BE444989A - - Google Patents
Info
- Publication number
- BE444989A BE444989A BE444989DA BE444989A BE 444989 A BE444989 A BE 444989A BE 444989D A BE444989D A BE 444989DA BE 444989 A BE444989 A BE 444989A
- Authority
- BE
- Belgium
- Prior art keywords
- elbows
- segments
- frame
- support frame
- ground
- Prior art date
Links
- 230000002787 reinforcement Effects 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241000272165 Charadriidae Species 0.000 description 1
- 241001674048 Phthiraptera Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 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
- E21D11/24—Knuckle joints or links between arch members
-
- 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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE444989A true BE444989A (el) |
Family
ID=101495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE444989D BE444989A (el) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE444989A (el) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2446376A1 (fr) * | 1979-01-15 | 1980-08-08 | Pont A Mousson | Procede et dispositif pour l'assemblage de voussoirs d'un revetement de tunnel |
-
0
- BE BE444989D patent/BE444989A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2446376A1 (fr) * | 1979-01-15 | 1980-08-08 | Pont A Mousson | Procede et dispositif pour l'assemblage de voussoirs d'un revetement de tunnel |
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