JPS6151120B2 - - Google Patents

Info

Publication number
JPS6151120B2
JPS6151120B2 JP18094881A JP18094881A JPS6151120B2 JP S6151120 B2 JPS6151120 B2 JP S6151120B2 JP 18094881 A JP18094881 A JP 18094881A JP 18094881 A JP18094881 A JP 18094881A JP S6151120 B2 JPS6151120 B2 JP S6151120B2
Authority
JP
Japan
Prior art keywords
rock
slow
wedge
expansion
crushing
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
JP18094881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5883794A (ja
Inventor
Akira Takahashi
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.)
Nippon Kokan Koji KK
Original Assignee
Nippon Kokan Koji KK
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 Nippon Kokan Koji KK filed Critical Nippon Kokan Koji KK
Priority to JP18094881A priority Critical patent/JPS5883794A/ja
Publication of JPS5883794A publication Critical patent/JPS5883794A/ja
Publication of JPS6151120B2 publication Critical patent/JPS6151120B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP18094881A 1981-11-13 1981-11-13 無発破岩盤破砕工法 Granted JPS5883794A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18094881A JPS5883794A (ja) 1981-11-13 1981-11-13 無発破岩盤破砕工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18094881A JPS5883794A (ja) 1981-11-13 1981-11-13 無発破岩盤破砕工法

Publications (2)

Publication Number Publication Date
JPS5883794A JPS5883794A (ja) 1983-05-19
JPS6151120B2 true JPS6151120B2 (enrdf_load_stackoverflow) 1986-11-07

Family

ID=16092069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18094881A Granted JPS5883794A (ja) 1981-11-13 1981-11-13 無発破岩盤破砕工法

Country Status (1)

Country Link
JP (1) JPS5883794A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5883794A (ja) 1983-05-19

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