Prefabricated platform plate structure for rail transit elevated station

Abstract

The utility model relates to the technical field of platform structure design and construction of rail transit elevated stations, in particular to a prefabricated platform plate structure for a rail transit elevated station, which comprises a platform layer, a first cast-in-place beam fixedly connected to the side face of the platform layer, and a second cast-in-place beam fixedly connected to the side face of the first cast-in-place beam. The top of the first cast-in-place beam and the top of the second cast-in-place beam abut against prefabricated platform plates, and grouting holes are formed in the ends and the centers of the prefabricated platform plates. Through cooperative use of the first cast-in-place beam, the second cast-in-place beam, the prefabricated platform plate, the bolts and the grouting holes, the prefabricated platform plate can be adopted, night skylight points are utilized for installation, the influence on a rail-mounted area is reduced, the driving safety is greatly improved, the prefabricated platform plate is more practical during installation, industrial batch production can be achieved, the assembly rate is increased, and the production cost is reduced. The prefabricated platform plate is more convenient to install, normal use of a rail-mounted area is not affected, and the application range of the prefabricated platform plate is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of platform structure design and construction of elevated rail transit stations, in particular to a prefabricated platform plate structure for elevated rail transit stations. Background Art

[0002] Elevated stations in intercity railway and urban rail transit projects typically use reinforced concrete structures at and below the platform level, with steel canopies above the platform level. Steel roofs are used to fully utilize steel structures' characteristics: light weight, wide spans, and flexible design.

[0003] The platform slabs of traditional elevated rail transit stations still have certain shortcomings when in use. When in use, the platform slabs of traditional elevated rail transit stations are generally cast in place. For stations added to existing operating lines, the cast-in-place structure requires formwork, encroaching on the track area, affecting the driving safety and operation of rail transit. Therefore, we have made improvements to this and proposed a prefabricated platform slab structure for elevated rail transit stations. Utility Model Content

[0004] The purpose of the present utility model is to provide a prefabricated platform slab structure for an elevated rail transit station, so as to solve the problem raised in the above-mentioned background technology that the platform slabs of traditional elevated rail transit stations are generally cast in situ, and for additional stations on existing operating lines, the cast-in-situ structure requires formwork, which encroaches on the track area and affects the driving safety and operation of rail transit.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A prefabricated platform slab structure for an elevated rail transit station includes a platform layer, a first cast-in-place beam is fixedly connected to the side of the platform layer, a second cast-in-place beam is fixedly connected to the side of the first cast-in-place beam, the tops of the first cast-in-place beam and the second cast-in-place beam are both abutted against the prefabricated platform slab, grouting holes are opened at the ends and center of the prefabricated platform slab, and bolts are threadedly connected at the ends and center of the prefabricated platform slab, and the bolts are arranged on the sides of the grouting holes.

[0007] As a preferred solution of the present invention, the grouting hole is L-shaped, the grouting hole is connected to the bolt, and the bottom of the bolt extends into the first cast-in-place beam and the second cast-in-place beam respectively.

[0008] As a preferred solution of the present invention, the second cast-in-situ beam and the first cast-in-situ beam are both rectangular in shape, and the first cast-in-situ beam is arranged at the bottom center of the prefabricated platform slab.

[0009] As a preferred solution of the present invention, the length of the second cast-in-situ beam is 1000 cm, and the second cast-in-situ beam is arranged at the end of the prefabricated platform slab.

[0010] As a preferred solution of the present invention, the model of the prefabricated platform plate and the bolts are both Q235B, and a groove is provided on the top of the prefabricated platform plate.

[0011] As a preferred solution of the present invention, the top surface elevations of the first cast-in-situ beam and the second cast-in-situ beam are both 14.450 m, and the top surfaces of the steel plates of the first cast-in-situ beam and the second cast-in-situ beam are horizontal.

[0012] As a preferred solution of the present invention, two bolts are provided, the two bolts are positioned opposite to each other, and the models of the two bolts are the same.

[0013] As a preferred solution of the present invention, a plurality of holes distributed at equal angles are opened in the prefabricated platform plate, and the sizes of the plurality of holes are all 40 mm.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In the present invention, by arranging the coordinated use of the first cast-in-situ beam, the second cast-in-situ beam, the prefabricated platform plate, the bolts and the grouting holes, the prefabricated platform plate can be used and installed by utilizing the night skylight points, thereby reducing the impact on the track area, greatly improving driving safety, and making the prefabricated platform plate more practical during installation.

[0016] 2. In the present invention, the use of prefabricated components is conducive to the realization of industrialized mass production, improving the assembly rate, making the prefabricated platform more convenient to install, and thus will not affect the normal use of the track area, thereby improving the scope of application of the prefabricated platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of the top of the platform layer of the utility model;

[0018] Figure 2 This is a structural diagram of the prefabricated platform slab and the first cast-in-place beam of the utility model;

[0019] Figure 3 This is a structural diagram of the prefabricated platform slab and the second cast-in-situ beam of the utility model;

[0020] Figure 4 This is a structural diagram of the prefabricated platform slab of the utility model.

[0021] In the figure: 1. First cast-in-place beam; 2. Precast platform slab; 3. Second cast-in-place beam; 4. Bolts; 5. Grouting holes; 6. Platform layer; 7. Holes. DETAILED DESCRIPTION

[0022] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] For examples, see Figures 1-4 , the utility model provides a technical solution:

[0024] A prefabricated platform slab structure for an elevated rail transit station includes a platform layer 6, a first cast-in-place beam 1 is fixedly connected to the side of the platform layer 6, a second cast-in-place beam 3 is fixedly connected to the side of the first cast-in-place beam 1, the tops of the first cast-in-place beam 1 and the second cast-in-place beam 3 are both in contact with a prefabricated platform slab 2, and grouting holes 5 are opened at the ends and center of the prefabricated platform slab 2. During the night train shutdown, the prefabricated platform slab 2 is hoisted into place, temporarily fixed with bolts 4, and grouting is poured into the grouting holes 5 to complete the installation of the prefabricated platform slab. Bolts 4 are threadedly connected to the ends and center of the prefabricated platform slab 2, and the bolts 4 are arranged on the sides of the grouting holes 5.

[0025] In this embodiment, Figure 1 and Figure 2 As shown, the grouting hole 5 is L-shaped, the grouting hole 5 is connected to the bolt 4, the bottom of the bolt 4 extends into the first cast-in-place beam 1 and the second cast-in-place beam 3 respectively, the second cast-in-place beam 3 and the first cast-in-place beam 1 are both rectangular in shape, the first cast-in-place beam 1 is arranged at the bottom center of the prefabricated platform slab 2, the length of the second cast-in-place beam 3 is 1000 cm, and the second cast-in-place beam 3 is arranged at the end of the prefabricated platform slab 2.

[0026] Among them, the prefabricated platform slab 2 can be installed using the night skylight points to reduce the impact on the track area, greatly improve driving safety, and make the prefabricated platform slab 2 more practical during installation.

[0027] In this embodiment, Figure 3 and Figure 4 As shown, the model of the prefabricated platform plate 2 and the bolt 4 are both Q235B, a groove is provided on the top of the prefabricated platform plate 2, the top surface elevations of the first cast-in-place beam 1 and the second cast-in-place beam 3 are both 14.450m, the top surfaces of the steel plates of the first cast-in-place beam 1 and the second cast-in-place beam 3 are horizontal, two bolts 4 are provided, the two bolts 4 are positioned opposite to each other, the models of the two bolts 4 are the same, a plurality of holes 7 distributed at equal angles are provided in the prefabricated platform plate 2, and the size of the plurality of holes 7 is 40mm.

[0028] Among them, the use of prefabricated components is conducive to realizing industrialized mass production, improving the assembly rate, making the prefabricated platform plate 2 more convenient to install, and thus will not affect the normal use of the track area, thereby improving the scope of application of the prefabricated platform plate 2.

[0029] The working process of the present utility model is as follows: when the prefabricated platform plate structure for rail transit elevated stations designed by this scheme is in operation, first, positioning steel plates and bolts 4 are embedded on the first cast-in-situ beam 1 and the second cast-in-situ beam 3 of the platform layer 6, and then the prefabricated platform plate 2 is manufactured in the factory according to the design drawings, and holes for the bolts 4 are reserved on the prefabricated platform plate 2. The manufactured prefabricated platform plate 2 is transported to the construction site, and the prefabricated platform plate 2 is hoisted into place during the night train suspension period, temporarily fixed with bolts 4, and grouting is done in the grouting holes 5 to complete the installation of the prefabricated platform plate 2.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prefabricated platform plate structure for a rail transit elevated station, comprising a platform layer (6), characterized in that: The side of the platform layer (6) is fixedly connected to a first cast-in-place beam (1), the side of the first cast-in-place beam (1) is fixedly connected to a second cast-in-place beam (3), the tops of the first cast-in-place beam (1) and the second cast-in-place beam (3) are both in contact with a prefabricated platform plate (2), grouting holes (5) are provided at the end and the center of the prefabricated platform plate (2), and bolts (4) are threadedly connected to the end and the center of the prefabricated platform plate (2), and the bolts (4) are arranged on the side of the grouting holes (5).

2. The prefabricated platform plate structure for a rail transit elevated station according to claim 1, characterized in that: The grouting hole (5) is L-shaped, the grouting hole (5) is connected to the bolt (4), and the bottom of the bolt (4) extends into the first cast-in-place beam (1) and the second cast-in-place beam (3), respectively.

3. The prefabricated platform plate structure for a rail transit elevated station according to claim 1, characterized in that: The second cast-in-situ beam (3) and the first cast-in-situ beam (1) are both rectangular in shape, and the first cast-in-situ beam (1) is arranged at the bottom center of the prefabricated platform slab (2).

4. The prefabricated platform plate structure for a rail transit elevated station according to claim 1, characterized in that: The length of the second cast-in-situ beam (3) is 1000 cm, and the second cast-in-situ beam (3) is arranged at the end of the prefabricated platform slab (2).

5. The prefabricated platform plate structure for a rail transit elevated station according to claim 1, characterized in that: The model of the prefabricated platform plate (2) and the bolt (4) are both Q235B, and a groove is provided on the top of the prefabricated platform plate (2).

6. The prefabricated platform slab structure for a rail transit elevated station according to claim 1, characterized in that: The top surface elevations of the first cast-in-situ beam (1) and the second cast-in-situ beam (3) are both 14.450 m, and the top surfaces of the steel plates of the first cast-in-situ beam (1) and the second cast-in-situ beam (3) are horizontal.

7. The prefabricated platform slab structure for a rail transit elevated station according to claim 1, characterized in that: Two bolts (4) are provided, the two bolts (4) are positioned opposite to each other, and the models of the two bolts (4) are the same.

8. The prefabricated platform slab structure for a rail transit elevated station according to claim 1, characterized in that: The prefabricated platform plate (2) is provided with a plurality of holes (7) distributed at equal angles, and the size of the plurality of holes (7) is 40 mm.

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