JPH0317039B2 - - Google Patents

Info

Publication number
JPH0317039B2
JPH0317039B2 JP58071490A JP7149083A JPH0317039B2 JP H0317039 B2 JPH0317039 B2 JP H0317039B2 JP 58071490 A JP58071490 A JP 58071490A JP 7149083 A JP7149083 A JP 7149083A JP H0317039 B2 JPH0317039 B2 JP H0317039B2
Authority
JP
Japan
Prior art keywords
crushing
holes
row
agent
gunpowder
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 - Lifetime
Application number
JP58071490A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59199991A (ja
Inventor
Tadashi Ogawa
Masao Sato
Kazutomi Sakai
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.)
Sumitomo Cement Co Ltd
Original Assignee
Sumitomo Cement 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 Sumitomo Cement Co Ltd filed Critical Sumitomo Cement Co Ltd
Priority to JP7149083A priority Critical patent/JPS59199991A/ja
Publication of JPS59199991A publication Critical patent/JPS59199991A/ja
Publication of JPH0317039B2 publication Critical patent/JPH0317039B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP7149083A 1983-04-25 1983-04-25 破砕工法 Granted JPS59199991A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7149083A JPS59199991A (ja) 1983-04-25 1983-04-25 破砕工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7149083A JPS59199991A (ja) 1983-04-25 1983-04-25 破砕工法

Publications (2)

Publication Number Publication Date
JPS59199991A JPS59199991A (ja) 1984-11-13
JPH0317039B2 true JPH0317039B2 (zh) 1991-03-07

Family

ID=13462149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7149083A Granted JPS59199991A (ja) 1983-04-25 1983-04-25 破砕工法

Country Status (1)

Country Link
JP (1) JPS59199991A (zh)

Families Citing this family (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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134294A (ja) * 1983-01-20 1984-08-01 大成建設株式会社 岩盤の先行破砕方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134294A (ja) * 1983-01-20 1984-08-01 大成建設株式会社 岩盤の先行破砕方法

Also Published As

Publication number Publication date
JPS59199991A (ja) 1984-11-13

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