DE1809326C3 - - Google Patents

Info

Publication number
DE1809326C3
DE1809326C3 DE19681809326 DE1809326A DE1809326C3 DE 1809326 C3 DE1809326 C3 DE 1809326C3 DE 19681809326 DE19681809326 DE 19681809326 DE 1809326 A DE1809326 A DE 1809326A DE 1809326 C3 DE1809326 C3 DE 1809326C3
Authority
DE
Germany
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
DE19681809326
Other languages
German (de)
Other versions
DE1809326A1 (en
Inventor
Anton Dipl.-Ing. 8000 Muenchen Frank
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.)
Held & Francke Bauaktiengesellschaft 8000 Muenchen
Original Assignee
Held & Francke Bauaktiengesellschaft 8000 Muenchen
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 Held & Francke Bauaktiengesellschaft 8000 Muenchen filed Critical Held & Francke Bauaktiengesellschaft 8000 Muenchen
Priority to DE19681809326 priority Critical patent/DE1809326C3/de
Publication of DE1809326A1 publication Critical patent/DE1809326A1/en
Application granted granted Critical
Publication of DE1809326C3 publication Critical patent/DE1809326C3/de
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/001Improving soil or rock, e.g. by freezing; Injections
DE19681809326 1968-11-16 1968-11-16 Expired DE1809326C3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19681809326 DE1809326C3 (en) 1968-11-16 1968-11-16

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19681809326 DE1809326C3 (en) 1968-11-16 1968-11-16
AT1210468A AT298551B (en) 1968-11-16 1968-12-12 A method for producing a tunnel or gallery

Publications (2)

Publication Number Publication Date
DE1809326A1 DE1809326A1 (en) 1970-06-04
DE1809326C3 true DE1809326C3 (en) 1975-04-17

Family

ID=5713521

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681809326 Expired DE1809326C3 (en) 1968-11-16 1968-11-16

Country Status (2)

Country Link
AT (1) AT298551B (en)
DE (1) DE1809326C3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968655A (en) * 1973-07-13 1976-07-13 Mcglothlin William K Method of reinforcing tunnels before excavation
US3996751A (en) * 1973-07-30 1976-12-14 Tore Jerker Hallenius Method of blasting and reinforcing rock cavities

Also Published As

Publication number Publication date
AT298551B (en) 1972-05-10
DE1809326A1 (en) 1970-06-04

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee