JPS6217068B2 - - Google Patents

Info

Publication number
JPS6217068B2
JPS6217068B2 JP21135682A JP21135682A JPS6217068B2 JP S6217068 B2 JPS6217068 B2 JP S6217068B2 JP 21135682 A JP21135682 A JP 21135682A JP 21135682 A JP21135682 A JP 21135682A JP S6217068 B2 JPS6217068 B2 JP S6217068B2
Authority
JP
Japan
Prior art keywords
primary
shield
enlarged
segment
tunnel
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
JP21135682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59102086A (ja
Inventor
Yoshuki Takahashi
Fumihiro Koiso
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 JP21135682A priority Critical patent/JPS59102086A/ja
Priority to GB08330589A priority patent/GB2133439B/en
Priority to US06/557,445 priority patent/US4569616A/en
Publication of JPS59102086A publication Critical patent/JPS59102086A/ja
Publication of JPS6217068B2 publication Critical patent/JPS6217068B2/ja
Priority to MY925/87A priority patent/MY8700925A/xx
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP21135682A 1982-12-03 1982-12-03 拡大トンネル掘削工法 Granted JPS59102086A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP21135682A JPS59102086A (ja) 1982-12-03 1982-12-03 拡大トンネル掘削工法
GB08330589A GB2133439B (en) 1982-12-03 1983-11-16 Method of enlarging a tunnel
US06/557,445 US4569616A (en) 1982-12-03 1983-12-02 Driving process of enlarged tunnel
MY925/87A MY8700925A (en) 1982-12-03 1987-12-30 Method of making an enlarged tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21135682A JPS59102086A (ja) 1982-12-03 1982-12-03 拡大トンネル掘削工法

Publications (2)

Publication Number Publication Date
JPS59102086A JPS59102086A (ja) 1984-06-12
JPS6217068B2 true JPS6217068B2 (cg-RX-API-DMAC7.html) 1987-04-15

Family

ID=16604608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21135682A Granted JPS59102086A (ja) 1982-12-03 1982-12-03 拡大トンネル掘削工法

Country Status (1)

Country Link
JP (1) JPS59102086A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6065895A (ja) * 1983-09-22 1985-04-15 鹿島建設株式会社 拡大シ−ルド工法

Also Published As

Publication number Publication date
JPS59102086A (ja) 1984-06-12

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