CN220746698U - Tunnel inclined shaft anticollision mound - Google Patents
Tunnel inclined shaft anticollision mound Download PDFInfo
- Publication number
- CN220746698U CN220746698U CN202321984367.2U CN202321984367U CN220746698U CN 220746698 U CN220746698 U CN 220746698U CN 202321984367 U CN202321984367 U CN 202321984367U CN 220746698 U CN220746698 U CN 220746698U
- Authority
- CN
- China
- Prior art keywords
- retaining wall
- inclined shaft
- tunnel
- concrete
- gentle slope
- 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.)
- Active
Links
- 239000004576 sand Substances 0.000 claims abstract description 15
- 239000004575 stone Substances 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 9
- 230000004888 barrier function Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses an anti-collision pier for a tunnel inclined shaft, which is characterized in that the tunnel inclined shaft is a double-lane inclined shaft, the comprehensive gradient of the tunnel inclined shaft is 8-12%, a gentle slope section with the length of 20-30 m is arranged at the position of the inclined shaft at intervals of 220-270 m, the gradient of the gentle slope section is 0.2-0.5%, and an anti-collision pier is arranged on a tunnel entering lane of each gentle slope section; the anti-collision pier comprises broken stone filling, a tire retaining wall and a sand bag retaining wall, and a concrete barrier is arranged at a position, which is 1 m-1.5 m away from the central line of the inclined shaft, of a tunnel entering lane of the gentle slope section along the tunnel direction; the tail end of the gentle slope section is provided with a concrete retaining wall; the concrete retaining wall and the concrete partition are connected into an L shape to fill and enclose broken stone in the gentle slope section; at least two layers of sand bag retaining walls are piled up in front of and behind the front surface of the concrete retaining wall, and a layer of tyre retaining wall is piled up in front of the sand bag retaining wall. Through setting up crashproof mound at inclined shaft gentle slope section, can play the cushioning effect when bumping, absorb and reduce the collision impact force, reduce the damage degree of collision danger or the transport vechicle after the reduction collision, guarantee personnel's safety.
Description
Technical Field
The utility model relates to the field of tunnel excavation construction, in particular to an anti-collision pier for a tunnel inclined shaft.
Background
In tunnel construction, when the upper side of the tunnel is relatively close to the ground and the geological condition is good and the ground has enough sites, an inclined tunnel connected with the tunnel can be excavated from the ground, which is called an inclined shaft. The junction of the inclined shaft and the positive hole can make the added working surface fully play a role, and the inclined shaft and the positive hole are mainly used as a conveying channel for slag discharging and feeding in construction and can also play a role of ventilation. Inclined shafts are often long slopes, and serious personnel safety accidents can be caused in holes if conditions such as braking failure are encountered during transportation of trucks.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide the tunnel inclined shaft anti-collision pier which can prevent collision and play a role in buffering when collision occurs, reduce the collision risk or reduce the damage degree of a transport vehicle after collision and ensure personnel safety.
In order to solve the technical problems, the utility model adopts the following technical scheme: the tunnel inclined shaft anti-collision pier is a double-lane inclined shaft, the comprehensive gradient of the tunnel inclined shaft is 8% -12%, a gentle slope section with the length of 20 m-30 m is arranged at the position of the inclined shaft at intervals of 220 m-270 m, the gradient of the gentle slope section is 0.2% -0.5%, and an anti-collision pier is arranged on each tunnel entering lane of the gentle slope section; the anti-collision pier comprises broken stone filling, a tire retaining wall and a sand bag retaining wall, wherein a concrete barrier is arranged at a position, which is 1 m-1.5 m away from the central line of the inclined shaft, of the tunnel entering lane of the gentle slope section along the tunnel direction, and the height of the concrete barrier is 25-35 cm; the tail end of the gentle slope section is provided with a concrete retaining wall, the height of the concrete retaining wall is 1.5 m-1.7 m, and the thickness of the concrete retaining wall is 0.8 m-1.2 m; the concrete retaining wall and the concrete partition are connected into an L shape to fill and enclose broken stone in the gentle slope section; at least two layers of sand bag retaining walls are piled up in front of and behind the front surface of the concrete retaining wall, and a layer of tire retaining wall is piled up in front of the sand bag retaining wall.
Preferably, the cross section of the concrete partition is set to be square with the side length of 30cm.
Preferably, the broken stone filling adopts broken stone with the thickness of 12mm to be paved, and the paving thickness is 30cm.
Preferably, the height of the tire retaining wall and the height of the sand bag retaining wall are consistent with the height of the concrete retaining wall.
Preferably, the height of the concrete retaining wall is 1.6m and the thickness is 1m.
Preferably, the concrete spacer is 1.3m from the middle line of the inclined shaft.
The utility model has the beneficial effects that: through setting up crashproof mound at inclined shaft gentle slope section, can play the cushioning effect when bumping, absorb and reduce the collision impact force, reduce the damage degree of collision danger or the transport vechicle after the reduction collision, guarantee personnel's safety.
Drawings
FIG. 1 is a top view of the present utility model;
FIG. 2 is a front view of the present utility model;
in the figure: 1-concrete partition, 2-broken stone filling and 3-tire retaining wall; 4-sand bag retaining wall, 5-concrete retaining wall.
Detailed Description
For a better understanding of the improvements of the present utility model with respect to the prior art, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.
As shown in figures 1-2, the tunnel inclined shaft anti-collision pier is a double-lane inclined shaft, the comprehensive gradient of the tunnel inclined shaft is 8-12%, a gentle slope section with the length of 20-30 m is arranged at the position of the inclined shaft at intervals of 220-270 m, the gradient of the gentle slope section is 0.2-0.5%, and the anti-collision pier is arranged on each entrance lane of the gentle slope section.
The crashproof mound mainly comprises rubble filling 2, tire barricade 3 and sand bag barricade 4. The position of the gentle slope section tunnel entering lane, which is 1 m-1.5 m away from the central line of the inclined shaft, is provided with a concrete barrier 1 along the tunnel direction, and the height of the concrete barrier 1 is 25-35 cm, so that a truck with braking failure can be driven in.
The end of the gentle slope section is provided with a concrete retaining wall 5, the height of the concrete retaining wall 5 is 1.5 m-1.7 m, and the thickness of the concrete retaining wall 5 is 0.8 m-1.2 m, so that the concrete retaining wall 5 has enough strength to absorb the impact force of collision. The concrete retaining wall 5 and the concrete partition 1 are connected into an L shape to surround the broken stone filling 2 in the gentle slope section. At least two layers of sand bag retaining walls 4 are piled up in front of and behind the front surface of the concrete retaining wall 5, and a layer of tire retaining wall 3 is piled up in front of the sand bag retaining wall 4, so that the vehicle with the braking failure is forced to stop and the damage degree of the transport vehicle after collision is reduced.
Preferably, the cross section of the concrete spacer 1 is set to be square with a side length of 30cm.
Preferably, the gravel pack 2 is constructed from 12mm gravel with a thickness of 30cm, and is capable of decelerating a braked malfunctioning truck.
Preferably, the tire retaining wall 3 and the sandbag retaining wall 4 are identical in height to the concrete retaining wall 5.
Preferably, the concrete retaining wall 5 has a height of 1.6m and a thickness of 1m.
Preferably, the concrete spacer 1 is 1.3m from the mid-line of the inclined shaft.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a tunnel inclined shaft anticollision mound, tunnel inclined shaft is double-lane inclined shaft, its characterized in that: the comprehensive gradient of the inclined shaft of the tunnel is 8-12%, a gentle slope section with the length of 20-30 m is arranged at the position of the inclined shaft at intervals of 220-270 m, the gradient of the gentle slope section is 0.2-0.5%, and each gentle slope section is provided with an anti-collision pier on a tunnel entering lane; the anti-collision pier comprises a broken stone filling part (2), a tire retaining wall (3) and a sand bag retaining wall (4), wherein a concrete partition (1) is arranged at a position, which is 1 m-1.5 m away from the center line of the inclined shaft, of a tunnel entering lane of the gentle slope section, and the height of the concrete partition (1) is 25-35 cm; the tail end of the gentle slope section is provided with a concrete retaining wall (5), the height of the concrete retaining wall (5) is 1.5-1.7 m, and the thickness of the concrete retaining wall is 0.8-1.2 m; the concrete retaining wall (5) and the concrete partition (1) are connected into an L shape to surround the broken stone filling (2) in the gentle slope section; at least two layers of sand bag retaining walls (4) are piled up in front of and behind the front surface of the concrete retaining wall (5), and a layer of tire retaining wall (3) is piled up in front of the sand bag retaining wall (4).
2. The tunnel inclined shaft anti-collision pier according to claim 1, wherein: the cross section of the concrete partition (1) is square with the side length of 30cm.
3. A tunnel inclined shaft anti-collision pier according to claim 2, characterized in that: the broken stone filling (2) is paved by broken stone with the thickness of 12mm, and the paving thickness is 30cm.
4. The tunnel inclined shaft anti-collision pier according to claim 1, wherein: the height of the tire retaining wall (3) and the height of the sand bag retaining wall (4) are consistent with the height of the concrete retaining wall (5).
5. The tunnel inclined shaft anti-collision pier according to claim 1, wherein: the height of the concrete retaining wall (5) is 1.6m, and the thickness of the concrete retaining wall is 1m.
6. The tunnel inclined shaft anti-collision pier according to claim 1, wherein: the concrete baffle (1) is 1.3m away from the central line of the inclined shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321984367.2U CN220746698U (en) | 2023-07-25 | 2023-07-25 | Tunnel inclined shaft anticollision mound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321984367.2U CN220746698U (en) | 2023-07-25 | 2023-07-25 | Tunnel inclined shaft anticollision mound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220746698U true CN220746698U (en) | 2024-04-09 |
Family
ID=90549190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321984367.2U Active CN220746698U (en) | 2023-07-25 | 2023-07-25 | Tunnel inclined shaft anticollision mound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220746698U (en) |
-
2023
- 2023-07-25 CN CN202321984367.2U patent/CN220746698U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015306060B2 (en) | Edge protection safety bund system | |
| CN220746698U (en) | Tunnel inclined shaft anticollision mound | |
| CN209760022U (en) | Highway bridge rail guard | |
| CN108411724B (en) | Buffer channel for municipal administration | |
| CN108049421A (en) | A kind of H type pile plate wall for reinforcing unstable slope | |
| CN202672070U (en) | Novel narrow body reinforced concrete guardrail | |
| CN211897648U (en) | Risk-avoiding lane arranged on long downhill road section | |
| CN208830219U (en) | Emergency lane passive protection auxiliary system | |
| CN106381877A (en) | Method for transferring dangerous rock body cut stone on high and steep slope and structure of method | |
| EP3569766A1 (en) | Road crash barrier device | |
| CN201546228U (en) | Protective device of inclined trestle | |
| CN211773122U (en) | Danger-avoiding protection structure for tunnel | |
| CN110924410A (en) | Novel shed tunnel capable of resisting landslide and construction method | |
| CN212506019U (en) | Combined anti-collision wall | |
| CN206418508U (en) | Dangerous Rock Body cuts the structure of quadrel transhipment on a kind of high escarpment | |
| CN215829168U (en) | Barricade type roadbed device for controlling settlement of adjacent existing lines | |
| CN212772009U (en) | Anchor-pull type dangerous rock falling stone protection structure | |
| US20240093444A1 (en) | Vehicle barrier system and method of construction thereof | |
| CN219671174U (en) | Light soil roadbed guardrail structure | |
| CN211735058U (en) | Concrete anti-collision guardrail with steel pipe pile foundation | |
| CN210049903U (en) | Open cut tunnel structure suitable for outside under wide topography | |
| CN219157501U (en) | Road traffic island safety protection structure | |
| CN216194328U (en) | Pier protection structure | |
| CN213116342U (en) | Small-section round lining tunnel material transport vehicle | |
| CN212550357U (en) | Earth and stone screening vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |