CN111691454A - Subway station and bridge co-construction structure and construction method - Google Patents
Subway station and bridge co-construction structure and construction method Download PDFInfo
- Publication number
- CN111691454A CN111691454A CN202010425680.7A CN202010425680A CN111691454A CN 111691454 A CN111691454 A CN 111691454A CN 202010425680 A CN202010425680 A CN 202010425680A CN 111691454 A CN111691454 A CN 111691454A
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- bridge
- construction
- station
- pile foundation
- bearing platform
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
Abstract
The invention relates to the technical field of subway stations and bridge construction, and discloses a subway station and bridge co-construction structure and a construction method. The co-construction column is arranged in the station main body structure and also serves as a bridge pile foundation and a station column, the co-construction bearing platform is arranged at the upper end of the co-construction column and also serves as a bridge bearing platform and a station main body structure top plate, and the bridge pier at one side of the bridge structure is supported on the co-construction bearing platform, so that the urban rail transit engineering and the municipal road rapid reconstruction engineering are overlapped, the surrounding land blocks along the line are prevented from being damaged by invasion, the urban road space resources are saved, the subway station and the bridge can be constructed independently, and the respective construction time sequence and the construction period are not influenced.
Description
Technical Field
The invention relates to the technical field of subway stations and bridge construction, in particular to a subway station and bridge co-construction structure and a construction method.
Background
At present, for solving the problem of urban traffic jam, municipal road engineering is rapidly transformed on urban roads, three-dimensional traffic is realized by constructing municipal bridges and tunnels, traffic light limitation of plane intersections is avoided, and the traffic efficiency of municipal road vehicles is improved. However, this modification also faces the following problems in practical applications:
when the urban rail transit line and the municipal road rapid reconstruction project are on the same urban road, due to the fact that the width of the urban road is limited, if the urban rail transit line and the municipal road rapid reconstruction project are completely avoided, the problems that the urban rail transit line invades a surrounding land along the line, the development and use values of the surrounding land along the line are damaged, the urban attractiveness is affected, urban noise is increased and the like are caused inevitably.
If the planes of the urban rail transit engineering and the municipal road rapid transformation engineering are overlapped as close as possible, and the construction range is controlled in the red line of the urban road, the influence on the land along the line can be avoided. However, in this case, if the co-construction is not considered, if the bridge is built first and the subway is built again, the pile foundation of the bridge needs to be underpinned or dismantled for reconstruction, so that the construction risk and the engineering cost are increased; if the subway is built firstly and the bridge is built later, a large number of large-span transverse portal piers need to be arranged to avoid the built subway line, the influence of construction on the built subway is reduced, potential risks are brought to the operation subway, the engineering cost is increased, and the portal piers influence the urban landscape. If the co-construction is considered, the design consideration can be integrated, the engineering waste is avoided, the construction risk and the construction difficulty are reduced, and the problems are avoided. However, due to the temporality and rapidity of the municipal road rapid transformation project, the municipal road rapid transformation project and the urban rail transit project are difficult to unify in construction time sequence and construction period, namely, the construction time sequence and the construction period of the respective projects conflict with each other.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a subway station and bridge co-construction structure and a construction method, which realize the overlapping of urban rail transit engineering and municipal road rapid transformation engineering, avoid the invasion and damage of surrounding plots along the line, and simultaneously do not influence the respective construction time sequence and construction period.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a subway station constructs structure altogether with bridge, includes station major structure and bridge structures, the inside vertical post of building altogether that is equipped with of station major structure, the upper end of building the post altogether stretches out station major structure's roof and support have the cushion cap of building altogether, the upper end of building the cushion cap altogether supports the pier of bridge structures one side.
Preferably, a co-construction pile foundation is arranged below the station main body structure, and the lower end of the co-construction column is supported on the co-construction pile foundation.
Preferably, the co-constructed columns are in a two-column and multi-row matrix arrangement structure, and the co-constructed columns are made of steel pipe columns.
Preferably, four or six co-construction columns are supported at the lower end of each co-construction bearing platform and are arranged in a matrix manner.
Preferably, the bridge structure comprises a bridge pile foundation, and the upper end of the bridge pile foundation supports a pier on the other side of the bridge structure.
Preferably, a bridge bearing platform is arranged between the bridge pile foundation and the bridge pier.
Preferably, an enclosure is provided adjacent to a side wall of the station main structure.
A construction method of a subway station and bridge co-construction structure comprises the following steps:
arranging the positions and ranges of public areas or equipment areas in a station main body structure of a subway underground station, and determining the number and the arrangement positions of co-constructed columns in the public areas or the equipment areas;
arranging a co-construction pile foundation below the arrangement position of the co-construction column;
arranging a co-construction column on the co-construction pile foundation;
arranging a co-construction bearing platform at the upper end of the co-construction column;
constructing a subway station or a bridge structure;
preferably, before the construction of the main station structure, the building envelope is constructed, and then the main station structure is constructed by adopting a cover-excavation top-down construction method.
Preferably, the bridge structure construction comprises the following steps:
arranging a pier at one side of the bridge structure on the co-construction bearing platform;
arranging a bridge pile foundation, and arranging a bridge bearing platform on the bridge pile foundation;
arranging a pier on the other side of the bridge structure on the bridge bearing platform;
and constructing a bridge body between the piers on the two sides.
Compared with the prior art, the subway station and bridge co-construction structure and the construction method provided by the invention have the beneficial effects that: through the inside at station major structure sets up to build the post altogether and act as bridge pile foundation and station post, through the upper end setting at building the post altogether and build the cushion cap concurrently and act as bridge cushion cap and station major structure roof, support the pier of bridge construction one side on the cushion cap altogether simultaneously, the overlapping of city track traffic engineering and municipal road rapid transformation engineering has not only been realized, the peripheral landmass along the line has been avoided destroying in the invasion, city road space resources have been saved, subway station and bridge can be under construction separately, do not influence construction chronogenesis and time limit for a project separately. The invention has simple structure, good use effect and easy popularization and use.
Drawings
Fig. 1 is a cross-sectional view of a subway station and bridge co-construction structure of the present invention.
Fig. 2 is a top view of the subway station and bridge co-construction structure of the present invention installed in a public area.
Fig. 3 is a top view of the subway station and bridge co-construction structure of the present invention installed in an equipment area.
Wherein: 1-station main body structure, 2-bridge structure, 3-co-construction columns, 4-co-construction bearing platforms, 5-co-construction pile foundations, 6-bridge pile foundations, 7-bridge bearing platforms, 8-enclosure structure and 9-bridge piers.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a subway station and bridge co-construction structure according to a preferred embodiment of the present invention includes a station main body structure 1 and a bridge structure 2, wherein a co-construction column 3 is vertically disposed inside the station main body structure 1, an upper end of the co-construction column 3 extends out of a top plate of the station main body structure 1 and supports a co-construction bearing platform 4, and an upper end of the co-construction bearing platform 4 supports a pier 9 on one side of the bridge structure 2.
Subway station and bridge are built structure altogether based on above-mentioned technical characteristics, through setting up 3 double as bridge pile foundations and station post of building altogether at station major structure 1's inside, through setting up 4 double as bridge cushion caps and station major structure roof of building altogether at 3 upper ends of building altogether, support pier 9 of 2 one sides of bridge structure on 4 building altogether, the overlap of urban rail transit engineering and municipal road rapid transformation engineering has not only been realized, avoided invading and destroyed peripheral landmass along the line, urban road space resources have been saved, and subway station and bridge can be under construction separately, do not influence construction chronogenesis and time limit for a project separately. The invention has simple structure, good use effect and easy popularization and use.
In this embodiment, the below of station major structure 1 is equipped with and builds pile foundation 5 altogether, the lower extreme of building post 3 altogether supports in build pile foundation 5 altogether on. The co-construction pile foundation 5 has the functions of being used as a bridge pile foundation and an uplift pile at the bottom of a station main body structure, and the type, the diameter, the length and the reinforcing bars of the co-construction pile foundation 5 need to meet the requirements of structural design specifications. For example: a drilled pile foundation with the diameter of 3m is adopted, and the pile length is 12 m.
In addition, the design size, the reinforcing bars and the protection of the co-construction bearing platform 4 need to meet the requirements of structural design specifications. For example: the common building bearing platform 4 in the public area is 10.8m (length) × 9.3m (width) × 3.0m (height), the common building bearing platform 4 in the equipment area is 11.0m (length) × 8.5m (width) × 2.5m (height), a wrapping layer (not marked in the figure) is arranged on the outer side of the common building bearing platform 4, the wrapping layer is made of C15 plain concrete, the thickness of the wrapping layer is 500mm, and the common building bearing platform 4 can be prevented from being rusted due to long time.
In this embodiment, subway station constructs the structure with the bridge altogether includes bridge pile foundation 6, bridge pile foundation 6's upper end is supported bridge pier 9 of 2 opposite sides of bridge construction, simultaneously, bridge pile foundation 6 with be equipped with bridge cushion cap 7 between the bridge pier 9. The sizes, the lengths and the reinforcing bars of the bridge bearing platform 7 and the bridge pile foundation 6 need to meet the requirements of bridge structure stress and design specifications.
In addition, a building envelope 8 is arranged on the side wall close to the station main body framework 1, the distance between the bridge pile foundation 6 and the building envelope 8 needs to meet a certain construction safety distance requirement, for example, the clear distance between planes is more than 3 meters, and the distance below the bottom of the building envelope 8, where the bottom of the bridge pile foundation 6 longitudinally penetrates into the closer side, needs to meet a certain construction safety distance requirement, for example, the distance below the bottom of the building envelope 8 longitudinally penetrates into the bottom of the building envelope 8 is more than 3 meters.
It should be noted that the subway station and bridge co-construction structure provided by the application can be applied to public areas and also can be applied to equipment areas, and the main difference of the structure is mainly embodied on co-construction columns, specifically:
in this embodiment, the co-constructed column 3 is a two-column and multi-row matrix arrangement structure, and the co-constructed column 3 is made of a steel pipe column, which may be a round steel pipe column or a square steel pipe column, and adopts a round steel pipe column in the equipment area and a square steel pipe column in the public area. The square steel pipe column is adopted in the public area, so that the structure safety can be ensured, and the influence on the function of the public area can be reduced as much as possible. During actual manufacturing, four or six co-construction columns 3 are supported at the lower end of each co-construction bearing platform 4, and the four or six co-construction columns 3 are all arranged in a rectangular array mode. If the common building support is arranged in a common area, four common building columns 3 are supported at the lower end of each common building bearing platform 4, and the four common building columns 3 are arranged symmetrically in pairs; if set up in the equipment area, then build the quantity of post 3 altogether and be 6, 6 build the post altogether and be one for every 3, two be listed as build the symmetry between the post 3 altogether and set up, every row build equidistant setting between the post altogether to ensure build the stability of cushion cap 4 altogether, thereby improve the stability of structure. Meanwhile, the number, span and position of the co-constructed columns 3 need to meet the subway design specification requirements, for example, when the co-constructed columns are arranged in a public area, 4 square steel pipe columns of 2.0 × 0.8m are adopted in the co-constructed column 3 structure, the wall thickness is 22mm, 22mm steel plates are arranged inside the vertical columns in the long side direction, the distance between two columns is 6.5m, and the distance between two rows is 6.0 m. When the equipment area is set, 6 steel pipe columns with the diameter of 800mm and the wall thickness of 20mm are adopted, the distance between two rows is 6.5m, and the distance between every two rows is 4.5 m.
In order to solve the technical problem, the application also provides a construction method of the subway station and bridge co-construction structure, which comprises the following steps:
the positions and the ranges of public areas or equipment areas are arranged in a station main body structure 1 of a subway underground station, and the number and the arrangement positions of the co-construction columns 3 in the public areas or the equipment areas are determined. Before the construction of the station main body structure 1, firstly constructing an enclosure structure 8, and then constructing the station main body structure 1 by adopting a cover-excavation reverse construction method;
the below that 3 post of building together set up the position sets up the pile foundation 5 of building together, the pile foundation 5 of building together doubles the function of bridge pile foundation and station major structure bottom uplift pile, the type, diameter, length and the arrangement of reinforcement of the pile foundation 5 of building together need satisfy structural design standard requirement. For example: adopting a drilled pile foundation with the diameter of 3m and the pile length of 12 m;
and arranging a co-construction column 3 on the co-construction pile foundation 5. The utility model provides a subway station constructs structure altogether with bridge can use in public district, also can use in the equipment district, and the main difference of its structure mainly embodies on the post is built altogether, specifically:
the co-constructed column 3 is of a two-column multi-row matrix arrangement structure, the co-constructed column 3 is made of steel pipe columns, can be round steel pipe columns or square steel pipe columns, adopts round steel pipe columns in an equipment area, and adopts square steel pipe columns in a public area. The square steel pipe column is adopted in the public area, so that the structure safety can be ensured, and the influence on the function of the public area can be reduced as much as possible. During actual manufacturing, four or six co-construction columns 3 are supported at the lower end of each co-construction bearing platform 4, and the four or six co-construction columns 3 are all arranged in a rectangular array mode. If the common building support is arranged in a common area, four common building columns 3 are supported at the lower end of each common building bearing platform 4, and the four common building columns 3 are arranged symmetrically in pairs; if set up in the equipment area, then build the quantity of post 3 altogether and be 6, 6 build the post altogether and be one for every 3, two be listed as build the symmetry between the post 3 altogether and set up, every row build equidistant setting between the post altogether to ensure build the stability of cushion cap 4 altogether, thereby improve the stability of structure. Meanwhile, the number, span and position of the co-constructed columns 3 need to meet the subway design specification requirements, for example, when the co-constructed columns are arranged in a public area, 4 square steel pipe columns of 2.0 × 0.8m are adopted in the co-constructed column 3 structure, the wall thickness is 22mm, 22mm steel plates are arranged inside the vertical columns in the long side direction, the distance between two columns is 6.5m, and the distance between two rows is 6.0 m. When the equipment area is set, 6 steel pipe columns with the diameter of 800mm and the wall thickness of 20mm are adopted, the distance between two rows is 6.5m, and the distance between every two rows is 4.5 m;
the upper end of the co-construction column 3 is provided with a co-construction bearing platform 4, and the design size, the reinforcement arrangement and the protection of the co-construction bearing platform 4 need to meet the requirements of structural design specifications. For example: the sizes of the co-construction bearing platforms 4 in the public area are 10.8m (length) × 9.3m (width) × 3.0m (height), the sizes of the co-construction bearing platforms 4 in the equipment area are 11.0m (length) × 8.5m (width) × 2.5m (height), the outer sides of the co-construction bearing platforms 4 are provided with wrapping layers (not marked in the figure), the wrapping layers are made of C15 plain concrete, the thickness of the wrapping layers is 500mm, and the co-construction bearing platforms 4 can be prevented from being rusted due to long time;
a subway station or bridge structure 2 is constructed. After the co-construction part is built, the co-construction part can be respectively built or simultaneously built according to the respective construction time sequence or construction period of the subway station and the bridge, and the respective construction time sequence and construction period are not influenced.
The construction of the bridge structure 2 comprises the following steps:
arranging a pier 9 at one side of the bridge structure 2 on the co-construction bearing platform 4;
and arranging a bridge pile foundation 6, and arranging a bridge bearing platform 7 on the bridge pile foundation 6. The sizes, the lengths and the reinforcing bars of the bridge bearing platform 7 and the bridge pile foundation 6 need to meet the requirements of bridge structure stress and design specifications.
In addition, the distance between the bridge pile foundation 6 and the enclosure structure 8 needs to meet a certain construction safety distance requirement, for example, the clear distance between planes is more than 3 meters, and the distance below the bottom of the enclosure structure 8, where the bottom of the bridge pile foundation 6 longitudinally extends into the closer side, needs to meet a certain construction safety distance requirement, for example, the bottom of the enclosure structure 8 longitudinally extends into the more than 3 meters;
arranging a pier 9 at the other side of the bridge structure on the bridge bearing platform 7;
and constructing a bridge body between the piers 9 at the two sides to finish the construction of the bridge structure 2.
The subway station and bridge co-construction structure built by the method has the advantages that the co-construction columns 3 are arranged in the station main body structure 1 and are used as the bridge pile foundation and the station column, the co-construction bearing platforms 4 are arranged at the upper ends of the co-construction columns 3 and are used as the bridge bearing platform and the station main body structure top plate, and the piers 9 on one side of the bridge structure 2 are supported on the co-construction bearing platforms 4, so that the urban rail transit engineering and the municipal road rapid reconstruction engineering are overlapped, the phenomenon that surrounding land blocks along the line are damaged by invasion is avoided, and urban road space resource resources are saved
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a subway station constructs structure altogether with bridge which characterized in that: including station major structure and bridge structures, the inside of station major structure is vertical to be equipped with and builds the post altogether, the upper end of building the post altogether stretches out station major structure's roof and support have and build the cushion cap altogether, the upper end of building the cushion cap altogether supports the pier of bridge structures one side.
2. The subway station and bridge co-construction structure as claimed in claim 1, wherein: the station is characterized in that a co-construction pile foundation is arranged below the main structure of the station, and the lower end of the co-construction column is supported on the co-construction pile foundation.
3. The subway station and bridge co-construction structure as claimed in claim 1, wherein: the co-constructed columns are of a two-column multi-row matrix arrangement structure, and are made of steel pipe columns.
4. The subway station and bridge co-construction structure as claimed in claim 3, wherein: the lower end of each co-construction bearing platform is supported with four or six co-construction columns which are all arranged in a rectangular array mode.
5. The subway station and bridge co-construction structure as claimed in claim 1, wherein: the bridge structure comprises a bridge pile foundation, wherein the upper end of the bridge pile foundation supports a pier on the other side of the bridge structure.
6. The subway station and bridge co-construction structure as claimed in claim 5, wherein: and a bridge bearing platform is arranged between the bridge pile foundation and the bridge pier.
7. The subway station and bridge co-construction structure as claimed in any one of claims 1-6, wherein: and an enclosure structure is arranged on the side wall close to the station main body structure.
8. A construction method of a subway station and bridge co-construction structure based on any one of claims 1 to 7, characterized in that: the method comprises the following steps:
arranging the positions and ranges of public areas or equipment areas in a station main body structure of a subway underground station, and determining the number and the arrangement positions of co-constructed columns in the public areas or the equipment areas;
arranging a co-construction pile foundation below the arrangement position of the co-construction column;
arranging a co-construction column on the co-construction pile foundation;
arranging a co-construction bearing platform at the upper end of the co-construction column;
and (5) constructing a subway station or a bridge structure.
9. The construction method of the subway station and bridge co-construction structure as claimed in claim 8, wherein: before the construction of the main station structure, the building envelope is constructed, and then the main station structure is constructed by adopting a cover-excavation top-down construction method.
10. The construction method of the subway station and bridge co-construction structure as claimed in claim 8, wherein: the bridge structure construction comprises the following steps:
arranging a pier at one side of the bridge structure on the co-construction bearing platform;
arranging a bridge pile foundation, and arranging a bridge bearing platform on the bridge pile foundation;
arranging a pier on the other side of the bridge structure on the bridge bearing platform;
and constructing a bridge body between the piers on the two sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010425680.7A CN111691454A (en) | 2020-05-19 | 2020-05-19 | Subway station and bridge co-construction structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010425680.7A CN111691454A (en) | 2020-05-19 | 2020-05-19 | Subway station and bridge co-construction structure and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376611A (en) * | 2020-11-10 | 2021-02-19 | 北京城建道桥建设集团有限公司 | Construction method of separated overpass system |
| CN114000540A (en) * | 2021-12-08 | 2022-02-01 | 北京市市政四建设工程有限责任公司 | Ramp bridge combined supporting system constructed in parallel with underground complex and construction method |
| CN114108641A (en) * | 2021-12-08 | 2022-03-01 | 北京市市政四建设工程有限责任公司 | Construction method for common foundation pit of bridge bearing platform and underground structure |
| CN114108642A (en) * | 2021-12-08 | 2022-03-01 | 北京市市政四建设工程有限责任公司 | Ramp bridge and underground complex structure parallel construction method |
-
2020
- 2020-05-19 CN CN202010425680.7A patent/CN111691454A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376611A (en) * | 2020-11-10 | 2021-02-19 | 北京城建道桥建设集团有限公司 | Construction method of separated overpass system |
| CN114000540A (en) * | 2021-12-08 | 2022-02-01 | 北京市市政四建设工程有限责任公司 | Ramp bridge combined supporting system constructed in parallel with underground complex and construction method |
| CN114108641A (en) * | 2021-12-08 | 2022-03-01 | 北京市市政四建设工程有限责任公司 | Construction method for common foundation pit of bridge bearing platform and underground structure |
| CN114108642A (en) * | 2021-12-08 | 2022-03-01 | 北京市市政四建设工程有限责任公司 | Ramp bridge and underground complex structure parallel construction method |
| CN114000540B (en) * | 2021-12-08 | 2024-01-19 | 北京市市政四建设工程有限责任公司 | Ramp bridge combined support system built in parallel with underground complex and building method |
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