DE2546493A1 - - Google Patents
Info
- Publication number
- DE2546493A1 DE2546493A1 DE19752546493 DE2546493A DE2546493A1 DE 2546493 A1 DE2546493 A1 DE 2546493A1 DE 19752546493 DE19752546493 DE 19752546493 DE 2546493 A DE2546493 A DE 2546493A DE 2546493 A1 DE2546493 A1 DE 2546493A1
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Road Paving Structures (AREA)
- Tents Or Canopies (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752546493 DE2546493C2 (de) | 1975-10-17 | Polygonförmiger Streckenausbau | |
FR7630771A FR2328103A1 (fr) | 1975-10-17 | 1976-10-13 | Soutenement de galerie de forme polygonale |
PL19307876A PL107193B1 (pl) | 1975-10-17 | 1976-10-16 | Wieloboczna obudowa chodnika |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752546493 DE2546493C2 (de) | 1975-10-17 | Polygonförmiger Streckenausbau |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2546493B1 DE2546493B1 (de) | 1976-12-30 |
DE2546493A1 true DE2546493A1 (xx) | 1976-12-30 |
DE2546493C2 DE2546493C2 (de) | 1977-08-18 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
DE2546493B1 (de) | 1976-12-30 |
PL107193B1 (pl) | 1980-01-31 |
FR2328103A1 (fr) | 1977-05-13 |
FR2328103B3 (xx) | 1980-11-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |