JPH035478B2 - - Google Patents

Info

Publication number
JPH035478B2
JPH035478B2 JP17944884A JP17944884A JPH035478B2 JP H035478 B2 JPH035478 B2 JP H035478B2 JP 17944884 A JP17944884 A JP 17944884A JP 17944884 A JP17944884 A JP 17944884A JP H035478 B2 JPH035478 B2 JP H035478B2
Authority
JP
Japan
Prior art keywords
cutting edge
face
concrete
cylinder
horizontal
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
JP17944884A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6157799A (ja
Inventor
Koichi Uemura
Makoto Uemura
Shinichi Maruta
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP17944884A priority Critical patent/JPS6157799A/ja
Publication of JPS6157799A publication Critical patent/JPS6157799A/ja
Publication of JPH035478B2 publication Critical patent/JPH035478B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP17944884A 1984-08-30 1984-08-30 大型筒体の切羽の掘削方法及びその刃口装置 Granted JPS6157799A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17944884A JPS6157799A (ja) 1984-08-30 1984-08-30 大型筒体の切羽の掘削方法及びその刃口装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17944884A JPS6157799A (ja) 1984-08-30 1984-08-30 大型筒体の切羽の掘削方法及びその刃口装置

Publications (2)

Publication Number Publication Date
JPS6157799A JPS6157799A (ja) 1986-03-24
JPH035478B2 true JPH035478B2 (enrdf_load_stackoverflow) 1991-01-25

Family

ID=16066033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17944884A Granted JPS6157799A (ja) 1984-08-30 1984-08-30 大型筒体の切羽の掘削方法及びその刃口装置

Country Status (1)

Country Link
JP (1) JPS6157799A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0781498B2 (ja) * 1988-08-29 1995-08-30 大豊建設株式会社 多連形トンネルの築造方法
JP2008303610A (ja) * 2007-06-07 2008-12-18 Shimizu Corp トンネル掘削機

Also Published As

Publication number Publication date
JPS6157799A (ja) 1986-03-24

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Legal Events

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LAPS Cancellation because of no payment of annual fees