JPS6346233B2 - - Google Patents

Info

Publication number
JPS6346233B2
JPS6346233B2 JP5145983A JP5145983A JPS6346233B2 JP S6346233 B2 JPS6346233 B2 JP S6346233B2 JP 5145983 A JP5145983 A JP 5145983A JP 5145983 A JP5145983 A JP 5145983A JP S6346233 B2 JPS6346233 B2 JP S6346233B2
Authority
JP
Japan
Prior art keywords
existing tunnel
tunnel
propulsion blade
propulsion
existing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP5145983A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59177497A (ja
Inventor
Hideo Shimura
Haruo Kaneko
Minoru Morita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Construction Co Ltd
Original Assignee
Mitsui Construction Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Construction Co Ltd filed Critical Mitsui Construction Co Ltd
Priority to JP5145983A priority Critical patent/JPS59177497A/ja
Publication of JPS59177497A publication Critical patent/JPS59177497A/ja
Publication of JPS6346233B2 publication Critical patent/JPS6346233B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP5145983A 1983-03-29 1983-03-29 拡大推進工法 Granted JPS59177497A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5145983A JPS59177497A (ja) 1983-03-29 1983-03-29 拡大推進工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5145983A JPS59177497A (ja) 1983-03-29 1983-03-29 拡大推進工法

Publications (2)

Publication Number Publication Date
JPS59177497A JPS59177497A (ja) 1984-10-08
JPS6346233B2 true JPS6346233B2 (enrdf_load_stackoverflow) 1988-09-14

Family

ID=12887514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5145983A Granted JPS59177497A (ja) 1983-03-29 1983-03-29 拡大推進工法

Country Status (1)

Country Link
JP (1) JPS59177497A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7166137B2 (ja) * 2018-10-23 2022-11-07 大成建設株式会社 シールド機の推力伝達構造及び推力伝達方法。

Also Published As

Publication number Publication date
JPS59177497A (ja) 1984-10-08

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