GB501870A - Improvements in method of constructing tunnels - Google Patents
Improvements in method of constructing tunnelsInfo
- Publication number
- GB501870A GB501870A GB9171/38A GB917138A GB501870A GB 501870 A GB501870 A GB 501870A GB 9171/38 A GB9171/38 A GB 9171/38A GB 917138 A GB917138 A GB 917138A GB 501870 A GB501870 A GB 501870A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clay
- tunnels
- tunnel
- trench
- tunnelling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000000463 material Substances 0.000 abstract 6
- 239000004927 clay Substances 0.000 abstract 4
- 239000011148 porous material Substances 0.000 abstract 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
501,870. Tunnelling. MASON & HANGER CO., Inc. March 25, 1938, No. 9171. Convention date, July 31, 1937. (Classes 68 (i) and 85; In tunnelling through porous material below water by the shield method, a trench is excavated in the material and filled with yielding and impermeable material through which the tunnel is advanced. In Fig. 4, the trench 5 is filled with material such as clay or silt and tunnels 7. 8, are driven wholly in such material ; depressions may be left in the material above the tunnel sites, displacement of the material during tunnelling levelling ,off the surface. In Fig. 6, the tunnels 7a, 8a are formed partly in the clay &c. filling 6a and partly in the porous material 3a and rock 4a ; the tunnels may be formed by shields with bulkheads depending from the top of the shield to about the level of the bottom of the trench 5a and adapted to displace the clay &c. on advancing. A clay blanket 10 may be laid over the tunnel sites. Both methods may be used at different parts along the same tunnel. ,
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US501870XA | 1937-07-31 | 1937-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB501870A true GB501870A (en) | 1939-03-07 |
Family
ID=21963836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9171/38A Expired GB501870A (en) | 1937-07-31 | 1938-03-25 | Improvements in method of constructing tunnels |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB501870A (en) |
-
1938
- 1938-03-25 GB GB9171/38A patent/GB501870A/en not_active Expired
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