AU473747B2 - Rock fracturing method and apparatus for excavation - Google Patents

Rock fracturing method and apparatus for excavation

Info

Publication number
AU473747B2
AU473747B2 AU42703/72A AU4270372A AU473747B2 AU 473747 B2 AU473747 B2 AU 473747B2 AU 42703/72 A AU42703/72 A AU 42703/72A AU 4270372 A AU4270372 A AU 4270372A AU 473747 B2 AU473747 B2 AU 473747B2
Authority
AU
Australia
Prior art keywords
excavation
fracturing method
rock fracturing
rock
fracturing
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
AU42703/72A
Other versions
AU4270372A (en
Inventor
Stuart Godfrey Charles
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.)
Physics International Co
Original Assignee
Physics International Co
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 Physics International Co filed Critical Physics International Co
Priority to AU42703/72A priority Critical patent/AU473747B2/en
Application granted granted Critical
Publication of AU473747B2 publication Critical patent/AU473747B2/en
Publication of AU4270372A publication Critical patent/AU4270372A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/005—Other methods or devices for dislodging with or without loading by projectiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
AU42703/72A 1972-05-25 1972-05-25 Rock fracturing method and apparatus for excavation Expired AU473747B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU42703/72A AU473747B2 (en) 1972-05-25 1972-05-25 Rock fracturing method and apparatus for excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU42703/72A AU473747B2 (en) 1972-05-25 1972-05-25 Rock fracturing method and apparatus for excavation

Publications (2)

Publication Number Publication Date
AU473747B2 true AU473747B2 (en) 1973-11-29
AU4270372A AU4270372A (en) 1973-11-29

Family

ID=3729923

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42703/72A Expired AU473747B2 (en) 1972-05-25 1972-05-25 Rock fracturing method and apparatus for excavation

Country Status (1)

Country Link
AU (1) AU473747B2 (en)

Also Published As

Publication number Publication date
AU4270372A (en) 1973-11-29

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