BE455240A - - Google Patents
Info
- Publication number
- BE455240A BE455240A BE455240DA BE455240A BE 455240 A BE455240 A BE 455240A BE 455240D A BE455240D A BE 455240DA BE 455240 A BE455240 A BE 455240A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- transport
- backfill
- compression
- plane
- Prior art date
Links
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 239000003245 coal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000002441 reversible effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 238000003307 slaughter Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 238000013138 pruning Methods 0.000 description 2
- 206010026749 Mania Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455240A true BE455240A (de) |
Family
ID=109202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455240D BE455240A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE455240A (de) |
-
0
- BE BE455240D patent/BE455240A/fr unknown
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