BE504228A - - Google Patents
Info
- Publication number
- BE504228A BE504228A BE504228DA BE504228A BE 504228 A BE504228 A BE 504228A BE 504228D A BE504228D A BE 504228DA BE 504228 A BE504228 A BE 504228A
- Authority
- BE
- Belgium
- Prior art keywords
- ring
- wedge
- profile
- clamping
- support
- Prior art date
Links
- 239000011324 bead Substances 0.000 claims description 5
- 238000005065 mining Methods 0.000 description 2
- 206010016275 Fear Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock 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
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
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)
- Clamps And Clips (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504228A true BE504228A (https=) |
Family
ID=145151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504228D BE504228A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE504228A (https=) |
-
0
- BE BE504228D patent/BE504228A/fr unknown
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