BE490120A - - Google Patents
Info
- Publication number
- BE490120A BE490120A BE490120DA BE490120A BE 490120 A BE490120 A BE 490120A BE 490120D A BE490120D A BE 490120DA BE 490120 A BE490120 A BE 490120A
- Authority
- BE
- Belgium
- Prior art keywords
- profile
- webs
- wings
- segments
- sides
- Prior art date
Links
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)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490120A true BE490120A (h) |
Family
ID=134903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490120D BE490120A (h) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE490120A (h) |
-
0
- BE BE490120D patent/BE490120A/fr unknown
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