PL72530B2 - - Google Patents
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- Publication number
- PL72530B2 PL72530B2 PL15583272A PL15583272A PL72530B2 PL 72530 B2 PL72530 B2 PL 72530B2 PL 15583272 A PL15583272 A PL 15583272A PL 15583272 A PL15583272 A PL 15583272A PL 72530 B2 PL72530 B2 PL 72530B2
- Authority
- PL
- Poland
- Prior art keywords
- deck
- collapse
- exploitation
- rock mass
- walls
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 20
- 239000011435 rock Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 2
- 230000002262 irrigation Effects 0.000 claims description 2
- 238000003973 irrigation Methods 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000005336 cracking Methods 0.000 claims 1
- 238000005065 mining Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15583272A PL72530B2 (cs) | 1972-06-06 | 1972-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15583272A PL72530B2 (cs) | 1972-06-06 | 1972-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL72530B2 true PL72530B2 (cs) | 1974-08-31 |
Family
ID=19958835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15583272A PL72530B2 (cs) | 1972-06-06 | 1972-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL72530B2 (cs) |
-
1972
- 1972-06-06 PL PL15583272A patent/PL72530B2/pl unknown
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