BE556681A - - Google Patents
Info
- Publication number
- BE556681A BE556681A BE556681DA BE556681A BE 556681 A BE556681 A BE 556681A BE 556681D A BE556681D A BE 556681DA BE 556681 A BE556681 A BE 556681A
- Authority
- BE
- Belgium
- Prior art keywords
- wings
- beam according
- web
- mine
- core
- Prior art date
Links
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 241000283074 Equus asinus Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE556681A true BE556681A (enrdf_load_html_response) |
Family
ID=180378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE556681D BE556681A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE556681A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1265096B (de) * | 1965-07-17 | 1968-04-04 | Kloeckner Werke Ag | Kappe fuer den Grubenausbau |
-
0
- BE BE556681D patent/BE556681A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1265096B (de) * | 1965-07-17 | 1968-04-04 | Kloeckner Werke Ag | Kappe fuer den Grubenausbau |
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