JPS5938494A - 岩盤孔掘削工法 - Google Patents

岩盤孔掘削工法

Info

Publication number
JPS5938494A
JPS5938494A JP14664782A JP14664782A JPS5938494A JP S5938494 A JPS5938494 A JP S5938494A JP 14664782 A JP14664782 A JP 14664782A JP 14664782 A JP14664782 A JP 14664782A JP S5938494 A JPS5938494 A JP S5938494A
Authority
JP
Japan
Prior art keywords
hole
blast
shaft
rock
blasting
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
JP14664782A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6220357B2 (enrdf_load_html_response
Inventor
勉 米田
佐藤 札治
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.)
Okumura Corp
Okumuragumi KK
Original Assignee
Okumura Corp
Okumuragumi 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 Okumura Corp, Okumuragumi KK filed Critical Okumura Corp
Priority to JP14664782A priority Critical patent/JPS5938494A/ja
Publication of JPS5938494A publication Critical patent/JPS5938494A/ja
Publication of JPS6220357B2 publication Critical patent/JPS6220357B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP14664782A 1982-08-24 1982-08-24 岩盤孔掘削工法 Granted JPS5938494A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14664782A JPS5938494A (ja) 1982-08-24 1982-08-24 岩盤孔掘削工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14664782A JPS5938494A (ja) 1982-08-24 1982-08-24 岩盤孔掘削工法

Publications (2)

Publication Number Publication Date
JPS5938494A true JPS5938494A (ja) 1984-03-02
JPS6220357B2 JPS6220357B2 (enrdf_load_html_response) 1987-05-06

Family

ID=15412456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14664782A Granted JPS5938494A (ja) 1982-08-24 1982-08-24 岩盤孔掘削工法

Country Status (1)

Country Link
JP (1) JPS5938494A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04126929U (ja) * 1991-04-26 1992-11-19 株式会社丸島アクアシステム 除塵機のスクリーンケージ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774600A (en) * 1980-10-29 1982-05-10 Youichi Shiba Blasting of rock bed or the like

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5774600A (en) * 1980-10-29 1982-05-10 Youichi Shiba Blasting of rock bed or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04126929U (ja) * 1991-04-26 1992-11-19 株式会社丸島アクアシステム 除塵機のスクリーンケージ

Also Published As

Publication number Publication date
JPS6220357B2 (enrdf_load_html_response) 1987-05-06

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