BE489062A - - Google Patents
Info
- Publication number
- BE489062A BE489062A BE489062DA BE489062A BE 489062 A BE489062 A BE 489062A BE 489062D A BE489062D A BE 489062DA BE 489062 A BE489062 A BE 489062A
- Authority
- BE
- Belgium
- Prior art keywords
- collar
- support
- segment
- axis
- gallery
- Prior art date
Links
- 230000035515 penetration Effects 0.000 claims description 7
- 230000000284 resting effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002023 wood 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
-
- 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)
- Mutual Connection Of Rods And Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489062A true BE489062A (de) |
Family
ID=134111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489062D BE489062A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE489062A (de) |
-
0
- BE BE489062D patent/BE489062A/fr unknown
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