CN210657836U - Tunnel structure with single-hole bidirectional two lanes sharing emergency parking zone left and right - Google Patents
Tunnel structure with single-hole bidirectional two lanes sharing emergency parking zone left and right Download PDFInfo
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- CN210657836U CN210657836U CN201920420497.0U CN201920420497U CN210657836U CN 210657836 U CN210657836 U CN 210657836U CN 201920420497 U CN201920420497 U CN 201920420497U CN 210657836 U CN210657836 U CN 210657836U
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Abstract
The utility model provides a tunnel structure in sharing emergency parking area about two-way lanes in haplopore, include the driving road surface that extends along tunnel length direction, the driving road surface is separated for first lane and second lane through central median, in be provided with the confession on the central median the first lane with the emergent parking stall that the vehicle in second lane went into, emergent parking stall is followed the length direction of central median distributes, just the width of central median is not less than 3 m. The utility model provides a tunnel structure make full use of tunnel inner space in sharing emergency parking area about two-way lanes in haplopore sets up emergent parking stall at the median, can the effective control shield construct the diameter, reduces working well area, has reduced the engineering risk, has practiced thrift the engineering investment.
Description
Technical Field
The utility model relates to a tunnel construction field especially relates to a tunnel structure in sharing emergency stop area about two-way lanes in haplopore.
Background
In recent years, shield tunnels are increasingly widely used to solve urban traffic problems. For projects with low traffic volume, a bidirectional two-lane type can be adopted. According to the design code of urban road engineering (CJJ37-2012), road engineering needs to set up an emergency lane of not less than 3.0m or an emergency parking bay with a distance of not more than 500m and a width of not less than 3.0 m. Generally, two shield sections of a single-hole bidirectional shield and a double-hole unidirectional shield can be selected for bidirectional two-lane road engineering, but the prior art has the defects.
(1) Single-hole bidirectional shield tunnel. The right side of driving in the lane all needs to set up emergent lane or emergent parking bay, and according to the standard requirement, the shield constructs the external diameter and is about 18m, belongs to super large diameter shield structure, and the construction degree of difficulty is big, and engineering cost is high.
(2) After each hole of the double-hole one-way shield tunnel is provided with an emergency lane or an emergency parking bay, the outer diameter of the shield is about 8.5m, the occupied area of a working well is large, and the influence on the current conditions of the periphery is large.
Therefore, when an emergency lane or an emergency parking bay is added to the shield tunnel, the shield tunnel diameter increases, which increases the investment and the risk.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a tunnel structure in sharing emergency stop area about two-way lanes in haplopore, through make full use of tunnel inner space, rationally lay the position of emergent parking bay in the haplopore shield tunnel, reduce shield tunnel internal diameter and working well area.
The utility model discloses a realize like this:
the utility model provides a tunnel structure in sharing emergency parking area about two lanes in haplopore, include the driving road surface that extends along tunnel length direction, the driving road surface is separated for first lane and second lane through central median, in be provided with the confession on the central median the first lane with the emergent parking stall that the vehicle in second lane was driven into, emergent parking stall is followed the length direction of central median distributes, just the width of central median is not less than 3 m.
Preferably, a deceleration strip is arranged on the road surface of the central isolation strip corresponding to the emergency parking space.
Preferably, the emergency parking space includes a plurality of first emergency parking bays and a plurality of second emergency parking bays, the first emergency parking bays have an entrance and an exit provided toward the first lane, the second emergency parking bays have an entrance and an exit provided toward the second lane, and the first emergency parking bays and the second emergency parking bays are alternately provided in sequence in the longitudinal direction of the central isolation belt.
Preferably, adjacent first and second emergency parking bays are separated by a decorative beautification area.
Preferably, the tunnel is a shield structure.
Preferably, the first lane and the second lane are provided with anti-impact curbs on the sides far away from the central isolation belt, and the anti-impact curbs are arranged along the length direction of the tunnel.
Preferably, roadside ditches are arranged at the positions, close to the corresponding impact-resistant curbstones, of the first lane and the second lane, and the roadside ditches are arranged along the length direction of the tunnel.
The utility model discloses following beneficial effect has:
the utility model provides a tunnel structure make full use of tunnel inner space in sharing emergency parking area about two-way lanes in haplopore sets up emergent parking stall at the median, can the effective control shield construct the diameter, reduces working well area, has reduced the engineering risk, has practiced thrift the engineering investment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a cross-sectional view of a tunnel structure in which two lanes on a single-hole bidirectional lane share an emergency stop zone on the left and right sides, according to an embodiment of the present invention;
fig. 2 is a schematic view of a deceleration strip arranged on an emergency parking space provided by the embodiment of the present invention;
fig. 3 is a schematic distribution diagram of a first emergency parking bay and a second emergency parking bay according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a decoration and beautification area provided between a first emergency parking bay and a second emergency parking bay according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, the embodiment of the utility model provides a tunnel structure in sharing emergency parking area about two-way lanes in haplopore, include the driving road surface that extends along tunnel length direction, the driving road surface is separated for first lane 2 and second lane 3 through central median 1, in be provided with the confession on the central median 2 first lane with the emergency parking stall that the vehicle in second lane 3 drove into, emergency parking stall is followed the length direction of central median 1 distributes, just the width of central median 1 is not less than 3 m. The utility model provides a tunnel structure make full use of tunnel inner space in sharing urgent parking area about two-way lanes in haplopore sets up emergent parking stall at the median, but the effective control shield constructs the diameter, reduces working well area, has reduced the engineering risk, has practiced thrift the engineering investment.
Preferably, a deceleration strip 4 is arranged on the road surface of the central isolation strip 1 corresponding to the emergency parking space to remind a driver of decelerating and parking.
Preferably, the emergency parking space comprises a plurality of first emergency parking harbours 5 and a plurality of second emergency parking harbours 6, the first emergency parking harbours 5 are provided with an entrance and an exit which are arranged towards the first lane 2, the second emergency parking harbours 6 are provided with an entrance and an exit which are arranged towards the second lane 3, the first emergency parking harbours 5 and the second emergency parking harbours 6 are sequentially and alternately arranged along the length direction of the central isolation belt 1, and an isolation belt 10 is arranged between the first emergency parking harbours 5 and the second emergency parking harbours 6, so that the first emergency parking harbours 5 and the second emergency parking harbours 6 cannot be mutually influenced.
Preferably, the adjacent first emergency parking harbour 5 and the second emergency parking harbour 6 are separated by a decorative beautified area 7, so that the first emergency parking harbour 5 and the second emergency parking harbour 6 can be separated and have an aesthetic effect.
Preferably, the tunnel is a shield structure, shield segments 11 are arranged on the inner wall of the tunnel, and two side box culverts 8 and a middle box culvert 9 are arranged below the driving road surface. The utility model provides a tunnel structure in sharing emergency stop area about two-way lanes in haplopore is applicable to the shield method tunnel in two-way lane in haplopore, also is applicable to the mining method tunnel of the same type.
Preferably, the first lane 2 and the second lane 3 are provided with anti-impact curbstones 12 on the sides far away from the central isolation belt 1, so as to protect the tunnel, and the anti-impact curbstones 12 are arranged along the length direction of the tunnel.
Preferably, roadside ditches 13 are respectively arranged at the positions, close to the corresponding impact-resistant curbstones, of the first lane 2 and the second lane 3 and used for draining water accumulated on the road surface, and the roadside ditches 13 are arranged along the length direction of the tunnel.
The utility model discloses set up the two-way lane tunnel in single hole of emergent parking bay, building boundary limit 14 width is 11.25 m. The section arrangement type can effectively control the diameter of the shield, reduce the occupied area of a working well, reduce engineering risks and save engineering investment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a tunnel structure of sharing emergency stop area about two lanes of haplopore, includes the driving road surface that extends along tunnel length direction, its characterized in that: the driving road surface passes through central median to be separated for first lane and second lane, in be provided with the confession on the central median first lane with the emergent parking stall that the vehicle in second lane was gone into, emergent parking stall is followed the length direction of central median distributes, just the width of central median is not less than 3m, emergent parking stall includes a plurality of first emergency parking bay and a plurality of second emergency parking bay, first emergency parking bay has the orientation the access & exit that first lane set up, second emergency parking bay has the orientation the access & exit that the second lane set up, and follow the length direction of central median first emergency parking bay with second emergency parking bay sets up in proper order in turn.
2. The tunnel structure of claim 1 for a single-hole bidirectional two-lane left-right shared emergency stop belt, wherein: and the central isolation belt is provided with a deceleration strip corresponding to the road surface at the emergency parking space.
3. The tunnel structure of claim 1 for a single-hole bidirectional two-lane left-right shared emergency stop belt, wherein: the adjacent first emergency parking harbour and the second emergency parking harbour are separated by a decoration and beautification area.
4. The tunnel structure of claim 1 for a single-hole bidirectional two-lane left-right shared emergency stop belt, wherein: the tunnel is a shield structure.
5. The tunnel structure of claim 1 for a single-hole bidirectional two-lane left-right shared emergency stop belt, wherein: one side that central median was kept away from in first lane and second lane all is equipped with the protecting against shock kerbstone, the protecting against shock kerbstone arranges along the length direction in tunnel.
6. The single-hole bidirectional two-lane left-right emergency stop belt shared tunnel structure according to claim 5, wherein: roadside ditches are all formed in the positions, close to the corresponding impact-resistant curbstones, of the first lane and the second lane, and the roadside ditches are arranged along the length direction of the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420497.0U CN210657836U (en) | 2019-03-29 | 2019-03-29 | Tunnel structure with single-hole bidirectional two lanes sharing emergency parking zone left and right |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420497.0U CN210657836U (en) | 2019-03-29 | 2019-03-29 | Tunnel structure with single-hole bidirectional two lanes sharing emergency parking zone left and right |
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| CN210657836U true CN210657836U (en) | 2020-06-02 |
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| CN201920420497.0U Active CN210657836U (en) | 2019-03-29 | 2019-03-29 | Tunnel structure with single-hole bidirectional two lanes sharing emergency parking zone left and right |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921725A (en) * | 2021-01-25 | 2021-06-08 | 江苏大学 | Emergency lane for expressway non-stop reconstruction and extension project and illegal driving alarming method |
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2019
- 2019-03-29 CN CN201920420497.0U patent/CN210657836U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921725A (en) * | 2021-01-25 | 2021-06-08 | 江苏大学 | Emergency lane for expressway non-stop reconstruction and extension project and illegal driving alarming method |
| CN112921725B (en) * | 2021-01-25 | 2022-07-22 | 江苏大学 | Emergency lane for expressway non-stop reconstruction and extension project and illegal driving-in alarming method |
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