BE421716A - - Google Patents
Info
- Publication number
- BE421716A BE421716A BE421716DA BE421716A BE 421716 A BE421716 A BE 421716A BE 421716D A BE421716D A BE 421716DA BE 421716 A BE421716 A BE 421716A
- Authority
- BE
- Belgium
- Prior art keywords
- profiles
- webs
- similar
- gutters
- base
- Prior art date
Links
- 235000000396 iron Nutrition 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003068 static effect 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
- E21D11/20—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)
- Mutual Connection Of Rods And Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE421716A true BE421716A (enEXAMPLES) |
Family
ID=83522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE421716D BE421716A (enEXAMPLES) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE421716A (enEXAMPLES) |
-
0
- BE BE421716D patent/BE421716A/fr unknown
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