Integral bridge structure

Abstract

The utility model discloses an integral bridge structure, which belongs to the technical field of bridge design, and comprises a plurality of beam bodies, a first support component and a second support component, the beam bodies are arranged along the longitudinal direction, the beam ends and the middle parts of the beam bodies are respectively supported by the first support component and the second support component, and meanwhile, the first support component and the second support component are arranged on the beam bodies. The first bearing platforms in the first base used for supporting the two side piers in the first supporting assembly are divided into the two first bearing platforms, the two first bearing platforms correspond to the side piers correspondingly for supporting, the rigidity of the first base is weakened, then the rigidity of the side piers is weakened, and the problem that the rigidity of the side piers in an existing bridge structure is large is solved; and the structural stress requirement of the bridge structure at the beam seam is met.

Description

Technical Field

[0001] This utility model belongs to the field of bridge design, specifically relating to an integral bridge structure. Background Technology

[0002] Integral bridges have advantages such as small pier cross-sections, high longitudinal overall stiffness, no supports at the bottom, saving construction costs, avoiding support defects, reducing later maintenance costs, and avoiding line downtime caused by support replacement.

[0003] Integral bridges generally consist of a central pier and side piers. Side piers are typically located at the joint between two beams and are significantly affected by factors such as beam temperature and shrinkage deformation. When the height of the side pier is relatively small, its stiffness is often too high, which may not meet the structural stress requirements of the beam and limits the application range of integral bridges. Therefore, when the side pier is small, methods to reduce its longitudinal stiffness are generally adopted to improve its performance.

[0004] For the side piers of an overall bridge, the longitudinal stiffness is mainly determined by two factors: the cross-sectional dimensions of the pier body and the stiffness of the foundation. Among them, there is a minimum requirement for the cross-sectional dimensions of the pier body, which cannot be reduced further after a certain point. In the existing technology, the side piers of two-span beams generally share a foundation, which has a large foundation stiffness and is difficult to reduce. Utility Model Content

[0005] In view of one or more of the above-mentioned defects or improvement needs of the prior art, the present invention provides an integral bridge structure that can reduce the stiffness of the side piers at the beam ends and meet the structural stress requirements of the integral bridge structure.

[0006] To achieve the above objectives, this utility model provides an integral bridge structure, which includes a beam, a first support component, and a second support component;

[0007] Multiple beams are arranged sequentially along the longitudinal direction, and a beam joint is provided between two adjacent beams.

[0008] The first support assembly is disposed below the beam joint and is used to support the beam end of the beam body; the first support assembly includes a side pier and a first base, the side piers are spaced two apart, and the tops of the two side piers are respectively fixed to the bottom of the beam end of the two beam bodies at the beam joint; the first base is disposed at the bottom of the side piers and includes two first pile caps and a first pile foundation group, the bottoms of the two side piers are respectively fixed to the two first pile caps, and the two first pile caps are fixed to the first pile foundation group;

[0009] The second support component is disposed below the middle part of the beam and is used to support the middle part of the beam.

[0010] As a further improvement of this utility model, at least one first pile foundation group is provided at the bottom of each first pier, and multiple first pile foundations are provided at intervals along the transverse direction of the beam in each first pile foundation group.

[0011] As a further improvement of this utility model, the first pile foundation is located at one end of the first pier cap near the beam joint.

[0012] As a further improvement of this utility model, the first pile foundation group includes two first pile foundations, which are symmetrically arranged along the transverse centerline of the beam.

[0013] As a further improvement of this utility model, a first pile foundation group is set at the bottom of the two first pile caps, and the two first pile caps are simultaneously fixed on one first pile foundation group. Multiple first pile foundations are arranged at intervals along the transverse direction of the beam within the first pile foundation group, and each first pile foundation simultaneously supports the two first pile caps.

[0014] As a further improvement of this utility model, the first pile foundation group includes four first pile foundations.

[0015] As a further improvement of this utility model, the second support component includes a central pier and a second base, with the bottom of the beam fixed to the top of the central pier and the bottom of the central pier fixed to the second base.

[0016] As a further improvement of this utility model, the second base includes a second pier and a second pile foundation group, the bottom of the central pier is fixed on the second pier, and the second pier is fixed on the second pile foundation group.

[0017] As a further improvement of this utility model, a plurality of second pile foundation groups are arranged at intervals along the longitudinal direction of the beam at the bottom of the second pier, and each second pile foundation group includes a plurality of second pile foundations arranged at intervals along the transverse direction of the beam.

[0018] The aforementioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0019] In summary, the beneficial effects of the above-described technical solutions conceived by this utility model compared with the prior art include:

[0020] (1) The integral bridge structure of this utility model is provided by setting side piers at both ends of the first support component at the beam end of the beam body corresponding to the two sides of the beam joint, and splitting the first abutment under the two side piers into two, with each of the two abutments supporting a side pier, thereby reducing the stiffness of the first base and thus reducing the stiffness of the side piers. This overcomes the problem of excessive stiffness of the side piers in existing bridge structures and meets the structural stress requirements of the bridge structure at the beam joint. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of the integral bridge structure in this embodiment of the utility model;

[0023] Figure 2 This is a schematic diagram of the transverse structure of the first support component in one embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the longitudinal structure of the first support component in one embodiment of the present invention;

[0025] Figure 4 This is a schematic diagram of the longitudinal structure of the first support component in another embodiment of the present invention;

[0026] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically: 1, beam body; 2, beam joint; 3, side pier; 4, first foundation; 41, first pile cap; 42, first pile foundation; 5, central pier; 6, second foundation; 61, second pile cap; 62, second pile foundation. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model. Furthermore, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0028] In the description of this utility model, it should be understood that, unless otherwise explicitly specified and limited, the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] Furthermore, unless otherwise expressly specified and limited, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0032] Example:

[0033] Please see Figures 1-4 The integral bridge structure in the preferred embodiment of this utility model includes multiple beams 1, a first support component and a second support component, so that the beam ends of the beams 1 are supported by the first support component at the beam joint 2 between two adjacent beams 1, and the middle part of the beams 1 is supported by the second support component.

[0034] Specifically, the integral bridge structure of the present invention includes multiple beams 1 arranged sequentially along the longitudinal direction, and a beam joint 2 is provided between two adjacent beams 1 to provide space for the expansion and contraction deformation and longitudinal displacement between adjacent beams 1.

[0035] Furthermore, such as Figure 1As shown, in the preferred embodiment, the first support component is disposed below the beam joint 2 to support the beam end of the beam 1. Specifically, the first support component includes side piers 3 and a first base 4; wherein, the side piers 3 are spaced apart in twos, and the tops of the two side piers 3 are respectively fixed to the bottom of the beam ends of two adjacent beams 1 at the beam joint 2; the first base 4 is disposed at the bottom of the side piers 3 and includes two first pile caps 41 and a first pile foundation group, the bottoms of the two side piers 3 are respectively fixed on the two first pile caps 41, and the two first pile caps 41 are fixed on the first pile foundation group.

[0036] In actual installation, at least one first pile foundation group is provided at the bottom of each first pile cap 41, and multiple first pile foundations 42 are arranged at intervals along the transverse direction of the beam 1 within each first pile foundation group. For example... Figure 2 and 3 As shown, a first pile foundation group is provided below each first pile cap 41, and two first pile foundations 42 are provided in each first pile foundation group, with the two first pile foundations 42 symmetrically arranged along the transverse centerline of the beam 1. Preferably, the first pile foundations 42 are located at the bottom of the first pile cap 41 near the beam joint 2 to form a better foundation load-bearing structure.

[0037] Of course, a first pile foundation group can also be set at the bottom of the two first pile caps 41, such as... Figure 4 As shown, two first pile caps 41 are simultaneously fixed on a first pile foundation group. Multiple first pile foundations 42 are arranged at intervals along the beam 1 within the first pile foundation group. Each first pile foundation 42 supports two first pile caps 41 simultaneously. Four first pile foundations 42 are arranged along the beam 1 within each first pile foundation group.

[0038] Furthermore, such as Figure 1 As shown, in the preferred embodiment, the second support assembly is disposed below the middle of the beam 1 to support the middle of the beam 1. In actual installation, multiple second support assemblies can be longitudinally spaced below the middle of the beam 1 according to the length of the beam 1. Specifically, the second support assembly includes a central pier 5 and a second base 6, wherein the top of the central pier 5 is fixedly connected to the bottom of the beam 1, and the bottom of the central pier 5 is fixed to the second base 6 to support the central pier 5 through the second base 6.

[0039] More specifically, the second base 6 includes a second pile cap 61 and a second pile foundation group, the bottom of the central pier 5 is fixed on the second pile cap 61, and the second pile cap 61 is fixed on the second pile foundation group.

[0040] Preferably, multiple second pile foundation groups are arranged at intervals along the longitudinal direction of the beam 1 at the bottom of the second pile cap 61. Each second pile foundation group includes multiple second piles 62 arranged at intervals along the transverse direction of the beam 1, so that the second pile cap 61 is supported simultaneously by multiple pile foundation groups, ensuring the support stability of the middle part of the beam 1. Figure 1In the preferred embodiment shown, two second pile foundation groups are arranged at intervals along the longitudinal direction of the beam 1 at the bottom of the second pile cap 61, and two second pile foundations 62 are arranged in each second pile foundation group.

[0041] The integral bridge structure of this utility model is simple in structure and easy to set up. It effectively reduces the stiffness of the side piers, overcomes the problem of excessive stiffness of the side piers in existing bridge structures, and meets the structural stress requirements of the bridge structure at the beam joints.

[0042] Those skilled in the art will readily understand that the above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An integral bridge structure, characterized in that, Includes the beam body, the first support assembly, and the second support assembly; Multiple beams are arranged sequentially along the longitudinal direction, and a beam joint is provided between two adjacent beams. The first support assembly is disposed below the beam joint and is used to support the beam end of the beam body; the first support assembly includes a side pier and a first base, the side piers are spaced two apart, and the tops of the two side piers are respectively fixed to the bottom of the beam end of the two beam bodies at the beam joint; the first base is disposed at the bottom of the side piers and includes two first pile caps and a first pile foundation group, the bottoms of the two side piers are respectively fixed to the two first pile caps, and the two first pile caps are fixed to the first pile foundation group; The second support component is disposed below the middle part of the beam and is used to support the middle part of the beam.

2. The integral bridge structure according to claim 1, characterized in that, At least one first pile foundation group is provided at the bottom of each first pile cap, and multiple first pile foundations are provided at intervals along the transverse direction of the beam in each first pile foundation group.

3. The integral bridge structure according to claim 2, characterized in that, The first pile foundation is located at one end of the first pier cap near the beam joint.

4. The integral bridge structure according to claim 2, characterized in that, The first pile foundation group includes two first pile foundations, which are symmetrically arranged along the transverse centerline of the beam.

5. The integral bridge structure according to claim 1, characterized in that, A first pile foundation group is set at the bottom of the two first pile caps. The two first pile caps are simultaneously fixed on one first pile foundation group. Multiple first pile foundations are set at intervals along the transverse direction of the beam within the first pile foundation group. Each first pile foundation supports two first pile caps simultaneously.

6. The integral bridge structure according to claim 5, characterized in that, The first pile foundation group includes four first pile foundations.

7. The integral bridge structure according to any one of claims 1 to 6, characterized in that, The second support component includes a central pier and a second base. The bottom of the beam is fixed to the top of the central pier, and the bottom of the central pier is fixed to the second base.

8. The integral bridge structure according to claim 7, characterized in that, The second foundation includes a second pier and a second pile foundation assembly. The bottom of the central pier is fixed on the second pier, and the second pier is fixed on the second pile foundation assembly.

9. The integral bridge structure according to claim 8, characterized in that, The bottom of the second pier is provided with a plurality of second pile foundation groups at intervals along the longitudinal direction of the beam, and each second pile foundation group includes a plurality of second pile foundations at intervals along the transverse direction of the beam.

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