CN112095780B - A superstructure system for rail operating lines and its implementation method - Google Patents
A superstructure system for rail operating lines and its implementation methodInfo
- Publication number
- CN112095780B CN112095780B CN202011138230.6A CN202011138230A CN112095780B CN 112095780 B CN112095780 B CN 112095780B CN 202011138230 A CN202011138230 A CN 202011138230A CN 112095780 B CN112095780 B CN 112095780B
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- precast
- columns
- prefabricated frame
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
本发明涉及轨道交通上盖结构技术领域，尤其是一种应用于轨道运营线的上盖结构体系及其实施方法，其特征在于：所述上盖结构体系包括预制框架柱、预制框架梁、预制底板，其中所述预制框架柱和所述预制框架梁之间通过连接结构相连接固定，所述预制底板通过连接结构与所述预制框架梁相连接固定，所述预制底板的上方浇筑有现浇层。本发明的优点是：结构合理、功能明确、可操作性强、设计新颖等优点。
The present invention relates to the technical field of rail transit roof structures, and in particular to a roof structure system for rail transit operating lines and its implementation method. The roof structure system comprises prefabricated frame columns, prefabricated frame beams, and a prefabricated base plate, wherein the prefabricated frame columns and the prefabricated frame beams are connected and fixed by a connecting structure, the prefabricated base plate is connected and fixed to the prefabricated frame beams by a connecting structure, and a cast-in-place layer is cast above the prefabricated base plate. The advantages of the present invention include: reasonable structure, clear functions, strong operability, and novel design.
Description
Technical Field
The invention relates to the technical field of upper cover structures of rail transit, in particular to an upper cover structure system applied to a rail operation line and an implementation method thereof.
Background
With the recent development of cities, urban rail transit affects land mass traffic on two sides of the line on ground lines in early years, the development of the cut cities requires erection of a reinforced concrete upper cover above the line, and the construction of the urban rail transit cannot affect the operation of the existing rail, so that an assembled structural system which is quickly built is required. In a railway station house, the reconstruction of an old station house needs to construct an on-line waiting hall, and the construction of the on-line waiting hall also involves the problem of constructing an upper cover structure on an operation line.
According to the structural form of the cover body, a steel structure or an assembled concrete structure can be adopted, when the steel structure is adopted, daily maintenance needs to be carried out, including rust prevention and corrosion prevention of the steel structure, particularly for urban rail transit, the maintenance unit under the cover and the use unit on the cover are different, and coordination is difficult during operation. The fabricated concrete structure thus has significant advantages for subsequent operational use. However, the span that the assembled concrete structure generally spans is not large, and the construction temporary support needs to be arranged, the construction temporary support can be removed only after the post-cast concrete and the prefabricated component form the superposed component, the construction temporary support influences line operation, and the track line below the construction temporary support is difficult to realize continuous operation during construction.
Therefore, the system and the implementation method thereof are particularly important, not only can be quickly built, but also can avoid excessive maintenance work in the use stage after the construction, can avoid temporary support in the construction stage to influence line operation, and can span a large span to meet railway limit.
Disclosure of Invention
According to the defects of the prior art, the invention provides an upper cover structure system applied to a rail operation line and an implementation method thereof, wherein the upper cover structure is built above the rail operation line on the premise of setting construction temporary support by a system of combining prefabricated frame columns, prefabricated frame beams and prefabricated bottom plates.
The invention is realized by the following technical scheme:
The upper cover structure system applied to the rail operation line is characterized by comprising prefabricated frame columns, prefabricated frame beams and prefabricated bottom plates, wherein the prefabricated frame columns and the prefabricated frame beams are fixedly connected through connecting structures, the prefabricated bottom plates are fixedly connected with the prefabricated frame beams through the connecting structures, and cast-in-place layers are cast above the prefabricated bottom plates.
The upper cover structure system further comprises a temporary upright post, wherein the temporary upright post is arranged above the prefabricated frame post, and the temporary upright post is connected with the prefabricated frame beam through a stay cable.
The prefabricated frame beam with the bottom both ends of prefabricated bottom plate are provided with the embedded nut respectively, prefabricated frame beam accessible at its embedded nut connect stop screw realize its compare in the spacing of prefabricated frame post, prefabricated bottom plate accessible at its embedded nut connect stop screw realize its compare in the spacing of prefabricated frame beam.
The prefabricated frame column is connected with the prefabricated frame beam in a mode of prefabricating clamping grooves in column head positions or arranging column corner codes.
Screw rods are pre-buried in column head positions of the prefabricated frame columns, and column corner codes are fixedly connected with the prefabricated frame columns through the screw rods.
The prefabricated frame beam is connected with the prefabricated bottom plate in a mode of prefabricating the lugs on two sides of the beam body or arranging beam corner brackets.
Screw rods are pre-buried in the beam body two sides of the prefabricated frame beam, and the beam corner brace is fixedly connected with the prefabricated frame beam through the screw rods.
The prefabricated frame column is connected with the site through a cable rope.
The prefabricated bottom plate is a prestressed hollow bottom plate.
The implementation method of the upper cover structure system applied to the rail operation line is characterized by comprising the following steps of:
Erecting prefabricated frame columns on two sides of a line, and erecting prefabricated frame beams by arranging column corner brackets at column head positions of the prefabricated frame columns, wherein the prefabricated frame beams are supported on the column corner brackets;
erecting a prefabricated bottom plate in a mode of arranging beam angle brackets at two sides of a beam body of the prefabricated frame beam, wherein the prefabricated bottom plate is supported on the prefabricated frame beam and the beam angle brackets;
respectively mounting limit screws at the positions of embedded nuts arranged on the prefabricated frame beam and the prefabricated bottom plate so as to respectively limit the prefabricated frame beam and the prefabricated bottom plate;
erecting a temporary upright post above the prefabricated frame column and connecting the temporary upright post with the prefabricated frame beam through a stay cable, thereby completing the erection of an upper cover structure system;
And installing steel bars on the prefabricated bottom plate, pouring a cast-in-situ layer, enabling the prefabricated frame columns, the prefabricated frame beams and the prefabricated bottom plate to form an integral stress of a superposed member, and then removing the temporary upright posts and the stay cables thereof.
The invention has the advantages of reasonable structure, definite function, strong operability, novel design and the like.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A of FIG. 1;
FIG. 3 is an isometric view of a column angle code of the present invention;
FIG. 4 is an isometric view of a cartridge style prefabricated post head according to the present invention;
FIG. 5 is an isometric view of a beam angle brace of the present invention;
Fig. 6 is a schematic structural view of a lug-type prefabricated frame beam in the present invention;
Fig. 7 is a sectional view of the structure of the B-B direction of fig. 2.
Detailed Description
The features of the invention and other related features are described in further detail below by way of example in conjunction with the following figures to facilitate understanding by those skilled in the art:
As shown in fig. 1-7, the marks 1-19 in the drawings are respectively represented by a prefabricated frame column 1, a prefabricated frame beam 2, a column angle code 3, a screw 4, a cable rope 5, an embedded nut 6, a limit screw 7, a prefabricated bottom plate 8, a beam angle code 9, an embedded screw 10, an embedded nut 11, a limit screw 12, a prefabricated clamping groove type column head 13, a lug 14, a temporary column 15, a reserved steel bar 16, an embedded lifting ring 17, a stay cable 18 and a welding lifting ring 19.
The upper cover structure system applied to the track operation line in the embodiment is mainly applied to the condition that the cover plate is erected above the track operation line, breaks through the mode that a prefabricated bottom plate temporary support and a prefabricated beam temporary support are required to be arranged during construction of a traditional assembly type structure, can be matched with the prefabricated bottom plate with the prestressed hollow structure, achieves that the large span is spanned without the temporary support, and prevents the track from being invaded.
Specifically, as shown in fig. 1 and 2, the main body of the upper cover structure system applied to the rail operation line in the present embodiment includes a prefabricated frame column 1, a prefabricated frame beam 2, and a prefabricated bottom plate 8.
Screw rods 4 are pre-buried in column head positions of the prefabricated frame columns 1, and the screw rods 4 can be fixedly connected with column corner codes 3. As shown in fig. 3, the structure of the column corner bracket 3 comprises a vertical connecting plate provided with a connecting hole matched with the screw 4 and a horizontal supporting plate arranged above the vertical connecting plate, wherein the horizontal supporting plate is used for supporting the prefabricated frame beam 2, and when in use, the screw 4 pre-buried at the column head position of the prefabricated frame column 1 can be penetrated in the connecting hole of the vertical connecting plate of the column corner bracket 3, so that the column corner bracket 3 is connected with the prefabricated frame column 1, and the column corner bracket 3 can effectively support the prefabricated frame beam 2. In order to ensure the supporting strength of the column corner brace 3, an oblique stiffening plate is further arranged between the vertical connecting plate and the horizontal supporting plate, so that the integrity of the vertical connecting plate and the horizontal supporting plate is further improved, and the supporting effect on the prefabricated frame beam 2 is ensured.
As shown in fig. 7, screws 10 are pre-embedded at two sides of the prefabricated frame beam 2, and the screws 10 can be connected and fixed with the beam corner brackets 9. As shown in fig. 5, the beam corner bracket 9 has a structure similar to that of the column corner bracket 3, and includes a vertical connection plate provided with connection holes which are matched with the screw rods 10, and a horizontal support plate which is used for supporting the prefabricated base plate 8, so as to build a column (prefabricated frame column 1) beam (prefabricated frame beam 2) plate (prefabricated base plate 8) system.
The bottom of the prefabricated frame beam 2 is provided with the embedded nut 6, and the limit of the prefabricated frame beam 2 can be realized by installing the limit screw 7 matched with the embedded nut 6 on site, so that the prefabricated frame beam 2 is prevented from sliding and falling during construction. Specifically, as shown in fig. 1, the embedded nut 6 is embedded at the bottom end of the prefabricated frame beam 2 and is located at the periphery of the column corner brace 3, and the limit screw 7 installed on the embedded nut 6 extends out of the bottom surface of the prefabricated frame beam 2, so that the prefabricated frame beam 2 is limited compared with the prefabricated frame column 1 through the limit screw 7. Namely, the design principle is that the limit structure which can be matched with the prefabricated frame column 1 or the column corner bracket 3 is arranged at the bottom of the prefabricated frame beam 2 to realize the limit. Similarly, the bottom of the prefabricated bottom plate 8 is pre-embedded with the pre-embedded nut 11, and the prefabricated bottom plate 8 can be limited compared with the prefabricated frame beam 2 by installing the limiting screw 12 matched with the pre-embedded nut 11 on site, so that the prefabricated bottom plate 8 is prevented from sliding and falling during construction.
For the large-span beam, the pre-buried hanging ring 17 is pre-buried at the roof of the prefabricated frame beam 2, and the pre-buried hanging ring 17 can be tied with the welding hanging ring 19 on the temporary steel column 15 through the stay cable 18, so that the problem of construction disturbance of the large-span prefabricated beam is solved. The temporary steel column 15 can be temporarily connected and fixed with the prefabricated frame column 1 through reserved steel bars 16 arranged on the column head.
This embodiment, when implemented, includes the steps of:
1) And erecting prefabricated frame columns 1 on two sides of a line of the existing rail operation line respectively, and connecting the prefabricated frame beams 2 with the prefabricated frame columns 1 through column corner connectors 3. The column corner connector 3 is connected with the prefabricated frame column 1 through a screw 4 with a pre-buried column head.
2) The prefabricated bottom plate 8 is connected with the prefabricated frame beam 2 through a beam corner bracket 9. Wherein, the beam angle code 9 is connected with the prefabricated frame beam 2 through a screw 10 pre-buried in the beam angle code.
3) The prefabricated frame column 1 is connected with a construction site through a cable rope 5, so that the stability of the prefabricated frame column 1 during construction is ensured.
4) The limit screw 7 is connected with the prefabricated frame beam 2 through the embedded nut 6, and the limit rod 12 is connected with the prefabricated bottom plate 8 through the embedded nut 11.
5) The temporary upright 15 is connected by using reserved steel bars 16 of the prefabricated frame column 1, and frame beam hanging rings 17 are tied with the temporary upright 15 through stay cables 18.
6) After the system is installed, installing upper steel bars on the top surface of the prefabricated bottom plate 8, pouring a cast-in-situ layer, and integrally stressing the cast-in-situ layer and the prefabricated beam plate column-shaped superposed member. The temporary upright 15, the cable-stayed 18 and the cable rope 5 are removed.
In the embodiment, besides the column corner connector 3 in the embodiment, the connection between the prefabricated frame column 1 and the prefabricated frame beam 2 can be realized through the prefabricated clamping groove type column head 13 shown in fig. 4, namely, a clamping groove matched with the prefabricated frame beam 2 is arranged at the top of the prefabricated frame column 1, and the prefabricated frame beam 2 can be clamped in the clamping groove at the top of the prefabricated frame column 1, so that the quick connection and fixation of the prefabricated frame column 1 and the prefabricated frame beam are realized.
Instead of the beam corner connector 9 in the above embodiment, the connection between the prefabricated frame beam 2 and the prefabricated base plate 8 may be achieved by the lugs 14 as shown in fig. 6, i.e. the lugs 14 overhanging outwards are provided on both sides of the prefabricated frame beam 2, respectively, and the lugs 14 support the prefabricated base plate 8 together with the body of the prefabricated frame beam 2.
Although the foregoing embodiments have been described in some detail with reference to the accompanying drawings, it will be appreciated by those skilled in the art that various modifications and changes may be made thereto without departing from the scope of the invention as defined in the appended claims, and thus are not repeated herein.
Claims (7)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011138230.6A CN112095780B (en) | 2020-10-22 | 2020-10-22 | A superstructure system for rail operating lines and its implementation method |
| PCT/CN2021/119483 WO2022083380A1 (en) | 2020-10-22 | 2021-09-21 | Overhead cover structure system applicable in operational railway line and implementation method for system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011138230.6A CN112095780B (en) | 2020-10-22 | 2020-10-22 | A superstructure system for rail operating lines and its implementation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112095780A CN112095780A (en) | 2020-12-18 |
| CN112095780B true CN112095780B (en) | 2025-08-08 |
Family
ID=73786039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011138230.6A Active CN112095780B (en) | 2020-10-22 | 2020-10-22 | A superstructure system for rail operating lines and its implementation method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112095780B (en) |
| WO (1) | WO2022083380A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112095780B (en) * | 2020-10-22 | 2025-08-08 | 中铁上海设计院集团有限公司 | A superstructure system for rail operating lines and its implementation method |
| CN116145987A (en) * | 2023-03-24 | 2023-05-23 | 中建新疆建工（集团）有限公司 | A structure and construction method for covering and protecting the entrance and exit section lines of existing subway depots |
| CN116791748B (en) * | 2023-06-15 | 2025-09-05 | 广州地铁设计研究院股份有限公司 | Construction method of large-span prestressed prefabricated structure for the throat area cover of a vehicle depot |
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| CN213682477U (en) * | 2020-10-22 | 2021-07-13 | 中铁上海设计院集团有限公司 | Upper cover structure system applied to track operation line |
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| CN202559264U (en) * | 2012-05-09 | 2012-11-28 | 东北石油大学 | Steel-structure assembled-type framework for erecting traffic signal devices |
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| CN106677339A (en) * | 2017-03-10 | 2017-05-17 | 东南大学 | Assembly integral type concrete frame structure of dry-wet mixed connection of nodes and construction method |
| CN108457422A (en) * | 2018-02-01 | 2018-08-28 | 东南大学 | Precast prestressed beam, assembled composite frame structure and its installation method |
| CN208857974U (en) * | 2018-07-17 | 2019-05-14 | 上海市政工程设计研究总院（集团）有限公司 | One kind being used for assembled integral bridge construction combination overhead station bean column node |
| CN109403458A (en) * | 2018-12-18 | 2019-03-01 | 有利华建材(惠州)有限公司 | Novel pre-fabricated one |
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| CN112095780B (en) * | 2020-10-22 | 2025-08-08 | 中铁上海设计院集团有限公司 | A superstructure system for rail operating lines and its implementation method |
-
2020
- 2020-10-22 CN CN202011138230.6A patent/CN112095780B/en active Active
-
2021
- 2021-09-21 WO PCT/CN2021/119483 patent/WO2022083380A1/en not_active Ceased
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| CN205647362U (en) * | 2016-05-05 | 2016-10-12 | 杭州国电能源环境设计研究院有限公司 | Large -span prestressing force cable photovoltaic support |
| CN205857408U (en) * | 2016-05-12 | 2017-01-04 | 扬州工业职业技术学院 | A kind of Recombined bamboo frame beam column mortise-tenon joint node |
| CN107165272A (en) * | 2017-06-22 | 2017-09-15 | 中国建筑股份有限公司 | Prestressed assembled concrete frame joint connection structure and its construction method |
| CN209941912U (en) * | 2019-04-18 | 2020-01-14 | 中民筑友房屋科技集团有限公司 | Beam column connecting structure for assembly type frame structure building |
| CN209958229U (en) * | 2019-05-13 | 2020-01-17 | 中铁二十四局集团安徽工程有限公司 | External prestressing device for improving span of temporary support of Bailey beam |
| CN213682477U (en) * | 2020-10-22 | 2021-07-13 | 中铁上海设计院集团有限公司 | Upper cover structure system applied to track operation line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112095780A (en) | 2020-12-18 |
| WO2022083380A1 (en) | 2022-04-28 |
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