Novel large cantilever steel structure
By using a structural system in which steel beams and concrete beams are connected through embedded parts in large cantilevered steel canopies, the problems of limited cantilever length and insufficient load-bearing capacity in traditional structures are solved, and higher load-bearing capacity and longer steel beam length are achieved, while reducing construction difficulty and material usage.
Patent Information
- Application Number
- CN202323641069.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2033-12-29
AI Technical Summary
Traditional large cantilever steel cantilevers often face the problems of limited cantilever length and insufficient load-bearing capacity during design and construction.
A structural system is adopted in which the steel beam and the concrete beam arranged on the floor are connected through embedded parts. Through this connection method, the conventionally designed torque control is converted into bending moment or shear control, thereby increasing the length of the steel beam.
It significantly improves the bearing capacity of the nodes, increases the length of the steel beam, reduces the number of reinforcement and construction difficulty of concrete beams, saves the amount of steel and improves the connection efficiency.
Smart Images

Figure CN222796907U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building structures, in particular to a novel large cantilever steel structure. Background Art
[0002] In building structure design, large cantilever steel canopies are a common structural form. However, traditional large cantilever steel canopies often face problems such as limited cantilever length and insufficient bearing capacity during design and construction. Therefore, the development of a new cantilever steel canopy structure system has important practical significance and engineering value. Utility Model Content
[0003] The utility model aims to overcome the defects of the prior art and provide a novel large cantilever steel structure.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A novel large cantilever steel structure comprises a steel beam, a concrete beam arranged on a floor slab, and an embedded part arranged on the steel beam and connected to the concrete beam.
[0006] In the structural system of the utility model, a concrete beam is arranged on the floor slab, and the steel beam is connected to the concrete beam through an embedded part, so that the torque control of the conventional design can be converted into bending moment or shear force control, and the length of the steel beam can be increased.
[0007] Preferably, the concrete beams include cantilever side concrete beams and non-cantilever side concrete beams. In the utility model, the cantilever side concrete beams and non-cantilever side concrete beams can respectively play the role of bending resistance on the cantilever side and the non-cantilever side.
[0008] Preferably, the embedded parts are arranged below the cantilever side concrete beam, below the non-cantilever side concrete beam or to the side of the non-cantilever side concrete beam. The utility model can reduce the changes to the original concrete structure by designing reasonable embedded parts, and further improve the convenience of construction.
[0009] Preferably, the embedded parts include a first embedded part; the steel beam includes a non-cantilever side horizontal section, a cantilever side horizontal section, and a first embedded section located between the non-cantilever side horizontal section and the cantilever side horizontal section and corresponding to the position of the cantilever side concrete beam, the first embedded section is U-shaped, the first embedded part is embedded in the first embedded section and connected to the cantilever side concrete beam extending into the first embedded section.
[0010] Preferably, the cantilever side concrete beam comprises a first cantilever side concrete beam and a second cantilever side concrete beam, and the first embedded part is located below the first cantilever side concrete beam and connected to the first cantilever side concrete beam.
[0011] Preferably, the second cantilever side concrete beam extends to the bottom of the first embedded section.
[0012] Preferably, the embedded parts include a second embedded part, which is arranged at the end of the non-cantilever side horizontal section, and the non-cantilever side concrete beam extends downward to one side of the end of the non-cantilever side horizontal section and is connected to the second embedded part.
[0013] In the utility model, the first embedded part can play a role in resisting compression or shearing, and the second embedded part plays a role in resisting tension. In the utility model, the first embedded part and the second embedded part are used to fix the cantilever side and the non-cantilever side respectively.
[0014] The beneficial effects of the utility model compared with the prior art are:
[0015] The utility model adopts the method of connecting concrete beams and embedded parts, which significantly improves the bearing capacity of the nodes, increases the length of the cantilever steel beam under the same concrete beam cross-section, and has a strong bearing capacity. It can reduce the number of reinforcements and construction difficulty of the concrete beam, save steel and improve the connection efficiency.
[0016] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 This is a structural schematic diagram of a new large cantilever steel structure in this embodiment.
[0019] Reference numerals:
[0020] 1. First embedded part; 2. Second embedded part; 3. Steel beam; 4. Cantilever side concrete beam; 5. First non-cantilever side concrete beam; 6. Second non-cantilever side concrete beam. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. 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.
[0022] like Figure 1 As shown, this embodiment is a new type of large cantilever steel structure, including a steel beam 3, a concrete beam arranged on the floor slab, and an embedded part arranged on the steel beam 3 and connected to the concrete beam.
[0023] In the structural system of this embodiment, a concrete beam is arranged on the floor slab, and the steel beam is connected to the concrete beam through embedded parts, so that the torque control of the conventional design can be converted into bending moment or shear force control, and the length of the steel beam can be increased.
[0024] In one embodiment, the concrete beams include cantilever side concrete beams 4 and non-cantilever side concrete beams. In this embodiment, the cantilever side concrete beams and the non-cantilever side concrete beams can respectively play the role of bending resistance on the cantilever side and the non-cantilever side.
[0025] In one embodiment, the embedded parts are arranged below the cantilever side concrete beam, below the non-cantilever side concrete beam or to the side of the non-cantilever side concrete beam. This embodiment can reduce the changes to the original concrete structure by designing reasonable embedded parts, and further improve the convenience of construction.
[0026] In one embodiment, the embedded parts include a first embedded part 1; the steel beam includes a non-cantilever side horizontal section, a cantilever side horizontal section, and a first embedded section located between the non-cantilever side horizontal section and the cantilever side horizontal section and corresponding to the position of the cantilever side concrete beam, the first embedded section is U-shaped, the first embedded part is embedded in the first embedded section and connected to the cantilever side concrete beam extending into the first embedded section.
[0027] In one embodiment, the cantilever side concrete beam comprises a first cantilever side concrete beam 5 and a second cantilever side concrete beam 6, and the first embedded part is located below the first cantilever side concrete beam and connected to the first cantilever side concrete beam.
[0028] In one embodiment, the second cantilevered side concrete beam extends to the bottom of the first embedded section.
[0029] In one embodiment, the embedded parts include a second embedded part 2, which is arranged at the end of the non-cantilever side horizontal section, and the non-cantilever side concrete beam extends downward to one side of the end of the non-cantilever side horizontal section and is connected to the second embedded part.
[0030] In this embodiment, the first embedded part can play a role in resisting compression or shearing, and the second embedded part 2 plays a role in resisting tension. In this embodiment, the first embedded part and the second embedded part are used to fix the cantilever side and the non-cantilever side respectively.
[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A new type of large cantilever steel structure, characterized in that: It includes a steel beam, a concrete beam arranged on the floor slab, and an embedded part arranged on the steel beam and connected to the concrete beam; The concrete beam includes a cantilever side concrete beam and a non-cantilever side concrete beam; The embedded parts are arranged below the cantilever side concrete beam, below the non-cantilever side concrete beam or on the side of the non-cantilever side concrete beam; The embedded parts include a first embedded part; the steel beam includes a non-cantilever side horizontal section, a cantilever side horizontal section, and a first embedded section located between the non-cantilever side horizontal section and the cantilever side horizontal section and corresponding to the position of the cantilever side concrete beam, the first embedded section is U-shaped, the first embedded part is embedded in the first embedded section and connected to the cantilever side concrete beam extending into the first embedded section.
2. The new large cantilever steel structure according to claim 1 is characterized in that: The cantilever side concrete beam comprises a first cantilever side concrete beam and a second cantilever side concrete beam, and the first embedded part is located below the first cantilever side concrete beam and connected to the first cantilever side concrete beam.
3. The new large cantilever steel structure according to claim 2 is characterized in that: The second cantilever side concrete beam extends to the bottom of the first embedded section.
4. The novel large cantilever steel structure according to any one of claims 1 to 3 is characterized in that: The embedded parts include a second embedded part, which is arranged at the end of the non-cantilever side horizontal section. The non-cantilever side concrete beam extends downward to one side of the end of the non-cantilever side horizontal section and is connected to the second embedded part.