Connecting structure of newly-added beam and original structural beam
By using a combined structure of connecting beam reinforcement, reinforcing frame, protrusions, and reinforcing steel plates, the problem of ineffective connection of anchor bolt technology in severely weathered or low-strength concrete structures is solved. This achieves a stable connection between the new beam and the original structural beam, improves connection strength and stability, and enhances the safety and airtightness of the building structure.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technologies, anchor bolt technology is not suitable for strengthening structures that are severely weathered or have low concrete strength, and there are construction joints between the new beam and the original structural beam, resulting in insufficient shear strength at the beam end section.
The structure employs a combination of connecting beam reinforcement, reinforcing frame, protrusions, and reinforcing steel plates, connected by high-strength bolts, and combined with filler and reinforcing cage to achieve a stable connection between the new beam and the original structural beam, and fill the gaps to enhance the sealing performance.
This improved the connection strength and stability between the new beams and the original structural beams, preventing loose connections and leaks, and enhancing the safety and load-bearing capacity of the building structure.
Smart Images

Figure CN224032255U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building structure technical field, concretely is a kind of connecting structure of new beam and original structure beam. BACKGROUND
[0002] New beam and original structure beam connecting method are mainly planted in the method of reinforcing bar, i.e. drilling hole on the base material of original structure beam, then injecting high-strength reinforcing bar glue, and then inserting reinforcing bar, and after glue solidification, reinforcing bar and base material are bonded into one body. When the cross-sectional width of original structure beam does not meet the anchoring length of stress reinforcing bar, the stress reinforcing bar of new concrete beam needs to be inserted through original structure beam.
[0003] Common concrete building reinforcement often uses anchor bolt technology, but anchor bolt technology is only applicable to the reconstruction and reinforcement of high-strength grade concrete load-bearing structure, when anchor bolt technology is used in low-strength grade concrete structure, the original concrete structure cannot support the setting of anchor bolt, so anchor bolt technology is not applicable to the reinforcement of severely weathered concrete structure and low-strength grade concrete structure, and there is construction joint between new beam and original structure beam, and beam end cross-section shear strength is difficult to meet.
[0004] Therefore, the utility model provides a kind of connecting structure of new beam and original structure beam to solve the above problems. UTILITY MODEL CONTENTS
[0005] (I) technical problem solved
[0006] The utility model provides a kind of connecting structure of new beam and original structure beam, to solve the problem proposed in background art.
[0007] (II) technical scheme
[0008] To achieve the above purpose, the utility model provides the following technical scheme: including original structure beam, the right side of original structure beam is installed with new beam, the new beam is provided with multiple groups of connecting beam bars, multiple groups of connecting beam bars are movably inserted in original structure beam, the left and right sides of original structure beam are all provided with butt joint groove, the left side of new beam is provided with lug, lug is movably inserted in butt joint groove in the right side of original structure beam, reinforcing steel plate is installed in butt joint groove in the left side of original structure beam, reinforcing steel plate is fixedly connected with multiple groups of connecting beam bars by nut, reinforcing assembly is provided in butt joint groove in the right side of original structure beam.
[0009] As a preferred technical solution of the present application, the reinforcing assembly comprises a reinforcing frame installed in the butt joint groove on the right side of the original structure beam, a plurality of groups of first high-strength bolts movably installed in the reinforcing frame from front to back and from left to right at the left end of the reinforcing frame, the plurality of groups of first high-strength bolts being inserted into the original structure beam, the protrusions on the left side of the new beam being inserted into the reinforcing frame, and a plurality of groups of second high-strength bolts being inserted into the reinforcing frame from front to back and from left to right at the right end of the reinforcing frame, the plurality of groups of second high-strength bolts being connected with the plurality of groups of protrusions.
[0010] As a preferred technical solution of the present application, the original structure beam is provided with a concrete plate at the opening of the butt joint groove on the left side of the original structure beam, a filler is arranged in the butt joint groove on the right side of the original structure beam, the filler is tightly fitted with the outer wall of the reinforcing frame and the inner wall of the butt joint groove, and the plurality of groups of first high-strength bolts are inserted through the filler.
[0011] As a preferred technical solution of the present application, the filler is provided with a reinforcing cage, and the reinforcing cage in the filler is fixedly connected with the original structure beam and the reinforcing frame.
[0012] As a preferred technical solution of the present application, the reinforcing frame and the reinforcing steel plate are made of magnesium alloy material.
[0013] As a preferred technical solution of the present application, the protrusions are the same size as the inner wall of the reinforcing frame, the reinforcing frame is the same size as the inner wall of the filler, and the reinforcing frame is located between the protrusions and the filler.
[0014] (Three) beneficial effects
[0015] Through the cooperation of the connecting beam, the reinforcing frame, the protrusions and the reinforcing steel plate, the stable connection between the new beam and the original structure beam is realized. This connection structure not only improves the strength of the connection, but also ensures the stability of the connection. In addition, the filler fills the gap between the original structure beam and the new beam, avoiding loosening and leakage at the connection, further enhancing the reliability of the connection. Furthermore, the design of the reinforcing assembly makes the connection structure more firm and can withstand greater load, improving the safety and stability of the building structure. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front view structural schematic diagram of a connection structure of a new beam and an original structure beam.
[0017] Figure 2 It is a front view structural split schematic diagram of a connection structure of a new beam and an original structure beam.
[0018] Figure 3 It is a top view structural section schematic diagram of a connection structure of a new beam and an original structure beam.
[0019] Figure 4This is a frontal structural breakdown diagram of the reinforcing frame and infill components in a connection structure between a newly added beam and an original structural beam.
[0020] In the picture:
[0021] 1. Original structural beam; 2. Newly added beam; 3. Connecting beam reinforcement; 4. Butt joint groove; 5. Reinforcing frame; 6. First high-strength bolt; 7. Protrusion; 8. Second high-strength bolt; 9. Reinforcing steel plate; 10. Concrete slab; 11. Filler. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] This utility model provides a connection structure between the newly added beam and the original structural beam, such as... Figures 1-4 As shown, the connection structure between the new beam and the original structural beam includes the original structural beam 1, the new beam 2 installed on the right side of the original structural beam 1, multiple sets of connecting beam reinforcement 3 are provided in the new beam 2, the multiple sets of connecting beam reinforcement 3 are movably inserted into the original structural beam 1, the original structural beam 1 has butt joint grooves 4 on both the left and right sides, the new beam 2 has a protrusion 7 on the left side, the protrusion 7 is movably inserted into the butt joint groove 4 on the right side of the original structural beam 1, the original structural beam 1 has a reinforcing steel plate 9 installed in the butt joint groove 4 on the left side, the reinforcing steel plate 9 is fixedly connected to the multiple sets of connecting beam reinforcement 3 by nuts, and the original structural beam 1 has a reinforcing component in the butt joint groove 4 on the right side.
[0024] The reinforcement component is fixedly installed in the docking groove 4 on the right side of the original structural beam 1, and the new beam 2 is inserted into the reinforcement component through the protrusion 7. The multiple sets of connecting beam bars 3 on the left side of the new beam 2 are locked to the reinforcement steel plate 9 with nuts, thereby fixing the new beam 2 and the original structural beam 1, thus achieving a stable connection between the new beam 2 and the original structural beam 1.
[0025] The reinforcement component includes a reinforcement frame 5, which is installed in the docking groove 4 on the right side of the original structural beam 1. Multiple sets of first high-strength bolts 6 are movably installed on the left end of the reinforcement frame 5 in all directions. The multiple sets of first high-strength bolts 6 are inserted into the original structural beam 1. The protrusion 7 on the left side of the new beam 2 is inserted into the reinforcement frame 5. Multiple sets of second high-strength bolts 8 are inserted on the right end of the reinforcement frame 5 in all directions. The multiple sets of second high-strength bolts 8 are connected to the multiple sets of protrusions 7.
[0026] Before the new beam 2 is fixedly connected with the original structure beam 1, the reinforcing frame 5 is fixedly installed in the butt joint groove 4 through a plurality of first high-strength bolts 6, and the new beam 2 is inserted into the protrusion 7 through the butt joint groove 4, and the reinforcing frame 5 and the protrusion 7 are fixed together by using a plurality of second high-strength bolts 8, so that the reinforcing effect after the new beam 2 is connected with the original structure beam 1 is completed, the connection strength between the new beam 2 and the original structure beam 1 can be effectively enhanced, and the stability and safety of the entire connecting structure are improved.
[0027] The concrete plate 10 is arranged at the opening of the butt joint groove 4 on the left side of the original structure beam 1, and the filler 11 is arranged in the butt joint groove 4 on the right side of the original structure beam 1, the filler 11 is tightly fitted with the outer wall of the reinforcing frame 5 and the inner wall of the butt joint groove 4, and the plurality of first high-strength bolts 6 are all inserted through the filler 11.
[0028] Through the arrangement of the filler 11, the gap between the reinforcing frame 5 and the butt joint groove 4 can be filled, and the original structure beam 1 and the new beam 2 are connected and reinforced and sealed, so that loosening and leakage at the connection are avoided, and the sealing property and stability of the entire connecting structure are enhanced.
[0029] The reinforcing cage is arranged in the filler 11, and the reinforcing cage in the filler 11 is fixedly connected with the original structure beam 1 and the reinforcing frame 5 respectively.
[0030] According to the arrangement of the reinforcing cage in the filler 11, the structural strength of the filler 11 as a whole connected with the original structure beam 1 and the reinforcing frame 5 can be further improved, so that the filler 11 can better reinforce and seal the connection between the original structure beam 1 and the new beam 2, and the carrying capacity and service life of the entire connecting structure are improved.
[0031] The reinforcing frame 5 and the reinforcing steel plate 9 are both made of magnesium alloy material.
[0032] According to the magnesium alloy material of the reinforcing frame 5 and the reinforcing steel plate 9, not only the characteristics of high strength, high hardness and high toughness are possessed, but also good corrosion resistance and wear resistance are possessed, so that the stability and reliability of the connecting structure can be maintained for a long time.
[0033] The inner wall of the protrusion 7 is the same size as the inner wall of the reinforcing frame 5, the inner wall of the filler 11 is the same size as the inner wall of the reinforcing frame 5, and the reinforcing frame 5 is between the protrusion 7 and the filler 11.
[0034] The connection tightness of the reinforcing frame 5 with the protrusion 7 after the reinforcing frame 5 is installed in the butt joint groove 4 is ensured, and the connection tightness of the filler 11 to the inner wall of the butt joint groove 4 is ensured, so that the butt joint tightness of the new beam 2 with the butt joint groove 4 on the right side of the original structure beam 1 is ensured.
[0035] Working principle: in use, the reinforcing frame 5 is fixedly installed in the butt joint groove 4 on the right side of the original structure beam 1 through a plurality of first high-strength bolts 6, then the protrusion 7 on the left side of the new beam 2 is inserted in the reinforcing frame 5, and a plurality of connecting beam bars 3 in the new beam 2 are inserted in the butt joint groove 4 on the left side of the original structure beam 1 from the original structure beam 1, then the reinforcing steel plate 9 is locked with the plurality of connecting beam bars 3 by using the nut, thereby preliminarily fixing the new beam 2 and the original structure beam 1, then the reinforcing frame 5 and the protrusion 7 are fixed together by using a plurality of second high-strength bolts 8, thereby completing the reinforcing effect after the new beam 2 is connected with the original structure beam 1, the filling piece 11 is formed by pouring concrete between the reinforcing frame 5 and the butt joint groove 4, thereby reinforcing and sealing the connection between the original structure beam 1 and the new beam 2, avoiding loosening and leakage at the connection, and enhancing the sealing performance and stability of the whole connection structure.
[0036] The above merely describes a preferred 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 replacements or changes 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 by the protection scope of the present application.
Claims
1. A connection structure between a newly added beam and an existing structural beam, comprising the existing structural beam (1), characterized in that: A new beam (2) is installed on the right side of the original structural beam (1). The new beam (2) is provided with multiple sets of connecting beam bars (3). The multiple sets of connecting beam bars (3) are movably inserted into the original structural beam (1). The original structural beam (1) has butt joint grooves (4) on both the left and right sides. The new beam (2) is provided with a protrusion (7) on the left side. The protrusion (7) is movably inserted into the butt joint groove (4) on the right side of the original structural beam (1). A reinforcing steel plate (9) is installed in the butt joint groove (4) on the left side of the original structural beam (1). The reinforcing steel plate (9) is fixedly connected to the multiple sets of connecting beam bars (3) by nuts. A reinforcing component is provided in the butt joint groove (4) on the right side of the original structural beam (1).
2. The connection structure between the newly added beam and the original structural beam according to claim 1, characterized in that: The reinforcement component includes a reinforcement frame (5), which is installed in the docking groove (4) on the right side of the original structural beam (1). Multiple sets of first high-strength bolts (6) are movably installed on the left end of the reinforcement frame (5) in all directions. The multiple sets of first high-strength bolts (6) are inserted into the original structural beam (1). The protrusion (7) on the left side of the new beam (2) is inserted into the reinforcement frame (5). Multiple sets of second high-strength bolts (8) are inserted on the right end of the reinforcement frame (5) in all directions. The multiple sets of second high-strength bolts (8) are connected to the multiple sets of protrusions (7).
3. The connection structure between the newly added beam and the original structural beam according to claim 2, characterized in that: A concrete slab (10) is provided at the opening of the docking groove (4) on the left side of the original structural beam (1), and a filler (11) is provided in the docking groove (4) on the right side of the original structural beam (1). The filler (11) is tightly fitted to the outer wall of the reinforcing frame (5) and the inner wall of the docking groove (4), and multiple sets of the first high-strength bolts (6) pass through the filler (11).
4. The connection structure between the newly added beam and the original structural beam according to claim 3, characterized in that: The filling component (11) is provided with a reinforcing cage, and the reinforcing cage in the filling component (11) is fixedly connected to the original structural beam (1) and the reinforcing frame (5) respectively.
5. The connection structure between the newly added beam and the original structural beam according to claim 2, characterized in that: Both the reinforcing frame (5) and the reinforcing steel plate (9) are made of magnesium alloy.
6. The connection structure between the newly added beam and the original structural beam according to claim 2, characterized in that: The protrusion (7) is the same size as the inner wall of the reinforcing frame (5), the reinforcing frame (5) is the same size as the inner wall of the filler (11), and the reinforcing frame (5) is located between the protrusion (7) and the filler (11).