BE408339A - - Google Patents
Info
- Publication number
- BE408339A BE408339A BE408339DA BE408339A BE 408339 A BE408339 A BE 408339A BE 408339D A BE408339D A BE 408339DA BE 408339 A BE408339 A BE 408339A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- cap
- mine
- gussets
- support
- Prior art date
Links
- 238000003466 welding Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 239000002023 wood Substances 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
- E21D11/34—Joints between vertical props and horizontal top bars
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 |
|---|---|
| BE408339A true BE408339A (pm) |
Family
ID=72928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE408339D BE408339A (pm) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE408339A (pm) |
-
0
- BE BE408339D patent/BE408339A/fr unknown
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