CN109778679A - A kind of overhead station structure suitable for straddle-type monorail - Google Patents
A kind of overhead station structure suitable for straddle-type monorail Download PDFInfo
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- CN109778679A CN109778679A CN201910142865.4A CN201910142865A CN109778679A CN 109778679 A CN109778679 A CN 109778679A CN 201910142865 A CN201910142865 A CN 201910142865A CN 109778679 A CN109778679 A CN 109778679A
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Abstract
The invention discloses a kind of overhead station structures suitable for straddle-type monorail, belong to straddle-type monorail station technical field, by the way that support single-column pier is arranged in supporting layer, and the upright supports unit of lateral twin columns form is set in station hall layer, and the track girder of straddle-type monorail is set up directly on to the top of station layer bent cap, so that overhead station reduces the occupancy to ground space, reduces the climb altitude of staircase and the whole height of overhead station under the premise of meeting straddle-type monorail operation needs.It is suitable for the overhead station structure of straddle-type monorail in the present invention, its structure is simple, setting is easy, it can be cater adequately for the operation characteristic of straddle-type monorail, meet the needs that stop of straddle-type monorail, the setting height of overhead station is lower, the staircase climb altitude of station hall layer to station layer is lower, the passenger flow evacuation efficiency of station hall layer can be effectively promoted, the construction cost of straddle-type monorail overhead station is reduced, there is preferable urban landscape and preferable application value.
Description
Technical field
The invention belongs to straddle-type monorail station technical fields, and in particular to a kind of overhead vehicle suitable for straddle-type monorail
Station structure.
Background technique
Cross-saddle single-track traffic is one kind of urban track traffic, often has that noise is small, adaptable, occupied area
Small, the advantages that construction cost is low, the construction period is short, the construction period of cross-saddle single-track traffic is often not as good as the subway construction period
Half, cost are also only one third of subway or so, but belong to the Rail Transit System of medium-heavy road traffic, can very great Cheng
Improve the traffic problems in city on degree.Therefore, straddle-type monorail has obtained a degree of application in China urban, and
Start to plan and build in more and more cities.
Since cross-saddle single-track traffic and existing common rail traffic have a certain difference, existing rail traffic
Station is unable to fully be applicable in for straddle-type monorail, and for straddle-type monorail station, there is presently no mature technical bids
Standard, so that all kinds of stations of straddle-type monorail are in design, there are certain difficulty.
During straddle-type monorail actual operation, the setting of overhead station is particularly significant.It is existing for overhead station
Relatively conventional is the overhead station of common light rail, is generally the light rail station of steel wheel rail standard.Under normal conditions, gently
Rail vehicle station is vertical apart from larger due to vehicle floor and bent cap back, can if track girder is supported directly at the top of bent cap
Cause the Escalator climb altitude of platform slab height, station height, station hall layer to increase, causes the increase and resource of difficulty of construction
Waste.Therefore, for existing light rail station, overlap joint track girder bracket generally is set in platform bent cap position, makes track girder
Top and platform bent cap either flush, as shwon in Figures 5 and 6.Further, since common light rail load is larger, bottom is often needed
Twin shaft pier is used, and the column of bottom and station hall layer arrangement generally requires continuously unanimously.
Although the overhead station of the structure type of common light rail overhead station and straddle-type monorail there are certain similitude,
But since straddle-type monorail and common light rail have biggish difference in operation in form, there is essence in the track beam structure of the two
Difference, and straddle-type monorail train is to straddle track girder enterprising walking row, and vehicle floor is almost close to the beam bottom of track girder；
In this way, the track girder setting form of existing common light rail overhead station is unable to fully meet the traveling needs of straddle-type monorail, and
And setting of the existing common light rail overhead station due to overlapping track girder bracket, the absolute altitude of station layer is higher, so that staircase
Climb altitude it is larger, the whole height at station is larger, and construction cost is higher, and difficulty is larger, and the support shape of bottom twin shaft pier
Formula is also unfavorable for being arranged in city, and occupancy ground sheaf space is larger, and there are biggish limitations.
Summary of the invention
One or more of aiming at the above defects or improvement requirements of the prior art, the present invention provides one kind to be applicable in
Straddle seat can sufficiently be met by being correspondingly arranged for supporting layer, station hall layer and station layer in the overhead station structure of straddle-type monorail
The staircase climb altitude of the demand that stops of formula single track, station hall layer is lower, and the whole height of overhead station is lower, can effectively promote vehicle
The passenger flow evacuation efficiency stood reduces the construction difficulty and construction cost at station.
To achieve the above object, the present invention provide a kind of overhead station structure suitable for straddle-type monorail include by down toward
On the supporting layer, station hall layer and the station layer that set gradually, which is characterized in that
The supporting layer includes at least one the support single-column pier being correspondingly arranged in the longitudinal direction, and the support single-column pier is vertical
Setting, the setting of bottom corresponding ground, and its over top is correspondingly arranged on the station hall layer；
The station hall layer includes horizontal longitudinally disposed station hall layer bent cap and is arranged at the top of the station hall layer bent cap extremely
A few upright supports unit, wherein the corresponding top with the support single-column pier in the bottom of the station hall layer bent cap is connect, institute
Stating upright supports unit includes that horizontally spaced two station hall layer columns, the bottom of the station hall layer column correspond to company
It connects at the top of the station hall layer bent cap, over top is correspondingly arranged on the station layer；
The station layer includes horizontal longitudinally disposed station layer bent cap, and the top surface of the station layer bent cap is solid along longitudinal direction
Surely it is provided with track girder of at least one for straddle-type monorail train traveling, and the bottom of the station layer bent cap is corresponding and each
The top of the station hall layer column connects, and is provided with down in the junction of each station hall layer column and the station layer bent cap
Corner locally increases bent cap thickness to act on maximum position in the station layer bent cap bending moment.
As a further improvement of the present invention, the support single-column pier is the multiple of longitudinally spaced setting, and described vertical
Column support unit is the multiple of longitudinally spaced setting.
As a further improvement of the present invention, a support single-column pier and one are provided at least one cross section simultaneously
Upright supports unit.
As a further improvement of the present invention, two station hall layer columns in the upright supports unit are with the branch
Fore-and-aft plane where supportting single-column pier axis is symmetrical arranged.
As a further improvement of the present invention, the bottom of the corresponding support single-column pier is provided with base unit, corresponds to
Setting is fixedly connected on the base unit in below ground, the bottom of the support single-column pier.
As a further improvement of the present invention, the support single-column pier is arranged in road in greenbelt.
As a further improvement of the present invention, the station hall layer bent cap and/or the station layer bent cap are prestressed concrete
Earth forming forms.
As a further improvement of the present invention, the top surface of the station hall layer bent cap is horizontally disposed, and the station hall layer bent cap
Thickness is sequentially reduced from middle part to two sides.
As a further improvement of the present invention, the station hall layer bent cap is flat with the longitudinal direction where the support single-column pier axis
Face is symmetrical arranged.
As a further improvement of the present invention, the transverse width of the station hall layer bent cap is equal to the cross of the station layer bent cap
To width, and the two sides of two bent caps are vertically aligned setting.
Above-mentioned improved technology feature can be combined with each other as long as they do not conflict with each other.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
(1) it is suitable for the overhead station structure of straddle-type monorail in the present invention, by the way that support single-column is arranged in supporting layer
Pier reduces and accounts for ground floor passage space so that the support stub of overhead station can be correspondingly arranged in road in greenbelt
With, and the upright supports unit by the way that lateral twin columns form is arranged in station hall layer, it is ensured that station layer bent cap and station hall layer column
Between junction moment of flexure be less than setting single-column form when station layer bent cap connection station hall layer column at moment of flexure, station is effectively reduced
The design thickness of platform layer bent cap, and then the climb altitude of staircase is reduced, while guaranteeing station hall layer column setting stability, greatly
The big passenger flow evacuation efficiency promoted in station hall layer, and twin columns spacing is relatively flexible, is suitable for the space layout of station hall layer, space benefit
With high-efficient, the further passenger flow evacuation efficiency promoted in station hall layer；
(2) it is suitable for the overhead station structure of straddle-type monorail in the present invention, by the way that track girder is set up directly on station
On platform layer bent cap, for common light rail overhead station, reduce the setting of overlap joint track girder bracket, so that station
The thickness design of platform layer bent cap only needs to consider the carrying needs of total load head, no longer by the control of bracket vertical dimension, further
The construction height of overhead station and the climb altitude of station hall layer staircase are reduced, passenger flow evacuation efficiency is promoted, reduces overhead station
Construction cost saves material and the energy, promotes the urban landscape of overhead station；
(3) it is suitable for the overhead station structure of straddle-type monorail in the present invention, by station hall layer column and station layer
The junction of bent cap is correspondingly arranged corner portion, to meet moment of flexure stress needs of the station layer bent cap at this, is equivalent in moment of flexure
Maximum locally increases depth of section, neither influence station hall layer headroom, also reduces the design height of station layer bent cap, further
Reduce the construction height of overhead station and the climb altitude of station hall layer staircase；
(4) it is suitable for the overhead station structure of straddle-type monorail in the present invention, structure is simple, and setting is easy, can be sufficiently
It is adapted to the operation characteristic of straddle-type monorail, meets the needs that stop of straddle-type monorail, and the setting height of overhead station is lower,
The staircase climb altitude of station hall layer to station layer is lower, can effectively promote the passenger flow evacuation efficiency of station hall layer, reduces straddle-type list
The construction cost and construction difficulty of rail overhead station, have preferable urban landscape and preferable application value.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view in the embodiment of the present invention suitable for the overhead station structure of straddle-type monorail；
Fig. 2 is the pillarwork side view in the embodiment of the present invention suitable for the overhead station structure of straddle-type monorail；
Fig. 3 is that the cross section moment of flexure when station hall layer of overhead station structure in the embodiment of the present invention is set as twin columns is illustrated
Figure；
Fig. 4 is that the cross section moment of flexure when station hall layer of overhead station structure in the embodiment of the present invention is set as single-column is illustrated
Figure；
Fig. 5 is the schematic cross-sectional view of common light rail overhead station in the prior art；
Fig. 6 is the pillarwork side view of common light rail overhead station in the prior art；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. station layers, 101. rails
Road beam, 102. station layer bent caps；2. station hall layer, 201. station hall layer columns, 202. corner portions, 203. station hall layer bent caps；3. support
Layer, 301. support single-column piers, 302. base units；4. straddle-type monorail train, 5. common light rail overhead stations, 501. support groups
Plinth unit, 502. support posts, 503. subway concourse bent caps, 504. subway concourse columns, 505. overlap joint track girder brackets, 506. platform lids
Beam, 507. light rail track beams；6. light rail train.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other not
Constituting conflict can be combined with each other.
It is suitable for its structure of the overhead station of straddle-type monorail in the preferred embodiment of the present invention as shown in Fig. 1~2,
It from top to bottom successively include station layer 1, station hall layer 2 and supporting layer 3 on vertical direction.Wherein, supporting layer 3 includes support single-column pier
301 and base unit 302, base unit 302 ground line of ground floor is set hereinafter, being generally arranged at ground line or less 0.4
The bottom of the position of~0.6m, support single-column pier 301 is fixedly connected on base unit 302 and is vertically elevated above the soil with its top
Line；Further, it supports single-column pier 301 and base unit 302 that can often be set up directly in road in greenbelt, does not influence ground
The travelled by vehicle of layer, and greenbelt often limited width in the road of ground floor, are unable to fully meet the setting requirements of twin shaft pier.Cause
This, the matched form of support single-column pier 301 and base unit 302 had both been able to satisfy the support needs of overhead station, also can sufficiently keep away
Exempt from the occupancy or interference to ground floor traffic space, promotes the setting flexibility of overhead station.
Further, it is preferable to which the station hall layer 2 in embodiment includes station hall layer column 201 and station hall layer bent cap 203, wherein
Station hall layer bent cap 203 is correspondingly arranged at the top of support single-column pier 301, it should be apparent that, overhead station in preferred embodiment
It is longitudinally spaced in supporting layer 3 to be provided at least one support single-column pier 301, it is generally the case that the setting of support single-column pier 301
Quantity is the multiple of longitudinal gap.Further, in order to promote the volume of the flow of passengers of station hall layer 2, the width of station hall layer 2 is often larger,
That is the cantilever end length of 203 two sides of station hall layer bent cap is larger, for the structure stress stability for meeting station hall layer bent cap 203, a side
Face needs to be preferably provided with the size of support single-column pier 301, on the other hand needs to be promoted the structural strength of station hall layer bent cap 203.
In consideration of it, in a preferred embodiment, station hall layer bent cap 203 is formed using prestressed reinforced concrete construction, cantilever end
Length compared to can increase to a certain degree for the bent cap cantilever end length of existing overhead station, and into one in preferred embodiment
The two sides that step is preferably provided with station hall layer bent cap 203 are wedge structure, i.e. the top surface of station hall layer bent cap 203 is horizontally disposed, middle part
It is maximum with the support matched position thickness of single-column pier 301, and its thickness is sequentially reduced from middle part to two sides, and in station hall layer bent cap
203 both side ends thickness are minimum, as shown in fig. 1.The self weight that can not only reduce 203 two sides of station hall layer bent cap is arranged such,
The traveling space of 203 lower section of station hall layer bent cap can also be promoted.Certainly, bent cap when above-mentioned setting form also allows for single-column support
It is after moment of flexure stress situation that as a result, as shown in Figure 4, line segment b is moment of flexure schematic diagram of the bent cap when being supported by middle part single-column, by
Diagram is not difficult to find out, at the middle part of bent cap, the moment born is maximum bmax, therefore, 203 middle part of station hall layer bent cap
The thickness that thickness is greater than its two sides can not only save material, promote ground sheaf space, moreover it is possible to sufficiently meet the stress needs of bent cap.
Further, it is preferable to the station hall layer 2 in embodiment is as shown in fig. 1, the station hall layer being arranged on same cross section
Column 201 is two of laterally spaced setting, and the station hall layer column 201 of two laterally spaced settings forms a upright supports
Unit, it is clear that, it is longitudinally spaced in station hall layer 2 to be provided at least one upright supports unit, in most cases, stand
The setting quantity of column support unit is the multiple of longitudinally spaced setting.It should be noted that upright supports unit is set as double
Cylindricality formula is mainly based upon the needs for meeting and reducing 102 thickness of station layer bent cap and promoting the flexibility of subway concourse sheaf space, by Fig. 3 and
It is not difficult to find out that, when column is adopted as single-column, bent cap and the moment of flexure of column junction are larger in Fig. 4, so that bent cap structure designs
The thickness of Shi Bixu thickening bent cap；And when column is adopted as the form of three columns or more, the space potential in station hall layer must
It can be separated into more fritter, the space utilization rate of station hall layer is lower, and flexibility is poor.
Further, it is preferable to which two station hall layer columns 201 in embodiment on same cross section are preferably symmetrical arranged, by more
A station hall layer column 201 separates station hall layer bent cap 203 and the correspondence of station layer bent cap 102, and is formed and accommodated between two bent caps
The station hall layer 2 of passenger.It is further preferred that the station hall layer bent cap 203 and 102 equal in width of station layer bent cap in preferred embodiment are set
It sets, and the vertically concordant setting respectively of the both side ends of two bent caps；Certainly, the transverse width of two bent caps can also be according to practical need
Preferred design can be needed according to actual design by being set as not equal form, specific setting form.It is further preferred that it is preferred that real
The station hall layer bent cap 203 in example is applied to support the fore-and-aft plane where 301 axis of single-column pier to be symmetrical arranged.
Further, the top of multiple station hall layer columns 201 is arranged in station layer bent cap 102, and top surface is horizontally disposed, and
The track girder 101 of at least one straddle-type monorail, the direct edge of track girder 101 are correspondingly arranged in the top surface of station layer bent cap 102
It is disposed longitudinally on 102 top surface of station layer bent cap, reduces the setting of overlap joint track girder bracket, sufficiently controls in station layer and stand
The absolute altitude of platen, and due to not having to overlap the setting of track girder bracket, the thickness design of station layer bent cap 102 only needs to examine
The carrying for considering total load head needs, no longer by the control of bracket vertical dimension, thus station layer bent cap in the preferred embodiment of the present invention
102 thickness l can reduce to a certain extent compared to for common light rail.Such setting can not only reduce station hall layer 2 and station
The staircase climb altitude H (as shown in fig. 1, H=L+l) of platform layer 1, promotes the efficiency by bus of passenger, moreover it is possible to be effectively reduced overhead
The whole height at station reduces the construction cost of overhead station and builds difficulty.
Further, since the upright supports unit in station hall layer 2 is twin columns form, 201 top of station hall layer column
The moment of flexure that station layer bent cap 102 is born on cross section is as shown in Figure 3, wherein line segment a is the moment variation under the state
Schematic diagram, it is not difficult to find out that, station layer bent cap 102 is maximum value in the moment of flexure that the position connecting with station hall layer column 201 is born
amax.Under normal conditions, it is the force stability for guaranteeing station layer bent cap 102, needs the setting thickness of station layer bent cap 102
It thickeies, it is made to meet moment of flexure maximum value amaxWhen stress need.In a preferred embodiment of the invention, station hall layer column 201 with
The link position of station layer bent cap 102 is correspondingly arranged on corner portion 202, and as shown in Fig. 1,3, such setting is equivalent to curved
The section thickness of bent cap has locally been increased in the maximum position of square, does not influence the headroom of station hall layer 2 not only, also reduces station layer lid
The thickness of beam 102 thereby reduces the climb altitude of staircase.
In summary, it is suitable for the overhead station structure of straddle-type monorail in the preferred embodiment of the present invention, structure is simple,
Build it is easy, by the way that support single-column pier is arranged in supporting layer so that the support stub of overhead station can be correspondingly arranged at it is green in road
Change in band, reduces the occupancy to ground floor passage space, and saved material to a certain extent；And by being set in station hall layer
Set the upright supports unit of lateral twin columns form, it is ensured that the junction moment of flexure between station layer bent cap and station hall layer column, which is less than, to be set
Moment of flexure when setting single-column form at station layer bent cap connection station hall layer column, promotes the setting stability of station hall layer column, and double
Intercolumniation is relatively flexible, is suitable for the space layout of station hall layer, and space efficiency utilization is high, and supports station layer lid by twin columns
Beam can effectively reduce the thickness of station layer bent cap, and then reduce the climb altitude of staircase, and the passenger flow promoted in station hall layer evacuates effect
Rate；Meanwhile the top surface by the way that track girder to be set up directly on to station layer bent cap, structure is simple, and it is convenient to overhaul, can be to a certain extent
Reduce platform slab absolute altitude, reduces the construction height of overhead station, while save the cost, promote the city scape of overhead station
It sees；In addition, being equivalent to by the way that corner portion is arranged in the junction of station layer bent cap and station hall layer column in moment of flexure maximum part
Increase depth of section, neither influence station hall layer headroom, also reduces station layer lid depth of beam.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of overhead station structure suitable for straddle-type monorail, including supporting layer, the station hall layer set gradually from the bottom to top
And station layer, which is characterized in that
The supporting layer includes at least one the support single-column pier being correspondingly arranged in the longitudinal direction, and the support single-column pier is vertically set
It sets, the setting of bottom corresponding ground, and its over top is correspondingly arranged on the station hall layer；
The station hall layer include horizontal longitudinally disposed station hall layer bent cap and be arranged at the top of the station hall layer bent cap at least one
A upright supports unit, wherein the corresponding top with the support single-column pier in the bottom of the station hall layer bent cap is connect, described vertical
Column support unit includes that horizontally spaced two station hall layer columns, the bottom of the station hall layer column are correspondingly connected with
The top of the station hall layer bent cap, over top are correspondingly arranged on the station layer；
The station layer includes horizontal longitudinally disposed station layer bent cap, and fixation is set along longitudinal direction for the top surface of the station layer bent cap
Be equipped with track girder of at least one for straddle-type monorail train traveling, and the station layer bent cap bottom it is corresponding with it is each described
The top of station hall layer column connects, and the junction of each station hall layer column and the station layer bent cap is provided with chamfering
Portion locally increases bent cap thickness to act on maximum position in the station layer bent cap bending moment.
2. the overhead station structure according to claim 1 suitable for straddle-type monorail, wherein the support single-column pier is
Longitudinally spaced setting it is multiple, and the upright supports unit be longitudinally spaced setting it is multiple.
3. the overhead station structure according to claim 1 or 2 suitable for straddle-type monorail, wherein at least one is cross-section
A support single-column pier and a upright supports unit are provided on face simultaneously.
4. the overhead station structure described in any one of claim 1 to 3 suitable for straddle-type monorail, wherein described
Two station hall layer columns in upright supports unit are symmetrical arranged with the fore-and-aft plane where the support single-column pier axis.
5. the overhead station structure according to any one of claims 1 to 4 suitable for straddle-type monorail, wherein corresponding
The bottom of the support single-column pier is provided with base unit, is correspondingly arranged at below ground, the bottom of the support single-column pier
It is fixedly connected on the base unit.
6. the overhead station structure according to any one of claims 1 to 5 suitable for straddle-type monorail, wherein described
Single-column pier is supported to be arranged in road in greenbelt.
7. being suitable for the overhead station structure of straddle-type monorail described according to claim 1~any one of 6, wherein described
Station hall layer bent cap and/or the station layer bent cap are molded with for prestressed concrete.
8. the overhead station structure according to any one of claims 1 to 7 suitable for straddle-type monorail, wherein described
The top surface of station hall layer bent cap is horizontally disposed, and the thickness of the station hall layer bent cap is sequentially reduced from middle part to two sides.
9. being suitable for the overhead station structure of straddle-type monorail described according to claim 1~any one of 8, wherein described
Station hall layer bent cap is symmetrical arranged with the fore-and-aft plane where the support single-column pier axis.
10. being suitable for the overhead station structure of straddle-type monorail described according to claim 1~any one of 9, wherein described
The transverse width of station hall layer bent cap is equal to the transverse width of the station layer bent cap, and the two sides of two bent caps are vertically aligned and set
It sets.
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|---|---|---|---|---|
| CN110106912A (en) * | 2019-06-10 | 2019-08-09 | 上海市隧道工程轨道交通设计研究院 | A kind of connection structure of scissors-type staircase and vertical lift and subway concourse bottom plate |
| CN117927069A (en) * | 2024-02-27 | 2024-04-26 | 北京城建设计发展集团股份有限公司 | Single-column frame station of assembled bridge-building combined system |
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