Title:
トンネル切羽前方の透水特性の評価方法および評価システム
Document Type and Number:
Japanese Patent JP6391010
Kind Code:
B2
More Like This:
Inventors:
Saburo Ishii
Nobuaki Kosaka
Nobuaki Kosaka
Application Number:
JP2014256627A
Publication Date:
September 19, 2018
Filing Date:
December 18, 2014
Export Citation:
Assignee:
Shimizu Construction Co., Ltd.
International Classes:
E21B49/00; E21D9/00; E21D9/06
Domestic Patent References:
| JP3055310A | ||||
| JP2007211564A | ||||
| JP2011252812A | ||||
| JP2007113333A | ||||
| JP2006037387A | ||||
| JP2004138447A | ||||
| JP2012018015A | ||||
| JP2008196261A |
Foreign References:
| US4537062 | ||||
| US4052885 |
Attorney, Agent or Firm:
Hiroaki Sakai