RO77449A - PROCESS FOR THE EXCAVATION OF TUNNELS - Google Patents
PROCESS FOR THE EXCAVATION OF TUNNELSInfo
- 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
Links
- 238000009412 basement excavation Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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)
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 (en) | 1981-11-04 |
Family
ID=10993449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7894553A RO77449A (en) | 1977-07-15 | 1978-07-04 | PROCESS FOR THE EXCAVATION OF TUNNELS |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2828221C2 (en) |
HU (1) | HU187741B (en) |
PL (1) | PL208385A1 (en) |
RO (1) | RO77449A (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911987B1 (en) * | 1969-03-10 | 1970-12-03 | R Schaefer & Urbach Gmbh Fa | Driving shield for tunnel construction |
DE2048514A1 (en) * | 1970-10-02 | 1972-04-06 | Wayss & Freytag Kg, 6000 Frankfurt | Propulsion shield |
DE2117483A1 (en) * | 1971-04-10 | 1972-10-19 | Grün & Bilfinger AG, 6800 Mannheim | Breast augmentation |
-
1977
- 1977-07-15 HU HU77BA3559A patent/HU187741B/en unknown
-
1978
- 1978-06-28 DE DE2828221A patent/DE2828221C2/en not_active Expired
- 1978-07-04 RO RO7894553A patent/RO77449A/en unknown
- 1978-07-13 PL PL20838578A patent/PL208385A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL208385A1 (en) | 1979-04-23 |
HU187741B (en) | 1986-02-28 |
DE2828221A1 (en) | 1979-02-01 |
DE2828221C2 (en) | 1986-01-16 |
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