BE559069A - - Google Patents
Info
- Publication number
- BE559069A BE559069A BE559069DA BE559069A BE 559069 A BE559069 A BE 559069A BE 559069D A BE559069D A BE 559069DA BE 559069 A BE559069 A BE 559069A
- Authority
- BE
- Belgium
- Prior art keywords
- backfill
- wall
- rails
- corridor
- frame
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 10
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 2
- 229910000639 Spring steel Inorganic materials 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 7
- 238000013138 pruning Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000003307 slaughter Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 210000003462 vein Anatomy 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
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
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)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE559069A true BE559069A (enrdf_load_stackoverflow) |
Family
ID=181908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE559069D BE559069A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE559069A (enrdf_load_stackoverflow) |
-
0
- BE BE559069D patent/BE559069A/fr unknown
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