CA117609A - Methode d'excavation de tunnels dans le roc - Google Patents

Methode d'excavation de tunnels dans le roc

Info

Publication number
CA117609A
CA117609A CA000117609A CA117609DA CA117609A CA 117609 A CA117609 A CA 117609A CA 000117609 A CA000117609 A CA 000117609A CA 117609D A CA117609D A CA 117609DA CA 117609 A CA117609 A CA 117609A
Authority
CA
Canada
Prior art keywords
rock tunnels
excavating rock
excavating
tunnels
rock
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
CA000117609A
Other languages
English (en)
Inventor
Patrick Fork
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA117609A publication Critical patent/CA117609A/fr
Expired legal-status Critical Current

Links

CA000117609A 1908-07-27 1908-07-27 Methode d'excavation de tunnels dans le roc Expired CA117609A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA117609T 1908-07-27

Publications (1)

Publication Number Publication Date
CA117609A true CA117609A (fr) 1909-04-06

Family

ID=45237333

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000117609A Expired CA117609A (fr) 1908-07-27 1908-07-27 Methode d'excavation de tunnels dans le roc

Country Status (1)

Country Link
CA (1) CA117609A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5380127A (en) * 1993-03-15 1995-01-10 Cigar Lake Mining Corporation Non-entry method of underground excavation in weak or water bearing grounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5380127A (en) * 1993-03-15 1995-01-10 Cigar Lake Mining Corporation Non-entry method of underground excavation in weak or water bearing grounds

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