JPS63122889A - 坑内岩盤からの岩石ブロック切出し方法 - Google Patents

坑内岩盤からの岩石ブロック切出し方法

Info

Publication number
JPS63122889A
JPS63122889A JP26808286A JP26808286A JPS63122889A JP S63122889 A JPS63122889 A JP S63122889A JP 26808286 A JP26808286 A JP 26808286A JP 26808286 A JP26808286 A JP 26808286A JP S63122889 A JPS63122889 A JP S63122889A
Authority
JP
Japan
Prior art keywords
rock
block
cut
out method
cutting
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
JP26808286A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0370078B2 (https=
Inventor
菊地　利宏
及川　宏
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.)
Dowa Holdings Co Ltd
Original Assignee
Dowa Mining 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 Dowa Mining Co Ltd filed Critical Dowa Mining Co Ltd
Priority to JP26808286A priority Critical patent/JPS63122889A/ja
Publication of JPS63122889A publication Critical patent/JPS63122889A/ja
Publication of JPH0370078B2 publication Critical patent/JPH0370078B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Working Measures On Existing Buildindgs (AREA)
JP26808286A 1986-11-11 1986-11-11 坑内岩盤からの岩石ブロック切出し方法 Granted JPS63122889A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26808286A JPS63122889A (ja) 1986-11-11 1986-11-11 坑内岩盤からの岩石ブロック切出し方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26808286A JPS63122889A (ja) 1986-11-11 1986-11-11 坑内岩盤からの岩石ブロック切出し方法

Publications (2)

Publication Number Publication Date
JPS63122889A true JPS63122889A (ja) 1988-05-26
JPH0370078B2 JPH0370078B2 (https=) 1991-11-06

Family

ID=17453636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26808286A Granted JPS63122889A (ja) 1986-11-11 1986-11-11 坑内岩盤からの岩石ブロック切出し方法

Country Status (1)

Country Link
JP (1) JPS63122889A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009144450A (ja) * 2007-12-17 2009-07-02 Hitachi Zosen Corp コンクリート構造物の破壊方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832270A (ja) * 1981-08-18 1983-02-25 Mitsubishi Electric Corp 記録円板の再生装置
JPS603387A (ja) * 1983-06-17 1985-01-09 株式会社奥村組 岩盤にピットを形成する方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832270A (ja) * 1981-08-18 1983-02-25 Mitsubishi Electric Corp 記録円板の再生装置
JPS603387A (ja) * 1983-06-17 1985-01-09 株式会社奥村組 岩盤にピットを形成する方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009144450A (ja) * 2007-12-17 2009-07-02 Hitachi Zosen Corp コンクリート構造物の破壊方法

Also Published As

Publication number Publication date
JPH0370078B2 (https=) 1991-11-06

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