Combined beam column structure
By combining precast beams, precast columns, and reinforcing members, the problem of force transmission between steel beams and columns is solved, achieving a reliable force transmission path and bending resistance, improving the connection performance of frame beams, and saving materials.
Patent Information
- Application Number
- CN202520203742.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-10
AI Technical Summary
The lack of reliable force transfer methods between steel beams and columns in existing technologies has resulted in the failure to effectively utilize the combined effect in the design of frame main beams, especially the unresolved connection problem between steel bars and columns in the design of main beams.
The structure adopts a combination of precast beams, precast columns, first reinforcing members and floor slabs. Force is indirectly transmitted through studs and floor slabs. The first reinforcing member is connected to the column to form a reliable force transmission path. A second reinforcing member is set in the precast beam to improve the bending resistance.
This design achieves reliable force transmission between the steel beam and the first reinforcing member within the floor slab, improves the connection reliability of the frame beam, saves steel consumption, reduces material consumption, and enhances the overall bending resistance.
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Figure CN223805696U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the beam column joint structure field, especially relate to a combined beam column structure. BACKGROUND
[0002] The steel beam and the concrete floor form the combined beam, which is an economical design method, and is widely used in the design of the secondary beam, but is rarely used in the design of the main beam, because the upper flange of the beam end is in tension, the concrete above the steel beam has low tensile strength, and the combined effect is not significant. However, the steel beam and the steel bar in the floor form a combined effect, which is an economical design method. However, there is no method to form reliable force transmission between the steel bar and the column, which leads to the fact that the combined effect has not been used in the design of the frame main beam. SUMMARY
[0003] The utility model aims at providing a combined beam column structure, which comprises:
[0004] A prefabricated column;
[0005] A prefabricated beam, the end of the prefabricated beam is connected to the prefabricated column, and the top of the prefabricated beam is provided with a dowel near the prefabricated column;
[0006] A first reinforcing member, which is located above the prefabricated beam and is fixed to the side of the prefabricated column;
[0007] A floor, which is formed on the prefabricated beam and covers the dowel and the first reinforcing member;
[0008] The first reinforcing member indirectly transmits force to the prefabricated beam through the floor.
[0009] Preferably, the prefabricated column is a middle column, the prefabricated beams are symmetrically connected to the two sides of the middle column, and the two ends of the first reinforcing member are respectively extended and pulled on the prefabricated beams on the two sides of the middle column.
[0010] Preferably, the prefabricated column is a side column, and the prefabricated beam is connected to one side of the side column.
[0011] Preferably, the first reinforcing member comprises at least two rows, and the two rows of first reinforcing members are arranged on the two sides of the prefabricated column along the beam length direction of the prefabricated beam.
[0012] Preferably, the side column is a cylindrical column, and the first reinforcing member is wrapped around the cylindrical column.
[0013] Preferably, the prefabricated column is a steel pipe column, the first reinforcing member is a steel bar or a profile steel, and the first reinforcing member is welded to the steel pipe column.
[0014] Preferably, the prefabricated beam comprises an H-shaped steel; and concrete is formed on both sides of the end web of the H-shaped steel.
[0015] Preferably, the prefabricated beam has a width smaller than that of the prefabricated column, and the first reinforcing member is inwardly bent and connected to the upper flange of the H-shaped steel.
[0016] Preferably, the middle section of the prefabricated beam is provided with a second reinforcing member, which is located on both sides of the web of the prefabricated beam along the length direction of the beam and is arranged on the lower flange of the prefabricated beam.
[0017] Preferably, the structure further comprises a support, which is arranged on the side of the prefabricated column, and the first reinforcing member is fixed to the support.
[0018] The technical effects of the above technical scheme of the utility model are achieved by one or a combination of the following:
[0019] The first reinforcing member in the structure is connected with the column, so that the internal force of the first reinforcing member can be transmitted to the column, thereby achieving the effect that the internal force of the prefabricated beam is transmitted to the prefabricated column, and the first reinforcing member (steel bar) in the frame beam and the floor forms a composite beam, which has a reliable force transmission method, so that the composite beam can be conveniently applied to the design of the frame beam connected with the column, thereby saving the amount of steel and reducing carbon.
[0020] When the prefabricated column is an edge column and the edge column is a cylindrical column, the first reinforcing member (steel bar) is wrapped around the cylindrical column to form a better connection and force transmission.
[0021] The middle section of the prefabricated beam (H-shaped steel) is provided with a second reinforcing member (steel bar), so that the steel bar is subjected to tension, and a force couple formed by tension and compression is formed together with the prefabricated beam, thereby improving the overall bending resistance. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 The structure of the utility model is expressed.
[0023] Figure 2 The beam-column joint diagram of the utility model is expressed.
[0024] Figure 3 The joint diagram of the edge column and the middle column of the utility model is expressed.
[0025] Figure 4 The joint diagram of the middle column of the utility model is expressed.
[0026] Figure 5 The top view of the beam-column joint structure of the utility model is expressed.
[0027] Figure 6 The top view of another beam-column joint structure of the utility model is expressed.
[0028] 1, prefabricated column; 1a, intermediate column; 1b, side column; 11, support; 2, prefabricated beam; 20, steel-concrete section; 21, dowel; 22, second reinforcing member; 3, first reinforcing member; 4, floor. DETAILED DESCRIPTION
[0029] The following description is presented to enable any person skilled in the art to practice the present application and to incorporate it in the context to practice the invention. Various modifications to the embodiments described herein will be readily apparent to those skilled in the art and the generic principles defined herein can be applied to other embodiments. Thus, the present application is not intended to be limited to the embodiments presented, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
[0030] In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present application.
[0031] The reader's attention is directed to all papers and documents which are filed concurrently with this specification and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference. All the features disclosed in this specification, (including any accompanying claims, abstract, and drawings) can be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed in this specification is one example only of a generic series of equivalent or similar features.
[0032] Note that, where used, the terms left, right, front, back, top, bottom, over, under, clockwise and counterclockwise are used only on a relative basis for convenience, and do not imply any specific fixed direction. Indeed, they are used to reflect the relative position and / or orientation between various parts of an object. In addition, the terms "first", "second" are used only for descriptive purposes and are not to be construed as indicating or implying relative importance.
[0033] In the description of the present application, it is necessary to explain that, unless otherwise expressly stated and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0034] Note that, in the case of use, further, preferably, further and more preferably, the simple starting point described on the basis of the foregoing embodiment is further, preferably, further or more preferably, the content of the foregoing embodiment as another embodiment of the complete structure. The combination of several further, preferably, further or more preferably, the setting of the same embodiment can be arbitrarily combined to form another embodiment.
[0035] The utility model will be described in detail below in combination with the drawings and specific embodiments. Note that the aspects described below in combination with the drawings and specific embodiments are only exemplary and should not be understood as limiting the scope of protection of the utility model.
[0036] Please refer to Figures 1-6 , the embodiment provides a kind of composite beam column structure, including prefabricated column 1, prefabricated beam 2, first reinforcing member 3 and floor 4;Wherein, the end of prefabricated beam 2 is connected to prefabricated column 1, and the top of prefabricated beam 2 is provided with stud 21 near prefabricated column 1;First reinforcing member 3 is located above prefabricated beam 2 and is fixed to the side of prefabricated column 1;Floor 4 is formed on prefabricated beam 2 and covers stud 21 and first reinforcing member 3;The first reinforcing member 3 is indirectly force-transmitted to prefabricated beam 2 by floor 4.
[0037] For clear expression, the "first reinforcing member 3 is located above prefabricated beam 2" described in the embodiment is not limited to be interpreted as the first reinforcing member 3 is located directly above prefabricated beam 2;But first reinforcing member 3 is located above prefabricated beam 2 as a whole.
[0038] Prefabricated column 1 in the embodiment is preferably steel pipe column in structure, which includes steel pipe and core concrete. It can also be shaped steel column, but square steel pipe column and circular steel pipe column are preferred in the embodiment.
[0039] Please combine Figure 3 , Figure 5 And Figure 6 , and prefabricated column 1 is divided into middle column 1a and edge column 1b from position. When prefabricated column 1 is middle column 1a, the two sides of the middle column 1a are symmetrically connected with prefabricated beam 2;The two ends of first reinforcing member 3 extend and are tensioned to prefabricated beam 2 on both sides of middle column 1a. When middle column 1a adopts circular steel pipe column or square steel pipe column, support 11 is further provided on the side of circular steel pipe column to increase the fixing area of first reinforcing member 3, the support 11 is provided on the side of prefabricated column 1, and first reinforcing member 3 is fixed on support 11. The support 11 can adopt steel plate, one side of the steel plate has arc surface that is fitted to circular steel pipe column, so as to be welded to circular steel pipe column by the arc surface;Or, as Figure 4 , Figure 5As shown, the support 11 adopts a screw rod or a steel bar penetrating the prefabricated column 1, and the screw rod or the steel bar is exposed at both ends of the prefabricated column 1 to provide a mounting fulcrum.
[0040] Please refer to Figure 3 and Figure 5 When the prefabricated column 1 is a side column 1b, one side of the side column 1b is connected with the prefabricated beam 2. Similarly, the first reinforcing member 3 includes at least two rows, and the two rows of first reinforcing members 3 are arranged on both sides of the prefabricated column 1 along the beam length direction of the prefabricated beam 2. Further, please refer to Figure 3 and Figure 6 The side column 1b is a cylindrical column, or is further implemented as a circular steel pipe column, and the first reinforcing member 3 is wrapped around the cylindrical column and fixed with the cylindrical column. When the side column 1b is a square column, the two rows of first reinforcing members 3 can be fixed on both sides of the prefabricated column 1 along the beam length direction of the prefabricated beam 2, or the first reinforcing members 3 can be wrapped around the square column and fixed with the square column.
[0041] In the embodiment, the first reinforcing member 3 is a steel bar or a profile steel, and further, the first reinforcing member 3 is welded to the steel pipe column; and when the first reinforcing member 3 is wrapped around the prefabricated column 1 for fixation, the first reinforcing member 3 is preferably a steel bar. The prefabricated beam 2 is a prefabricated steel beam, and the width of the prefabricated beam 2 is smaller than the width of the prefabricated column 1, and the first reinforcing member 3 can be implemented as being inwardly bent to be connected to the upper flange of the prefabricated steel beam. Further, the prefabricated beam 2 includes an H-shaped steel, and the end portion of the H-shaped steel is formed with a concrete formed steel-concrete segment 20 on both sides of the web plate, forming a three-segment beam structure of “steel-concrete segment 20-middle segment-steel-concrete segment 20”. The second reinforcing member 22 is arranged on the middle segment of the prefabricated beam 2, and the second reinforcing member 22 is arranged on both sides of the web plate of the prefabricated beam 2 along the beam length direction and on the lower flange of the prefabricated beam 2. The second reinforcing member 22 is preferably a steel bar, and through the tensile resistance of the steel bar, a force couple of one tension and one compression is formed with the prefabricated beam 2, improving the overall bending resistance effect.
[0042] The beneficial effects of the embodiment are as follows:
[0043] The first reinforcing member in the structure is connected with the column, so that the internal force of the first reinforcing member can be transmitted to the column, thereby achieving the effect that the internal force of the prefabricated beam is transmitted to the prefabricated column, and the first reinforcing member (steel bar) in the frame beam and the floor forms a composite beam, which has a reliable force transmission method, so that the composite beam can be conveniently applied to the frame beam design connected with the column, thereby saving the amount of steel and reducing carbon.
[0044] When the prefabricated column is a side column and the side column is a cylindrical column, the first reinforcing member (steel bar) is wrapped around the cylindrical column to form a better connection and force transmission.
[0045] The second reinforcing member (steel bar) is arranged on the middle segment of the prefabricated beam (H-shaped steel), so that through the tensile resistance of the steel bar, a force couple of one tension and one compression is formed with the prefabricated beam, improving the overall bending resistance effect.
[0046] Further, the above embodiments of the present application are described in detail in combination with the drawings, and various change examples of the present application can be made by those skilled in the art according to the above description. Therefore, some details in the embodiments should not constitute a limitation on the present application, and the scope of protection of the present application will be defined by the appended claims.
Claims
1. A composite beam column structure, characterized by, The utility model relates to a prefabricated column, a prefabricated beam connected to the prefabricated column, a bolt provided on the top of the prefabricated beam near the prefabricated column, a first reinforcing member provided on the side of the prefabricated column above the prefabricated beam, a floor formed on the prefabricated beam covering the bolt and the first reinforcing member, and a second reinforcing member provided on the lower flange of the prefabricated beam. The prefabricated column is a middle column, and the prefabricated beams are symmetrically connected to the two sides of the middle column. The first reinforcing member is extended to the two sides of the middle column. The prefabricated column is a side column, and the prefabricated beam is connected to one side of the side column. The first reinforcing member includes at least two rows, and the two rows of the first reinforcing member are provided on the two sides of the prefabricated column along the beam length direction of the prefabricated beam. The side column is a cylindrical column, and the first reinforcing member is wrapped around the cylindrical column.
2. The composite beam column structure of claim 1, wherein: The prefabricated column is a steel pipe column, and the first reinforcing member is a steel bar or a profile steel.
3. The composite beam column structure of claim 1, wherein: The prefabricated beam includes an H-shaped steel, and the end flange of the H-shaped steel is formed with concrete on both sides.
4. The composite beam column structure of claim 2 or 3, wherein: The width of the prefabricated beam is smaller than the width of the prefabricated column, and the first reinforcing member is inwardly bent and connected to the upper flange of the H-shaped steel.
5. The composite beam column structure of claim 3, wherein: The middle section of the prefabricated beam is provided with a second reinforcing member, which is located on both sides of the web of the prefabricated beam along the beam length direction and is provided on the lower flange of the prefabricated beam.
6. The composite beam column structure of claim 4, wherein: The utility model further includes a support provided on the side of the prefabricated column, and the first reinforcing member is fixed to the support.
7. The composite beam column structure of claim 1, wherein: 8. The composite beam column structure of claim 7, wherein: 9. The composite beam column structure of claim 8, wherein: 10. The composite beam column structure of claim 1, wherein: