BG105366A - Tunnel facing for the reconstruction of transport tunnels - Google Patents
Tunnel facing for the reconstruction of transport tunnelsInfo
- Publication number
- BG105366A BG105366A BG05366A BG10536601A BG105366A BG 105366 A BG105366 A BG 105366A BG 05366 A BG05366 A BG 05366A BG 10536601 A BG10536601 A BG 10536601A BG 105366 A BG105366 A BG 105366A
- Authority
- BG
- Bulgaria
- Prior art keywords
- facing
- tubings
- longitudinal
- bolt connections
- piedroits
- Prior art date
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The facing is used in repair works of old railway tunnels, in their electricity supply or in case where their overall dimensions fail to meet with the present-day requirements, or when reinforcement of the existing facing is required, in case it is disturbed or there are inadmissible deformations thereof. The facing is carried out in windows, without terminating the running of the trains, it ensures any vibrations produced by the running trains and can be built at any time of the year with high productivity. In includes an upper vault (1) and piedroits (2) made in an earth massif (3). The vault (1) is made of arcs (6), executed, arranged one next to each other along the length of the tunnel made of tubings (8) interconnected by bolt connections (7), anchored to the earth massif (3) . Each arc (6) is connected by bolt connection to its adjacent one and lies on longitudinal reinforced concrete beams (4) which are also anchored into the earth massif (3). It is also possible that the piedroits (2) should be made of tubings (8), arranged one next to the other and interconnected by bolt connections (7), in the form of a cast product of a slab having a cylindrical surface and arc-like longitudinal and lateral edges and holes for bolt connections, fitted in the edges, the outside surfaces of which is covered by elastomer. In the slab with cylindrical surface there is at least one hole. The tubings (8) have at least one longitudinal diaphragm and a middle lateral rub. 9 claims, 22 figures
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BG105366A BG64345B1 (en) | 2001-03-05 | 2001-03-20 | Tunnel facing for the reconstruction of transport tunnels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BG10530601 | 2001-03-05 | ||
BG105366A BG64345B1 (en) | 2001-03-05 | 2001-03-20 | Tunnel facing for the reconstruction of transport tunnels |
Publications (2)
Publication Number | Publication Date |
---|---|
BG105366A true BG105366A (en) | 2002-09-30 |
BG64345B1 BG64345B1 (en) | 2004-10-29 |
Family
ID=34137120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG105366A BG64345B1 (en) | 2001-03-05 | 2001-03-20 | Tunnel facing for the reconstruction of transport tunnels |
Country Status (1)
Country | Link |
---|---|
BG (1) | BG64345B1 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BG29374A1 (en) * | 1979-01-25 | 1980-11-14 | Canev | Method for reconstruction of rail way tunnels |
-
2001
- 2001-03-20 BG BG105366A patent/BG64345B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
BG64345B1 (en) | 2004-10-29 |
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