CN212836935U - Three-layer double-column assembly type elevated station for rail transit - Google Patents
Three-layer double-column assembly type elevated station for rail transit Download PDFInfo
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- CN212836935U CN212836935U CN202020595445.XU CN202020595445U CN212836935U CN 212836935 U CN212836935 U CN 212836935U CN 202020595445 U CN202020595445 U CN 202020595445U CN 212836935 U CN212836935 U CN 212836935U
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Abstract
A three-layer double-column assembled elevated station for rail transit comprises a three-layer structure, wherein the first layer is an overhead layer, the second layer is a station hall layer, the third layer is a station platform layer, the overhead layer is arranged on a foundation, and supports the cantilever beam to form a double-column Pi-shaped structure, the station hall layer transverse double columns are erected on the overhead layer cantilever beam, and supports the single span cantilever beam to form a double-column Pi-shaped structure, the station hall layer longitudinal I-steel is arranged on a support on the overhead layer cantilever beam, the station platform layer track beam and the station platform beam are arranged on the station hall layer beam through the support, therefore, the utility model can conveniently realize the prefabricated assembly construction, a plurality of components can be prefabricated and processed in factories and transported to the site for assembly, the assembly construction of the whole station is completed, the influence on the existing road traffic can be reduced, and the method has good social and economic benefits and good popularization and application values.
Description
Technical Field
The utility model relates to a track traffic's technical field especially relates to a can be used for subway system, light rail system, single track system, tram, magnetism system of floating, automatic guidance track system, the quick rail system's in urban area track traffic three-layer twin columns assembled elevated station.
Background
At present, domestic rail transit project lines are often laid along roads, elevated stations are often arranged in green belts in the roads, and conventional three-layer elevated stations are often in a frame consolidation system structure. However, the conventional station with the frame consolidation system structure has the following disadvantages in the construction and use process:
the traditional consolidation system structure usually adopts a concrete structure and a construction method of cast-in-place of a support, the construction process needs to occupy long road time, the road traffic is seriously influenced, and the construction quality of cast-in-place concrete is difficult to ensure.
The station is vertical to be concrete frame roof beam component, and the station longitudinal span receives the concrete to stride across the ability restriction span less, generally adopts 12 ~ 13m span to the station is built on stilts layer upon layer and the station room layer permeability is relatively poor, and the inside and urban landscape effect of station is relatively poor.
Therefore, the designer of the utility model, in view of the above defects, through careful research and design, synthesizes the experience and achievement of long-term related industries, and researches and designs a rail transit three-layer double-column fabricated elevated station to overcome the above defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a track traffic three-layer double-column fabricated elevated station, which adopts an assembly construction method, reduces the influence on the existing road traffic, shortens the construction period and has good social benefit; the traditional column of the station hall layer is optimized, the visual effect is good, and the comfort of passengers is improved; adopt bridge type system station, the station longitudinal span can increase, improves the built on stilts layer upon layer of station and the permeability of station room layer, and inside and the city view of station are effectual.
In order to achieve the above object, the utility model discloses a rail transit three-layer twin columns assembled overhead station, three layer construction including station basis and station basis top, three layer construction contains the overhead layer on first floor, the station room layer on two layers and the platform layer of three-layer station, its characterized in that:
the station foundation adopts a pile foundation or an enlarged foundation, the overhead layer is positioned on the station foundation and is of a double-column pi-shaped structure, the double-column pi-shaped structure of the overhead layer comprises a pier column serving as a double-column component and a cantilever beam positioned at the top of the pier column, the bottom of the pier column is arranged on the station foundation, and the pier column adopts a circular section;
the station hall layer is of a double-column pi-shaped structure and comprises double columns and a single-span cantilever beam supported on the double columns, the double columns adopt circular sections, longitudinal I-beams are arranged in the station hall layer and are mounted on the cantilever beam of the overhead layer;
the station layer comprises a track beam and a station beam which are positioned on the single-span cantilever beam, wherein the track beam is a double-line large U beam, a single-line small U beam or a hollow plate beam; the platform beam is a steel box beam.
Wherein: the station foundation contains pile foundation and cushion cap when being pile foundation, the pile foundation adopts the precast pile construction, the pile foundation supports in the cushion cap for multiseriate interval arrangement.
Wherein: the cantilever beam of the overhead layer is a prestressed concrete member, the middle part between two columns of pier studs adopts a uniform cross section form, the pier parts supported by the pier studs to the end parts at two sides adopt a variable cross section form, and the beam height is gradually reduced.
Wherein: the top of the cantilever beam of the overhead layer is provided with a groove for placing longitudinal I-steel of the station hall layer.
Wherein: and a support is arranged between the longitudinal I-shaped steel of the station hall layer and the cantilever beam of the overhead layer for connection so as to form a bridge type system structure.
Wherein: the double columns of the station hall layer are two rows and are supported at the middle position of the single-span cantilever beam at intervals, the middle part of the single-span cantilever beam of the station hall layer between the double columns is in a uniform section form, the cantilever sections on the two sides are in a variable section form, and the beam height from the pivot of the double columns to the end parts of the cantilever sections on the two sides is gradually reduced.
Wherein: the bearing platform is connected with the pier column, and the pier column is connected with the cantilever beam through grouting sleeves; and the cantilever beam is connected with the double columns and the double columns are connected with the single-span cantilever beam by grouting sleeves.
Wherein: the single-span cantilever beam is connected with the platform beam through the platform beam support, and is connected with the track beam through the track beam support.
Wherein: and the longitudinal I-shaped steel of the station hall layer and the steel material of the platform beam are made of weather-resistant steel.
Wherein: the station hall layer and the station platform layer are paved with cast-in-place concrete surface layers, the station hall layer is provided with a station hall layer cast-in-place concrete panel, the station platform layer is provided with a station platform layer cast-in-place concrete panel, and the cast-in-place concrete surface layers are internally provided with reinforcing mesh pieces to increase structural integrity.
According to the above, the rail transit three-layer double-column assembly type elevated station of the present invention has the following effects:
1. the bridge type structure system is adopted, the longitudinal span of the structure is increased, the arrangement of the station hall layer columns is optimized, the structural landscape is good, and the whole station is more convenient for assembly type construction. In that
2. When the station is constructed, the assumption of a field support can be avoided, the influence on the existing road traffic is reduced, the construction period is shortened, the influence on the environment is reduced, and the construction quality can be improved.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows the transverse section of the three-layer double-column fabricated elevated station of the rail transit of the present invention.
Figure 2 shows a side view of a single truss of the present invention.
Figure 3 shows a side cross-sectional view of the present invention.
Reference numerals:
1, a station foundation; 101 pile foundation; 102 a bearing platform; 2, an overhead layer; 201 pier stud; 202 cantilever beam; 3, a station hall layer; 301 station hall double columns; 302 single span cantilever beam; 303, a support; 304 longitudinal I-steel; 305 a station hall layer cast-in-place concrete panel; 4, a platform layer is formed; 401 a track beam; 402 a platform beam; 403 platform beam support; 404 a track beam support; 405 standing a deck layer cast in place concrete panels.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
Referring to fig. 1, 2 and 3, the three-layer double-column fabricated elevated station for rail transit of the present invention is shown.
The three-layer double-column assembly type elevated vehicle station for rail transit comprises a station foundation 1 and a three-layer structure above the station foundation 1, wherein the three-layer structure comprises an overhead layer 2 at the first layer, a station hall layer 3 at the second layer and a station platform layer 4 at the third layer, the station foundation 1 can adopt a pile foundation or an enlarged foundation according to geological conditions, the station foundation can comprise a pile foundation 101 and a bearing platform 102 when an embodiment in the figure is the pile foundation, the pile foundation 101 can adopt precast pile construction, see figures 1 and 2, and the pile foundation 101 can be supported on the bearing platform 102 in a three-row interval arrangement mode.
The overhead layer 2 is located on the station foundation 1, preferably located on the bearing platform 102, and is also of a double-column pi-shaped structure, in this embodiment, the overhead layer includes two columns of piers 201 and a cantilever beam 202 located at the top of the piers 201, the bottoms of the piers are arranged on the station foundation 1, the piers 201 are circular in cross section, the cantilever beam 202 is a prestressed concrete member, the two columns of piers 201 are in an equal cross section form from the middle part, the end parts from the pier part supported by the piers 201 to the two sides are in a variable cross section form, the beam height is gradually reduced, and the top of the cantilever beam 202 is provided with a groove for placing the longitudinal i-steel 304 of the station hall layer 3.
The station hall layer 3 is of a double-column pi-shaped structure and comprises double columns 301 and a single-span cantilever beam 302 supported on the double columns, longitudinal I-beams 304 are arranged in the station hall layer, the longitudinal I-beams 304 are installed on the cantilever beams 202 of the overhead layer, and a support 303 is arranged between the longitudinal I-beams 304 of the station hall layer and the cantilever beams 202 of the overhead layer for connection, so that the structure is a bridge system structure.
The double columns 301 are two rows, both adopt circular cross sections, and are supported at the middle position of the single-span cantilever beam 302 at intervals, the middle part of the single-span cantilever beam 302 between the double columns 301 adopts an equal cross section form, the cantilever sections at two sides adopt a variable cross section form, and the beam height from the fulcrum of the double columns 301 to the end parts of the cantilever sections at two sides is gradually reduced.
Two pier stud 201 in the built on stilts layer are vertical not to be aligned with the twin columns 301 on station room layer, make things convenient for the first floor capital to carry out the prestressing force and stretch-draw (because adopt grout sleeve to combine vertical prestressing force connection technology between first floor's bent cap, carry out the prestressing force at the capital and stretch-draw, consequently upper strata post and lower floor's post are not aligned, for first floor's post prestressing force stretch-draw reservation space), two layers of posts pull open the distance simultaneously, reduce the cantilever length of two layers of bent cap, optimize the structural mechanics performance.
The station layer comprises a track beam 401, a station beam 402, a station beam support 403 and a track beam support 404, wherein the track beam 401 can adopt a double-line large U beam, a single-line small U beam, a hollow plate beam and the like according to an interval bridge form; the platform beam 402 may be a steel box beam, reducing the structural weight.
The utility model discloses a track traffic three-layer double-column assembly type elevated station adopts the assembly type construction method, adopts grouting sleeve + vertical prestress connection technology between the bearing platform 102 and the pier column 201, between the pier column 201 and the cantilever beam 202; the cantilever beam 202 and the double columns 301, and the double columns 301 and the single-span cantilever beam 302 are connected by grouting sleeves.
The single-span cantilever beam 302 is connected with the platform beam 402 through a platform beam support 403, and is connected with the track beam 401 through a track beam support 404.
The steel materials of the longitudinal I-shaped steel 304 of the station hall layer and the platform beam 402 adopt weathering resistant steel, so that maintenance during operation can be reduced.
The station hall layer 3 and the station platform layer 4 are paved with cast-in-place concrete surface layers, the station hall layer 3 is provided with a station hall layer cast-in-place concrete panel 305, the station platform layer 4 is provided with a station platform layer cast-in-place concrete panel 405, and the cast-in-place concrete surface layers are internally provided with reinforcing mesh pieces to increase structural integrity.
The utility model discloses a construction order does: prefabricating, transporting and pile sinking construction of a pile foundation 102, cast-in-place construction of a bearing platform 102, prefabricating, transporting, positioning and grouting construction of an overhead layer pier column 201, prefabricating, transporting, positioning and grouting construction of an overhead layer cantilever beam 202, tensioning a prestressed steel beam at the top of a cantilever cover beam 202, erecting and positioning a station hall layer longitudinal I-shaped steel 304, cast-in-place construction of a station hall layer panel, prefabricating, transporting, positioning and grouting construction of a station hall double column 301, prefabricating, transporting, positioning and grouting construction of a station hall single-span cantilever beam 302, prefabricating and erecting and positioning a station layer track beam 401, processing and erecting and positioning a station layer platform beam 402, and constructing the station platform layer cast-in-place panel.
To sum up, the utility model discloses an among the rail transit three-layer twin columns assembled elevated station, adopted the bridge type structure system, increased the vertical span of structure, optimized the room layer post of standing and arranged, structural landscape is good, and the assembled construction of being convenient for more of whole station. When the station construction is carried out, the assumption of a field support can be avoided, the influence on the existing road traffic is reduced, the construction period is shortened, the influence on the environment is reduced, and the construction quality can be improved.
And, adopt circular cross-section, optimize structural component visual effect, promote the view effect.
Each member of the station can be prefabricated and processed in a factory, and transported to the site for assembly, so that the assembly type construction of the whole station is completed.
The pier column, the cantilever beam, the double columns, the single-span cantilever beam and the track beam are of a reinforced concrete structure or a prestressed concrete structure, and the longitudinal I-shaped steel and the platform beam are of steel structures, so that the self weight of the structure can be reduced, and the longitudinal span of the structure can be increased.
It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.
Claims (10)
1. The utility model provides a track traffic three-layer twin columns assembled elevated station, includes the three layer construction of station basis and station basis top, the three layer construction contains the overhead layer on first floor, the station room layer on two layers and the three-layer platform layer of standing, its characterized in that:
the station foundation adopts a pile foundation or an enlarged foundation, the overhead layer is positioned on the station foundation and is of a double-column pi-shaped structure, the double-column pi-shaped structure of the overhead layer comprises a pier column serving as a double-column component and a cantilever beam positioned at the top of the pier column, the bottom of the pier column is arranged on the station foundation, and the pier column adopts a circular section;
the station hall layer is of a double-column pi-shaped structure and comprises double columns and a single-span cantilever beam supported on the double columns, the double columns adopt circular sections, longitudinal I-beams are arranged in the station hall layer and are mounted on the cantilever beam of the overhead layer;
the station layer comprises a track beam and a station beam which are positioned on the single-span cantilever beam, wherein the track beam is a double-line large U beam, a single-line small U beam or a hollow plate beam; the platform beam is a steel box beam.
2. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: the station foundation contains pile foundation and cushion cap when being pile foundation, the pile foundation adopts the precast pile construction, the pile foundation supports in the cushion cap for multiseriate interval arrangement.
3. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: the cantilever beam of the overhead layer is a prestressed concrete member, the middle part between two columns of pier studs adopts a uniform cross section form, the pier parts supported by the pier studs to the end parts at two sides adopt a variable cross section form, and the beam height is gradually reduced.
4. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: the top of the cantilever beam of the overhead layer is provided with a groove for placing longitudinal I-steel of the station hall layer.
5. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: and a support is arranged between the longitudinal I-shaped steel of the station hall layer and the cantilever beam of the overhead layer for connection so as to form a bridge type system structure.
6. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: the double columns of the station hall layer are two rows and are supported at the middle position of the single-span cantilever beam at intervals, the middle part of the single-span cantilever beam of the station hall layer between the double columns is in a uniform section form, the cantilever sections on the two sides are in a variable section form, and the beam height from the pivot of the double columns to the end parts of the cantilever sections on the two sides is gradually reduced.
7. The three-layer double-column fabricated elevated station for rail transit of claim 2, wherein: the bearing platform is connected with the pier column, and the pier column is connected with the cantilever beam through grouting sleeves; and the cantilever beam is connected with the double columns and the double columns are connected with the single-span cantilever beam by grouting sleeves.
8. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: the single-span cantilever beam is connected with the platform beam through the platform beam support, and is connected with the track beam through the track beam support.
9. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: and the longitudinal I-shaped steel of the station hall layer and the steel material of the platform beam are made of weather-resistant steel.
10. The three-layer double-column fabricated elevated station for rail transit of claim 1, characterized in that: the station hall layer and the station platform layer are paved with cast-in-place concrete surface layers, the station hall layer is provided with a station hall layer cast-in-place concrete panel, the station platform layer is provided with a station platform layer cast-in-place concrete panel, and the cast-in-place concrete surface layers are internally provided with reinforcing mesh pieces to increase structural integrity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020595445.XU CN212836935U (en) | 2020-04-20 | 2020-04-20 | Three-layer double-column assembly type elevated station for rail transit |
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| CN202020595445.XU CN212836935U (en) | 2020-04-20 | 2020-04-20 | Three-layer double-column assembly type elevated station for rail transit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502348A (en) * | 2020-04-20 | 2020-08-07 | 北京城建设计发展集团股份有限公司 | Rail transit three-story double-column prefabricated elevated station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502348A (en) * | 2020-04-20 | 2020-08-07 | 北京城建设计发展集团股份有限公司 | Rail transit three-story double-column prefabricated elevated station |
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