Bridge floor connecting structure
By setting a combination structure of connecting blocks, limiting seats and stirrups between bridge decks, the problem of no direct connection between bridge decks is solved, the stability and strength of the bridge deck connection are improved, cracking is reduced, and the safety of the bridge is enhanced.
Patent Information
- Application Number
- CN202422952370.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In the existing technology, there is no direct connection between adjacent bridge decks, resulting in low bridge deck connection strength and affecting bridge safety.
The system employs a combination structure of connecting blocks, limiting seats, and stirrups. By setting supports, limiting grooves, and locking bolts on the connecting blocks, a stable connection is formed. After concrete pouring, the steel bars pass through the stirrup cavities to provide stress support and enhance the connection strength.
It significantly enhances the load-bearing capacity of the bridge deck connections, reduces cracking, and improves the safety and structural strength of the bridge.
Smart Images
Figure CN223607741U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge construction technical field especially relates to a bridge deck connecting structure. BACKGROUND
[0002] Bridge, generally refers to the erection on river lake sea, make the vehicle pedestrian etc. can smoothly pass through the construction, to adapt to modern high -speed development's transportation industry, bridge deck connection especially important, is one of important indexes of guaranteeing bridge safety, mainly with prefabricated component as main stressed component, for example, steel bar, steel plate and stirrup, again through the assembled connection and become the concrete bridge deck slab connecting structure.
[0003] At present, in the butt joint of concrete bridge deck slab, the steel bar and stirrup of prefabricated concrete bridge deck slab are usually buried in cast-in-place part, and the ends of the two adjacent bridge deck slabs are fixed with the same cast-in-place concrete layer part, but there is no direct connecting structure between the two adjacent bridge deck slabs, which leads to low bridge deck connection strength and affects the safety of bridge. UTILITY MODEL CONTENTS
[0004] The utility model discloses a bridge deck connecting structure, which solves the problem of low bridge deck connection strength and affects the safety of bridge in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A bridge deck connecting structure, comprising a connecting block, and the side wall of the connecting block extends to the outside to form a support, further comprising: a first stirrup fixedly connected to the side wall of the connecting block, wherein the support intersects with the plane where the connecting block is located, and the two ends of the first stirrup are located on the plane of the support and the connecting block respectively; a limiting seat, which is detachably arranged on the connecting block and abuts against the top of the support, wherein a second stirrup is arranged on the limiting seat, and the second stirrup is arranged alternately with the first stirrup.
[0007] In order to improve the stability of the limiting seat and stably connect it to the connecting block, preferably, an extension block is fixedly connected to the limiting seat, and a limiting slot is formed in the connecting block, and the extension block is clamped and connected in the limiting slot.
[0008] In order to facilitate the limiting and fixing of the connecting block and the extension block, further, the connecting block is fixedly connected to the extension block through a locking bolt.
[0009] In order to facilitate the installation and connection of the locking bolt, still further, corresponding through holes are formed in the support and the extension block, and the locking bolt is arranged in the through holes.
[0010] In order to improve the misalignment connection limit of the first stirrup, preferably, the first stirrup is staggered with the limiting groove.
[0011] In order to facilitate hoisting or moving the side wall of the connecting block, preferably, a third stirrup is fixedly connected on the connecting block.
[0012] In order to make the second stirrup cover the outside of the first stirrup, preferably, the second stirrup is provided with two groups and forms an installation cavity, and the first stirrup extends into the installation cavity.
[0013] In order to improve the connection effect of the stirrup after filling the concrete, preferably, a steel bar is further included, which is arranged inside the installation cavity penetrating the first stirrup and the second stirrup.
[0014] Compared with the prior art, the bridge deck connecting structure has the following beneficial effects:
[0015] 1. The bridge deck connecting structure, by setting the extension blocks on both sides of the limiting seat, when the two groups of extension blocks are respectively and internally clamped with the limiting grooves on the two groups of connecting blocks, the bottom of the limiting seat will abut against the supports on the two groups of connecting blocks, thereby improving the convenience of the limiting seat installation and preventing the installation misalignment phenomenon;
[0016] 2. The bridge deck connecting structure, when the limiting seat is installed on the two groups of connecting blocks, the concrete can be poured in the cavity formed between the two groups of connecting blocks, and the concrete will also pour the limiting seat, and the misaligned first stirrup and the second stirrup can better bear stress in the hardened concrete;
[0017] 3. The bridge deck connecting structure, by the steel bar penetratingly arranged inside the cavity of the first stirrup and the second stirrup, the stability effect of the concrete in the cavity formed between the two groups of connecting blocks can be strengthened, the bearing capacity of the bridge deck connection is significantly enhanced, the strength of the bridge deck structure is more solid, the cracking phenomenon is reduced, and the safety of the bridge is improved.
[0018] The parts not involved in the device are the same as or can be realized by the prior art, the bridge deck connecting structure can strengthen the stability effect of the concrete in the cavity formed between the two groups of connecting blocks, significantly enhance the bearing capacity of the bridge deck connection, make the strength of the bridge deck structure more solid, reduce the cracking phenomenon, and improve the safety of the bridge. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The bridge deck connecting structure is provided with an axonometric structure diagram Figure One ;
[0020] Figure 2 The bridge deck connecting structure is provided with an axonometric structure diagramFigure Two ;
[0021] Figure 3 A schematic view of the bridge deck connection structure after filling concrete is provided for the utility model;
[0022] Figure 4 A schematic view of the bridge deck connection structure limiting seat is provided for the utility model Figure One ;
[0023] Figure 5 A schematic view of the bridge deck connection structure limiting seat is provided for the utility model Figure Two .
[0024] In the figure: 1, connecting block; 2, first stirrup; 3, through hole; 4, limiting groove; 5, limiting seat; 6, extension block; 7, locking bolt; 8, second stirrup; 9, third stirrup; 10, steel bar. Specific implementation
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0026] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0027] Embodiment:
[0028] With reference to Figures 1-5 , a bridge deck connection structure, comprising a connecting block 1, and the side wall of the connecting block 1 extends to the outside to form a support, further comprising: a first stirrup 2 fixedly connected to the side wall of the connecting block 1, wherein the support intersects the plane where the connecting block 1 is located, and the two ends of the first stirrup 2 are respectively located on the plane of the support and the connecting block 1; a limiting seat 5, which is detachably arranged on the connecting block 1 and abuts against the top of the support, wherein a second stirrup 8 is arranged on the limiting seat 5, and the second stirrup 8 is arranged alternately with the first stirrup 2.
[0029] At present, when the concrete bridge deck slab is butt jointed, the steel bars and stirrups of the prefabricated concrete bridge deck slab are usually buried in the cast-in-place part, and the ends of the two adjacent bridge deck slabs facing each other are fixed with the same cast-in-place concrete layer part, but there is no direct connecting structure between the two adjacent bridge deck slabs, which leads to low bridge deck connection strength and affects the safety of the bridge.
[0030] To improve the connection strength of the bridge deck, by Figure 1 As shown, the shape of the connecting block 1 can be rectangular, and it is only for reference in this device. Its purpose is to illustrate. The specific shape can be adjusted according to the bridge type. Supports are provided on both sides of the connecting block 1. The length of the support is one-third of the length of the main body of the connecting block 1, and the internal filling is integrally formed with connecting ribs. Its purpose is to prevent the support from breaking and improve the connection strength of the support. The height of the main body of the connecting block 1 is five times the height of the support. The support intersects the plane where the connecting block 1 is located, and the two ends of the first stirrup 2 are respectively located on the plane of the support and the plane of the connecting block 1, so that the first stirrup 2 is arranged in a ring on the support and the connecting block 1, forming a cavity in the middle.
[0031] A third stirrup 9 is fixedly connected to the connecting block 1 for hoisting, moving or connecting the connecting block 1.
[0032] The limiting seat 5 is detachably mounted on the connecting block 1 and abuts against the top of the support. When the connecting block 1 is laid on the bridge, the support extending to the outside can provide a certain degree of support for the bottom of the limiting seat 5.
[0033] Furthermore, in order to improve the connection effect of the limit seat 5.
[0034] An extension block 6 is fixedly connected to the limiting seat 5. A limiting groove 4 is opened on the connecting block 1, and the extension block 6 is engaged and connected in the limiting groove 4.
[0035] Furthermore, extension blocks 6 are provided on both sides of the limiting seat 5. When the two sets of extension blocks 6 are engaged with the limiting grooves 4 on the two sets of connecting blocks 1 respectively, the bottom of the limiting seat 5 will abut against the supports on the two sets of connecting blocks 1, thereby improving the ease of installation of the limiting seat 5 and preventing misalignment during installation.
[0036] Furthermore, in order to improve the stability of the limit seat 5, the connecting block 1 is fixedly connected to the extension block 6 by the locking bolt 7.
[0037] By connecting the connecting block 1 and the extension block 6 with the locking bolt 7, the overlapping effect between the limiting seat 5 and the connecting block 1 can be improved, which can strengthen the stability of the bridge deck.
[0038] Both the support and the extension block 6 have corresponding through holes 3, and the locking bolts 7 are installed on the through holes 3.
[0039] The locking bolt 7 can be placed on the through hole 3 to prevent the locking bolt 7 from being misaligned, and after the concrete is poured, the through hole 3 can fit tightly with the locking bolt 7.
[0040] In order to improve the stress effect of the stirrup in the concrete, the first stirrup 2 is staggered with the limiting groove 4, and the second stirrup 8 is provided with two groups and forms an installation cavity, and the first stirrup 2 extends into the installation cavity.
[0041] Further comprising a reinforcing bar 10, which is arranged inside the installation cavity through the first stirrup 2 and the second stirrup 8.
[0042] The working principle is as follows:
[0043] When the limiting seat 5 is installed on the two groups of connecting blocks 1, the concrete can be poured in the cavity formed between the two groups of connecting blocks 1, and the concrete can also pour the limiting seat 5 at the same time, the first stirrup 2 and the second stirrup 8 staggered can better force cooperation in the hardened concrete, and the reinforcing bar 10 arranged through the cavity of the first stirrup 2 and the second stirrup 8 can strengthen the stability effect of the concrete in the cavity formed between the two groups of connecting blocks 1, significantly enhance the bearing capacity when the bridge deck is connected, make the bridge deck structure more solid, reduce the cracking phenomenon, and improve the safety of the bridge.
[0044] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A bridge floor connecting structure comprising a connecting block (1) and the side wall of the connecting block (1) is extended to the outside to form a support, characterized in that, Also include: The first stirrup (2) is fixedly connected to the side wall of the connecting block (1), Wherein, the support intersects with the plane where the connecting block (1) is located, and the two ends of the first stirrup (2) are respectively located on the plane of the support and the connecting block (1); The limiting seat (5) is detachably arranged on the connecting block (1) and abuts against the top of the support, Wherein, the limiting seat (5) is provided with a second stirrup (8), and the second stirrup (8) is staggered with the first stirrup (2).
2. A deck connection structure according to claim 1, characterized in that The extending block (6) is fixedly connected to the limiting seat (5), and the connecting block (1) is provided with a limiting slot (4), and the extending block (6) is clamped and connected in the limiting slot (4).
3. A deck connection structure according to claim 2, wherein The connecting block (1) is fixedly connected with the extending block (6) through the locking bolt (7).
4. A deck connection structure according to claim 3, wherein The corresponding through holes (3) are arranged on the support and the extending block (6), and the locking bolt (7) is arranged on the through hole (3).
5. A deck connection structure according to claim 4, wherein The first stirrup (2) is staggered with the limiting slot (4).
6. A deck connection structure according to claim 1, wherein The third stirrup (9) is fixedly connected to the connecting block (1).
7. A deck connection structure according to claim 1, wherein The second stirrup (8) is provided with two groups and forms an installation cavity, and the first stirrup (2) extends into the installation cavity.
8. A deck connection structure according to claim 7, wherein Also include steel bars (10), the steel bars (10) are arranged inside the installation cavity by penetrating the first stirrup (2) and the second stirrup (8).