Steel reinforced concrete beam and steel bar truss floor support plate connecting structure
By providing a first connecting piece on the web of the steel concrete beam and fixedly connecting it with the second connecting piece, the steel bar truss bearing plate is erected on the third connecting end surface, the problem of temporary support and welding difficulties when connecting the steel bar truss bearing plate and the steel concrete beam is solved, and construction efficiency is improved.
Patent Information
- Application Number
- CN202421404081.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-19
AI Technical Summary
In prefabricated steel structure buildings, the connection structure between the steel bar truss bearing plate and the steel concrete beam has problems such as temporary support requirements, large welding workload and difficulty in welding in the lower chord area.
A steel concrete beam and steel bar truss bearing plate are adopted to connect the structure of the steel bar truss bearing plate. By providing a first connecting member on the steel web and fixedly connecting with the second connecting member, the steel bar truss bearing plate is erected on the third connecting end surface to fix the connection to avoid temporary support and welding difficulties.
It effectively avoids the need to set up temporary support below the steel bar floor bearing slab, and reduces the welding and fixing workload of additional steel bars and floor bearing slabs and steel, thereby improving construction efficiency.
Smart Images
Figure CN222782288U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building engineering, in particular to a connection structure of a steel concrete beam and a steel truss floor deck. Background Art
[0002] In prefabricated steel structure buildings, steel truss floor decks have been widely used as prefabricated components. Compared with traditional steel decks and cast-in-place slabs, steel truss floor decks have the advantages of fewer construction processes, good installation quality, and fast construction speed. At the same time, they play a key role in solving the support of large-span and ultra-high structural formwork, and are suitable for buildings with large spans and high heights.
[0003] In the prior art, the connection structure between the steel truss floor deck and the steel concrete beam is usually to add additional steel bars, and use the additional steel bars to weld with the steel truss floor deck and the steel beam to achieve a reliable connection. However, temporary support must be set under the steel truss floor deck, the on-site welding workload is large, and the welding of the lower chord area of the floor deck is difficult, which has great limitations. Utility Model Content
[0004] Therefore, the technical problem to be solved by the utility model is that when additional steel bars are used for connection, temporary supports must be set up under the steel bar floor decking plate. The welding workload of the additional steel bars, the floor decking plate and the steel sections is large, and the welding in the lower chord area of the floor decking plate is difficult, which has the defect of large limitations, thereby providing a connection structure of steel concrete beams and steel truss floor decking plates.
[0005] In order to solve the above problems, the utility model provides a connection structure of a steel concrete beam and a steel truss floor deck, comprising:
[0006] A concrete beam body, wherein the concrete beam body comprises a steel section;
[0007] A connection assembly, the connection assembly includes a first connection member and a second connection member, the first connection member is fixedly connected to the web of the steel section, the first connection member has a first connection end face perpendicular to the horizontal direction on the side away from the web of the steel section, the second connection member has a second connection end face parallel to and fixedly connected to the first connection end face, the second connection member also has a third connection end face perpendicular to the second connection end face, the third connection end face is located on the side of the second connection member facing the steel truss floor deck, and the steel truss floor deck is fixedly connected to the third connection end face.
[0008] Furthermore, the connection assembly includes a plurality of the first connection members, the plurality of the first connection members are spaced apart along the web of the steel section, and the first connection end faces of the plurality of the first connection members are fixedly connected to the second connection end faces of the second connection members.
[0009] Furthermore, it also includes:
[0010] Additional steel bars, one end of which is arranged in the concrete beam body, and the other end of which is arranged in the steel bar truss floor deck.
[0011] Furthermore, the first connecting member is arranged in the concrete beam body, and the first connecting end surface and the side surface of the concrete beam body facing the steel bar truss floor deck are located in the same plane.
[0012] Furthermore, it also includes:
[0013] The steel bar truss floor deck is fixedly connected to the third connection end surface via shear bolts.
[0014] Furthermore, the first connection end surface and the second connection end surface are fixed by welding.
[0015] Furthermore, the first connecting member is a T-shaped structure.
[0016] Furthermore, the second connecting member is an angle steel.
[0017] The utility model has the following advantages:
[0018] The utility model discloses a connection structure of a steel-concrete beam and a steel truss floor deck, wherein a first connection piece is fixed to the web of the steel section, a second connection end face of the second connection piece is fixed to the first connection end face so that the second connection piece is fixedly connected to the first connection piece, the steel truss floor deck is laid on a third connection end face, and the steel truss floor deck is fixedly connected to the third connection end face, thereby avoiding the need to set up a temporary support under the steel truss floor deck, and simultaneously avoiding the need to weld and fix additional steel bars to the floor deck and the steel section, thereby effectively improving the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 This is a schematic diagram of the connection structure in the embodiment of the utility model;
[0021] Description of reference numerals:
[0022] 1. Concrete beam body; 2. Steel section; 3. First connecting piece; 31. First connecting end face; 4. Second connecting piece; 41. Second connecting end face; 42. Third connecting end face; 5. Steel truss floor deck; 6. Additional steel bars. DETAILED DESCRIPTION
[0023] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.
[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0026] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0027] like Figure 1As shown, this embodiment discloses a connection structure of a steel section 2 concrete beam and a steel truss floor deck 5, comprising: a concrete beam body 1 and a connection assembly. The concrete beam body 1 comprises a steel section 2. The connection assembly comprises a first connection member 3 and a second connection member 4, wherein the first connection member 3 is fixedly connected to the web of the steel section 2, and the first connection member 3 has a first connection end face 31 perpendicular to the horizontal direction on the side away from the web of the steel section 2, and the second connection member 4 has a second connection end face 41 parallel to and fixedly connected to the first connection end face 31, and the second connection member 4 also has a third connection end face 42 perpendicular to the second connection end face 41, and the third connection end face 42 is located on the side of the second connection member 4 facing the steel truss floor deck 5, and the steel truss floor deck 5 is fixedly connected to the third connection end face 42.
[0028] Specifically, the concrete beam body 1 includes a steel section 2, and the steel section 2 is cast in the concrete beam body 1. Before casting, the first connecting member 3 is fixedly connected to the web of the steel section 2. Figure 1 The right side of the first connecting member 3 has a first connecting end face 31 which is perpendicular to the horizontal direction. The steel section 2 and the first connecting member 3 are cast to form a concrete beam body 1. The first connecting member 3 is arranged in the concrete beam body 1. The first connecting end face 31 is exposed on the side of the concrete beam body 1. The first connecting end face 31 and the side of the concrete beam body 1 facing the steel truss floor deck 5 are located in the same plane. The second connecting member 4 has a second connecting end face 41 which is parallel to the first connecting end face 31. The second connecting end face 41 is fixedly connected to the first connecting end face 31 so that the second connecting member 4 is fixedly connected to the first connecting member 3. Figure 1 The third connection end face 42 is arranged on the upper side of the second connection member 4, and the third connection end face 42 is perpendicular to the second connection end face 41 and the first connection end face 31. The two ends of the steel truss floor deck 5 can be respectively placed on the third connection end faces 42 of the second connection members 4 at both ends. The second connection member 4 can support the steel truss floor deck 5, and the steel truss floor deck 5 can be fixedly connected to the third connection end face 42, thereby being fixedly connected to the concrete beam body 1.
[0029] It should be noted that the first connecting member 3 can be first fixed on the steel section 2 and then transported to the construction site. In the present embodiment, the casting method is to first cast the concrete beam body 1 and then fix it with the steel truss floor deck 5, and then cast the steel truss floor deck 5. In other optional embodiments, the steel truss floor deck 5 and the second connecting member 4 can be first fixed, and then the steel truss floor deck 5 and the concrete beam body 1 can be cast at the same time. In both casting methods, the second connecting member 4 will not be cast in the concrete.
[0030] Further, the connection assembly includes a plurality of first connection members 3, the plurality of first connection members 3 are arranged at intervals along the web of the steel section 2, and the first connection end faces 31 of the plurality of first connection members 3 are fixedly connected to the second connection end faces 41 of the second connection members 4. The number of first connection members 3 can be determined according to the length of the second connection member 4 and the width of the steel truss floor deck 5, and the number of first connection members 3 is not limited in this embodiment. The spacing between adjacent first connection members 3 can be determined according to the span and weight of the steel truss floor deck 5.
[0031] Preferably, in this embodiment, the first connecting member 3 is a T-shaped structure. The T-shaped structure includes a horizontal plate parallel to the horizontal direction and a vertical plate perpendicular to the horizontal direction. Figure 1 The left side of the middle transverse plate is fixedly connected to the web of the steel section 2 , and the right side surface of the vertical plate is the first connection end surface 31 .
[0032] Preferably, Figure 1 As shown, in this embodiment, the second connecting member 4 is an angle steel.
[0033] Preferably, in this embodiment, the first connection end face 31 and the second connection end face 41 are fixed by welding.
[0034] Further, the steel truss floor deck 5 is fixedly connected to the third connection end face 42 by a shear bolt (not shown). After the steel truss floor deck 5 is fixed to the third connection end face 42, casting can be performed, and the second connecting member 4 will not be cast in the steel truss floor deck 5.
[0035] Furthermore, it also includes: an additional steel bar 6 . One end of the additional steel bar 6 is arranged in the concrete beam body 1 , and the other end of the additional steel bar 6 is arranged in the steel bar truss floor deck 5 .
[0036] Specifically, Figure 1 As shown, the two ends of the additional steel bar 6 are respectively cast in the concrete beam body 1 and the steel truss floor deck 5, and the additional steel bar 6 can play the role of connecting the concrete beam body 1 and the steel truss floor deck 5. When the concrete beam body 1 is cast first, one end of the additional steel bar 6 is first cast in the concrete beam body 1, and the other end is exposed from the concrete beam body 1 to be cast in the steel truss floor deck 5; when casting at the same time, the two ends of the additional steel bar 6 can be cast in the concrete beam body 1 and the steel truss floor deck 5 respectively.
[0037] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.
Claims
1. A connection structure of a steel concrete beam and a steel truss floor deck, characterized in that: include: A concrete beam body (1), wherein the concrete beam body (1) comprises a steel section (2); A connection assembly, the connection assembly comprising a first connection member (3) and a second connection member (4), the first connection member (3) being fixedly connected to the web of the steel section (2), the first connection member (3) having a first connection end face (31) perpendicular to the horizontal direction on a side away from the web of the steel section (2), the second connection member (4) having a second connection end face (41) parallel to and fixedly connected to the first connection end face (31), the second connection member (4) also having a third connection end face (42) perpendicular to the second connection end face (41), the third connection end face (42) being located on a side of the second connection member (4) facing the steel truss floor deck (5), the steel truss floor deck (5) being fixedly connected to the third connection end face (42).
2. The connection structure of steel concrete beam and steel truss floor deck according to claim 1 is characterized in that: The connection assembly comprises a plurality of first connection members (3), wherein the plurality of first connection members (3) are arranged at intervals along the web of the section steel (2), and the first connection end faces (31) of the plurality of first connection members (3) are fixedly connected to the second connection end faces (41) of the second connection members (4).
3. The connection structure of steel concrete beam and steel truss floor deck according to claim 1 is characterized in that: Also includes: Additional steel bars (6), one end of the additional steel bars (6) is arranged in the concrete beam body (1), and the other end of the additional steel bars (6) is arranged in the steel bar truss floor deck (5).
4. The connection structure of steel concrete beam and steel truss floor deck according to claim 2 is characterized in that: The first connecting member (3) is arranged in the concrete beam body (1), and the first connecting end surface (31) and the side surface of the concrete beam body (1) facing the steel bar truss floor deck (5) are located in the same plane.
5. The connection structure of steel concrete beam and steel truss floor deck according to claim 1 is characterized in that: Also includes: The steel bar truss floor deck (5) is fixedly connected to the third connection end surface (42) via shear bolts.
6. The connection structure of steel concrete beam and steel truss floor deck according to any one of claims 1 to 5, characterized in that: The first connection end surface (31) and the second connection end surface (41) are fixed by welding.
7. The connection structure of steel concrete beam and steel truss floor deck according to claim 6 is characterized in that: The first connecting member (3) is a T-shaped structure.
8. The connection structure of steel concrete beam and steel truss floor deck according to claim 6, characterized in that: The second connecting member (4) is an angle steel.