BE507821A - - Google Patents
Info
- Publication number
- BE507821A BE507821A BE507821DA BE507821A BE 507821 A BE507821 A BE 507821A BE 507821D A BE507821D A BE 507821DA BE 507821 A BE507821 A BE 507821A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- knives
- mine
- layers
- support
- Prior art date
Links
- 239000011796 hollow space material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 239000002025 wood fiber Substances 0.000 claims description 2
- 239000012634 fragment Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003307 slaughter Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
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)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Laminated Bodies (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE507821A true BE507821A (cg-RX-API-DMAC7.html) |
Family
ID=147687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE507821D BE507821A (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE507821A (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1032199B (de) * | 1955-04-23 | 1958-06-19 | Rheinstahl Gmbh Wanheim | Streckenausbaurahmen unter Verwendung eines Quetschkoerpers |
-
0
- BE BE507821D patent/BE507821A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1032199B (de) * | 1955-04-23 | 1958-06-19 | Rheinstahl Gmbh Wanheim | Streckenausbaurahmen unter Verwendung eines Quetschkoerpers |
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