Shear connecting device for steel corrugated plate-concrete composite structure
By designing a shear connection device including connecting sleeves, ribs and "L" shaped steel bars, the problem of unstable connection and poor sealing in the combined structure of steel corrugated plates and concrete is solved, and a more stable connection and better sealing are achieved.
Patent Information
- Application Number
- CN202420247111.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The shear connection device of the existing steel corrugated plate and concrete combined structure has problems such as concentrated welding acceptance force, inconvenient shipping, and bolt connection damage to corrugated plates, and insufficient sealing and stress-bearing performance.
A shear connection device including connecting sleeves, ribs and "L" shaped steel bars is designed. A plurality of ribs are fixed between the connecting sleeves and corrugated plates. The ribs are arranged at the depressions of the corrugated plates to increase the connection area, and the threads on the inner side of the connecting sleeve are matched with the steel bars for easy fixing.
The device is connected securely, has easy installation of steel bars, and has better sealing properties. It increases the connection strength and stress performance, solving the shortcomings of traditional connection methods.
Smart Images
Figure CN222632532U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel corrugated plates, in particular to a shear connection device for a steel corrugated plate-concrete combined structure. Background Art
[0002] The steel corrugated plate structure is a new type of building structure with the characteristics of lateral compensation displacement and good deformation adaptability. It is widely used in engineering fields such as tunnels, bridges and culverts, underground pipe galleries, and underground pipelines. At present, the combined structure of steel corrugated plates and concrete has gradually replaced the traditional single-layer steel corrugated plates and become an important solution to improve the tensile and compressive strength of steel corrugated plate structures in steel corrugated plate bridge and culvert projects. This combined structure can make the steel corrugated plates and concrete bear force as a whole, fully improving the bearing capacity of the overall structure.
[0003] Shear connectors are pipe structures that combine steel corrugated plates with concrete, but currently, shear connectors can only be welded or connected by drilling holes in the corrugated plates. The former directly welds studs on thin steel plates, which is prone to deformation due to concentrated force and affects the shipment of the corrugated plates. The latter damages the corrugated plates, affects the structural strength, and requires good control of the sealing of the bolt holes. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a shear connection device for a steel corrugated plate-concrete composite structure in view of the above-mentioned technical deficiencies. This device has a more stable connection with the steel corrugated plate, convenient installation of steel bars, a larger connection area, improved force performance of the shear member, and better sealing.
[0005] The technical solution adopted by the utility model is to provide a shear connection device for a steel corrugated plate-concrete composite structure, including a corrugated plate body, characterized in that a connecting sleeve is welded and fixed on the corrugated plate body; a plurality of ribs are fixed between the connecting sleeve and the corrugated plate body; and an "L"-shaped steel bar is threadedly matched on the inner side of the connecting sleeve.
[0006] To further optimize the technical solution, a connecting sleeve and ribs for a steel corrugated plate-concrete composite structure are both arranged at the concave waves of the corrugated plate body.
[0007] To further optimize the technical solution, the number of ribs used in the steel corrugated plate-concrete composite structure is four; the four ribs are arranged in a "cross" shape.
[0008] To further optimize the technical solution, a steel corrugated plate-concrete composite structure is provided in which the lower parts of two vertical ribs are arc-shaped and correspond to the corrugated plate body.
[0009] To further optimize the technical solution, a connecting sleeve for a steel corrugated plate-concrete composite structure has an internal thread on the inner side; one end of the steel bar has an external thread that matches the internal thread, and the other end of the steel bar is used to be cast as a whole with concrete.
[0010] To further optimize the technical solution, the ribs used in the steel corrugated plate-concrete composite structure are all arranged on the outside of the connecting sleeve.
[0011] To further optimize the technical solution, a rib plate used in a steel corrugated plate-concrete composite structure is welded and fixed to a connecting sleeve and a corrugated plate respectively.
[0012] Compared with the traditional shear connection device, the utility model has the following beneficial effects:
[0013] 1. The setting of the connecting sleeve, the corrugated plate body, the internal thread, the steel bar and the external thread is convenient for firmly fixing the steel bar and the corrugated plate body together. This device has a stable connection, is convenient for installing the steel bar, and has better sealing performance for the corrugated plate body;
[0014] 2. The arrangement of four ribs increases the connection area between the connecting sleeve and the corrugated plate body, making the connection more stable, enhancing the connection strength, and improving the force-bearing performance of the shear member. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the utility model when there is no steel bar connection;
[0017] Figure 3 This is a schematic diagram of the structure after the steel bars are connected in the utility model;
[0018] In the figure, 1, corrugated plate body; 2, connecting sleeve; 3, rib plate; 4, steel bar; 5, internal thread; 6, external thread. DETAILED DESCRIPTION
[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0020] like Figure 1-3As shown, a shear connection device for a steel corrugated plate-concrete composite structure includes a corrugated plate body 1, characterized in that: a connecting sleeve 2 is welded and fixed on the corrugated plate body 1; a plurality of ribs 3 are fixed between the connecting sleeve 2 and the corrugated plate body 1; an "L"-shaped steel bar 4 is matched with the inner thread of the connecting sleeve 2; the connecting sleeve 2 and the ribs 3 are both arranged at the concave waves of the corrugated plate body 1; the number of the ribs 3 is four; the four ribs 3 are arranged in a "cross" shape; the lower parts of the two vertical ribs 3 are arc-shaped and correspond to the corrugated plate body 1; an internal thread 5 is opened on the inner side of the connecting sleeve 2; an external thread 6 matching the internal thread 5 is opened at one end of the steel bar 4, and the other end of the steel bar 4 is used for being cast as a whole with concrete; the ribs 3 are all arranged on the outer side of the connecting sleeve 2; the ribs 3 are respectively welded and fixed to the connecting sleeve 2 and the corrugated plate.
[0021] The connecting sleeve 2 and the rib plate 3 are both arranged at the concave wave of the corrugated plate body 1. The specific structure is as follows: Figure 2 As shown; the lower part of the two vertical ribs 3 is arc-shaped and corresponds to the corrugated plate body 1. The specific structure is as follows Figure 1 As shown; the corrugated plate body 1 is a sealed corrugated plate body 1 without threaded holes, and the corrugated plate body 1 has better sealing performance when used;
[0022] When in use, the connecting sleeve 2 and the corrugated plate body 1 are welded and fixed, and the inner thread 5 on the connecting sleeve 2 is connected and fixed with the outer thread 6 on the steel bar 4, so that the steel bar 4 is fixed in the connecting sleeve 2, which is convenient for firmly fixing the steel bar 4 and the corrugated plate body 1 together, and avoids punching and damaging the corrugated plate, and will not affect the sealing of the corrugated plate body 1. This device has a stable connection and is convenient for installing the steel bar 4;
[0023] The arrangement of four ribs 3 increases the connection area between the connecting sleeve 2 and the corrugated plate body 1, making the connection between the connecting sleeve 2 and the corrugated plate body 1 more stable, strengthening the connection strength between the connecting sleeve 2 and the corrugated plate body 1, and improving the force-bearing performance of the shear member.
[0024] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.
Claims
1. A shear connection device for a steel corrugated plate-concrete composite structure, comprising a corrugated plate body (1), characterized in that: A connecting sleeve (2) is welded and fixed on the corrugated plate body (1); a plurality of ribs (3) are fixed between the connecting sleeve (2) and the corrugated plate body (1); and an "L"-shaped steel bar (4) is threadedly matched on the inner side of the connecting sleeve (2).
2. A shear connection device for a steel corrugated plate-concrete composite structure according to claim 1, characterized in that: The connecting sleeve (2) and the rib plate (3) are both arranged at the concave waves of the corrugated plate body (1).
3. A shear connection device for a steel corrugated plate-concrete composite structure according to claim 1, characterized in that: The number of the rib plates (3) is four; the four rib plates (3) are arranged in a "cross" shape.
4. A shear connection device for a steel corrugated plate-concrete composite structure according to claim 3, characterized in that: The lower parts of the two vertical ribs (3) are arc-shaped and correspond to the corrugated plate body (1).
5. The shear connection device for a steel corrugated plate-concrete composite structure according to claim 1, characterized in that: An internal thread (5) is formed on the inner side of the connecting sleeve (2); an external thread (6) matching the internal thread (5) is formed on one end of the steel bar (4); and the other end of the steel bar (4) is used for being integrally cast with concrete.
6. A shear connection device for a steel corrugated plate-concrete composite structure according to claim 1, characterized in that: The ribs (3) are all arranged on the outside of the connecting sleeve (2).
7. A shear connection device for a steel corrugated plate-concrete composite structure according to claim 1, characterized in that: The rib plate (3) is respectively welded and fixed to the connecting sleeve (2) and the corrugated plate.