CN114370182A - Three-layer single-column assembled elevated station - Google Patents
Three-layer single-column assembled elevated station Download PDFInfo
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- CN114370182A CN114370182A CN202210030951.8A CN202210030951A CN114370182A CN 114370182 A CN114370182 A CN 114370182A CN 202210030951 A CN202210030951 A CN 202210030951A CN 114370182 A CN114370182 A CN 114370182A
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- station
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- bent cap
- cantilever bent
- cantilever
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 abstract description 12
- 230000035939 shock Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 noise Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a three-layer single-column assembly type elevated station. The existing combined single-column elevated station prefabricated part is difficult to connect in a node area, large in shearing deformation, and unsatisfactory in energy consumption capacity and shock resistance. The middle position above the cantilever bent cap of the station hall layer is connected with a station hall layer column through a steel flange, and the station hall layer column supports the cantilever bent cap of the station platform layer; the station hall layer cantilever bent cap and the station platform layer cantilever bent cap are both of two-section prefabricated structures and are connected through high-strength steel fiber concrete, node X-shaped ribs are arranged at connecting nodes, shear keys are embedded in the connecting nodes, and the vacant parts are filled with grouting materials; and laying prestressed hollow plate beams on overhanging parts on two sides of the cantilever bent cap, and pouring concrete layers. The invention adopts a prefabricated structure, thus shortening the construction period; cantilever bent cap and post connected node are connected through cast in situ concrete, dispose X shape muscle in nuclear core area, improve the node form of destruction, improve node shock resistance.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to a three-layer single-column assembly type elevated station.
Background
With the rapid development of socioeconomic and the acceleration of urbanization process in China, more and more cities build urban rail transit to improve urban traffic environment. The elevated station is one of important structural types in urban rail transit engineering construction, and is widely applied to areas outside urban centers due to the advantages of short construction period, less engineering investment, economic operation cost and the like.
However, the existing elevated station still has the following disadvantages in the construction process: firstly, the existing concrete elevated station generally adopts a support cast-in-place method, a template needs to be erected, a reinforcing steel bar is bound, concrete is poured and maintained manually on site, the required construction period is long, the influence on the existing road traffic is large, and the construction quality is difficult to ensure; secondly, the cast-in-place concrete elevated station produces raised dust, noise, mud and the like which have great influence on the surrounding environment during construction.
The bridge construction combined single-column elevated station has the dual characteristics of a bridge and a building, but the large-span heavy-load steel bars are more in reinforcing bars, the prefabricated parts are difficult to connect in a node area, the shearing deformation is large, and the energy consumption capacity and the shock resistance are not ideal.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the three-layer single-column assembly type elevated station, which adopts a prefabricated assembly type structure system, shortens the construction period and improves the ductility and the shock resistance of the structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a three-layer single-column assembled elevated station is in a dry shape integrally and comprises a ground floor, a station hall floor and a station platform floor;
the ground floor pier stud is connected with a ground floor foundation in a socket-and-spigot manner, and the ground floor pier stud supports the cantilever bent cap of the station hall layer; the station hall layer longitudinal beam is arranged on a station hall layer longitudinal beam support on the station hall layer cantilever bent cap;
a station hall layer column is connected to the middle position above the station hall layer cantilever bent cap through a steel flange, and the station hall layer column supports the station platform layer cantilever bent cap; the station layer longitudinal beam is arranged on a station layer longitudinal beam support on the station layer cantilever cover beam; a station layer track beam is arranged in the middle of the station layer cantilever cover beam and is arranged on a station layer track beam support;
the station hall layer cantilever bent cap and the station platform layer cantilever bent cap are both of two-section prefabricated structures and are connected through high-strength steel fiber concrete; the station hall layer cantilever bent cap and the station platform layer cantilever bent cap are provided with X-shaped ribs at connecting nodes, shear keys are embedded in the X-shaped ribs, and the vacant parts are filled with grouting materials;
and prestressed hollow plate beams are laid on the overhanging parts at the two sides of the cantilever bent cap of the station hall layer and the cantilever bent cap of the station platform layer, and concrete layers are poured on the prestressed hollow plate beams.
Optimally, the joints of the cantilever bent caps of the station hall layer and the ground layer pier columns and the joints of the cantilever bent caps of the station platform layer and the station hall layer columns are provided with brackets.
The invention has the beneficial effects that:
1) the invention uses the prefabricated construction technology in the fields of the existing civil buildings and highway bridges for reference, adopts a prefabricated structural system, has high streamlined operation degree, ensures the quality, is relatively convenient and fast to construct, shortens the construction period and reduces the influence on urban traffic flow, and the components are prefabricated in factories and assembled in the field;
2) the longitudinal bearing members are all prestressed hollow plate beams, concrete is poured after the prestressed hollow plate beams are poured, the integral stress performance of the structure is good, and the prestressed hollow plate beams have the characteristics of high hoisting efficiency and low construction cost and are suitable for structures with large span and high load, such as elevated stations;
3) the station hall layer column and the station hall layer cantilever bent cap are connected through the steel flange, so that the longitudinal rib stress can be effectively transmitted;
4) according to the invention, the cantilever cover beam and the column connecting node are connected through cast-in-place high-strength steel fiber concrete, and the X-shaped rib is configured in the core area, so that the shear deformation of the core area of the node is reduced, the node destruction form is improved, and the energy consumption capability and the shock resistance of the node are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of a three-level single-post fabricated elevated station;
FIG. 3 is a sectional view taken along line 1-1;
FIG. 4 is a schematic structural view of a steel flange;
in the figure, 1-ground floor foundation, 2-ground floor pier stud, 3-station hall layer cantilever capping beam, 4-node X-shaped rib, 5-shear key, 6-steel flange, 7-station hall layer stud, 8-station layer cantilever capping beam, 9-station hall layer longitudinal beam, 10-station layer longitudinal beam, 11-station layer track beam, 12-prestressed hollow slab beam, 13-bracket, 14-station hall layer longitudinal beam support, 15-station layer longitudinal beam support and 16-station layer track beam support.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
As shown in fig. 1, the whole body of the invention is in a shape of a Chinese character 'gan', the structure is symmetrically arranged, the first layer is a ground layer, the second layer is a station hall layer, and the third layer is a station platform layer;
the ground floor pier stud 2 is connected with the ground floor foundation 1 in a socket-and-spigot manner, and the ground floor pier stud 2 supports the cantilever bent cap 3 of the station hall layer; the station hall layer longitudinal beam 9 is arranged on a station hall layer longitudinal beam support 14 on the station hall layer cantilever bent cap 3;
a station hall layer column 7 is connected to the middle position above the station hall layer cantilever bent cap 3 through a steel flange 6, and the station hall layer column 7 supports a station platform layer cantilever bent cap 8; the station layer longitudinal beam 10 is arranged on a station layer longitudinal beam support 15 on the station layer cantilever bent cap 8; a station layer track beam 11 is arranged in the middle of the station layer cantilever cover beam 8, and the station layer track beam 11 is arranged on a station layer track beam support 16; the steel flange 6 is of an existing structure and is connected with other parts through bolts as shown in figure 2;
the station hall layer cantilever bent cap 3 and the station platform layer cantilever bent cap 8 are both of two-section prefabricated structures, and overhanging parts on two sides are variable-section basket girders and are connected through high-strength steel fiber concrete; the station hall layer cantilever bent cap 3 and the station platform layer cantilever bent cap 8 are provided with node X-shaped ribs 4 at the connecting nodes, the shear keys 5 are embedded in advance, and the vacant parts are filled with grouting materials. The X-shaped ribs are arranged in the core area, so that the node failure mode can be improved, and the energy consumption capacity and the shock resistance of the node can be improved; adopt high-strength steel fiber concrete placement, can reduce node district stirrup quantity, be convenient for place X shape muscle, improve the fracture intensity of node and the node ductility and the power consumption ability in the fracture stage, reduce the shear deformation in node nuclear region.
The cantilever bent cap 3 of the station hall layer and the cantilever bent cap 8 of the station platform layer are partially cantilevered by laying a prestressed hollow slab beam 12, and a concrete layer is poured on the prestressed hollow slab beam 12; the prestressed hollow plate beam 12 is laid on the cantilever bent cap 3 of the station hall layer to be used as a bearing structure; a prestressed hollow slab beam is laid on the overhanging part of the cantilever bent cap 8 of the station layer to bear the load of people on the upper part;
and corbels 13 are arranged at the joints of the station hall layer cantilever bent caps 3 and the ground layer pier columns 2 and the joints of the station platform layer cantilever bent caps 8 and the station hall layer columns 7.
According to the invention, after the floor layer pier column 2, the overhanging parts at two sides of the station hall layer cantilever bent cap 3, the prestressed hollow plate beam 12, the station hall layer column 7, the overhanging parts at two sides of the station platform layer cantilever bent cap 8, the station platform layer track beam 11, the station hall layer longitudinal beam 9 and the station platform layer longitudinal beam 10 are prefabricated and processed in a factory, the prefabricated parts are transported to be assembled on site; the overhanging parts at two sides of the station hall layer cantilever bent cap 3 and the overhanging parts at two sides of the station platform layer cantilever bent cap 8 are connected through cast-in-situ high-strength steel fiber concrete; after the prestressed hollow plate beams 12 are paved on the overhanging parts of the two sides of the station hall layer cantilever bent cap 3 and the station platform layer cantilever bent cap 8, concrete layers are cast on the prestressed hollow plate beams 12 in situ.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (2)
1. The utility model provides a three-layer single-column assembled elevated station, wholly is the dry style of calligraphy, includes ground floor, station room layer and station platform layer, its characterized in that: the ground floor pier stud (2) is connected with the ground floor foundation (1) in a socket and spigot manner, and the ground floor pier stud (2) supports the cantilever bent cap (3) of the station hall layer; the station hall layer longitudinal beam (9) is arranged on a station hall layer longitudinal beam support (14) on the station hall layer cantilever bent cap (3);
a station hall layer column (7) is connected to the middle position above the station hall layer cantilever bent cap (3) through a steel flange (6), and the station hall layer column (7) supports a station platform layer cantilever bent cap (8); the station layer longitudinal beam (10) is arranged on a station layer longitudinal beam support (15) on the station layer cantilever cover beam (8); a station layer track beam (11) is arranged in the middle of the station layer cantilever cover beam (8), and the station layer track beam (11) is arranged on a station layer track beam support (16);
the station hall layer cantilever bent cap (3) and the station platform layer cantilever bent cap (8) are both of two sections of prefabricated structures and are connected through high-strength steel fiber concrete; the station hall layer cantilever bent cap (3) and the station platform layer cantilever bent cap (8) are provided with a node X-shaped rib (4) at a connecting node, a shear key (5) is embedded in advance, and the vacant part is filled with grouting material;
the cantilever bent cap of the station hall layer (3) and the cantilever bent cap of the station platform layer (8) are partially cantilevered, prestressed hollow plate beams (12) are laid, and concrete layers are poured on the prestressed hollow plate beams (12).
2. The three-layer single-column fabricated elevated station according to claim 1, characterized in that: and the joints of the station hall layer cantilever bent caps (3) and the ground layer pier columns (2) and the joints of the station platform layer cantilever bent caps (8) and the station hall layer columns (7) are provided with brackets (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210030951.8A CN114370182A (en) | 2022-01-12 | 2022-01-12 | Three-layer single-column assembled elevated station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210030951.8A CN114370182A (en) | 2022-01-12 | 2022-01-12 | Three-layer single-column assembled elevated station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114370182A true CN114370182A (en) | 2022-04-19 |
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ID=81143391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210030951.8A Pending CN114370182A (en) | 2022-01-12 | 2022-01-12 | Three-layer single-column assembled elevated station |
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| Country | Link |
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| CN (1) | CN114370182A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0656209U (en) * | 1993-01-19 | 1994-08-05 | 株式会社フジタ | Joint structure of columns and beams |
| CN102535639A (en) * | 2011-12-26 | 2012-07-04 | 中国矿业大学 | Connection method for reinforcing joints between pre-fabricated hollow slabs and horizontal beam by embedding steel reinforcements |
| JP2015068158A (en) * | 2013-09-26 | 2015-04-13 | 佐々木 宏幸 | High-floor type building foundation structure supported by one column |
| KR101770382B1 (en) * | 2016-08-18 | 2017-09-05 | 동서 피, 씨, 씨 주식회사 | Construction method by using precast concrete column |
| CN208085707U (en) * | 2018-03-09 | 2018-11-13 | 上海市隧道工程轨道交通设计研究院 | A kind of cross-saddle single-track traffic overhead station arrangement |
| CN111502347A (en) * | 2020-04-20 | 2020-08-07 | 北京城建设计发展集团股份有限公司 | Three-layer single-column assembled elevated station for rail transit |
| CN112048994A (en) * | 2020-09-23 | 2020-12-08 | 同济大学 | Replaceable hollow double-wall steel pipe concrete prefabricated assembly pier |
| CN112681822A (en) * | 2020-12-30 | 2021-04-20 | 西安建筑科技大学 | Double-column-support four-column assembled elevated station |
-
2022
- 2022-01-12 CN CN202210030951.8A patent/CN114370182A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0656209U (en) * | 1993-01-19 | 1994-08-05 | 株式会社フジタ | Joint structure of columns and beams |
| CN102535639A (en) * | 2011-12-26 | 2012-07-04 | 中国矿业大学 | Connection method for reinforcing joints between pre-fabricated hollow slabs and horizontal beam by embedding steel reinforcements |
| JP2015068158A (en) * | 2013-09-26 | 2015-04-13 | 佐々木 宏幸 | High-floor type building foundation structure supported by one column |
| KR101770382B1 (en) * | 2016-08-18 | 2017-09-05 | 동서 피, 씨, 씨 주식회사 | Construction method by using precast concrete column |
| CN208085707U (en) * | 2018-03-09 | 2018-11-13 | 上海市隧道工程轨道交通设计研究院 | A kind of cross-saddle single-track traffic overhead station arrangement |
| CN111502347A (en) * | 2020-04-20 | 2020-08-07 | 北京城建设计发展集团股份有限公司 | Three-layer single-column assembled elevated station for rail transit |
| CN112048994A (en) * | 2020-09-23 | 2020-12-08 | 同济大学 | Replaceable hollow double-wall steel pipe concrete prefabricated assembly pier |
| CN112681822A (en) * | 2020-12-30 | 2021-04-20 | 西安建筑科技大学 | Double-column-support four-column assembled elevated station |
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