Large-span prestressed beam slab reinforcing structure

Abstract

The utility model relates to the technical field of beam slab connecting structures, and discloses a large-span prestressed beam slab reinforcing structure, which solves the technical problem that the position of the joint of the beam slab is greatly damaged at present, and comprises a base, a cross beam, pavement slabs and a connecting block, and the connecting block is arranged between the two pavement slabs; the cross beam comprises a U-shaped base, a prestress plate, a buffer piece and a tension workpiece, the prestress plate is installed on the inner bottom face of the U-shaped base through the buffer piece, the tension workpiece is connected between the prestress plate and the inner bottom face of the U-shaped base and used for enabling the buffer piece to be in a compressed state, and the buffer piece in the compressed state provides prestress for the prestress plate; the connecting blocks are installed on the upper surfaces of the prestressed plates, and the two ends of the pavement slab are installed on the top faces of the two prestressed plates correspondingly. According to the technical scheme, the cross beam structure with the buffering function is utilized, and the connecting blocks are additionally arranged between the pavement slabs, so that instant impact pressure is buffered, and the pavement slabs at the joints of the beams and the slabs are prevented from being damaged.

Description

Technical Field

[0001] This utility model relates to the field of beam-slab connection structure technology, and more specifically, it relates to a large-span prestressed beam-slab reinforcement structure. Background Technology

[0002] Beam-slab structures consist of beams and slabs and have many applications. Taking elevated roads as an example, the road slabs are installed between corresponding crossbeams (columns).

[0003] In existing beam-slab connection structures, the pavement slab is typically placed directly on the crossbeams. However, when the span of the pavement slab is large, i.e., the distance between adjacent crossbeams is significant, the pavement slab itself becomes heavy. Over time, the deformation in the middle of the pavement slab exceeds that at the ends, resulting in a smaller depression in the middle. When vehicles travel at high speeds over this surface and reach the pavement slab connection point, they experience significant bumps. This bumpiness is essentially akin to climbing a slope when the vehicle reaches the connection point, creating an impact force that amplifies the damage to the pavement slab structure at this location. Damage to the pavement slab itself is more likely to occur at the joint.

[0004] Therefore, a new design is needed for the beam-slab connection structure. Utility Model Content

[0005] In response to the technical problem of significant damage at the beam-slab connection points in existing technologies, as mentioned in the background section, this utility model utilizes a crossbeam structure with a buffer function and adds connecting blocks between road panels to buffer instantaneous impact pressure and prevent road panel damage at the beam-slab connection points.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A large-span prestressed beam-slab reinforcement structure includes a base, crossbeams, and road panels. The crossbeams are installed on the top surface of the base, and the two ends of the road panels are respectively installed on the top surfaces of the two crossbeams. The structure also includes a connecting block, which is placed between the two road panels.

[0008] The crossbeam includes a U-shaped base, a prestressed plate, a buffer, and a tension workpiece. The U-shaped base is fixed to the top surface of the base with its opening facing upward. The prestressed plate is installed on the inner bottom surface of the U-shaped base through the buffer. The tension workpiece is connected between the prestressed plate and the inner bottom surface of the U-shaped base and is used to keep the buffer in a compressed state. The buffer in the compressed state provides prestress to the prestressed plate.

[0009] The connecting block is installed on the upper surface of the prestressed plate, and the road surface plates are respectively installed on the top surfaces of the two prestressed plates.

[0010] By the technical scheme, the beam structure with the buffering function is used, and the connecting block is arranged between the road surface plates to buffer the impact pressure in the moment, and the road surface plate at the connecting position of the beam and the plate is prevented from being damaged.

[0011] Further, the bottom surface of the U-shaped base is provided with a thickened bottom plate, the thickened bottom plate and the U-shaped base are integrally formed, and the prestressed plate, the buffering member and the tension member are all installed above the thickened bottom plate.

[0012] By the technical scheme, the support load capacity of the U-shaped base is strengthened.

[0013] Further, the U-shaped base has two movable maintenance side plates, and the maintenance side plates are rotationally connected to the bottom plate of the U-shaped base.

[0014] By the technical scheme, the use state of the internal buffering member can be maintained by opening the maintenance side plate.

[0015] Further, the U-shaped base has a maintenance space inside.

[0016] Further, the buffering member is configured as a compression spring.

[0017] Further, the tension member is configured as a hydraulic tension arm.

[0018] Further, the road surface plate is provided with a T-shaped opening, and the connecting block is provided with a T-shaped connecting block on both sides, and when the connecting block is installed between the two road surface plates, the T-shaped connecting block is clamped in the T-shaped opening.

[0019] In summary, the utility model has the following beneficial effects:

[0020] The beam structure with the buffering function is used, and the connecting block is arranged between the road surface plates to buffer the impact pressure in the moment, and the road surface plate at the connecting position of the beam and the plate is prevented from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a sectional structure schematic view of the beam plate reinforcing structure of the utility model;

[0022] Fig. 2 It is a cross section structure schematic view of the beam of the utility model.

[0023] Fig. 3 It is a top view schematic view of the beam plate reinforcing structure of the utility model.

[0024] Reference signs: 1, base; 2, cross beam; 2-1, U-shaped base; 2-11, thickened bottom plate; 2-12, maintenance side plate; 2-13, bottom plate; 2-14, maintenance space; 2-2, prestressed plate; 2-3, buffer; 2-4, tension workpiece; 3, road surface plate; 3-1, T-shaped opening; 4, connecting block; 4-1, T-shaped connecting block. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in combination with examples and drawings, but the implementation of the utility model is not limited to this.

[0026] A large-span prestressed beam plate reinforcing structure, in combination Figs. 1-3 It can be known that it comprises base 1, cross beam 2, road surface plate 3 and connecting block 4, cross beam 2 is installed on the top surface of base 1, road surface plate 3 is installed on the top surface of two cross beams 2 respectively, and connecting block 4 is arranged between the two road surface plates 3. Road surface plate 3 is provided with T-shaped opening 3-1, and T-shaped connecting block 4-1 is arranged on the two sides of connecting block 4, when connecting block 4 is installed between the two road surface plates 3, T-shaped connecting block 4-1 is clamped in T-shaped opening 3-1.

[0027] In the embodiment, cross beam 2 comprises U-shaped base 2-1, prestressed plate 2-2, buffer 2-3 and tension workpiece 2-4. Among them, buffer 2-3 is configured as a compression spring in the embodiment, tension workpiece 2-4 is configured as a hydraulic tension arm in the embodiment, U-shaped base 2-1 is arranged in a U-shaped shape with the opening upward and is fixed on the top surface of base 1, the bottom surface of U-shaped base 2-1 is provided with thickened bottom plate 2-11, thickened bottom plate 2-11 is integrally formed with U-shaped base 2-1, prestressed plate 2-2, buffer 2-3 and tension workpiece 2-4 are all installed above thickened bottom plate 2-11.

[0028] The specific installation scheme of prestressed plate 2-2, buffer 2-3 and tension workpiece 2-4 is as follows: prestressed plate 2-2 is installed on the inner bottom surface of U-shaped base 2-1 through buffer 2-3, tension workpiece 2-4 is connected between prestressed plate 2-2 and the inner bottom surface of U-shaped base 2-1 and is used to make buffer 2-3 in a compressed state, and the buffer 2-3 in the compressed state provides prestress for prestressed plate 2-2; then connecting block 4 is installed on the upper surface of prestressed plate 2-2, and road surface plate 3 is installed on the top surface of two prestressed plates 2-2 respectively.

[0029] In order to facilitate the internal maintenance of the cross beam 2, the U-shaped base 2-1 has two movable maintenance side plates 2-12 which are rotationally connected to the bottom plate 2-13 of the U-shaped base 2-1. The U-shaped base 2-1 has a maintenance space 2-14 inside.

[0030] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and refinements without departing from the principles of the present application, these improvements and refinements shall also be considered as the protection scope of the present application.

Claims

1. A large-span prestressed beam-slab reinforcement structure, comprising a base (1), crossbeams (2), and a pavement panel (3), wherein the crossbeams (2) are installed on the top surface of the base (1), and the pavement panel (3) is installed at both ends on the top surfaces of the two crossbeams (2), characterized in that, Further comprising a connecting block (4) arranged between two road panels (3); The crossbeam (2) comprises a U-shaped base (2-1), a prestressed plate (2-2), a buffer (2-3) and a tension workpiece (2-4), the U-shaped base (2-1) is fixed on the top surface of the base (1) with the opening facing upward, the prestressed plate (2-2) is installed on the inner bottom surface of the U-shaped base (2-1) through the buffer (2-3), the tension workpiece (2-4) is connected between the prestressed plate (2-2) and the inner bottom surface of the U-shaped base (2-1) and is used for keeping the buffer (2-3) in a compressed state, and the buffer (2-3) in the compressed state provides prestress for the prestressed plate (2-2). The connecting block (4) is installed on the upper surface of the prestressed plate (2-2), and the road panels (3) are respectively installed on the top surfaces of two prestressed plates (2-2).

2. The reinforcing structure for long-span prestressed beam-slab according to claim 1, characterized in that: The bottom surface of the U-shaped base (2-1) is provided with a thickened bottom plate (2-11), the thickened bottom plate (2-11) and the U-shaped base (2-1) are integrally formed, and the prestressed plate (2-2), the buffer (2-3) and the tension workpiece (2-4) are all installed above the thickened bottom plate (2-11).

3. The reinforcing structure for long-span prestressed beam-slab according to claim 1, characterized in that: The U-shaped base (2-1) has two movable maintenance side plates (2-12), and the maintenance side plates (2-12) are rotationally connected to the bottom plate (2-13) of the U-shaped base (2-1).

4. The reinforcing structure for long-span prestressed beam-slab according to claim 3, characterized in that: The U-shaped base (2-1) has a maintenance space (2-14) inside.

5. The reinforcing structure for long-span prestressed beam-slab according to claim 1, characterized in that: The buffer (2-3) is configured as a compression spring.

6. The reinforcing structure for long-span prestressed beam-slab according to claim 1, characterized in that: The tension workpiece (2-4) is configured as a hydraulic tension arm.

7. The reinforcing structure for long-span prestressed beam-slab according to claim 1, characterized in that: The road panel (3) is provided with a T-shaped opening (3-1), and the connecting block (4) is provided with a T-shaped connecting block (4-1) on both sides, when the connecting block (4) is installed between two road panels (3), the T-shaped connecting block (4-1) is clamped in the T-shaped opening (3-1).

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