BE377081A - - Google Patents
Info
- Publication number
- BE377081A BE377081A BE377081DA BE377081A BE 377081 A BE377081 A BE 377081A BE 377081D A BE377081D A BE 377081DA BE 377081 A BE377081 A BE 377081A
- Authority
- BE
- Belgium
- Prior art keywords
- segments
- wings
- segment
- over
- flexible
- Prior art date
Links
- 235000000396 iron Nutrition 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 3
- 241000124033 Salix Species 0.000 claims 1
- 239000002023 wood Substances 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material 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
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
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)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377081A true BE377081A (zh) |
Family
ID=47410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377081D BE377081A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE377081A (zh) |
-
0
- BE BE377081D patent/BE377081A/fr unknown
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