Prefabricated bridge beam slab splicing structure

Abstract

The utility model discloses a prefabricated bridge beam plate splicing structure, which belongs to the technical field of prefabricated bridges and comprises a plurality of groups of mutually spliced prefabricated beam bodies, first connecting ribs are embedded on two sides of each prefabricated beam body, and second connecting ribs are arranged on the other two sides of each prefabricated beam body. The prefabricated connecting plate is used for fixing the prefabricated beam body; the second connecting ribs are arranged on the two sides of the precast beam bodies, the structure is simple, convenience and practicability are achieved, the precast beam bodies can be connected and fixed by pouring concrete in the reserved seams between the precast beam bodies, the stability of connection between the precast beam bodies can be improved, meanwhile, grooving in the precast beam bodies is avoided, and the production efficiency is improved. The overall strength of the precast beam body is improved, the precast beam body is regular in shape and convenient to machine, the machining cost and the use cost are reduced, and the stability of connection with the pier body can be improved by being used in cooperation with structures such as precast connecting pieces.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated bridges, in particular to a prefabricated bridge beam and slab splicing structure. Background Art

[0002] With the continuous progress of society, the construction environment of bridges has received more and more attention, especially for urban core bridges. The construction period, construction noise pollution, and traffic pressure have gradually become the primary considerations in bridge design. Prefabrication technology has the advantages of standard component production, fast and convenient on-site installation, and energy-saving and environmentally friendly construction. It can reduce the impact on the atmospheric environment and traffic roads, improve quality and safety, and civilized construction level.

[0003] After searching, in the prior art, Chinese Patent Publication No.: CN220099628U discloses a bridge precast panel, the utility model: includes multiple bridge piers, each bridge pier is provided with a second steel bar, each second steel bar can be placed on both sides of the left and right precast panels, the precast panels in the left and right directions are fixedly connected by the second T-block or the first T-block and then cast, the first precast panel and the third precast panel are fixedly connected with multiple first steel bars, the third precast panel and the second precast panel are provided with a pouring trough, the precast panels in the front and rear directions are reinforced by placing the first steel bars in the pouring trough and then pouring cement, the bridge pier connection mechanism can fix the precast panels and the bridge piers through the bridge piers, the first precast panel and the first T-block, and reinforce them by pouring cement, a reinforcement mechanism is set, the first precast panel, the third precast panel and the second precast panel can be reinforced through the pouring trough, the third steel bar and the first steel bar, and the reinforcement is performed by pouring cement into the pouring trough.

[0004] But this device still has the following defects:

[0005] In the construction of prefabricated bridges, a large number of prefabricated bridge panels need to be spliced ​​to form the bridge body. The prefabricated panels of the device are provided with multiple groups of casting troughs, connecting troughs, T-slots and first steel bars, which leads to complex structure of the prefabricated panels, great difficulty in processing and increased cost of use. The device does not solve this problem well. Utility Model Content

[0006] The purpose of the utility model is to provide a prefabricated bridge beam-slab splicing structure. By arranging second connecting ribs on both sides of the prefabricated beam body, concrete can be poured in the reserved gaps between the prefabricated beam bodies to improve the stability of the connection between the prefabricated beam bodies, while avoiding grooving on the prefabricated beam body, thereby improving the overall strength of the prefabricated beam body, making the prefabricated beam body simple in structure and regular in shape for easy processing, thereby reducing processing costs and use costs, thereby solving the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A prefabricated bridge beam-slab splicing structure, comprising a plurality of groups of prefabricated beam bodies spliced ​​to each other, first connecting ribs being embedded on both sides of the prefabricated beam bodies, and second connecting ribs being arranged on the other two sides of the prefabricated beam bodies;

[0009] It also includes a prefabricated connecting plate for fixing the prefabricated beam body, wherein the top of the prefabricated connecting plate is integrally formed with a plurality of groups of limit blocks, the bottom of the prefabricated connecting plate is integrally formed with a connecting portion, and a casting groove is opened in the middle of the prefabricated connecting plate;

[0010] It also includes a pier body, and a connecting groove is opened on the top of the pier body.

[0011] Preferably, the prefabricated beam body includes a bridge panel, a supporting body is provided below the bridge panel, the supporting body is a hollow structure, and the bridge panel and the supporting body are integrally formed.

[0012] Preferably, the prefabricated beam body is provided with two sets of lifting ears for facilitating lifting, and the lifting ears are buried on both sides of the bridge deck.

[0013] Preferably, a group of second connecting ribs is buried above one side of the bridge deck, and another group of second connecting ribs is buried below the other side of the bridge deck.

[0014] Preferably, a third connecting rib used in conjunction with the first connecting rib is embedded in the top surface of the prefabricated connecting plate, and a fourth connecting rib is embedded in the inner wall of the casting trough.

[0015] Preferably, the connecting portion and the connecting groove are mutually engaged, and a fifth connecting rib used in conjunction with the fourth connecting rib is embedded in the bottom of the connecting groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides second connecting ribs on both sides of the precast beam body, has a simple structure, is convenient and practical, can connect and fix the precast beam bodies by pouring concrete in the reserved gaps between the precast beam bodies, can improve the stability of the connection between the precast beam bodies, avoids grooving on the precast beam bodies, improves the overall strength of the precast beam bodies, makes the precast beam bodies regular in shape, is easy to process, reduces the processing cost and the use cost, and is used in conjunction with structures such as precast connecting parts to improve the stability of the connection with the pier body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the precast beam structure;

[0020] Figure 3 This is a schematic diagram of the prefabricated connecting plate and the pier body structure.

[0021] In the figure: 1. Precast beam body; 101. Bridge panel; 102. Support body; 103. Lifting ear; 2. First connecting rib; 3. Second connecting rib; 4. Precast connecting plate; 5. Limiting block; 6. Connecting part; 7. Casting trough; 8. Pier body; 9. Connecting trough; 10. Third connecting rib; 11. Fourth connecting rib; 12. Fifth connecting rib. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 3 , the utility model provides a technical solution:

[0024] A prefabricated bridge beam-slab splicing structure comprises a plurality of groups of prefabricated beam bodies 1 spliced ​​with each other. By adopting a plurality of groups of prefabricated bridge slabs to form the bridge body, the bridge components are more regular and the on-site installation is fast, which can reduce the impact on the atmospheric environment and road traffic; the prefabricated beam body 1 comprises a bridge panel 101, a support body 102 is arranged below the bridge panel 101, two groups of lifting ears 103 for easy lifting are arranged on the prefabricated beam body 1, the lifting ears 103 are buried on both sides of the bridge panel 101, the support body 102 is a hollow structure, the bridge panel 101 and the support body 102 are integrally formed, and by arranging the bridge panel 101 and the support body 102 for use together, a gap can be made between the support body 102 to prevent the thermal expansion and contraction of the support body 102 from affecting each other, and by adopting a hollow structure , which will reduce the material usage and reduce the cost, while reducing the weight and facilitating lifting; first connecting ribs 2 are buried on both sides of the precast beam body 1. By setting the first connecting ribs 2, the stability of the connection between the precast beam body 1 and the precast connecting plate 4 can be improved; a group of second connecting ribs 3 are buried above one side of the bridge panel 101, and another group of second connecting ribs 3 are buried below the other side of the bridge panel 101. By arranging the second connecting ribs 3 on both sides of the precast beam body 1, the precast beam bodies 1 can be connected and fixed by pouring concrete in the reserved gaps between the precast beam bodies 1, which can improve the stability of the connection between the precast beam bodies 1, avoid grooving on the precast beam body 1, improve the overall strength of the precast beam body 1, make the precast beam body 1 regular in shape, easy to process, and reduce the processing cost and use cost.

[0025] It also includes a prefabricated connecting plate 4 for fixing the prefabricated beam body 1. The top of the prefabricated connecting plate 4 is integrally formed with a plurality of limit blocks 5. The bottom of the prefabricated connecting plate 4 is integrally formed with a connecting portion 6. A casting groove 7 is provided in the middle of the prefabricated connecting plate 4. A third connecting rib 10 used in conjunction with the first connecting rib 2 is buried in the top surface of the prefabricated connecting plate 4. A fourth connecting rib 11 is buried in the inner wall of the casting groove 7. It also includes a pier body 8. The top of the pier body 8 is provided with a connecting groove 9. The connecting portion 6 and the connecting groove 9 are mutually engaged. A fifth connecting rib 12 used in conjunction with the fourth connecting rib 11 is buried in the bottom of the connecting groove 9. By providing the prefabricated connecting plate 4, the stability of the connection between the prefabricated beam bodies 1 can be improved, and by providing the third connecting rib 10, the stability of the connection can be further improved. At the same time, it is convenient to fix the prefabricated beam body 1 to the pier body, and the fourth connecting rib 11 and the fifth connecting rib 12 can be used in conjunction with the pier body to further improve the stability of the connection between the prefabricated beam body 1 and the pier body.

[0026] During specific use, the device is moved to the specified position, the prefabricated connecting plate 4 is hoisted above the pier body 8, the prefabricated connecting plate 4 is moved so that the connecting portion 6 is aligned with the connecting groove 9, the prefabricated connecting plate 4 is lowered, and the connecting portion 6 is inserted into the connecting groove 9 at the same time. The connecting portions 6 of other prefabricated connecting plates 4 are inserted into the connecting grooves 9 of other pier bodies 8 by the same operation, and then the prefabricated beam body 1 is hoisted, and the two ends of the prefabricated beam body 1 are respectively aligned between the limit blocks 5 on the prefabricated connecting plate 4, and then lowered. The other prefabricated beam bodies 1 are hoisted by the same operation, and then the templates are installed at the connection between the prefabricated beam body 1 and the prefabricated connecting plate 4 and the connection between the prefabricated beam bodies 1, and then concrete is poured into the connection, and the concrete is waited for to be fixed, and the installation is completed.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prefabricated bridge beam-slab splicing structure, characterized in that: It comprises a plurality of groups of prefabricated beam bodies (1) spliced ​​to each other, wherein first connecting ribs (2) are embedded on two sides of the prefabricated beam body (1), and second connecting ribs (3) are arranged on the other two sides of the prefabricated beam body (1); It also includes a prefabricated connecting plate (4) for fixing the prefabricated beam body (1), wherein the top of the prefabricated connecting plate (4) is integrally provided with a plurality of groups of limit blocks (5), the bottom of the prefabricated connecting plate (4) is integrally provided with a connecting portion (6), and a casting groove (7) is provided in the middle of the prefabricated connecting plate (4); It also comprises a pier body (8), and a connecting groove (9) is provided on the top of the pier body (8).

2. The prefabricated bridge beam-slab splicing structure according to claim 1 is characterized in that: The prefabricated beam body (1) comprises a bridge panel (101), a supporting body (102) is arranged below the bridge panel (101), the supporting body (102) is a hollow structure, and the bridge panel (101) and the supporting body (102) are integrally formed.

3. The prefabricated bridge beam-slab splicing structure according to claim 2 is characterized in that: The prefabricated beam body (1) is provided with two groups of lifting ears (103) for facilitating lifting, and the lifting ears (103) are embedded in both sides of the bridge deck (101).

4. The prefabricated bridge beam-slab splicing structure according to claim 3 is characterized in that: A group of second connecting ribs (3) is buried above one side of the bridge deck (101), and another group of second connecting ribs (3) is buried below the other side of the bridge deck (101).

5. The prefabricated bridge beam-slab splicing structure according to claim 1 is characterized in that: A third connecting rib (10) used in conjunction with the first connecting rib (2) is embedded in the top surface of the prefabricated connecting plate (4), and a fourth connecting rib (11) is embedded in the inner wall of the casting trough (7).

6. The prefabricated bridge beam-slab splicing structure according to claim 1 is characterized in that: The connecting portion (6) and the connecting groove (9) are mutually clamped, and a fifth connecting rib (12) for use in conjunction with a fourth connecting rib (11) is embedded in the bottom of the connecting groove (9).

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