CN212742626U - Track panel well supporting structure of prefabricated steel buttress - Google Patents

Track panel well supporting structure of prefabricated steel buttress Download PDF

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Publication number
CN212742626U
CN212742626U CN202020368033.2U CN202020368033U CN212742626U CN 212742626 U CN212742626 U CN 212742626U CN 202020368033 U CN202020368033 U CN 202020368033U CN 212742626 U CN212742626 U CN 212742626U
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China
Prior art keywords
station
prefabricated steel
plate
steel buttress
buttress
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CN202020368033.2U
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Chinese (zh)
Inventor
赵峰
刘生平
赖鹏邦
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Guangzhou Metro Design and Research Institute Co Ltd
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Guangzhou Metro Design and Research Institute Co Ltd
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Abstract

The utility model relates to the technical field of urban rail transit building, and discloses a track panel well supporting structure of prefabricated steel buttress, which comprises a station top plate, a station middle plate, a station bottom plate, a side wall, a first prefabricated steel buttress and a second prefabricated steel buttress, wherein the first prefabricated steel buttress and the second prefabricated steel buttress are arranged on the side wall, the two ends of the first prefabricated steel buttress are respectively connected with the station middle plate and the station bottom plate, the two ends of the second prefabricated steel buttress are respectively connected with the station middle plate and the station top plate, the whole structure is simple, the structural strength of the track panel well is enhanced by arranging the steel buttress inside the station, the condition that external expansion supporting needs to be carried out on the outer wall of the station is avoided, and meanwhile, the construction method of the supporting structure can not cause the waste of later-stage use space, the investment is saved, and the construction speed is improved.

Description

Track panel well supporting structure of prefabricated steel buttress
Technical Field
The utility model relates to an urban rail transit building technical field especially relates to a track panel well bearing structure of prefabricated steel buttress.
Background
With the rapid development of urban rail transit, urban rail transit lines are gradually formed into a net. Urban rail transit line lays in city central area encryption, and like this, the peripheral environment of subway station is relatively poor, and the construction site is less. In the case of a fixed construction period, if the civil engineering provides conditions for later track laying, track panel wells need to be arranged as much as possible. However, due to the influence of subway station site environment, construction site, construction project planning in the early stage, and the like, the limitation of a track panel well or a station construction site is not considered in the early stage of civil engineering, and pile anchor supports or buttress stud wall structure supports (traditional supports, the outer wall of the station needs to be expanded to a certain extent) are not provided in some stations.
At present, the existing track panel well supporting technology mainly comprises the following steps: pile and anchor cable supporting schemes, buttress column and ring frame beam structure supporting schemes and the like. Pile and anchor cable supporting scheme: when the station is used for constructing the main body fender pile, the range of the rail panel well of the station is locally expanded, the anchor cable is applied in the excavation process of the foundation pit, after the main body structure of the station is completed, the main body structure of the rail panel well is prevented from being subjected to lateral water and soil pressure in the rail laying process through the supporting scheme of the pile and the anchor cable, and the structural safety is achieved. Supporting the buttress wall structure: when the station is used for constructing the fender pile, the range of the station track panel well is locally expanded, when a main structure of the station is constructed, the structure is built according to the expanded contour, and the buttress column and the ring frame beam are synchronously constructed, so that the structural system of the buttress column and the ring frame beam supports and blocks the water and soil pressure of the side surface, and the stress requirement of the main structure of the station in the track laying process is met. The pile + anchor rope scheme needs to expand outward in the track panel well scope to set up the anchor rope, require high to the surrounding environment, need have the place of executing the anchor rope, and there is a great deal of inconvenience in the later stage to peripheral underground space utilization. The supporting scheme of the buttress column and ring frame beam structure needs to be expanded outside the range of the track panel well so as to arrange the buttress column and the ring frame beam. The buttress columns and the ring frame beams not only increase investment, but also have no use in the range of the buttress columns and the ring frame beams in the later period.
SUMMERY OF THE UTILITY MODEL
The utility model provides a section of track well bearing structure and construction method of prefabricated steel buttress to solve among the prior art because of the poor anchor rope that can not set up that leads to of subway station construction environment or structure part is put outward, the engineering is planned not fully in earlier stage and need add section of track well scheduling problem.
In order to solve the technical problem, the utility model provides a track panel well supporting structure of prefabricated steel buttress, it includes station roof, station medium plate, station bottom plate, lateral wall, first prefabricated steel buttress and second prefabricated steel buttress, the both ends of station roof are connected in the lateral wall, the both ends of station medium plate are connected in the lateral wall, the both ends of station bottom plate are connected in the lateral wall; the first prefabricated steel buttress and the second prefabricated steel buttress are arranged on the side wall, two ends of the first prefabricated steel buttress are respectively connected to the station middle plate and the station bottom plate, two ends of the second prefabricated steel buttress are respectively connected to the station middle plate and the station top plate, and the first prefabricated steel buttress and the second prefabricated steel buttress are correspondingly arranged.
Preferably, the station top plate is provided with a first track panel well, the station bottom plate is provided with a second track panel well, and the first track panel well and the second track panel well are arranged correspondingly.
As a preferred scheme, the quantity of first prefabricated steel buttress is equipped with a plurality ofly, and is a plurality of first prefabricated steel buttress equidistance sets up, and is a plurality of first prefabricated steel buttress with first section of track well with the corresponding setting of second section of track well, the quantity of second prefabricated steel buttress is equipped with a plurality ofly, and is a plurality of prefabricated steel buttress equidistance sets up of second, and is a plurality of prefabricated steel buttress corresponds the setting with first section of track well with the second section of track well.
As preferred scheme, prefabricated steel buttress's section of track well bearing structure still includes steel sheet and crab-bolt, steel sheet and crab-bolt inlay uniformly and locate the lateral wall the station roof the station medium plate with the station bottom plate, just steel sheet and crab-bolt connect in prefabricated steel buttress.
The utility model provides a section of track well bearing structure of prefabricated steel buttress, bearing structure includes the station roof, the station medium plate, the station bottom plate, the lateral wall, first prefabricated steel buttress and the prefabricated steel buttress of second, first prefabricated steel buttress all sets up on the lateral wall with the prefabricated steel buttress of second, the both ends of first prefabricated steel buttress are connected respectively in station medium plate and station bottom plate, the both ends of the prefabricated steel buttress of second are connected respectively in station medium plate and station roof, overall structure is simple, through set up the steel buttress in station inside, and then the structural strength of section of track well has been strengthened, the condition of need expanding outward at the station outer wall is avoided, and simultaneously, construction method through this bearing structure, can not cause the waste of later stage usage space, and the investment is saved, and construction speed has been improved.
Drawings
Fig. 1 is one of the schematic structural diagrams of a track panel well supporting structure of a prefabricated steel buttress column according to an embodiment of the present invention;
fig. 2 is a second structural schematic view of a track panel well supporting structure of a prefabricated steel buttress column according to an embodiment of the present invention;
fig. 3 is a third structural schematic diagram of a track panel well supporting structure of a prefabricated steel buttress column according to an embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. a station roof;
2. a middle plate of a station;
3. a station floor;
4. a side wall;
51. a first prefabricated steel buttress; 52. a second prefabricated steel buttress;
6. a steel plate and an anchor bolt;
71. a first track panel well; 72. a second track panel well.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the track panel well supporting structure of prefabricated steel buttress according to the preferred embodiment of the present invention includes a station roof 1, a station middle plate 2, a station bottom plate 3, a side wall 4, a first prefabricated steel buttress 51 and a second prefabricated steel buttress 52, wherein two ends of the station roof 1 are connected to the side wall 4, two ends of the station middle plate 2 are connected to the side wall 4, and two ends of the station bottom plate 3 are connected to the side wall 4; first prefabricated steel buttress 51 and the prefabricated steel buttress 52 of second all set up on lateral wall 4, and the both ends of first prefabricated steel buttress 51 are connected respectively in station medium plate 2 and station bottom plate 3, and the both ends of the prefabricated steel buttress 52 of second are connected respectively in station medium plate 2 and station roof 1, and just first prefabricated steel buttress 51 corresponds the setting with the prefabricated steel buttress 52 of second. Overall structure is simple, through at the inside steel buttress that sets up of station, and then has strengthened the structural strength of section of track well, has avoided the condition that needs expand outward at the station outer wall and strut.
As shown in fig. 2, the station roof 1 is provided with a first track panel well 71, the station floor 3 is provided with a second track panel well 72, and the first track panel well 71 and the second track panel well 72 are correspondingly arranged.
It should be noted here that the first track panel well 71 and the second track panel well 72 are arranged to facilitate the transportation of the steel rail to the inside of the station, and meanwhile, after the station track is laid, the first track panel well 71 and the second track panel well 72 are poured and sealed, so that the station top plate 1 and the station bottom plate 3 are poured and finished, and the waste of space is avoided.
As shown in fig. 3, the number of first prefabricated steel buttress columns 51 is provided with a plurality of, and a plurality of first prefabricated steel buttress columns 51 equidistance sets up, and a plurality of first prefabricated steel buttress columns 51 correspond the setting with first section of track well 71 and second section of track well 72, and the number of second prefabricated steel buttress columns 52 is provided with a plurality of, and a plurality of second prefabricated steel buttress columns 52 equidistance sets up, and a plurality of second prefabricated steel buttress columns 52 correspond the setting with first section of track well 71 and second section of track well 72.
It should be noted here that the steel buttress columns are arranged inside the station and correspond to the track panel wells, when steel rails are transported in the station, the overall strength of the station is enhanced, the steel buttress columns can be detached after the track is laid, meanwhile, the steel buttress columns can be reused, materials are saved, and station construction investment is reduced.
Preferably, prefabricated steel buttress's section of track well bearing structure still includes steel sheet and crab-bolt 6, and steel sheet and crab-bolt 6 inlay uniformly and locate lateral wall 4, station roof 1, station medium plate 2 and station bottom plate 3, and steel sheet and crab-bolt 6 connect in prefabricated steel buttress.
It should be noted that, the bolts are used for connecting each layer of structural slab (wall), the stress is clear, the integral rigidity is higher, the integral strength of the station during construction is enhanced, the construction operation is simple and convenient, and the later-stage disassembly is convenient.
The embodiment of the utility model provides a still preferred embodiment's a track panel well bearing structure's of prefabricated steel buttress construction method, this construction method includes:
s1, carrying out foundation pit excavation, sequentially erecting supports, and sequentially excavating earthwork until the foundation pit excavation is finished;
s2, pouring the station bottom plate 3, and embedding steel plates and anchor bolts 6 on the station bottom plate 3 at equal intervals at the joint of the station bottom plate 3 and the first prefabricated steel buttress column 51;
s3, pouring the side wall 4 to the height of the subway middle plate, and embedding steel plates and anchor bolts 6 on the side wall 4 at equal intervals at the joint of the side wall 4 and the first prefabricated steel buttress column 51;
s4, connecting the first prefabricated steel buttress 51 with the station floor 3 and the sidewall 4 using bolts;
s5, pouring the station middle plate 2, embedding the steel plate and the anchor bolt 6 on the station middle plate 2 at equal intervals at the joint of the station middle plate 2 and the first prefabricated steel buttress column 51, and embedding the steel plate and the anchor bolt 6 on the station middle plate 2 at equal intervals at the joint of the station middle plate 2 and the second prefabricated steel buttress column 52;
s6, continuously pouring the side wall 4 to the height of the subway roof, and embedding steel plates and anchor bolts 6 on the side wall 4 at equal intervals at the joint of the side wall 4 and the second prefabricated steel buttress column 52;
s7, connecting the second prefabricated steel buttress column 52 with the middle plate 2 and the side wall 4 of the station by using bolts;
s8, pouring the station roof 1, and embedding steel plates and anchor bolts 6 on the station roof 1 at equal intervals at the joint of the station roof 1 and the second prefabricated steel buttress column 52;
s9, connecting the first prefabricated steel buttress column 51 with the station middle plate 2 by using bolts, and connecting the second prefabricated steel buttress column 52 with the station roof plate 1;
s10, after the track is laid, pouring the first track panel well 71 and the second track panel well 72 by using micro-expansion concrete, and finishing the post-pouring process of the middle plate 2 and the top plate 1 of the station;
s11, after the strength of the track panel well supporting structure of the prefabricated steel buttress reaches a certain degree, the first prefabricated steel buttress 51 and the second prefabricated steel buttress 52 are disassembled.
It should be noted that, in the construction method, no anchor cable is required to be arranged, and no reinforced concrete buttress column and ring frame beam structure is required to be arranged, so that materials are saved, the cost is reduced, and the construction efficiency is improved; meanwhile, a supporting structure is constructed in the station, the station structure does not need to be expanded outwards, the construction space of the station is reduced, and the construction environment is optimized.
To sum up, the embodiment of the utility model provides a prefabricated steel buttress's section of track well bearing structure and construction method, bearing structure includes the station roof, the station medium plate, the station bottom plate, a lateral wall, first prefabricated steel buttress and the prefabricated steel buttress of second, first prefabricated steel buttress all sets up on the lateral wall with the prefabricated steel buttress of second, the both ends of first prefabricated steel buttress are connected respectively in station medium plate and station bottom plate, the both ends of the prefabricated steel buttress of second are connected respectively in station medium plate and station roof, overall structure is simple, through set up the steel buttress inside the station, and then the structural strength of section of track well has been strengthened, the condition that needs expand outward at the station outer wall and strut has been avoided, and simultaneously, through this bearing structure's construction method, can not cause the waste in later stage usage space, the investment is saved, and the construction speed has been improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the counting principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (4)

1. The track panel well supporting structure of the prefabricated steel buttress is characterized by comprising a station top plate, a station middle plate, a station bottom plate, a side wall, a first prefabricated steel buttress and a second prefabricated steel buttress, wherein two ends of the station top plate are connected to the side wall, two ends of the station middle plate are connected to the side wall, and two ends of the station bottom plate are connected to the side wall;
the first prefabricated steel buttress and the second prefabricated steel buttress are arranged on the side wall, two ends of the first prefabricated steel buttress are respectively connected to the station middle plate and the station bottom plate, two ends of the second prefabricated steel buttress are respectively connected to the station middle plate and the station top plate, and the first prefabricated steel buttress and the second prefabricated steel buttress are correspondingly arranged.
2. The panel well support structure of a prefabricated steel buttress as claimed in claim 1, wherein the station roof is provided with a first panel well, the station floor is provided with a second panel well, and the first panel well and the second panel well are arranged correspondingly.
3. The panel well support structure of prefabricated steel buttresses according to claim 2, wherein there are a plurality of the first prefabricated steel buttresses, a plurality of the first prefabricated steel buttresses are equidistantly arranged, and a plurality of the first prefabricated steel buttresses are arranged corresponding to the first panel well and the second panel well, there are a plurality of the second prefabricated steel buttresses, a plurality of the second prefabricated steel buttresses are equidistantly arranged, and a plurality of the second prefabricated steel buttresses are arranged corresponding to the first panel well and the second panel well.
4. The slatted well support structure of a prefabricated steel buttress of claim 1, further comprising steel plates and anchor bolts uniformly embedded in the side walls, the station roof, the station middle plate, and the station bottom plate, and connected to the prefabricated steel buttress.
CN202020368033.2U 2020-03-20 2020-03-20 Track panel well supporting structure of prefabricated steel buttress Active CN212742626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020368033.2U CN212742626U (en) 2020-03-20 2020-03-20 Track panel well supporting structure of prefabricated steel buttress

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020368033.2U CN212742626U (en) 2020-03-20 2020-03-20 Track panel well supporting structure of prefabricated steel buttress

Publications (1)

Publication Number Publication Date
CN212742626U true CN212742626U (en) 2021-03-19

Family

ID=74985541

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020368033.2U Active CN212742626U (en) 2020-03-20 2020-03-20 Track panel well supporting structure of prefabricated steel buttress

Country Status (1)

Country Link
CN (1) CN212742626U (en)

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