Title:
トンネルの補強構造及び連結具
Document Type and Number:
Japanese Patent JP6723066
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a reinforcing structure of a tunnel which can easily construct an inner wall face while making it easily visual in the tunnel.SOLUTION: A reinforcing structure of a tunnel comprises a plurality of reinforcing panels (1) arranged along an inner face of the tunnel, and connectors (2) having bolts having round heads having reflection members, and nuts fastened to shafts of the bolts, and connecting the adjacent reinforcing panels. The connectors (2) have rotation prevention members which are arranged between the round heads of the bolts and the reinforcing panels, and prevent the co-rotation of the bolts caused by the fastening of the nuts while being engaged with the shafts of the bolts, and the round heads are arranged at the reinforcing panels (1) so as to face a light source which intrudes into the tunnel.SELECTED DRAWING: Figure 3
Inventors:
Crane Mimi Akitoshi
Ikkei Ohki
Eiaki Kimura
Ikkei Ohki
Eiaki Kimura
Application Number:
JP2016096368A
Publication Date:
July 15, 2020
Filing Date:
May 12, 2016
Export Citation:
Assignee:
jfe building materials corporation
International Classes:
E21D11/04; E01F9/559; E01F9/619
Domestic Patent References:
| JP54099424U | ||||
| JP2015232204A | ||||
| JP2001081737A | ||||
| JP2012107491A | ||||
| JP11173319A | ||||
| JP58111417U | ||||
| JP58196312A | ||||
| JP2003106324A | ||||
| JP3018103U | ||||
| JP2002088723A | ||||
| JP11173087A | ||||
| JP61259994A | ||||
| JP59112014U | ||||
| JP2001209337A | ||||
| JP10148094A |
Foreign References:
| KR101222077B1 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima