RO77449A - Procede pour l'excavation de tunnels - Google Patents

Procede pour l'excavation de tunnels

Info

Publication number
RO77449A
RO77449A RO7894553A RO9455378A RO77449A RO 77449 A RO77449 A RO 77449A RO 7894553 A RO7894553 A RO 7894553A RO 9455378 A RO9455378 A RO 9455378A RO 77449 A RO77449 A RO 77449A
Authority
RO
Romania
Prior art keywords
tunnels
excavation
Prior art date
Application number
RO7894553A
Other languages
English (en)
Romanian (ro)
Inventor
Jozef Balogh
Josef Bernvalner
Vilmos Goffarth
Gabor Gozon
Gabor Kovacs
Laszlo Rozsa
Istvan Tari
Original Assignee
Ut-Vasutterveze Vallalat,Hu
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 Ut-Vasutterveze Vallalat,Hu filed Critical Ut-Vasutterveze Vallalat,Hu
Publication of RO77449A publication Critical patent/RO77449A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
    • E21D9/065—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end with devices for provisionally supporting the front face

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)
RO7894553A 1977-07-15 1978-07-04 Procede pour l'excavation de tunnels RO77449A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU77BA3559A HU187741B (en) 1977-07-15 1977-07-15 Method for drifting round tunnels being under groundwater level, in nonstable variable grounds

Publications (1)

Publication Number Publication Date
RO77449A true RO77449A (fr) 1981-11-04

Family

ID=10993449

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7894553A RO77449A (fr) 1977-07-15 1978-07-04 Procede pour l'excavation de tunnels

Country Status (4)

Country Link
DE (1) DE2828221C2 (fr)
HU (1) HU187741B (fr)
PL (1) PL208385A1 (fr)
RO (1) RO77449A (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1911987B1 (de) * 1969-03-10 1970-12-03 R Schaefer & Urbach Gmbh Fa Vortriebsschild fuer den Tunnelbau
DE2048514A1 (de) * 1970-10-02 1972-04-06 Wayss & Freytag Kg, 6000 Frankfurt Vortriebsschild
DE2117483A1 (de) * 1971-04-10 1972-10-19 Grün & Bilfinger AG, 6800 Mannheim Brustverbau

Also Published As

Publication number Publication date
DE2828221A1 (de) 1979-02-01
DE2828221C2 (de) 1986-01-16
PL208385A1 (pl) 1979-04-23
HU187741B (en) 1986-02-28

Similar Documents

Publication Publication Date Title
BE869256A (fr) Procede pour l'ethylation de mono-alkylbenzenes
RO74849A (fr) Procede pour la recuperation d'olefine-nitryles
BE866717A (fr) Procede pour la preparation d'elastomeres de polyurethannes-urees
BE839140A (fr) Procede pour l'obtention de n-acyl-l-methionine
BE861172A (fr) Procede de preparation d'alpha-amino-amides
BE862106A (fr) Procede de preparation d'electro-corindon fondu
RO79398A (fr) Procede pour la preparation des 1-oxa-dethiacephalosporines
FR2304724A1 (fr) Procede de construction d'ouvrages en terre
LU80567A1 (fr) Procede pour la preparation de 3-iodo-et de 3 bromorifamycine s
RO83446A (fr) Procede pour la preparation des cyclopropylmethoxyanilides
BE862360A (fr) Procede pour la chloration dirigee d'alcoylbenzenes
BE872135A (fr) Procede pour l'epuisement du minerai de manganese
BE867414A (fr) Procede pour la preparation d'hydroxy-alpha-aminobenzylpenicillines
FR2408661B1 (fr) Procede de production d'aciers resulfures
BE867228A (fr) Procede pour la preparation d'hydroxyphenylglycocolles
BE871961A (fr) Procede ameliore pour la production d'alkylene-glycols
RO75093A (fr) Procede de preparation de l'acetone de isobutyraldehide
FR2378745B1 (fr) Procede pour la preparation de para-nitroso-diphenyl-hydroxylamines
BE870138A (fr) Procede pour la preparation de 1-anthraquinonylhydrazines
RO79702A (fr) Procede pour la preparation de 3-di-n-propyle-acetoxy-benzodiazepin-2-ones
RO77449A (fr) Procede pour l'excavation de tunnels
RO81525A (fr) Procede pour la preparation des 9-fluor-prednisolones
RO75074A (fr) Procede pour la preparation des thiophenoles
PT66065A (fr) Procede pour la preparation de hydrocarbonetes
FR2379503B1 (fr) Procede de preparation de l'isoviolanthrone