Title:
掘削ずり搬出方法
Document Type and Number:
Japanese Patent JP6811072
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an excavation muck carry-out method in which excavation muck generated when a face plane is excavated is take out rapidly from the vicinity of a pit face, in constructing a tunnel in which the pit face composed of the face plane and the bench extended from the face plane is formed.SOLUTION: An excavation muck carry-out method comprises: a box body arrangement step S1 of placing a plurality of box bodies adjacent to each other in the transverse direction of a tunnel, the box bodies having bottom planes and opening the top surfaces on a position proximity to at least the front end face of a bench; a face plane excavation step S2 of excavating a face plane so that the excavation muck is scattered into the insides of the plurality of box bodies placed by the box body arrangement step; and a box body movement step S4 of moving the plurality of box bodies accommodated with the excavation muck from the vicinity of the pit face after the face plane excavation step.SELECTED DRAWING: Figure 2
Inventors:
Toshihiko Komatsu
Application Number:
JP2016210343A
Publication Date:
January 13, 2021
Filing Date:
October 27, 2016
Export Citation:
Assignee:
MAEDA CORPORATION
International Classes:
E21D9/12
Domestic Patent References:
| JP61113996A | ||||
| JP4312694A | ||||
| JP8170486A | ||||
| JP8013981A | ||||
| JP60219399A |
Attorney, Agent or Firm:
Seishin ip patent business corporation