BE549015A - - Google Patents
Info
- Publication number
- BE549015A BE549015A BE549015DA BE549015A BE 549015 A BE549015 A BE 549015A BE 549015D A BE549015D A BE 549015DA BE 549015 A BE549015 A BE 549015A
- Authority
- BE
- Belgium
- Prior art keywords
- segments
- support frame
- frame according
- segment
- arms
- Prior art date
Links
- 239000011324 bead Substances 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003466 welding Methods 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
- E21D11/20—Special cross- sections, e.g. corrugated
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)
- Lining And Supports For Tunnels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE549015A true BE549015A (enrdf_load_stackoverflow) |
Family
ID=175402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE549015D BE549015A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE549015A (enrdf_load_stackoverflow) |
-
0
- BE BE549015D patent/BE549015A/fr unknown
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