working front 2 in a three-dimensional manner; creating a geological development image based on the image data; and creating a contour diagram of the boring energy based on the boring data. The natural ground G of the tunnel 1 back and working front 2 is evaluated based on the geological development image and the contour diagram.SELECTED DRAWING: Figure 1

Inventors:
Takashi Ichiki
Yamagami Junmin
Takuya Tani
Application Number:
JP2016092334A
Publication Date:
December 16, 2020
Filing Date:
May 02, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Taisei Corporation
International Classes:
E21D9/00; E21B47/00; E21D20/00
Domestic Patent References:
JP7208060A
JP2013072704A
JP6003145A
JP11081855A
JP11174046A
JP6201843A
JP10331575A
JP2005220687A
JP7269282A
JP11270283A
JP11256561A
JP7049756B2
JP2003020897A
Foreign References:
US20150233242
Attorney, Agent or Firm:
Isono International Patent and Trademark Office