CN208441880U - A kind of underground railway station lamination passes in and out station structure - Google Patents

Abstract

The utility model discloses a kind of underground railway station laminations to pass in and out station structure comprising: tunnel；Tunnel support structure is used to anchor tunnel vault and abutment wall；The tunnel at least has two layers of channel, and wherein at least has one layer of channel as outbound channel, for connecting the outbound layer in the underground railway station and the ground floor of ground station；At least one layer of channel is as channel of entering the station, the subterranean layer of enter the station layer and ground station for connecting the underground railway station.In the lamination disengaging station structure design of the utility model, tunnel is divided into independent channel up and down, intersects passenger flow out of the station not, increases substantially passenger's efficiency out of the station, reduce security risk, avoid congestion；Meanwhile lamination disengaging station structure design can reduce cavern's quantity, reduce construction investment.

Description

A kind of underground railway station lamination passes in and out station structure

Technical field

The utility model relates to geotechnical engineering fields more particularly to a kind of underground railway station lamination to pass in and out station structure.

Background technique

Currently, the most underground station in China belongs to subway station, cut and cover tunneling, station layout master are mainly used It to be double-deck or three layers integral frame structures, inlet and outlet channel often shares a channel, therefore passenger flow out of the station is at one Intersect in channel, therefore be easy to appear congestion in the case where the volumes of the flow of passengers such as spring transportation are big, causes traffic efficiency low, and be easy to happen Security risk.

Utility model content

The utility model provides a kind of underground railway station lamination disengaging station structure in view of the above drawbacks of the prior art, Tunnel is divided into independent channel up and down, intersects passenger flow out of the station not, thus increases substantially passenger's efficiency out of the station.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

Provide a kind of underground railway station lamination disengaging station structure comprising: tunnel；Tunnel support structure, is used for pair Tunnel vault and abutment wall are anchored；It is characterized in that, the tunnel at least has two layers of channel, and wherein at least there is one layer to lead to Road is as outbound channel, for connecting the outbound layer in the underground railway station and the ground floor of ground station；At least one layer of channel As channel of entering the station, the subterranean layer of enter the station layer and ground station for connecting the underground railway station.

Preferably, the escalator of at least one conveying personnel is provided in the outbound channel；And/or at least one Be arranged in the escalator side, for conveying equipment/personnel oblique elevator；And/or it is at least one set of for evacuating people The pedestrian stair of member；And/or be arranged between adjacent two escalator or oblique elevator side, for for personnel carry out The maintenance stair of overhaul of the equipments.

Preferably, the escalator of at least one conveying personnel is provided in the channel of entering the station；And/or at least one Be arranged in the escalator side, for conveying equipment/personnel oblique elevator；And/or it is at least one set of for evacuating people The pedestrian stair of member；And/or be arranged between adjacent two escalator or oblique elevator side, for for personnel carry out The maintenance stair of overhaul of the equipments.

Preferably, the high 15-18m in the tunnel, wide 8-10m, generally gateway opening type.

Preferably, the radius of the arched tunnel vault is 550-600mm.

Preferably, the corresponding center of circle of the arched tunnel vault is between the line and tunnel middle line of arch crown end Angle theta is 65-70 °.

Preferably, the tunnel support structure includes: several groups hollow grouting anchor, surrounds the arched tunnel vault It is arranged circumferentially in the corresponding country rock of the arched tunnel vault, slip casting can be carried out to country rock by the grouted anchor bar；

Several groups prestressed anchor is arranged in the corresponding country rock of the tunnel side wall；

Preliminary bracing structure, around the tunnel inner wall be arranged, and successively include: from outside to inside the first concrete layer, Geotextiles protective layer, splash guard and the second concrete layer.

Preferably, the hollow grouting anchor length is 2.5-3.5m, and circumferential spacing is 1.0-1.5m, and longitudinal pitch is 1.0-1.5m；The prestressed anchor pole length is 3.0-4.5m, and circumferential spacing is 1.2-1.8m, longitudinal pitch 1.2-1.8m.

Preferably, steel mesh is equipped in first concrete layer, and the steel mesh grid spacing is 150-300mm.

Preferably, the tunnel bottom is equipped with screed-coat, cable passage and drainage channel.

The beneficial effect of technical solutions of the utility model is:

The utility model lamination disengaging station structure design in, by tunnel be divided into up and down independent channel, thus make into Outbound passenger flow is not intersected, and passenger's efficiency out of the station is increased substantially, and is reduced security risk, is avoided congestion；Meanwhile lamination passes in and out Station structure design can reduce cavern's quantity, reduce construction investment.

Detailed description of the invention

Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:

Fig. 1 is the profilograph that underground railway station lamination passes in and out station structure in the utility model embodiment one；

Fig. 2 is the floor plan in outbound channel in the utility model embodiment one；

Fig. 3 is the floor plan in channel of entering the station in the utility model embodiment one；

Fig. 4 is the profilograph of tunnel support structure in the utility model embodiment one；

Fig. 5 is the profilograph of preliminary bracing structure in the utility model embodiment one.

Specific embodiment

In order to which the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with attached drawing and reality Example is applied, the present invention will be further described in detail.It should be understood that specific embodiment described herein is only used for It explains the utility model, is not used to limit the utility model.

Embodiment one:

As shown in Figure 1, the underground railway station lamination structure building out of the station of the utility model is in underground, comprising: tunnel 100；Tunnel support structure is used to anchor tunnel vault 101 and abutment wall 102；At least two layers of the tunnel 100 is logical Road, and wherein at least have one layer of channel as outbound channel 10, for connecting outbound layer and the earth station in the underground railway station The ground floor in room；At least one layer of channel is as channel 20 of entering the station, for connecting enter the station layer and the earth station in the underground railway station The subterranean layer in room；In addition, to enter the station channel 20 and outbound channel 10 is supported and reinforces, the channel 20 of entering the station to described And at least one supporting element 30 is additionally provided between outbound channel 10, and the supporting element 30 runs through in addition to the channel of the top Other channels, and be made of reinforced concrete structure；At least one layer of channel, enhancing structure are played from there through supporting element 30 " string " Whole soundness.

In addition, for convenient for passenger flow trip, emergency evacuation and progress overhaul of the equipments, as shown in Figs. 1-2, the outbound channel The escalator 11 (preferably 3, width is 1m) of at least one conveying personnel is provided in 10；And/or at least one set Set it is in 11 side of escalator, for conveying equipment/personnel oblique elevator 12 (loading capacity be 1 ton)；And/or until Few one group for evacuating personnel, on-electric pedestrian stair 13；And/or setting is between adjacent two escalator 11 or tiltedly 12 side of row elevator, for for personnel carry out overhaul of the equipments maintenance stair 14；The pedestrian stair 13 can be in emergency Lower opening is used for emergency evacuation crowd, and barrier dike 15 is equipped between the pedestrian stair 13 and the oblique elevator 12；Institute It states the escalator 11 in outbound channel 10, oblique elevator 12, pedestrian stair 13 and maintenance stair 14 and is all connected with the ground The ground floor of station；

Similar, such as Fig. 1, shown in 3, the escalator 21 of at least one conveying personnel is provided in the channel 20 of entering the station (preferably 3, width is 1m)；And/or at least one be arranged in 21 side of escalator, for conveying equipment/ The oblique elevator 22 of personnel (loading capacity is 1 ton)；And/or it is at least one set of for evacuating personnel, on-electric pedestrian stair 23；And/or be arranged between adjacent two escalator 21 or 22 side of oblique elevator, for for personnel carry out overhaul of the equipments Maintenance stair 24；The pedestrian stair 23 can be opened in case of emergency, be used for emergency evacuation crowd, and the pedestrian stair Barrier dike 25 is equipped between 23 and the oblique elevator 22；Escalator 21, oblique elevator 22 in the channel 20 of entering the station, Pedestrian stair 23 and maintenance stair 24 are all connected with the ground floor of the ground station.

Wherein, the oblique elevator 12,22 includes: angularly disposed channel 121, and can be in the channel 121 Mobile carriage 122, and the angle theta 1 between the channel 121 and ground is 5-45 ° (preferably 15 °)；All escalators 11,21 and oblique elevator 12,22 be the staircase once promoted, whole hoisting depth is 35-40m, thus be can avoid Way is paused and transfer, and passenger can once reach predetermined altitude, thus for passenger provide safely, conveniently, efficiently, it is quickly out of the station Service, meanwhile, equality also is provided for physical disabilities, environment of easily riding, embody the humanistic care to passenger.

Further, as shown in figure 4, the tunnel 100 15-18m high (preferably 17m), wide 8-10m (preferably 11m), Generally gateway opening type, and the radius R of the arched tunnel vault 101 is 550-600mm (preferably 578mm), the tunnel The corresponding center of circle O of arch crown 101 is (excellent for 65-72 ° to the angle theta between the line and tunnel middle line of arch crown end 102 It is selected as 70 °).

Specifically, the tunnel support structure includes: several groups (preferably 22 groups) hollow grouting anchor 103, surround The arched tunnel vault 101 is arranged circumferentially in the corresponding country rock of the arched tunnel vault 101, can pass through the hollow note It starches anchor pole 103 and slip casting is carried out to country rock；Wherein, 103 length of hollow grouting anchor is 2.5-3.5m (preferably 3m), circumferential Spacing is 1.0-1.5m (preferably 1.2m), and longitudinal pitch is 1.0-1.5m (preferably 1.2m)；

Several groups (preferably 25 groups) prestressed anchor 104 is arranged in the corresponding country rock of the tunnel side wall 105； Wherein, the prestressed anchor pole length is 3.0-4.5m (preferably 4m), and circumferential spacing is 1.2-1.8m (preferably 1.5m), is indulged It is 1.2-1.8m (preferably 1.5m) to spacing.

Preliminary bracing structure is arranged on the tunnel inner wall, as shown in figure 5, it successively includes: first from outside to inside Concrete layer 106 (preferably C30 element pneumatically placed concrete is made), geotextiles protective layer 107, (the preferably EVA waterproof of splash guard 108 Plate, with a thickness of 1.5mm) and the second concrete layer 109 (preferably C35 water-proof concrete is made, waterproofing grade P12)；In addition, For the stability for further enhancing structure, steel mesh, and the steel mesh grid spacing are equipped in first concrete layer 106 For 150-300mm (preferably 250mm, and the steel mesh is made of the reinforcing bar of diameter 6mm), in the present embodiment, described in direction The direction of 100 inner space of tunnel is "inner", and the direction far from 100 inner space of tunnel is "outside"；

Meanwhile 100 bottom of tunnel is equipped with screed-coat 110 made of C20 concrete, cable passage 111 and draining Channel 112.

In conclusion tunnel is divided into independent channel up and down in the lamination disengaging station structure design of the utility model, Intersect passenger flow out of the station not, increase substantially passenger's efficiency out of the station, reduces security risk, avoid congestion；Meanwhile Lamination disengaging station structure design can reduce cavern's quantity, reduce construction investment.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of underground railway station lamination passes in and out station structure comprising: tunnel；Tunnel support structure is used for tunnel vault It is anchored with abutment wall；It is characterized in that, the tunnel at least has two layers of channel, and wherein at least there is one layer of channel to be used as It stands channel, for connecting the outbound layer in the underground railway station and the ground floor of ground station；At least one layer of channel is used as and enters the station Channel, the subterranean layer of enter the station layer and ground station for connecting the underground railway station.

2. disengaging station structure as described in claim 1, which is characterized in that be provided at least one conveying in the outbound channel The escalator of personnel；And/or at least one be arranged in the escalator side, for conveying equipment/personnel diagonal Elevator；And/or it is at least one set of for evacuating the pedestrian stair of personnel；And/or setting is between adjacent two escalator or tiltedly Row elevator side, for for personnel carry out overhaul of the equipments maintenance stair.

3. disengaging station structure as described in claim 1, which is characterized in that be provided at least one conveying in the channel of entering the station The escalator of personnel；And/or at least one be arranged in the escalator side, for conveying equipment/personnel diagonal Elevator；And/or it is at least one set of for evacuating the pedestrian stair of personnel；And/or setting is between adjacent two escalator or tiltedly Row elevator side, for for personnel carry out overhaul of the equipments maintenance stair.

4. disengaging station structure as described in claim 1, which is characterized in that the high 15-18m in tunnel, the wide 8-10m, generally Gateway opening type.

5. disengaging station structure as claimed in claim 4, which is characterized in that the radius of the arched tunnel vault is 550- 600mm。

6. disengaging station structure as claimed in claim 4, which is characterized in that the corresponding center of circle of the arched tunnel vault to arc Angle theta between the line and tunnel middle line of vault end is 65-70 °.

7. disengaging station structure as claimed in claim 4, which is characterized in that the tunnel support structure includes:

Several groups hollow grouting anchor is arranged circumferentially corresponding in the arched tunnel vault around the arched tunnel vault In country rock, slip casting can be carried out to country rock by the grouted anchor bar；

Several groups prestressed anchor is arranged in the corresponding country rock of the tunnel side wall；

Preliminary bracing structure is arranged around the tunnel inner wall, and from outside to inside successively includes: the first concrete layer, geotechnique Cloth protective layer, splash guard and the second concrete layer.

8. disengaging station structure as claimed in claim 7, which is characterized in that the hollow grouting anchor length is 2.5-3.5m, Circumferential spacing is 1.0-1.5m, longitudinal pitch 1.0-1.5m；The prestressed anchor pole length is 3.0-4.5m, and circumferential spacing is 1.2-1.8m, longitudinal pitch 1.2-1.8m.

9. disengaging station structure as claimed in claim 7, which is characterized in that steel mesh is equipped in first concrete layer, and The steel mesh grid spacing is 150-300mm.

10. disengaging station structure as claimed in claim 4, which is characterized in that the tunnel bottom is equipped with screed-coat, cable passage And drainage channel.