BE505935A - - Google Patents
Info
- Publication number
- BE505935A BE505935A BE505935DA BE505935A BE 505935 A BE505935 A BE 505935A BE 505935D A BE505935D A BE 505935DA BE 505935 A BE505935 A BE 505935A
- Authority
- BE
- Belgium
- Prior art keywords
- support
- polygon
- sections
- profiles
- polygonal
- Prior art date
Links
- 230000002787 reinforcement Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003307 slaughter 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
- E21D11/24—Knuckle joints or links between arch members
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)
- Mutual Connection Of Rods And Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE505935A true BE505935A (zh) |
Family
ID=146338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505935D BE505935A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE505935A (zh) |
-
0
- BE BE505935D patent/BE505935A/fr unknown
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