Title:
モニタリング機能付き防水シートを有するトンネル
Document Type and Number:
Japanese Patent JP4632228
Kind Code:
B2
Abstract:
To provide a waterproof sheet with a monitoring function, which is low in cost, and positively carries out measuring of damage of the sheet, caused by ground pressure, and to provide a tunnel having the waterproof sheet.
The tunnel is constructed of primary lining concrete 2 arranged along the natural ground 1, the waterproof sheet 3 arranged under the primary lining concrete 2 and equipped with an optical fiber sensor, and secondary lining concrete 5 arranged under the waterproof sheet 3 equipped with the optical fiber sensor.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Yoshiyuki Kojima
Kenichi Kuribayashi
Kenichi Kuribayashi
Application Number:
JP2003423224A
Publication Date:
February 16, 2011
Filing Date:
December 19, 2003
Export Citation:
Assignee:
Railway Technical Research Institute
International Classes:
E21D11/38; E21D11/00; E21F17/00; G01B11/16
Domestic Patent References:
| JP59183999U | ||||
| JP2002131025A | ||||
| JP10131690A | ||||
| JP2000275018A | ||||
| JP3268010B2 |
Attorney, Agent or Firm:
Mamoru Shimizu