JPS57130700A - Support pillar apparatus in tunnel drilling - Google Patents

Support pillar apparatus in tunnel drilling

Info

Publication number
JPS57130700A
JPS57130700A JP1401781A JP1401781A JPS57130700A JP S57130700 A JPS57130700 A JP S57130700A JP 1401781 A JP1401781 A JP 1401781A JP 1401781 A JP1401781 A JP 1401781A JP S57130700 A JPS57130700 A JP S57130700A
Authority
JP
Japan
Prior art keywords
support pillar
tunnel drilling
pillar apparatus
tunnel
drilling
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
JP1401781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6135360B2 (enrdf_load_stackoverflow
Inventor
Seiji Endou
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 JP1401781A priority Critical patent/JPS57130700A/ja
Publication of JPS57130700A publication Critical patent/JPS57130700A/ja
Publication of JPS6135360B2 publication Critical patent/JPS6135360B2/ja
Granted legal-status Critical Current

Links

JP1401781A 1981-02-02 1981-02-02 Support pillar apparatus in tunnel drilling Granted JPS57130700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1401781A JPS57130700A (en) 1981-02-02 1981-02-02 Support pillar apparatus in tunnel drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1401781A JPS57130700A (en) 1981-02-02 1981-02-02 Support pillar apparatus in tunnel drilling

Publications (2)

Publication Number Publication Date
JPS57130700A true JPS57130700A (en) 1982-08-13
JPS6135360B2 JPS6135360B2 (enrdf_load_stackoverflow) 1986-08-12

Family

ID=11849417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1401781A Granted JPS57130700A (en) 1981-02-02 1981-02-02 Support pillar apparatus in tunnel drilling

Country Status (1)

Country Link
JP (1) JPS57130700A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6440151U (enrdf_load_stackoverflow) * 1987-09-04 1989-03-09

Also Published As

Publication number Publication date
JPS6135360B2 (enrdf_load_stackoverflow) 1986-08-12

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