Multi-span continuous long-span pile-slab bridge structure

Abstract

The utility model discloses a kind of multi-span continuous large-span pile slab bridge structures, including prefabricated beam, the prefabricated beam is provided with several groups, the prefabricated beam is overlapped on bent cap upside, several groups the prefabricated beam is connected by to group component. By to prefabricated beam side preassembled pair group component, after pairing, it realizes quick connection, compared with the process method of traditional bolt connection, can save a lot of construction time, improve construction efficiency, using pre-group modular construction, cost is low, durability is good, green environmental protection.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, specifically to a multi-span continuous long-span pile-slab bridge structure. Background Technology

[0002] The current pile-slab bridges mainly include bridge engineering components such as cast-in-place bridge deck paving, precast beams, cap beams, cast-in-place crossbeams, columns, and foundation piles; the continuous beam system adopts the construction method of simple support first and then continuous, adding cast-in-place crossbeams on the basis of the simple support beam construction process, and each section of simple support beam slab forms a continuous whole at the longitudinal beam slab pier top position, thus transforming the simple support beam system into a continuous beam system.

[0003] The joints of the bridge roof slab require formwork and on-site pouring, which necessitates splicing the construction formwork. Currently, most steel formwork is connected using bolts, which is cumbersome, prolongs the construction time of wet joints in bridges, and affects construction efficiency. Utility Model Content

[0004] This invention provides a multi-span continuous long-span pile-slab bridge structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A multi-span continuous long-span pile-slab bridge structure includes precast beams, which are arranged in several groups. The precast beams overlap the upper side of the cap beam, and the several groups of precast beams are connected by the group components.

[0007] Preferably, the lower end of the cap beam is mounted on the pipe pile.

[0008] Preferably, the two ends of the precast beam overlap on different cap beams, and a longitudinal structural joint is formed between the precast beams overlapping on two adjacent sets of cap beams.

[0009] Preferably, a transverse structural joint is formed between the end of a precast beam that overlaps the same cap beam and the end of another precast beam.

[0010] Preferably, a composite layer is cast on top of the precast beam.

[0011] Preferably, the composite layer is a concrete structure.

[0012] Preferably, both the longitudinal and transverse structural joints are filled with concrete.

[0013] Preferably, the assembly includes two sets of first connectors disposed on the end face of the precast beam and a second connector for fixing the two sets of first connectors. The two sets of first connectors are symmetrically arranged. Each first connector has a recessed groove. The recessed grooves of the two sets of first connectors are combined to form a fixing cavity. A positioning fixing plate is disposed in the fixing cavity. The positioning fixing plate is fixedly connected to the first connector. The positioning fixing plates located on the two sets of first connectors are mutually fitted. The second connector has a fixing limiting groove. The two fitted positioning fixing plates are inserted into the fixing limiting groove. The second connector is inserted into the fixing cavity.

[0014] Preferably, a slot is provided inside the fixed cavity;

[0015] The second connector is provided with a locking ear, which engages with the locking slot.

[0016] Preferably, the first connector is provided with a first limiting groove, and the second connector is provided with a second limiting groove. When the second connector is inserted into the fixed cavity, the first limiting groove and the second limiting groove are axially coincident.

[0017] A fixing rod is inserted into the first limiting groove and the second limiting groove.

[0018] Compared with the prior art, the present invention has at least the following beneficial effects:

[0019] By pre-assembling the precast beams with assembly components on the sides, rapid connection can be achieved after assembly. Compared with the traditional method of connecting with bolts, this method can save a lot of construction time and improve construction efficiency. The pre-assembled modular construction method is low in cost, durable, and environmentally friendly. Attached Figure Description

[0020] Figure 1 This is a cross-sectional view of the main structure of this utility model;

[0021] Figure 2 This is a top view of the main structure of this utility model;

[0022] Figure 3 This is a front view schematic diagram of the main structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the assembly structure of this utility model.

[0024] In the diagram: 1. Pipe pile; 2. Cap beam; 3. Precast beam; 4. Composite layer; 5. Longitudinal structural joint; 7. Transverse structural joint; 8. First connector; 9. Positioning and fixing plate; 10. Slot; 11. First limiting slot; 12. Second connector; 13. Second limiting slot; 14. Positioning ear; 15. Fixing limiting slot. Detailed Implementation

[0025] In this utility model, the terms "first," "second," etc., are used for descriptive purposes only and do not specifically refer to any order or sequence, nor are they intended to limit the utility model. They are merely used to distinguish protective components or operations described with the same technical terms, and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of that feature. Furthermore, the technical solutions and features of the various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0026] Example 1

[0027] Please see Figure 1-3 A multi-span continuous long-span pile-slab bridge structure includes precast beams 3, which are arranged in several groups. The precast beams 3 overlap the upper side of the cap beam 2, and the several groups of precast beams 3 are connected by the group components.

[0028] The lower end of the cap beam 2 is mounted on the pipe pile 1.

[0029] The precast beam 3 is overlapped at both ends on different cap beams 2, and a longitudinal structural joint 5 is formed between the precast beams 3 overlapping on two adjacent sets of cap beams 2.

[0030] A transverse structural joint 7 is formed between the end of a precast beam 3 that overlaps with the end of another precast beam 3 on the same cap beam 2.

[0031] A composite layer 4 is cast on top of the precast beam 3.

[0032] The composite layer 4 is a concrete structure.

[0033] Concrete was poured into both the longitudinal structural joint 5 and the transverse structural joint 7.

[0034] The paired components are disposed within the structural joint.

[0035] The working principle and beneficial effects of the above scheme are as follows:

[0036] By pre-assembling the assembly components on three sides of the precast beam, a quick connection can be achieved after assembly. Compared with the traditional method of connecting with bolts, this can save a lot of construction time and improve construction efficiency. The pre-assembled modular construction is low in cost, durable, and environmentally friendly.

[0037] Example 2

[0038] Please see Figure 4Based on Embodiment 1, the assembly includes two sets of first connectors 8 disposed on the end face of the precast beam 3 and a second connector 12 for fixing the two sets of first connectors 8. The two sets of first connectors 8 are symmetrically arranged. The first connectors 8 are provided with recessed grooves. The recessed grooves of the two sets of first connectors 8 are combined to form a fixed cavity. A locking plate 9 is disposed in the fixed cavity. The locking plate 9 is fixedly connected to the first connectors 8. The locking plates 9 located on the two sets of first connectors 8 are mutually fitted. The second connector 12 is provided with a fixing limiting groove 15. The two fitted locking plates 9 are inserted into the fixing limiting groove 15. The second connector 12 is inserted into the fixed cavity.

[0039] A slot 10 is provided inside the fixed cavity;

[0040] The second connector 12 is provided with a locking ear 14, which engages with the slot 10.

[0041] The first connector 8 is provided with a first limiting groove 11, and the second connector 12 is provided with a second limiting groove 13. When the second connector 12 is inserted into the fixed cavity, the first limiting groove 11 and the second limiting groove 13 are axially coincident.

[0042] A fixing rod is inserted into the first limiting groove 11 and the second limiting groove 13.

[0043] The working principle and beneficial effects of the above scheme are as follows:

[0044] The first connector 8 is pre-installed on the side of the precast beam 3. When assembling the precast beam 3, the first connector 8 is aligned and the locking plate 9 of the first connector 8 is attached. Then, the second connector 12 is inserted into the fixing cavity. The fixing limiting groove 15 locks the two sets of locking plates 9, realizing the connection between adjacent precast beams 3. Afterwards, the structural joint between the precast beams 3 is poured to ensure the strength of the precast beams. Compared with the traditional process of using bolts for connection, the operation of inserting the second connector 12 simplifies the operation steps, saves a lot of construction time, and improves construction efficiency.

[0045] When the second connector 12 is inserted into the fixed cavity, the locking ear 14 is locked onto the locking groove 10 to prevent the second connector 12 from falling off. After inserting several second connectors 12, the fixing rod can be inserted into the first limiting groove 11 and the second limiting groove 13 that are arranged in the same straight line to further prevent the second connector 12 from falling off relative to the first connector 8.

[0046] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A multi-span continuous long-span pile-slab bridge structure, characterized in that, It includes precast beams (3), which are provided in several groups. The precast beams (3) overlap the upper side of the cap beam (2), and the several groups of precast beams (3) are connected by the group components.

2. The multi-span continuous long-span pile-slab bridge structure according to claim 1, characterized in that, The lower end of the cap beam (2) is set on the pipe pile (1).

3. The multi-span continuous long-span pile-slab bridge structure according to claim 1, characterized in that, The two ends of the precast beam (3) are overlapped on different cap beams (2), and a longitudinal structural joint (5) is formed between the precast beams (3) overlapped on two adjacent sets of cap beams (2).

4. The multi-span continuous long-span pile-slab bridge structure according to claim 3, characterized in that, A transverse structural joint (7) is formed between the end of a precast beam (3) that overlaps the same cap beam (2) and the end of another precast beam (3).

5. The multi-span continuous long-span pile-slab bridge structure according to claim 1, characterized in that, A composite layer (4) is poured on top of the precast beam (3).

6. The multi-span continuous long-span pile-slab bridge structure according to claim 5, characterized in that, The composite layer (4) is a concrete structure.

7. A multi-span continuous long-span pile-slab bridge structure according to claim 4, characterized in that, Concrete was poured into both the longitudinal structural joint (5) and the transverse structural joint (7).

8. A multi-span continuous long-span pile-slab bridge structure according to claim 1, characterized in that, The assembly includes two sets of first connectors (8) set on the end face of the precast beam (3) and a second connector (12) that fixes the two sets of first connectors (8). The two sets of first connectors (8) are symmetrically arranged. The first connectors (8) are provided with recessed grooves. The recessed grooves of the two sets of first connectors (8) are combined to form a fixed cavity. A locking plate (9) is provided in the fixed cavity. The locking plate (9) is fixedly connected to the first connector (8). The locking plates (9) located on the two sets of first connectors (8) are attached to each other. The second connector (12) is provided with a fixed limiting groove (15). The two attached locking plates (9) are inserted into the fixed limiting groove (15). The second connector (12) is inserted into the fixed cavity.

9. A multi-span continuous long-span pile-slab bridge structure according to claim 8, characterized in that, A slot (10) is provided inside the fixed cavity; The second connector (12) is provided with a locking ear (14), which engages with the slot (10).

10. A multi-span continuous long-span pile-slab bridge structure according to claim 8, characterized in that, The first connector (8) is provided with a first limiting groove (11), and the second connector (12) is provided with a second limiting groove (13). When the second connector (12) is inserted into the fixed cavity, the first limiting groove (11) and the second limiting groove (13) are axially coincident. A fixing rod is inserted into the first limiting groove (11) and the second limiting groove (13).

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