DE3411638C2 - - Google Patents
Info
- Publication number
- DE3411638C2 DE3411638C2 DE19843411638 DE3411638A DE3411638C2 DE 3411638 C2 DE3411638 C2 DE 3411638C2 DE 19843411638 DE19843411638 DE 19843411638 DE 3411638 A DE3411638 A DE 3411638A DE 3411638 C2 DE3411638 C2 DE 3411638C2
- Authority
- DE
- Germany
- Prior art keywords
- longwall
- short
- lying
- cap
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010276 construction Methods 0.000 claims description 17
- 238000009415 formwork Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 241001669679 Eleotris Species 0.000 claims 1
- NFEIBWMZVIVJLQ-UHFFFAOYSA-N mexiletine hydrochloride Chemical compound [Cl-].CC([NH3+])COC1=C(C)C=CC=C1C NFEIBWMZVIVJLQ-UHFFFAOYSA-N 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 4
- 238000009416 shuttering Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
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)
- Moulds, Cores, Or Mandrels (AREA)
- Revetment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843411638 DE3411638A1 (de) | 1984-03-29 | 1984-03-29 | Strebrandausbau mit gleitschalwand fuer das einbringen eines damms am streb-streckensaum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843411638 DE3411638A1 (de) | 1984-03-29 | 1984-03-29 | Strebrandausbau mit gleitschalwand fuer das einbringen eines damms am streb-streckensaum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3411638A1 DE3411638A1 (de) | 1985-10-03 |
| DE3411638C2 true DE3411638C2 (US08088816-20120103-C00036.png) | 1988-09-01 |
Family
ID=6232000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843411638 Granted DE3411638A1 (de) | 1984-03-29 | 1984-03-29 | Strebrandausbau mit gleitschalwand fuer das einbringen eines damms am streb-streckensaum |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3411638A1 (US08088816-20120103-C00036.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533447B (zh) * | 2014-12-19 | 2016-08-24 | 郑州煤矿机械集团股份有限公司 | 采煤工作面沿空留巷支护方法 |
| CN111173561B (zh) * | 2020-03-04 | 2021-06-29 | 山东康格能源科技有限公司 | 一种具有采空区支护功能的膏体充填支架 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3024500A1 (de) * | 1980-06-28 | 1982-01-28 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Strebrandausbau |
-
1984
- 1984-03-29 DE DE19843411638 patent/DE3411638A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3411638A1 (de) | 1985-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: GEWERKSCHAFT EISENHUETTE WESTFALIA GMBH, 4670 LUEN |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: WESTFALIA BECORIT INDUSTRIETECHNIK GMBH, 4670 LUEN |
|
| 8339 | Ceased/non-payment of the annual fee |