Title:
METHOD TO CONVERT EXISTING BUILDING INTO UNDERGROUND STRUCTURE
Document Type and Number:
Japanese Patent JP2017222985
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method to convert an existing building into an underground structure, for effectively utilizing the existing building.SOLUTION: An earth retaining wall 2 is provided on a ground G around an existing building 1, and the ground G inside the earth retaining wall 2 is excavated. A ceiling slab 3 of a caisson work chamber is constructed at a bottom edge part of the existing building 1 inside the earth retaining wall 2, to have the ceiling slab 3 supported by an existing bearing pile that supports the existing building 1. A cutting edge 6 is provided on the ceiling slab 3 at the same time forming the caisson work chamber, and an excavation facility 8 is outfitted in the caisson work chamber. A support post 9 for an outer wall is provided such that to connect the outer wall side of the existing building 1 with the ceiling slab 3. The ground G is excavated by the excavation facility 8 while supplying compressed air into the caisson work chamber, and the existing building 1 is submerged into the ground sequentially along with the caisson 7 comprising the ceiling slab 3 and the cutting edge 6, to have the existing building 1 installed underground.SELECTED DRAWING: Figure 5
Inventors:
MAEDA YUICHI
TSUCHIYA MASANORI
TSUCHIYA MASANORI
Application Number:
JP2016117122A
Publication Date:
December 21, 2017
Filing Date:
June 13, 2016
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
E02D23/04; E02D23/08; E02D27/32; E04G23/06
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Yoshifumi Saeki
Kenichi Kawabuchi
Tadashi Takahashi
Yoshifumi Saeki
Kenichi Kawabuchi