CN218373066U

CN218373066U - Special lane structure of ground storehouse in urban tunnel

Info

Publication number: CN218373066U
Application number: CN202222192253.6U
Authority: CN
Inventors: 高秀芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-01-24
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a special lane structure of basement in urban tunnel, including the tunnel lining structure, be equipped with two-way thread lane and special lane of basement in the tunnel lining structure, be equipped with the partition wall in the middle of the tunnel lining structure to divide two-way thread lane into left side thread lane and right side thread lane; the special lane for the ground depot is respectively arranged on the left side of the left main line lane and the right side of the right main line lane. The utility model discloses set up the special lane in ground storehouse, can guarantee that the thread passes through the traffic fast current of going in and out the vehicle in parcel garage interweaves, has improved the security of traffic.

Description

Special lane structure of ground storehouse in urban tunnel

Technical Field

The utility model relates to a tunnel engineering construction technical field, the special way structure of ground storehouse in the concretely relates to urban tunnel.

Background

With the continuous development of tunnel engineering technology, urban tunnels are applied more and more; especially, in urban tunnels arranged near large-scale business supermarkets and gymnasiums, the entrance of the ground garage is usually positioned in the tunnel, so that vehicles of a road trunk line are interwoven with vehicles entering and exiting the ground garage, traffic jam is easily caused, even traffic accidents are caused, and the driving safety of the vehicles of the trunk line and the vehicles entering and exiting the ground garage is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a ground storehouse special use says structure in reasonable in design's urban tunnel.

The technical scheme of the utility model as follows:

the special tunnel structure for the ground depot in the urban tunnel comprises a tunnel lining structure, wherein a bidirectional mainline lane and a special lane for the ground depot are arranged in the tunnel lining structure, a partition wall is arranged in the middle of the tunnel lining structure, and the bidirectional mainline lane is divided into a left main line lane and a right main line lane; the special lane for the ground depot is respectively arranged on the left side of the left main line lane and the right side of the right main line lane.

Further, the longitudinal slope gradient of the bidirectional main line lane is smaller than that of the special-purpose-for-ground-garage lane, so that a height difference is formed between the special-purpose-for-ground-garage lane and the bidirectional main line lane.

Furthermore, the special lane for the ground garage is sequentially provided with a ground garage inlet and a ground garage outlet along the advancing direction of the vehicle.

Furthermore, the road structure of the special lane for the ground depot is provided with three layers, including a plain concrete filling layer, a concrete pavement layer and an asphalt concrete pavement; the plain concrete filling layer is arranged on the bottom surface of the tunnel lining structure, the concrete pavement layer is arranged on the plain concrete filling layer, and the asphalt concrete pavement is arranged on the concrete pavement layer.

Furthermore, the road structure of the bidirectional mainline lane is provided with two layers, and the two layers comprise a concrete pavement layer and an asphalt concrete pavement, wherein the concrete pavement layer is arranged on the bottom surface of the tunnel lining structure, and the asphalt concrete pavement is arranged on the concrete pavement layer.

Furthermore, the gradient of the longitudinal slope of the bidirectional main line lane is 3-5%, and the gradient of the longitudinal slope of the special lane for the underground garage is 4-6%.

Furthermore, the bidirectional main line lane and the special lane for the ground depot are provided with hard isolation, and the special lane for the ground depot is provided with mobile isolation in the range of an inlet and an outlet of the ground depot.

Furthermore, the tunnel lining structure wall in the range of 15-30m in front of the ground storehouse inlet and the ground storehouse outlet is in the form of a stand column.

Furthermore, drainage ditches are respectively arranged on one sides of the road surfaces of the left-going main line lane, the right-going main line lane and the special lane for the ground reservoir.

The utility model has the advantages as follows:

1) The special lane for the ground depot is thoroughly separated from the main lane by the design of the main lane and the special lane for the ground depot according to different longitudinal slopes.

2) The tunnel structure wall in the range of 30m in front of the gateway of the ground depot adopts a column form, so that the permeability between the ramp of the ground depot and the special lane of the ground depot is increased, and the safety of underground traffic is improved.

3) The special lane for the ground garage is arranged, so that the fast traffic of the main line through traffic can be ensured, the vehicle interweaving in and out of the ground garage is reduced, and the traffic safety is improved.

Drawings

FIG. 1 is a cross-sectional view of a tunnel according to the present invention;

FIG. 2 is a cross-sectional view of a U-shaped groove section of the present invention;

fig. 3 is a top view of the inside of the tunnel of the present invention;

FIG. 4 is a schematic view of the structure of the upright post of the present invention;

in the figure: 1. a tunnel lining structure; 2. a basement-specific lane; 3. a left-hand main line lane; 4. a right-hand main line lane; 5. a ground warehouse inlet; 6. a partition wall; 7. a drainage ditch; 8. a plain concrete filling layer; 9. a concrete pavement layer; 10. asphalt concrete pavement; 11. and (6) a ground warehouse outlet.

Detailed Description

The invention is further described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the structure of the dedicated tunnel for the basement in the urban tunnel includes a tunnel lining structure 1, a dedicated lane 2 for the basement, a left main line lane 3, a right main line lane 4, a basement inlet 5, a partition wall 6, a drainage ditch 7, a plain concrete filling layer 8, a concrete pavement layer 9, an asphalt concrete pavement 10 and a basement outlet 11.

A special lane structure for a ground depot in an urban tunnel adopts a scheme of arranging special lanes for the ground depot, namely the cross section of the tunnel is a bidirectional four-lane main line + bidirectional two-lane special lanes for the ground depot.

A bidirectional main line lane and a special land depot lane 2 are arranged in the tunnel lining structure 1, a partition wall 6 is arranged in the middle of the tunnel lining structure 1, and the bidirectional main line lane is divided into a left main line lane 3 and a right main line lane 4; the garage-dedicated lanes 2 are respectively provided on the left side of the left-side main lane 3 and the right side of the right-side main lane 4.

The longitudinal slope gradient of the two-way main traffic lane is smaller than that of the special underground garage lane 2, so that a height difference is formed between the special underground garage lane 2 and the two-way main traffic lane, and the special underground garage lane 2 and the two-way main traffic lane are separated; in this embodiment, the gradient of the longitudinal slope of the bidirectional main line lane is 5%, and the gradient of the longitudinal slope of the special-purpose lane 2 for the basement is 6%.

The special lane 2 for the ground depot is sequentially provided with a ground depot inlet 5 and a ground depot outlet 11 along the advancing direction of the vehicle; the tunnel lining structure wall in the range of 30m in front of the ground storehouse inlet 5 and the ground storehouse outlet 11 is in the form of a stand column.

Hard isolation is arranged between the bidirectional main line lane and the special lane 2 for the ground depot, and the hard isolation at the entrance of the bidirectional main line lane and the special lane 2 for the ground depot can play a role in obvious isolation, so that a driver can conveniently discriminate; and mobile isolation is arranged in the region of the entrance and the exit of the special lane of the ground reservoir, so as to meet the traffic evacuation in emergency.

The road structure of the special lane 2 for the ground depot is provided with three layers, including a plain concrete filling layer 8, a concrete pavement layer 9 and an asphalt concrete pavement 10; the plain concrete filling layer 8 is arranged on the bottom surface of the tunnel lining structure, the concrete pavement layer 9 is arranged on the plain concrete filling layer 8, and the asphalt concrete pavement 10 is arranged on the concrete pavement layer 9.

The road structure of the bidirectional mainline lane is provided with two layers, wherein the two layers comprise a concrete pavement layer 9 and an asphalt concrete pavement 10, the concrete pavement layer 9 is arranged on the bottom surface of the tunnel lining structure, and the asphalt concrete pavement 10 is arranged on the concrete pavement layer 9.

Drainage ditches 7 are respectively arranged at one sides of the road surfaces of the left-going main line lane 3, the right-going main line lane 4 and the special ground depot lane 2; road surface 2% slope of 7 one sides slopes of escape canal towards the escape canal in this embodiment, is favorable to the interior drainage of tunnel.

The utility model discloses in U type groove section ground plane road scope, the thread longitudinal gradient is according to 5%, the special way longitudinal gradient of basement is according to 6% design, and the design through different longitudinal gradients thoroughly separates special lane of basement and two-way thread lane. The matched design of the marking lines is made at the intersection and the entrance and exit of the tunnel, so that the driver can accurately distinguish and drive into the corresponding lane before entering the tunnel.

The lane special for the ground depot is 5.5 meters wide, and the possibility of other vehicles passing when the vehicles are anchored is fully considered. In order to improve the underground traffic safety, the tunnel structure wall in the range of 30m in front of the entrance and exit of the ground garage adopts a column form, the permeability between the ramp of the ground garage and the special lane of the ground garage is increased, and the visibility of vehicles at two sides is enhanced by arranging a convex mirror, traffic safety facilities such as advance notice marks, deceleration oscillation marked lines and the like. Hard isolation (fixed isolation piers) are arranged between a main line of a lane in the tunnel and a special lane for a ground depot, and in order to meet traffic evacuation in emergency, a mobile isolation facility (mobile isolation railings) with the length of 50 meters is arranged in the range of an entrance and an exit of the garage.

The arrangement of the lane special for the ground garage can ensure that the main line passes through the traffic fast, reduce the vehicle interweaving in and out of the ground garage, improve the traffic safety and facilitate the traffic management during the competition period. The scheme of adopting the main line and the special lane for the basement also increases the length of the interweaving segment of the special lane vehicles for the basement and the ground auxiliary lane vehicles on the entrance and exit lanes of the intersection, thereby effectively saving the engineering investment.

Claims

1. The special tunnel structure for the ground depot in the urban tunnel comprises a tunnel lining structure (1) and is characterized in that a bidirectional mainline lane and a special lane (2) for the ground depot are arranged in the tunnel lining structure (1), a partition wall (6) is arranged in the middle of the tunnel lining structure (1), and the bidirectional mainline lane is divided into a left mainline lane (3) and a right mainline lane (4); the garage special lane (2) is respectively arranged on the left side of the left main line lane (3) and the right side of the right main line lane (4).

2. The basement-specific track structure in an urban tunnel according to claim 1, wherein a longitudinal slope gradient of the bidirectional main line lane is smaller than a longitudinal slope gradient of the basement-specific lane (2), so that a height difference is formed between the basement-specific lane (2) and the bidirectional main line lane.

3. The structure of the special lane for the basement in the urban tunnel according to claim 1, wherein the special lane for the basement (2) is provided with a basement inlet (5) and a basement outlet (11) in sequence along the vehicle traveling direction.

4. The structure of the dedicated lane for the basement in the urban tunnel according to claim 1, wherein the road structure of the dedicated lane for the basement (2) is provided with three layers including a plain concrete filling layer (8), a concrete pavement layer (9) and an asphalt concrete pavement (10); plain concrete filling layer (8) set up in tunnel lining structure bottom surface, concrete pavement layer (9) set up on plain concrete filling layer (8), asphalt concrete pavement layer (10) set up on concrete pavement layer (9).

5. The structure of the dedicated road for the basement in the urban tunnel according to claim 1, wherein the road structure of the bidirectional mainline lane is provided with two layers, including a concrete pavement (9) and an asphalt concrete pavement (10), the concrete pavement (9) is arranged on the bottom surface of the tunnel lining structure, and the asphalt concrete pavement (10) is arranged on the concrete pavement (9).

6. The structure of the special lane for the basement in the urban tunnel according to claim 2, wherein the gradient of the longitudinal slope of the bidirectional main lane is 3-5%, and the gradient of the longitudinal slope of the special lane for the basement (2) is 4-6%.

7. The structure of the dedicated lane for the basement in the urban tunnel according to claim 1, wherein the bidirectional main lane and the dedicated lane for the basement (2) are provided with hard isolation therebetween, and the dedicated lane for the basement is provided with mobile isolation in the entrance and exit range of the basement.

8. The special tunnel structure for the basement in the urban tunnel according to claim 3, wherein the tunnel lining structure walls in the range of 15-30m in front of the basement entrance (5) and the basement exit (11) are in the form of vertical columns.

9. The structure of the dedicated road for the underground garage in the urban tunnel according to claim 1, wherein a drainage ditch (7) is respectively provided on one side of the road surface of the left main line lane (3), the right main line lane (4) and the dedicated road for the underground garage (2).