JPS5275836A - Method of forming tunnel - Google Patents

Method of forming tunnel

Info

Publication number
JPS5275836A
JPS5275836A JP15217375A JP15217375A JPS5275836A JP S5275836 A JPS5275836 A JP S5275836A JP 15217375 A JP15217375 A JP 15217375A JP 15217375 A JP15217375 A JP 15217375A JP S5275836 A JPS5275836 A JP S5275836A
Authority
JP
Japan
Prior art keywords
forming tunnel
tunnel
forming
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.)
Granted
Application number
JP15217375A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5530112B2 (enrdf_load_stackoverflow
Inventor
Mitsuhiro Kokutou
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.)
Seiko Kogyo Co Ltd
Original Assignee
Seiko Kogyo 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 Seiko Kogyo Co Ltd filed Critical Seiko Kogyo Co Ltd
Priority to JP15217375A priority Critical patent/JPS5275836A/ja
Publication of JPS5275836A publication Critical patent/JPS5275836A/ja
Publication of JPS5530112B2 publication Critical patent/JPS5530112B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP15217375A 1975-12-20 1975-12-20 Method of forming tunnel Granted JPS5275836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15217375A JPS5275836A (en) 1975-12-20 1975-12-20 Method of forming tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15217375A JPS5275836A (en) 1975-12-20 1975-12-20 Method of forming tunnel

Publications (2)

Publication Number Publication Date
JPS5275836A true JPS5275836A (en) 1977-06-25
JPS5530112B2 JPS5530112B2 (enrdf_load_stackoverflow) 1980-08-08

Family

ID=15534626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15217375A Granted JPS5275836A (en) 1975-12-20 1975-12-20 Method of forming tunnel

Country Status (1)

Country Link
JP (1) JPS5275836A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61159325U (enrdf_load_stackoverflow) * 1985-03-26 1986-10-02
JPS61164220U (enrdf_load_stackoverflow) * 1985-03-28 1986-10-11
JPS61164221U (enrdf_load_stackoverflow) * 1985-03-29 1986-10-11

Also Published As

Publication number Publication date
JPS5530112B2 (enrdf_load_stackoverflow) 1980-08-08

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