BE646842A - - Google Patents
Info
- Publication number
- BE646842A BE646842A BE646842DA BE646842A BE 646842 A BE646842 A BE 646842A BE 646842D A BE646842D A BE 646842DA BE 646842 A BE646842 A BE 646842A
- Authority
- BE
- Belgium
- Prior art keywords
- segments
- shape
- sleeve
- construction
- desc
- Prior art date
Links
- 238000010276 construction Methods 0.000 claims description 9
- 238000005065 mining Methods 0.000 claims description 3
- 241001649081 Dina Species 0.000 description 1
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 1
- 101150102678 clu1 gene Proteins 0.000 description 1
- 230000003370 grooming effect Effects 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
- 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
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE646842A true BE646842A (cs) |
Family
ID=205488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE646842D BE646842A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE646842A (cs) |
-
0
- BE BE646842D patent/BE646842A/fr unknown
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