BE520021A - - Google Patents
Info
- Publication number
- BE520021A BE520021A BE520021DA BE520021A BE 520021 A BE520021 A BE 520021A BE 520021D A BE520021D A BE 520021DA BE 520021 A BE520021 A BE 520021A
- Authority
- BE
- Belgium
- Prior art keywords
- articulation
- flanges
- supports
- halves
- gallery
- Prior art date
Links
- 241000251468 Actinopterygii Species 0.000 claims 1
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002787 reinforcement Effects 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
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)
- Pivots And Pivotal Connections (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE520021A true BE520021A (en(2012)) |
Family
ID=156053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520021D BE520021A (en(2012)) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE520021A (en(2012)) |
-
0
- BE BE520021D patent/BE520021A/fr unknown
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