Beam column joint for steel reinforced concrete
By setting multiple beam shells and central tubes in the steel-concrete beam-column joint, the load is distributed and the fixed column is strengthened, which solves the problem of excessive stress caused by load concentration and improves the stability and durability of the structure.
Patent Information
- Application Number
- CN202520342255.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing steel-concrete joints cannot effectively distribute the load on beams and columns, resulting in excessive stress at the joints, causing deformation and fatigue damage, and affecting the safety and durability of the structure.
A beam-column joint structure was designed, in which multiple beam shells are set around the fixed column. The load is transferred to the adjacent beam shells through rotating blocks and guide rods, forming tensile or thrust forces in opposite directions to offset the load. Cement is poured into the central cylinder to enhance the structural strength of the fixed column.
It effectively counteracts loads, protects the stability of fixed columns, enhances the rigidity and strength of the structure, reduces deformation and fatigue damage at nodes, and improves the safety and durability of the overall structure.
Smart Images
Figure CN223907683U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of shaped steel concrete, especially relates to a beam column joint for shaped steel concrete. BACKGROUND
[0002] Shaped steel concrete is a new type of composite material that combines shaped steel and concrete to achieve higher load-bearing capacity and durability. It has been widely used in construction, bridges, tunnels and other engineering projects, especially in high-rise buildings and large public facilities due to its excellent seismic resistance and wind resistance. With the development of material science and construction technology, the design and construction methods of shaped steel concrete have been continuously optimized, improving the safety and economy of engineering projects.
[0003] In actual use, the general shaped steel concrete joint still has some shortcomings. The load on the beam column can only be directly borne by the shaped steel concrete joint, and cannot be effectively dispersed to other structural parts. The concentrated load may cause excessive stress at the joint, leading to joint deformation and fatigue damage. The stiffness and strength of the joint may not be sufficient to withstand sudden external forces such as earthquakes or wind loads, thereby affecting the safety and durability of the entire structure, and cannot meet the actual needs. SUMMARY
[0004] The utility model discloses a beam column joint for shaped steel concrete, which aims to solve the technical problem that the general shaped steel concrete joint still has some shortcomings in actual use. The load on the beam column can only be directly borne by the shaped steel concrete joint, and cannot be effectively dispersed to other structural parts. The concentrated load may cause excessive stress at the joint, leading to joint deformation and fatigue damage.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A beam column joint for shaped steel concrete, comprising a fixed column, the fixed column is provided with a connecting rod at each corner, the top end of the connecting rod is rotatably connected with a rotating block, the two ends of the rotating block are provided with a limiting slot, the limiting slot is slidably connected with a guide rod inside, the bottom of the guide rod is fixedly connected with a beam shell.
[0007] A plurality of support plates are fixedly connected to the outer wall of the top of the fixed column, a plurality of reinforcing plates are fixedly connected to one side of the rotating block, the reinforcing plates and the support plates slide relative to each other, the edges of the reinforcing plates are arc-shaped protrusions, and the edges of the support plates are arc-shaped notches.
[0008] The arc-shaped protrusions on the edges of the support plates slide on one side of the arc-shaped notches on the edges of the reinforcing plates, and the plurality of reinforcing plates increase the structural strength of the rotating block.
[0009] A plurality of upper abutting blocks are fixedly connected to the outer wall of the fixed column respectively, a limiting block is fixedly connected to the outer wall of the fixed column respectively near the bottom of the upper abutting block, a lower abutting block is arranged on the outer wall of the fixed column at the position of the bottom of the limiting block, and a clamping plate is arranged on the outer wall of the fixed column at the positions on both sides of the limiting block.
[0010] The inner wall of the beam shell is provided with a sliding channel, and the limiting block slides in the sliding channel.
[0011] In a preferred scheme, the inner part of the fixed column is provided with a center cylinder, the inner part of the center cylinder is provided with a plurality of fixed rods, and a plurality of fixed rings are arranged on the fixed rods.
[0012] The center cylinder and the fixed column are welded together through steel bars.
[0013] As can be seen from the above, the beam-column joint for steel reinforced concrete provided by the utility model has the following technical effects.
[0014] Firstly, the fixed column is the center of the beam-column of the steel reinforced concrete, and a plurality of beam shells are arranged around the fixed column, when the beam shell is subjected to a pushing force or a pulling force, the beam shell drives the rotating block to rotate, the rotating block transmits the load of the pushing force or the pulling force to the adjacent two beam shells, the load is transmitted to the guide rods of the adjacent two beam shells, and the pulling force or the pushing force perpendicular to the surface of the fixed column is formed on the adjacent two beam shells, since the positions of the adjacent two beam shells are symmetrical to the fixed column, the pulling force or the pushing force formed on the adjacent two beam shells is equal in size and opposite in direction, so that the load is offset, and the effect of offsetting the load and protecting the stability of the fixed column is achieved.
[0015] Secondly, the center cylinder is poured with cement, the cement is solidified in the center cylinder, the center cylinder serves as the center of the fixed column, and the effect of enhancing the structural strength of the fixed column and reducing the weight is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides an axonometric structure schematic view of a beam-column joint for steel reinforced concrete.
[0017] Figure 2 The utility model provides a sectional structure schematic view of a beam-column joint for steel reinforced concrete.
[0018] Figure 3 The utility model provides a structure schematic view of a beam-column joint reinforcing plate for steel reinforced concrete.
[0019] Figure 4 The utility model provides a structure schematic view of a center cylinder of a beam-column joint for steel reinforced concrete.
[0020] In the drawings: 1, fixed column; 2, beam shell; 3, rotating block; 4, center tube; 5, support plate; 6, upper stop block; 7, lower stop block; 8, clamping plate; 9, limiting block; 10, slide; 11, guide rod; 12, reinforcing plate; 13, limiting groove; 14, fixed rod; 15, fixed ring. DETAILED DESCRIPTION
[0021] 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.
[0022] 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 devices or elements referred to 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.
[0023] The beam-column joint for steel reinforced concrete disclosed by the utility model mainly applies the general steel reinforced concrete joint, and some shortcomings still exist in actual use, the load on the beam column can only be directly borne by the steel reinforced concrete joint, cannot be effectively dispersed to other structural parts, and the concentrated load can cause excessive stress at the joint, thereby causing the scene of joint deformation and fatigue damage.
[0024] Reference Figure 1 Figure 4 A beam-column joint for steel reinforced concrete, comprising a fixed column 1, the four corners of the fixed column 1 are respectively provided with connecting rods, the top ends of the connecting rods are respectively rotationally connected with rotating blocks 3, the two ends of the rotating blocks 3 are respectively provided with limiting grooves 13, the limiting grooves 13 are slidably connected with guide rods 11, and the bottoms of the guide rods 11 are fixedly connected with beam shells 2.
[0025] A plurality of support plates 5 are fixedly connected to the top outer wall of the fixed column 1, a plurality of reinforcing plates 12 are fixedly connected to one side of the rotating block 3, the reinforcing plates 12 slide relative to the support plates 5, the edges of the reinforcing plates 12 are arc-shaped protrusions, and the edges of the support plates 5 are provided with arc-shaped notches.
[0026] The arc-shaped protrusions of the edges of the support plates 5 slide on one side of the arc-shaped notches of the edges of the reinforcing plates 12, and the plurality of reinforcing plates 12 have the effect of increasing the structural strength of the rotating block 3.
[0027] A plurality of upper abutting blocks 6 are fixedly connected to the outer wall of the fixed column 1 respectively, a limiting block 9 is fixedly connected to the outer wall of the fixed column 1 respectively near the bottom of the upper abutting block 6, a lower abutting block 7 is arranged on the outer wall of the fixed column 1 at the position of the bottom of the limiting block 9, and a clamping plate 8 is arranged on the outer wall of the fixed column 1 at the positions on both sides of the limiting block 9 respectively.
[0028] The inner wall of the beam shell 2 is provided with a sliding channel 10, and the limiting block 9 slides in the sliding channel 10.
[0029] In the embodiment, the fixed column 1 is the center of the steel reinforced concrete beam column, and a plurality of beam shells 2 are arranged around the fixed column 1. When the beam shell 2 is subjected to a pushing force or a pulling force, the limiting block 9 and the beam shell 2 slide relative to each other, so that the beam shell 2 drives the rotating block 3 to rotate. Since the guide rod 11 can slide in the limiting groove 13, the rotating block 3 rotates to transfer the load of the pushing force or the pulling force to the two adjacent beam shells 2. Through the guide rod 11 transferring the load to the two adjacent beam shells 2, a pulling force or a pushing force perpendicular to the surface of the fixed column 1 is formed on the two adjacent beam shells 2. Since the positions of the two adjacent beam shells 2 are symmetrical to the fixed column 1, the pulling force or the pushing force formed on the two adjacent beam shells 2 is equal in size and opposite in direction, so as to offset the load and protect the stability of the fixed column 1.
[0030] Further, when the beam shell 2 is subjected to a shearing force, the shearing force is transferred to the fixed column 1 through the upper abutting block 6 and the lower abutting block 7.
[0031] Referring to Figure 1 , Figure 2 and Figure 4 , in a preferred embodiment, the inner part of the fixed column 1 is provided with a center cylinder 4, the inner part of the center cylinder 4 is provided with a plurality of fixed rods 14, and the fixed rods 14 are provided with a plurality of fixed rings 15.
[0032] The center cylinder 4 and the fixed column 1 are welded together by steel bars.
[0033] In the embodiment, cement is poured in the inner part of the center cylinder 4, and the cement is solidified in the inner part of the center cylinder 4. The center cylinder 4 serves as the center of the fixed column 1, and has the effects of enhancing the structural strength of the fixed column 1 and reducing the weight.
[0034] Working principle: when using, the fixed column 1 is the beam column center of the steel reinforced concrete, a plurality of beam shells 2 are arranged around, when the beam shell 2 is subjected to the thrust or the tension, the limiting block 9 and the beam shell 2 slide relatively, the beam shell 2 drives the rotating block 3 to rotate, the rotating block 3 rotates and the load of the thrust or the tension is transmitted to the adjacent two beam shells 2 due to the fact that the guide rod 11 can slide in the limiting groove 13, the load is transmitted to the guide rod 11 of the adjacent two beam shells 2, the tension or the thrust perpendicular to the surface of the fixed column 1 is formed on the adjacent two beam shells 2, the tension or the thrust formed on the adjacent two beam shells 2 is equal in size and opposite in direction due to the fact that the position of the adjacent two beam shells 2 is symmetrical to the fixed column 1, so the load is offset, the effect of offsetting the load and protecting the stability of the fixed column 1 is achieved, the cement is poured in the inside of the center cylinder 4, the cement is solidified in the inside of the center cylinder 4, the center cylinder 4 serves as the center of the fixed column 1, and the effect of enhancing the structural strength of the fixed column 1 and reducing the weight is achieved.
[0035] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.
Claims
1. A beam-column joint for composite construction comprising a fixed column (1), characterized in that, The four corners of the fixed column (1) are respectively provided with connecting rods, the top ends of the connecting rods are respectively rotationally connected with rotating blocks (3), both ends of the rotating block (3) are respectively provided with limiting grooves (13), the inside of the limiting groove (13) is slidably connected with a guide rod (11), the bottom of the guide rod (11) is fixedly connected with a beam shell (2); The top outer wall of the fixed column (1) is fixedly connected with a plurality of support plates (5), one side of the rotating block (3) is fixedly connected with a plurality of reinforcing plates (12), the reinforcing plate (12) and the support plate (5) are relatively slidably connected, the edge of the reinforcing plate (12) is arc-shaped protrusion, and the edge of the support plate (5) is provided with an arc-shaped notch. The outer wall of the fixed column (1) is respectively fixedly connected with a plurality of upper abutting blocks (6), the outer wall of the fixed column (1) is respectively fixedly connected with limiting blocks (9) at the bottom of the upper abutting block (6), the outer wall of the fixed column (1) is provided with lower abutting blocks (7) at the position of the bottom of the limiting block (9), and the outer wall of the fixed column (1) is respectively provided with clamping plates (8) at the positions of both sides of the limiting block (9).
2. A beam-column joint for composite construction according to claim 1, wherein The arc-shaped protrusion of the edge of the support plate (5) slides on one side of the arc-shaped notch of the edge of the reinforcing plate (12), and the plurality of reinforcing plates (12) increase the structural strength of the rotating block (3).
3. A beam-column joint for composite construction according to claim 2, wherein The inner wall of the beam shell (2) is provided with a slide (10), and the limiting block (9) slides in the slide (10).
4. A beam-column joint for composite construction according to claim 3, wherein The inside of the fixed column (1) is provided with a center cylinder (4), the inside of the center cylinder (4) is provided with a plurality of fixed rods (14), and the fixed rod (14) is provided with a plurality of fixed rings (15).
5. A beam-column joint for composite construction according to claim 4, wherein The center cylinder (4) and the fixed column (1) are welded together through steel bars.