PL74475B2 - - Google Patents
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- Publication number
- PL74475B2 PL74475B2 PL15247571A PL15247571A PL74475B2 PL 74475 B2 PL74475 B2 PL 74475B2 PL 15247571 A PL15247571 A PL 15247571A PL 15247571 A PL15247571 A PL 15247571A PL 74475 B2 PL74475 B2 PL 74475B2
- Authority
- PL
- Poland
- Prior art keywords
- shooting
- wall
- roof
- filling
- long holes
- Prior art date
Links
- 239000011435 rock Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 238000009412 basement excavation Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 1
- 239000011800 void material Substances 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010061216 Infarction Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007574 infarction Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15247571A PL74475B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-24 | 1971-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15247571A PL74475B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-24 | 1971-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL74475B2 true PL74475B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-10-31 |
Family
ID=19956809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15247571A PL74475B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-12-24 | 1971-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL74475B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1971
- 1971-12-24 PL PL15247571A patent/PL74475B2/pl unknown
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