CN212428219U - Three-layer single-column assembled elevated station for rail transit - Google Patents
Three-layer single-column assembled elevated station for rail transit Download PDFInfo
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- CN212428219U CN212428219U CN202020595414.4U CN202020595414U CN212428219U CN 212428219 U CN212428219 U CN 212428219U CN 202020595414 U CN202020595414 U CN 202020595414U CN 212428219 U CN212428219 U CN 212428219U
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Abstract
A three-layer single-column assembly type 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, and the third layer is a station platform layer; the single-column pier of the overhead layer is arranged on the foundation and supports the cantilever beam to form a single-column T-shaped structure; the station hall layer transverse double columns are erected on the overhead layer cantilever beam and support the single-span cantilever beam to form a double-column Pi-shaped structure, and the station hall layer longitudinal I-shaped steel is arranged on a support on the overhead layer cantilever beam; the station layer track beam and the station beam are arranged on the station hall layer cross beam through a support; from this, the utility model discloses can be convenient realize prefabricated assembly construction, a great deal of component all can be at mill's prefabricated processing, transports the scene and assembles, accomplishes the assembly type construction at whole station, can reduce the influence to existing road traffic, has good social and economic benefits, has fine popularization and using value.
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 single-column 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 in a single-column structural form, and conventional single-column three-layer elevated stations are often in a dry-type structure and are in a frame consolidation system structure. However, the traditional frame consolidation system structure has the following disadvantages in the construction and use process of the dry-type single-column station:
the dry-type vehicle station with the traditional consolidation system structure is usually of a concrete structure, and a construction method of cast-in-place of a support is adopted, so that 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.
Traditional single-column dry type vehicle station, the pier stud on first floor is directly through to the platen lower floor of standing, sets up a large cross-section pier stud in the middle of the room layer of standing, and is unfavorable to building layout, and service function receives the influence, influences visual effect, and the passenger travelling comfort is relatively poor.
Traditional single-column dry-type station vertically is concrete frame beam member, and the station longitudinal span is strideed across ability restriction span by the concrete and is 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 related industries for many years, and researches and designs a track traffic three-layer single-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 single-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 single-column fabricated elevated station of track traffic three-layer, 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, its characterized in that:
the station foundation adopts a pile foundation or an enlarged foundation, the overhead layer is positioned on the station foundation, is of a single-column T-shaped structure and comprises a pier column serving as a single-column component and a cantilever beam at the top of the pier column, the bottom of the single-column component 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, and 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 is a prestressed concrete member, adopts a variable cross-section form, and gradually reduces from a buttress part supported by pier columns at the middle position to end beam heights at two sides.
Wherein: the top of the cantilever beam 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 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 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 columns and the pier columns are connected with the cantilever beam through grouting sleeves, and the cantilever beam is connected with the double columns and the single-span cantilever beam through 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 single-column assembled 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.
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 single-column fabricated elevated station of the rail transit of the present invention.
Figure 2 shows a single pin side view of the present invention.
Fig. 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 standing hall layer 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 platform layer cast-in-place concrete panel; (ii) a green zone in 10 lanes; 20 lanes.
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 single-column fabricated elevated station for rail transit of the present invention is shown, the middle is a green belt 10 in the road, and the two sides of the green belt 10 in the road are roadways 20.
The three-layer single-column assembled elevated railway station comprises a three-layer structure above a station foundation 1 and 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, when the embodiment in the figure is the pile foundation, the station foundation can comprise a pile foundation 101 and a bearing platform 102, the pile foundation 101 can adopt precast pile construction, and referring to the figure 1 and the figure 2, 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 station basis 1, and the preferred is located cushion cap 102, the overhead layer is single-column T shape structure, including the cantilever beam 202 at pier 201 and the top as single-column component, the bottom of single-column component sets up on station basis 1, pier 201 adopts circular cross section, cantilever beam 202 is prestressed concrete component, adopts the variable cross section form, and the pier portion that supports by pier 201 from the middle position reduces to the tip beam height of both sides gradually, just cantilever beam 202 top is provided with the recess to vertical I-steel 304 for placing station room 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 heights from the pivot points of the double columns 301 to the end parts of the cantilever sections at two sides are gradually reduced.
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 single-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 single-column fabricated type elevated station of track traffic three-layer, 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 whole station is more convenient for the fabricated type construction. 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, the built on stilts layer is single post T shape structure stand living room turns into double-column pi shape structure, and stand living room layer single post and station layer double column all 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 single assembled elevated station of post of track traffic three-layer, 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 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, is of a single-column T-shaped structure and comprises a pier column serving as a single-column component and a cantilever beam at the top of the pier column, the bottom of the single-column component 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, and 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 single-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 single-column fabricated elevated station for rail transit of claim 1, characterized in that: the cantilever beam is a prestressed concrete member, adopts a variable cross-section form, and gradually reduces from a buttress part supported by pier columns at the middle position to end beam heights at two sides.
4. The three-layer single-column fabricated elevated station for rail transit of claim 1, characterized in that: the top of the cantilever beam is provided with a groove for placing longitudinal I-steel of the station hall layer.
5. The three-layer single-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 single-column fabricated elevated station for rail transit of claim 1, characterized in that: the double columns 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 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 single-column fabricated elevated station for rail transit of claim 2, characterized in that: the bearing platform is connected with the pier columns and the pier columns are connected with the cantilever beam through grouting sleeves, and the cantilever beam is connected with the double columns and the single-span cantilever beam through grouting sleeves.
8. The three-layer single-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 single-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 single-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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020595414.4U CN212428219U (en) | 2020-04-20 | 2020-04-20 | Three-layer single-column assembled elevated station for rail transit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020595414.4U CN212428219U (en) | 2020-04-20 | 2020-04-20 | Three-layer single-column assembled elevated station for rail transit |
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| CN212428219U true CN212428219U (en) | 2021-01-29 |
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| CN202020595414.4U Active CN212428219U (en) | 2020-04-20 | 2020-04-20 | Three-layer single-column assembled elevated station for rail transit |
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