JPS55119900A - Method of excavating tunnel and roof shielding device - Google Patents

Method of excavating tunnel and roof shielding device

Info

Publication number
JPS55119900A
JPS55119900A JP2727679A JP2727679A JPS55119900A JP S55119900 A JPS55119900 A JP S55119900A JP 2727679 A JP2727679 A JP 2727679A JP 2727679 A JP2727679 A JP 2727679A JP S55119900 A JPS55119900 A JP S55119900A
Authority
JP
Japan
Prior art keywords
shielding device
excavating tunnel
roof shielding
roof
excavating
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
JP2727679A
Other languages
Japanese (ja)
Other versions
JPS6144200B2 (en
Inventor
Akira Sawai
Michio Nakatani
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.)
Obayashi Gumi Ltd
Original Assignee
Obayashi Gumi 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 Obayashi Gumi Ltd filed Critical Obayashi Gumi Ltd
Priority to JP2727679A priority Critical patent/JPS55119900A/en
Publication of JPS55119900A publication Critical patent/JPS55119900A/en
Publication of JPS6144200B2 publication Critical patent/JPS6144200B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP2727679A 1979-03-10 1979-03-10 Method of excavating tunnel and roof shielding device Granted JPS55119900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2727679A JPS55119900A (en) 1979-03-10 1979-03-10 Method of excavating tunnel and roof shielding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2727679A JPS55119900A (en) 1979-03-10 1979-03-10 Method of excavating tunnel and roof shielding device

Publications (2)

Publication Number Publication Date
JPS55119900A true JPS55119900A (en) 1980-09-13
JPS6144200B2 JPS6144200B2 (en) 1986-10-01

Family

ID=12216545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2727679A Granted JPS55119900A (en) 1979-03-10 1979-03-10 Method of excavating tunnel and roof shielding device

Country Status (1)

Country Link
JP (1) JPS55119900A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104278995B (en) * 2014-09-18 2017-02-22 中国煤炭科工集团太原研究院有限公司 Automatic anchoring net connecting device for underground coal mine

Also Published As

Publication number Publication date
JPS6144200B2 (en) 1986-10-01

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