BE489713A - - Google Patents
Info
- Publication number
- BE489713A BE489713A BE489713DA BE489713A BE 489713 A BE489713 A BE 489713A BE 489713D A BE489713D A BE 489713DA BE 489713 A BE489713 A BE 489713A
- Authority
- BE
- Belgium
- Prior art keywords
- wings
- profile
- profiles
- profile according
- webs
- Prior art date
Links
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 11
- 206010048232 Yawning Diseases 0.000 description 6
- 241001282135 Poromitra oscitans Species 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 235000000396 iron Nutrition 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005303 weighing 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)
- Joining Of Building Structures In Genera (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE489713A true BE489713A (ru) |
Family
ID=134591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE489713D BE489713A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE489713A (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966862C (de) * | 1951-10-10 | 1957-09-12 | Bochumer Eisen Heintzmann | Satz von mit Flanschen versehenen Grubenausbauprofilen |
-
0
- BE BE489713D patent/BE489713A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966862C (de) * | 1951-10-10 | 1957-09-12 | Bochumer Eisen Heintzmann | Satz von mit Flanschen versehenen Grubenausbauprofilen |
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