BE505646A - - Google Patents
Info
- Publication number
- BE505646A BE505646A BE505646DA BE505646A BE 505646 A BE505646 A BE 505646A BE 505646D A BE505646D A BE 505646DA BE 505646 A BE505646 A BE 505646A
- Authority
- BE
- Belgium
- Prior art keywords
- profiles
- wings
- profile
- webs
- main patent
- Prior art date
Links
- 238000010276 construction Methods 0.000 description 4
- 241001282135 Poromitra oscitans Species 0.000 description 2
- 206010048232 Yawning Diseases 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005096 rolling 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
- E21D11/20—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)
- Piles And Underground Anchors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE505646A true BE505646A (enEXAMPLES) |
Family
ID=146128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505646D BE505646A (enEXAMPLES) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE505646A (enEXAMPLES) |
-
0
- BE BE505646D patent/BE505646A/fr unknown
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