BE490123A - - Google Patents
Info
- Publication number
- BE490123A BE490123A BE490123DA BE490123A BE 490123 A BE490123 A BE 490123A BE 490123D A BE490123D A BE 490123DA BE 490123 A BE490123 A BE 490123A
- Authority
- BE
- Belgium
- Prior art keywords
- profiles
- profile
- webs
- segments
- nested
- Prior art date
Links
- 238000010276 construction Methods 0.000 claims description 10
- 235000000396 iron Nutrition 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel 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
- E21D11/20—Special cross- sections, e.g. corrugated
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)
- Lining And Supports For Tunnels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490123A true BE490123A (OSRAM) |
Family
ID=134906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490123D BE490123A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE490123A (OSRAM) |
-
0
- BE BE490123D patent/BE490123A/fr unknown
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