BE557090A - - Google Patents
Info
- Publication number
- BE557090A BE557090A BE557090DA BE557090A BE 557090 A BE557090 A BE 557090A BE 557090D A BE557090D A BE 557090DA BE 557090 A BE557090 A BE 557090A
- Authority
- BE
- Belgium
- Prior art keywords
- crushing
- support
- wood
- elements
- pieces
- Prior art date
Links
- 239000002023 wood Substances 0.000 claims description 22
- 238000007665 sagging Methods 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 235000008582 Pinus sylvestris Nutrition 0.000 description 2
- 241000218626 Pinus sylvestris Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 235000014081 Abies amabilis Nutrition 0.000 description 1
- 101100007554 Caenorhabditis elegans cpg-1 gene Proteins 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- 240000001416 Pseudotsuga menziesii Species 0.000 description 1
- 235000008572 Pseudotsuga menziesii Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000010959 steel 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)
- Vibration Prevention Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE557090A true BE557090A (https=) |
Family
ID=180635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE557090D BE557090A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE557090A (https=) |
-
0
- BE BE557090D patent/BE557090A/fr unknown
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