BE523534A - - Google Patents
Info
- Publication number
- BE523534A BE523534A BE523534DA BE523534A BE 523534 A BE523534 A BE 523534A BE 523534D A BE523534D A BE 523534DA BE 523534 A BE523534 A BE 523534A
- Authority
- BE
- Belgium
- Prior art keywords
- segments
- profiles
- sections
- roof
- cams
- Prior art date
Links
- 238000013138 pruning Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 241000251468 Actinopterygii Species 0.000 claims 1
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
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)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE523534A true BE523534A (de) |
Family
ID=158441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE523534D BE523534A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE523534A (de) |
-
0
- BE BE523534D patent/BE523534A/fr unknown
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