PL107193B1 - Wieloboczna obudowa chodnika - Google Patents
Wieloboczna obudowa chodnika Download PDFInfo
- Publication number
- PL107193B1 PL107193B1 PL19307876A PL19307876A PL107193B1 PL 107193 B1 PL107193 B1 PL 107193B1 PL 19307876 A PL19307876 A PL 19307876A PL 19307876 A PL19307876 A PL 19307876A PL 107193 B1 PL107193 B1 PL 107193B1
- Authority
- PL
- Poland
- Prior art keywords
- segments
- sections
- straight
- end sections
- section
- Prior art date
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)
- Tents Or Canopies (AREA)
- Lining And Supports For Tunnels (AREA)
- Road Paving Structures (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752546493 DE2546493C2 (de) | 1975-10-17 | Polygonförmiger Streckenausbau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL107193B1 true PL107193B1 (pl) | 1980-01-31 |
Family
ID=5959359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19307876A PL107193B1 (pl) | 1975-10-17 | 1976-10-16 | Wieloboczna obudowa chodnika |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2328103A1 (enExample) |
| PL (1) | PL107193B1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798723B (zh) * | 2018-06-29 | 2020-01-17 | 河南理工大学 | 一种应用于厚煤层的含托顶煤的超高回采巷道支护方法 |
-
1976
- 1976-10-13 FR FR7630771A patent/FR2328103A1/fr active Granted
- 1976-10-16 PL PL19307876A patent/PL107193B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2546493A1 (enExample) | 1976-12-30 |
| FR2328103B3 (enExample) | 1980-11-07 |
| FR2328103A1 (fr) | 1977-05-13 |
| DE2546493B1 (de) | 1976-12-30 |
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