CN111502347A - Three-layer single-column assembled elevated station for rail transit - Google Patents

Three-layer single-column assembled elevated station for rail transit Download PDF

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Publication number
CN111502347A
CN111502347A CN202010310228.6A CN202010310228A CN111502347A CN 111502347 A CN111502347 A CN 111502347A CN 202010310228 A CN202010310228 A CN 202010310228A CN 111502347 A CN111502347 A CN 111502347A
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China
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layer
station
column
cantilever beam
rail transit
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CN202010310228.6A
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Chinese (zh)
Inventor
白唐瀛
杨明虎
田志渊
刘伟
张丁军
唐兴国
许浩
周志亮
王汉军
于松伟
刘运亮
张晓康
杨铮
任静
刘颖
夏赞鸥
张晓林
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Beijing Urban Construction Design and Development Group Co Ltd
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Beijing Urban Construction Design and Development Group Co Ltd
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Application filed by Beijing Urban Construction Design and Development Group Co Ltd filed Critical Beijing Urban Construction Design and Development Group Co Ltd
Priority to CN202010310228.6A priority Critical patent/CN111502347A/en
Publication of CN111502347A publication Critical patent/CN111502347A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • E02D27/14Pile framings, i.e. piles assembled to form the substructure
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

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; therefore, the prefabricated assembly construction can be conveniently realized, a plurality of components can be prefabricated and processed in a factory and transported to the site for assembly, the assembly type construction of the whole station is completed, the influence on the existing road traffic can be reduced, the social and economic benefits are good, and the popularization and application values are good.

Description

Three-layer single-column assembled elevated station for rail transit
Technical Field
The invention relates to the technical field of rail transit, in particular to a three-layer single-column assembly type elevated station for rail transit, which can be used for a subway system, a light rail system, a monorail system, a tramcar, a magnetic suspension system, an automatic guide rail system and an urban area rapid rail system.
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, in view of the above-mentioned drawbacks, the designer of the present invention develops and designs a three-layer single-column fabricated elevated station for rail transit by taking into account the experience and results of the related industries for many years through careful research and design.
Disclosure of Invention
The invention aims to provide a three-layer single-column fabricated elevated station for rail transit, which adopts an assembled 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 purpose, the invention discloses a three-layer single-column fabricated elevated station for rail transit, which comprises a station foundation and a three-layer structure above the station foundation, wherein the three-layer structure comprises a first-layer overhead layer, a second-layer station hall layer and a third-layer station platform layer, and is 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: adopting an assembly type construction method, and adopting a grouting sleeve and vertical prestress connection process between the bearing platform and the pier stud and between the pier stud and the cantilever beam; 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.
From the above, the three-layer single-column fabricated elevated station for rail transit of the 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 a transverse sectional view of a three-story single-column fabricated elevated station for 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 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 deck layer cast in place concrete panels.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below 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, there is shown a three-layer single-column fabricated elevated station for rail transit of the present invention.
The three-layer single-column assembly type elevated vehicle station for the 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 embodiment in the figure can comprise a pile foundation 101 and a bearing platform 102 when the embodiment 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 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 height from the fulcrum of the double columns 301 to the end parts of the cantilever sections at two sides is 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 three-layer single-column assembly type elevated station for rail transit adopts an assembly type construction method, and grouting sleeve and vertical prestress connecting processes are adopted between the bearing platform 102 and the pier column 201 and 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 construction sequence of the invention is as follows: 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.
In conclusion, in the three-layer single-column fabricated elevated station for rail transit, disclosed by the invention, a bridge type structural system is adopted, the longitudinal span of the structure is increased, the arrangement of the columns of the station hall is optimized, the structural landscape is good, and the fabricated construction of the whole station is more convenient. 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 should be apparent that the foregoing description and illustrations are by way of example 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 will include any embodiments falling 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 1, characterized in that: adopting an assembly type construction method, and adopting a grouting sleeve and vertical prestress connection process between the bearing platform and the pier stud and between the pier stud and the cantilever beam; 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 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.
CN202010310228.6A 2020-04-20 2020-04-20 Three-layer single-column assembled elevated station for rail transit Pending CN111502347A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113187116A (en) * 2021-04-27 2021-07-30 重庆永昂实业有限公司 Automatic energy dissipation and shock absorption structure of overhead single-column station
CN113833345A (en) * 2021-09-14 2021-12-24 中国电建集团华东勘测设计研究院有限公司 Rail transit vehicle base for high fill area
CN114370182A (en) * 2022-01-12 2022-04-19 中铁第一勘察设计院集团有限公司 Three-layer single-column assembled elevated station
CN117927069A (en) * 2024-02-27 2024-04-26 北京城建设计发展集团股份有限公司 Single-column frame station of assembled bridge-building combined system
CN118128349A (en) * 2024-03-28 2024-06-04 北京城建设计发展集团股份有限公司 Dry-type assembled rail transit overhead station structure and construction method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113187116A (en) * 2021-04-27 2021-07-30 重庆永昂实业有限公司 Automatic energy dissipation and shock absorption structure of overhead single-column station
CN113187116B (en) * 2021-04-27 2023-02-14 重庆永昂实业有限公司 Automatic energy dissipation and shock absorption structure of overhead single-column station
CN113833345A (en) * 2021-09-14 2021-12-24 中国电建集团华东勘测设计研究院有限公司 Rail transit vehicle base for high fill area
CN114370182A (en) * 2022-01-12 2022-04-19 中铁第一勘察设计院集团有限公司 Three-layer single-column assembled elevated station
CN117927069A (en) * 2024-02-27 2024-04-26 北京城建设计发展集团股份有限公司 Single-column frame station of assembled bridge-building combined system
CN118128349A (en) * 2024-03-28 2024-06-04 北京城建设计发展集团股份有限公司 Dry-type assembled rail transit overhead station structure and construction method

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Inventor after: Bai Tangying

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