Novel reinforced concrete column and system

Abstract

The utility model discloses a novel reinforced concrete column and system. Column steel bars comprise vertical steel bars and transverse steel bars. The vertical reinforcing steel bars comprise external vertical reinforcing steel bars and core vertical reinforcing steel bars; the transverse steel bars comprise external transverse bars, core transverse bars and common transverse bars; the external vertical ribs are arranged along the periphery of the column; the outer transverse bars are vertically arranged at intervals along the outer vertical bars to form an outer reinforcement cage; the core vertical ribs are positioned in the column; the core transverse ribs are vertically arranged at intervals along the core vertical ribs to form a core reinforcement cage; the common transverse ribs are vertically arranged at intervals along the core vertical ribs and the external vertical ribs and are connected with the core vertical ribs and the external vertical ribs; the vertical steel bars and the transverse steel bars are wrapped by the column concrete. The novel reinforced concrete column improves the concrete pouring quality and improves the bearing capacity and ductility of the column.

Description

Technical Field

[0001] The utility model belongs to the field of structural technology, and particularly relates to a novel reinforced concrete column and system. Background Art

[0002] The longitudinal reinforcement and stirrups of the frame column together with the concrete form a reinforced concrete column. When the bending moment borne by the column is large, the spacing between the reinforcements is often too small, and in the beam-column node area, the horizontal longitudinal reinforcement of the beam is inserted into the column, where the reinforcement is too dense, which can easily lead to the difficulty in guaranteeing the quality of the column concrete pouring and the concrete strength. Utility Model Content

[0003] The present invention proposes a novel reinforced concrete column and system, the purpose of which is to increase the spacing of longitudinal reinforcement bars at the edge, improve the quality of concrete pouring, and achieve concrete strength.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions.

[0005] A new type of reinforced concrete column, the column reinforcement includes vertical reinforcement and transverse reinforcement; the vertical reinforcement includes external vertical reinforcement and core vertical reinforcement; the transverse reinforcement includes external transverse reinforcement, core transverse reinforcement and common transverse reinforcement; the external vertical reinforcement is arranged along the periphery of the column; the external transverse reinforcement is arranged vertically at intervals along the external vertical reinforcement to form an external reinforcement cage; the core vertical reinforcement is located inside the column; the core transverse reinforcement is arranged vertically at intervals along the core vertical reinforcement to form a core reinforcement cage; the common transverse reinforcement is arranged vertically at intervals along the core vertical reinforcement and the external vertical reinforcement to connect the core vertical reinforcement and the external vertical reinforcement; the column concrete wraps the vertical reinforcement and the transverse reinforcement.

[0006] Preferably, the external transverse reinforcement includes closed stirrups and / or tie bars; at least one closed stirrup is arranged along the periphery of the column.

[0007] Preferably, the core transverse reinforcement includes closed stirrups and / or tie bars.

[0008] Preferably, the closed stirrups of the core transverse reinforcement are circular stirrups or spiral stirrups.

[0009] Preferably, the common transverse reinforcement includes closed stirrups and / or tie bars; the closed stirrups connect the core vertical bars and the external vertical bars to form a steel cage.

[0010] Preferably, the steel cage formed by connecting the core vertical bars and the external vertical bars with closed stirrups is located at the corner of the column; the steel cage has additional vertical bars; and the spacing between the vertical bars is not less than 2d.

[0011] Preferably, there is a steel frame in the column; the steel frame is located in the core steel cage.

[0012] Preferably, there are multiple core steel reinforcement cages.

[0013] A new type of reinforced concrete column system, the new type of reinforced concrete column is fixedly connected to the beam or wall to form a structural system.

[0014] Compared with the prior art, the utility model has the following characteristics and beneficial effects.

[0015] 1. The new reinforced concrete column of the utility model has a core steel cage arranged inside the column, so that the ductility and bearing capacity of the reinforced concrete column are improved.

[0016] 2. The new reinforced concrete column of the utility model forms a steel cage at the corner of the column to constrain the corner concrete and improve the bending bearing capacity and ductility of the column.

[0017] 3. In the new reinforced concrete column of the utility model, the core steel cage and the external steel cage are connected together by common transverse steel bars, forming multiple constraints and improving the ductility of the column.

[0018] 4. The new reinforced concrete column of the utility model has longitudinal steel bars arranged inside, which effectively increases the spacing of the longitudinal steel bars around the column, making it easier to ensure the quality of concrete pouring and the strength of concrete.

[0019] 5. The new reinforced concrete column of the utility model is provided with steel skeleton in the core reinforcement cage to further improve the bearing capacity and ductility of the column. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] Figure 1 Cross section of a new reinforced concrete column Figure 1 .

[0022] Figure 2 Cross section of a new reinforced concrete column Figure 2 .

[0023] Figure 3 Longitudinal section of the new reinforced concrete column.

[0024] Figure symbols: 1-vertical reinforcement, 1.1-external vertical reinforcement, 1.2-core vertical reinforcement, 2-transverse reinforcement, 2.1-external transverse reinforcement, 2.2-core transverse reinforcement, 2.3-common transverse reinforcement, 3-external reinforcement cage, 4-core reinforcement cage, 5-steel frame, 6-additional vertical reinforcement, 7-column concrete. Specific embodiments

[0025] In order to better understand the purpose, technical solution and function of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings. Here, the illustrative embodiments of the utility model and their descriptions are used to explain the utility model, but are not intended to limit the utility model.

[0026] In the description of the present utility model, it is to be understood that the terms "include / comprise", "consist of..." or any other variations thereof are intended to cover non-exclusive inclusion, so that a product, device, process or method including a series of elements includes not only those elements, but also other elements not explicitly listed when necessary, or also includes elements inherent to such product, device, process or method. In the absence of further restrictions, the elements defined by the phrases "include / comprise..." or "consist of..." do not exclude the presence of other identical elements in the product, device, process or method including the elements.

[0027] In the present utility model, unless otherwise clearly specified and limited, the term "fixed connection" should be understood in a broad sense, for example: it can be a sleeve connection, an overlap, a welding, a bolt connection, or a combination of the above connections; the terms "installation", "connection", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components; the term "through-length steel bar" means that the steel bar is continuous without disconnection, or the steel bar is disconnected but the disconnected steel bars are fixedly connected. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] The following is a detailed description of the implementation of the present invention using preferred implementation methods in conjunction with the accompanying drawings.

[0029] like Figure 1 and Figure 3 As shown, the column reinforcement of the new reinforced concrete column includes vertical reinforcement 1 and transverse reinforcement 2; the vertical reinforcement 1 includes external vertical reinforcement 1.1 and core vertical reinforcement 1.2; the transverse reinforcement 2 includes external transverse reinforcement 2.1, core transverse reinforcement 2.2 and common transverse reinforcement 2.3; the external vertical reinforcement 1.1 is arranged along the periphery of the column; the external transverse reinforcement 2.1 is arranged vertically at intervals along the external vertical reinforcement 1.1 to form an external reinforcement cage 3; the core vertical reinforcement 1.2 is located inside the column; the core transverse reinforcement 2.2 is arranged vertically at intervals along the core vertical reinforcement 1.2 to form a core reinforcement cage 4; the common transverse reinforcement 2.3 is arranged vertically at intervals along the core vertical reinforcement 1.2 and the external vertical reinforcement 1.1 to connect the core vertical reinforcement 1.2 and the external vertical reinforcement 1.1; the column concrete 7 wraps the vertical reinforcement 1 and the transverse reinforcement 2.

[0030] By setting the core column vertical reinforcement and increasing the spacing of the peripheral external vertical reinforcement, the quality of concrete pouring is improved. The core steel cage further improves the bearing capacity and ductility of the concrete column.

[0031] In a specific implementation, the external transverse reinforcement 2.1 includes closed stirrups and / or tie bars, and at least one closed stirrup is arranged along the periphery of the column.

[0032] During specific implementation, the core transverse reinforcement 2.2 includes closed stirrups and / or tie bars.

[0033] In specific implementation, the closed stirrups of the core transverse reinforcement 2.2 are circular stirrups or spiral stirrups, which further enhance the restraint effect of the core column.

[0034] In specific implementation, the common transverse reinforcement 2.3 includes closed stirrups and / or tie bars; the closed stirrups connect the core vertical reinforcement 1.2 and the external vertical reinforcement 1.1 to form a steel cage, which in turn constrains the concrete and improves the bearing capacity of the concrete column.

[0035] In specific implementation, the steel cage formed by connecting the core vertical reinforcement 1.2 and the external vertical reinforcement 1.1 with closed stirrups is located at the corner of the column, the steel cage has additional vertical reinforcement 6, and the vertical reinforcement spacing is not less than 2d, further improving the bearing capacity and ductility of the concrete column.

[0036] When implementing it, Figure 2 As shown, there is a steel frame 5 in the column, and the steel frame 5 is located in the core reinforcement cage 4. The steel frame improves the bearing capacity and ductility of the concrete column.

[0037] In specific implementation, there are multiple core steel cages 4 to form multiple constraints.

[0038] In specific implementation, the new reinforced concrete column is fixedly connected with the beam or wall to form a structural system, which improves the bearing capacity and ductility of the structural system.

[0039] The protection scope of the present invention is not limited thereto, and any modification, equivalent substitution and improvement made by any technician familiar with the technical field within the technical scope disclosed by the present invention shall be included in the protection scope of the present invention.

Claims

1. A new type of reinforced concrete column, characterized in that: The column reinforcement comprises vertical reinforcement (1) and transverse reinforcement (2); the vertical reinforcement (1) comprises external vertical reinforcement (1.1) and core vertical reinforcement (1.2); the transverse reinforcement (2) comprises external transverse reinforcement (2.1), core transverse reinforcement (2.2) and common transverse reinforcement (2.3); the external vertical reinforcement (1.1) is arranged along the periphery of the column; the external transverse reinforcement (2.1) is arranged vertically at intervals along the external vertical reinforcement (1.1) to form an external reinforcement cage (3); the core vertical reinforcement (1.2) is located inside the column; the core transverse reinforcement (2.2) is arranged vertically at intervals along the core vertical reinforcement (1.2) to form a core reinforcement cage (4); the common transverse reinforcement (2.3) is arranged vertically at intervals along the core vertical reinforcement (1.2) and the external vertical reinforcement (1.1) to connect the core vertical reinforcement (1.2) and the external vertical reinforcement (1.1); the column concrete (7) wraps the vertical reinforcement (1) and the transverse reinforcement (2).

2. The novel reinforced concrete column according to claim 1 is characterized in that: The external transverse reinforcement (2.1) comprises closed stirrups and / or tie bars; the external transverse reinforcement (2.1) has at least one closed stirrup arranged along the periphery of the column.

3. The novel reinforced concrete column according to claim 1 is characterized in that: The core transverse reinforcement (2.2) comprises closed stirrups and / or tie bars.

4. The novel reinforced concrete column according to claim 3 is characterized in that: The closed stirrups of the core transverse reinforcement (2.2) are circular stirrups or spiral stirrups.

5. The novel reinforced concrete column according to claim 1 is characterized in that: The common transverse reinforcement (2.3) comprises closed stirrups and / or tie bars; the closed stirrups connect the core vertical reinforcement (1.2) and the external vertical reinforcement (1.1) to form a reinforcement cage.

6. The novel reinforced concrete column according to claim 5 is characterized in that: The steel cage formed by connecting the core vertical bars (1.2) and the external vertical bars (1.1) with the closed stirrups is located at the corner of the column; the steel cage has additional vertical bars (6).

7. The novel reinforced concrete column according to claim 1 is characterized in that: There is a steel frame (5) in the column; the steel frame (5) is located in the core steel cage (4).

8. The novel reinforced concrete column according to claim 1 is characterized in that: There are multiple core steel bar cages (4).

9. A new type of reinforced concrete column system, characterized by: The novel reinforced concrete column according to claim 1 is fixedly connected to a beam or a wall to form a structural system.

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