CN209384715U - A kind of combined highway and metro integral cast-in-situ frame-type overhead station - Google Patents

Abstract

The utility model discloses a kind of combined highway and metro integral cast-in-situ frame-type overhead stations, belong to urban rail transit construction technical field, it is integrally formed by track girder, track beam slab and track girder bridge pier by correspondence, so that track girder, track beam slab and track girder bridge pier form unified beaer, the force stability of overhead station is promoted, the height of overhead station middle orbit layer is reduced.The combined highway and metro integral cast-in-situ frame-type overhead station of the utility model, its structure is simple, construction method is convenient, the construction efficiency of overhead station can effectively be promoted, promote the waterproof performance of rail layer, the setting height for reducing rail layer and overhead station, reduces the construction cost and repair and maintenance cost of overhead station, has preferable application and popularization value.

Description

A kind of combined highway and metro integral cast-in-situ frame-type overhead station

Technical field

The utility model belongs to urban rail transit construction technical field, and in particular to a kind of combined highway and metro integral cast-in-situ frame-type Overhead station.

Background technique

With the continuous quickening of Urbanization in China, urban population is continuously increased, and the daily trip problem of people is Increasingly become the major issue that urban development is faced.During improving urban transport problems, rail traffic is play Increasingly important role, the traffic congestion that the traffic forms such as subway, light rail, tramcar greatly improve city are asked Topic, facilitates the daily trip of people.

When rail traffic is built in city, construction space is often limited, and there is also one for the setting of supporting structure facility The design of fixed difficulty, especially rail traffic station.Meanwhile in the process of construction of rail traffic station, in addition to adapt to Outside rail traffic, often also need to be adapted to other traffic forms, such as highway communication.Therefore, just there is combined highway and metro Overhead station.

In the prior art, the overhead station of combined highway and metro is often as shown in Figure 2, by rail traffic bridge structure and Station structure is superimposed together up and down, shares pier stud and bent cap, track girder freely-supported is held on the bent cap of station structure, using branch Seat is supported, and then forms the supercrust, station hall layer, rail layer and the highway layer that set gradually from bottom to top, by station hall layer and Rail layer meets the needs of rail traffic, and supercrust meets the passage of traffic above-ground, and highway layer is for meeting above rail traffic The passage of highway communication.

Although the setting of above-mentioned overhead station can meet the application needs of highway communication and rail traffic to a certain extent, It is that there is also certain applied defects.It is mainly reflected in following aspects: in 1. existing combined highway and metro overhead stations, needing Support and track girder are correspondingly arranged on the railway bridge bent cap of rail layer, the track girder in existing overhead station is often box beam, It connect between bent cap structure by support, and generally requires formwork in batches and pour, and leads to railway box girder structure and bent cap knot There are gaps between structure, cause the waterproof effect of rail layer bad, increase the repair and maintenance cost of overhead station；2. track girder with It is correspondingly connected between bent cap by support, by the load above the corresponding transmitting track girder of support, and plays certain supporting role, During long-term recycling, support, which may be deformed perhaps to damage, to be needed often to overhaul or replace, and is greatly increased The repair and maintenance cost of overhead station is added；3. existing track girder mostly uses greatly box track girder, height is according to span difference Often in 3m or so, along with the thickness of support so that the layer height of rail layer is larger, so increase overhead station height and The height of other auxiliary facilities, substantially increases construction cost, extends the construction period of overhead station；4. overhead station exists When constructing in city, construction period generally requires control within a short period of time, to reduce the length to other traffic forms of surrounding Phase influences, but the construction method of existing combined highway and metro overhead station is complex, can not effectively shorten construction week of overhead station Phase not only influences the normal operation of other traffic forms, also substantially increases the construction cost of overhead station, has centainly Limitation.

Utility model content

One or more of aiming at the above defects or improvement requirements of the prior art, the utility model provides one kind Combined highway and metro integral cast-in-situ frame-type overhead station, wherein by by track girder and track beam slab integrated molding, so that track Beam and track beam slab form unified beaer, and the setting height of overhead station is effectively reduced, shortens the construction period of overhead station, Reduce construction, the maintenance cost of overhead station.

To achieve the above object, the utility model provides a kind of combined highway and metro integral cast-in-situ frame-type overhead station, including Supercrust, station hall layer, rail layer and the highway layer set gradually from the bottom to top, which is characterized in that

The station hall layer is separated with the rail layer with longitudinally disposed track beam slab is corresponding, and the track beam slab is with more The corresponding support of the rail layer support unit of a longitudinally spaced setting；

The rail layer support unit includes two track girder bridge piers of laterally spaced certain distance setting, the track The bottom of beam bridge pier is correspondingly arranged on the top surface of the station hall layer, top with the track beam slab fixed setting and integrally at Type, and the track girder is correspondingly embedded in the track beam slab, and unifies cast-in-place molding, i.e., the described track girder, the rail with it Road beam slab and track girder bridge pier integral cast-in-situ molding, and form unified beaer.

The track girder bridge pier in the station hall layer is set at equal intervals along longitudinal direction as a further improvement of the utility model, It sets.

Correspond to the interval between the two track girder bridge piers of arrangement along longitudinal direction as a further improvement of the utility model, For 12m.

The thickness of the track beam slab, which is greater than in rail layer, as a further improvement of the utility model, is arranged box track The thickness of track beam slab when beam adds the form of support, the track beam slab with a thickness of 400mm.

The two sides of the track girder are respectively arranged with platform beam slab, the station as a further improvement of the utility model, The height of platform beam slab is corresponding with the track girder upper rail car door bottom of vehicle concordant.

The two sides of the track girder are longitudinally spaced respectively as a further improvement of the utility model, is provided with highway bridge Bridge pier, and correspondence is provided with highway bridge bent cap and highway bridge box beam at the top of the bridge pier of highway bridge, forms the overhead station The highway layer at top, with current for road vehicle.

The station hall layer includes the subway concourse being set to below the track beam slab as a further improvement of the utility model, Layer beam slab, separates between the station hall layer beam slab and the track girder beam slab by the way that the track girder bridge pier is corresponding, and the station The basic bridge pier of certain altitude is correspondingly arranged between the bottom surface and ground of Room layer beam slab.

Above-mentioned improved technology feature can be combined with each other as long as they do not conflict with each other.

In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following Beneficial effect:

(1) the combined highway and metro integral cast-in-situ frame-type overhead station of the utility model, by corresponding by track girder, track Beam slab and track girder bridge pier are integrally formed, and track girder, track beam slab and track girder bridge pier is not only made to form unified beaer, The force stability of overhead station is improved, and also reduces the height of overhead station middle orbit layer, simplifies the work of construction Sequence reduces the setting height of overhead station, effectively improves the construction efficiency of overhead station, reduces overhead station and its week The setup cost of side auxiliary facility；

(2) the combined highway and metro integral cast-in-situ frame-type overhead station of the utility model, by being correspondingly arranged guideway beam The setting spacing of pier and the corresponding thickness for increasing track beam slab, have and improve combined highway and metro integral cast-in-situ frame-type overhead station Force stability, it is ensured that the safety in utilization and service life of overhead station reduce the repair and maintenance cost of overhead station, And under the premise of track girder and track beam slab integral cast-in-situ are constructed, the construction period of overhead station does not increase, instead greatly Width shortens, and ensure that the rapid construction of overhead station and puts into effect in time；

(3) the combined highway and metro integral cast-in-situ frame-type overhead station of the utility model, by by track girder and track girder The construction of plate integral cast-in-situ effectively prevents traditional box beam+support so that being combined closely between track girder and track beam slab as entirety The structural joint or deformation joint being likely to occur in work progress, reduce the gap between beam-plate, greatly improve rail layer Waterproof performance reduces the repair and maintenance cost of overhead station, promotes the service life of overhead station；

(4) the combined highway and metro integral cast-in-situ frame-type overhead station of the utility model, structure is simple, and construction method is just Victory can effectively promote the construction efficiency of overhead station, promote the waterproof performance of rail layer, reduce setting for rail layer and overhead station Height is set, the construction cost and repair and maintenance cost of overhead station are reduced, there is preferable application and popularization value.

Detailed description of the invention

Fig. 1 is the overall structure signal of combined highway and metro integral cast-in-situ frame-type overhead station in the utility model embodiment Figure；

Fig. 2 is the structure arrangement schematic diagram of combined highway and metro overhead station in the prior art；

Fig. 3 is the construction procedure figure of combined highway and metro integral cast-in-situ frame-type overhead station in the utility model embodiment；

In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. rail layers, 101. rails Road beam slab, 101a. track beam slab, 102. track girders, 102a. box track girder, 103. platform beam slabs, 103a. platform beam slab, 104. bridge pier of highway bridge, 105. supports；2. station hall layer, 201. station hall layer beam slabs, 202. track girder bridge piers；3. highway layer, 301. Highway bridge bent cap, 302. highway bridge box beams；4. supercrust, 401. load-bearing basis, 402. basic bridge piers.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.

As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it Between do not constitute conflict and can be combined with each other.

The structure of combined highway and metro integral cast-in-situ frame-type overhead station institute as shown in figure 1 in the preferred embodiment in the utility model Show, wherein overhead station has supercrust 4, station hall layer 2, rail layer 1 and the highway layer 3 set gradually from bottom to top.

And specifically, it is preferable to preferably include that load-bearing basis 401 on the ground is arranged on supercrust 4 in embodiment, it is excellent It is selected as certain size and is in the reinforced concrete structure of square block, to support in overhead station and station, traveling above station People or vehicle；Load-bearing basis 401 in preferred embodiment forms bearing unit, and hold horizontally there are two arranged for interval The longitudinally spaced position of unit is multiple again, supports overhead station with corresponding.It should be noted that " vertical documented by herein To " refer to travelled by vehicle direction along rail layer 1 and highway layer 3, correspondingly, " transverse direction " is perpendicular to travelled by vehicle direction.

Further, it is preferable to which the basic bridge of certain altitude is vertically provided on each load-bearing basis 401 in embodiment respectively Pier 402, top are vertically arranged with station hall layer beam slab 201, and the top interval certain altitude of station hall layer beam slab 201 is set along longitudinal direction It is equipped with track beam slab 101, track girder bridge pier 202 is correspondingly arranged between station hall layer beam slab 201 and track beam slab 101；Further Ground, track girder bridge pier 202 are preferably coaxially disposed with basic bridge pier 402, as shown in fig. 1.

Further, the middle part of track beam slab 101 is correspondingly arranged on track girder 102 along longitudinal direction, in rail layer 1 Train traveling, track girder 102 and track beam slab 101, the unified pouring molding of track girder bridge pier 202 in preferred embodiment, so that Obtaining track girder 102 and track beam slab 101 becomes overall structure, forms unified beaer.

And the setting structure in rail layer and the setting in the preferred embodiment in the utility model middle orbit layer in the prior art Structure has biggish difference, as shown in Figure 2, wherein connection is not fixed between track girder and track beam slab, track girder is Box track girder 102a with certain altitude, is vertically arranged with rail at the top of box beam, and box track girder 102a and rail It is correspondingly arranged on support 105 between road beam slab 101a, by the corresponding support box track girder 102a of support 105 and will be on track girder Load is transmitted on track beam slab 101a；Accordingly, need first to construct box track girder 102a structure below in the prior art, That is the construction of track beam slab 101a, is correspondingly arranged support 105 on track beam slab 101a again later, then corresponds to formwork again and pours Box track girder 102a, the platform beam slab 103a for track beam sides of constructing again after completing.

Further, it is preferable to which the middle part of track beam slab 101 is arranged in embodiment middle orbit beam 102, with track beam slab 101 Reinforcing bar be correspondingly connected with after uniformly pour as overall structure, the track of rail train is then correspondingly arranged on track girder 102；Into One step is respectively arranged on the track beam slab of track two sides platform beam slab 103, setting height and the column that run on track Vehicle car door is adapted, and to meet after train rests in overhead station, passenger's getting on the bus or getting off.By by track girder 102 with Track beam slab 101 is cast-in-place to be fixed as one, and can effectively reduce the height that original box track girder 102a is occupied, and reduces rail layer 1 Layer it is high, and then reduce the height of overhead station, the construction cost of overhead station not only can be effectively reduced, moreover it is possible to a certain degree The urban landscape of upper beautification overhead station.Meanwhile the cancellation of box track girder 102a and support 105 also can effectively reduce Liang Yuche It stands existing gap between component, such as deformation joint, structural joint, effectively promotes the waterproof performance and stable structure of overhead station Property.

It further, is the structural stability for guaranteeing 1 bottom plate of rail layer after track girder 102 and track beam slab 101 consolidate, it is excellent It selects the guideway beam pier stud of the span of embodiment middle orbit beam 102 and station longitudinal direction across consistent, and can further preferably use 12m Column across that is, track girder 102 is the continuous beam on many supports consolidated with station structure.And in the prior art, i.e., it is set in rail layer The combining form of box track girder 102a+ support 105 is set, the setting span of box track girder 102a is generally with section column across (25 ~30m) unanimously, in contrast, the setting quantity of the track girder bridge pier 202 in this preferred embodiment can increase to a certain degree, it can Construction period can be had an impact；But since track girder 102 and track beam slab 101 are integrally formed, without carrying out multiple working procedure Section construction substantially reduces the construction period of overhead station rail layer 1, can often save the duration 20~30 days, have Effect shortens the duration, has saved cost.

In addition, the thickness of this preferred embodiment middle orbit beam slab 101 needs compared with track beam slab 101a in the prior art It to thicken to a certain degree, to meet the stability of structure stress, thickness can further preferably thicken 400mm；Although track girder The thickness of plate 101 increased, but due to track girder 102 and the integrated cast-in-place construction of track beam slab 101, so that rail layer 1 Construction period will not increase accordingly, and even if the thickness of track beam slab 101 thickeies to a certain extent, but the size thickeied is remote Lower than the height of box track girder 102a, therefore, 1 height of rail layer of overhead station is far below existing skill in this preferred embodiment The track layer height of overhead station in art.

It is further preferred that being provided with highway layer 3 above preferred embodiment middle orbit layer 1, it is preferably and existing that form is set There is the setting form in technology identical, as shown in Figures 1 and 2, wherein to first pass through vertically arranged one on track beam slab 101 The bridge pier of highway bridge 104 for determining height, in the 104 longitudinally disposed highway bridge bent cap 301 in top of bridge pier of highway bridge, and in highway bridge lid It is correspondingly arranged highway bridge box beam 302 on beam 301, then forms the road surface of highway communication in the top surface of highway bridge box beam 302, realizes The corresponding construction of highway layer 3, on the basis of rail layer 1 highly reduces, the highway pavement height of highway layer 3 is significantly less than existing The height of overhead station top highway pavement in technology.

In conclusion the construction of the preferred embodiment in the utility model middle orbit layer 1 can not only effectively shorten rail layer 1 or even The construction period of overhead station also can effectively reduce the setting height of rail layer 1 or even overhead station, reduce construction cost and height The bridge floor height of municipal road bridge at the top of unwheeling station, to reduce the setting height of overhead station periphery auxiliary facility, further Reduce the setup cost of overhead station.

Further, it is preferable to which the combined highway and metro integral cast-in-situ frame-type overhead station in embodiment preferably passes through such as Fig. 3 Shown in step construct, step is preferably as follows:

S1: carrying out the corresponding construction on the load-bearing basis 401 on ground, along longitudinal direction corresponding interval setting multiple groups bearing unit, Then vertically arranged basic bridge pier 402 is distinguished on each load-bearing basis 401；

S2: in the corresponding construction station hall layer 2 in the top of basic bridge pier 402, the station hall layer beam of supercrust 4 and station hall layer 2 is formed Plate 201；

S3: being correspondingly arranged the reinforcing bar of track girder bridge pier 202 and track beam slab 101 on station hall layer beam slab 201, and corresponding to will The binding corresponding with the bar construction of track beam slab 101 of the bar construction of track girder 102, forms framework of steel reinforcement, then by track girder 202 integrated molding of plate 101, track girder 102 and track girder bridge pier, forms the station hall layer 2 of overhead station；

S4: vertically arranged platform beam slab 103 and bridge pier of highway bridge 104 are corresponded on track beam slab 101, and corresponding in highway Highway bridge bent cap 301 and highway bridge box beam 302 are set on bridge bridge pier 104, form the rail layer 1 and highway layer 3 of overhead station.

Combined highway and metro integral cast-in-situ frame-type overhead station in the preferred embodiment in the utility model, by by track girder, Track beam slab, track girder bridge pier unify disposal molding, are preferably provided with the thickness of track beam slab and the interval of track girder bridge section, Under the premise of overhead station structural stability is effectively ensured, the construction period of overhead station is effectively shortened, overhead vehicle is improved The construction efficiency stood, reduces the construction cost of overhead station, and effectively reduces rail layer, overhead station and periphery with being arranged The setting height applied, further reduced the setup cost of overhead station, along with the unification of track girder and track beam slab is cast-in-place So that deformation joint, structural joint in rail layer greatly reduce, effective waterproof performance for promoting rail layer reduces overhead station for molding Repair and maintenance cost, promote the service life in overhead tunnel.

As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of combined highway and metro integral cast-in-situ frame-type overhead station, including set gradually from the bottom to top supercrust, station hall layer, Rail layer and highway layer, which is characterized in that

The station hall layer is separated with the rail layer with longitudinally disposed track beam slab is corresponding, and the track beam slab is with multiple edges The corresponding support of the rail layer support unit of longitudinal gap setting；

The rail layer support unit includes two track girder bridge piers of laterally spaced certain distance setting, the guideway beam The bottom of pier is correspondingly arranged on the top surface of the station hall layer, and top is fixedly installed and is integrally formed with the track beam slab, And the track girder is correspondingly embedded in the track beam slab, and unifies cast-in-place molding, i.e., the described track girder, the track girder with it Plate and track girder bridge pier integral cast-in-situ molding, and form unified beaer.

2. combined highway and metro integral cast-in-situ frame-type overhead station according to claim 1, wherein the institute in the station hall layer Track girder bridge pier is stated to be arranged at equal intervals along longitudinal direction.

3. combined highway and metro integral cast-in-situ frame-type overhead station according to claim 2, wherein correspond to arrangement along longitudinal direction 12m is divided between the two track girder bridge piers.

4. combined highway and metro integral cast-in-situ frame-type overhead station described in any one of claim 1 to 3, wherein described The thickness of track beam slab is greater than the thickness of track beam slab when setting box track girder adds the form of support in rail layer, the track Beam slab with a thickness of 400mm.

5. combined highway and metro integral cast-in-situ frame-type overhead station described in any one of claim 1 to 3, wherein described The two sides of track girder are respectively arranged with platform beam slab, the car door bottom of the height of the platform beam slab and track girder upper rail vehicle Portion is corresponding concordant.

6. combined highway and metro integral cast-in-situ frame-type overhead station described in any one of claim 1 to 3, wherein described The two sides of track girder are longitudinally spaced respectively to be provided with bridge pier of highway bridge, and correspondence is provided with public affairs at the top of the bridge pier of highway bridge Road and bridge bent cap and highway bridge box beam, form the highway layer at the top of the overhead station, with current for road vehicle.

7. combined highway and metro integral cast-in-situ frame-type overhead station described in any one of claim 1 to 3, wherein described Station hall layer includes the station hall layer beam slab being set to below the track beam slab, the station hall layer beam slab and the track girder beam slab it Between separated by track girder bridge pier correspondence, and be correspondingly arranged on certain height between the bottom surface and ground of the station hall layer beam slab The basic bridge pier of degree.