BE346112A - - Google Patents
Info
- Publication number
- BE346112A BE346112A BE346112DA BE346112A BE 346112 A BE346112 A BE 346112A BE 346112D A BE346112D A BE 346112DA BE 346112 A BE346112 A BE 346112A
- Authority
- BE
- Belgium
- Prior art keywords
- pipes
- concrete
- backfill
- iron
- mines
- Prior art date
Links
- 239000004567 concrete Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 239000010438 granite Substances 0.000 claims 1
- 239000002893 slag Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 229910052742 iron Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening 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
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
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)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE346112A true BE346112A (en:Method) |
Family
ID=22025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE346112D BE346112A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE346112A (en:Method) |
-
0
- BE BE346112D patent/BE346112A/fr unknown
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