A connecting structure of a column and a wall of a fabricated steel reinforced concrete flat warehouse

Abstract

The utility model discloses a kind of connection structure of assembly type steel reinforced concrete flat warehouse column and wall, including prefabricated column and sandwich thermal insulation wall body;Prefabricated column includes column inner section steel, and column inner section steel is welded with the outrigger web projecting prefabricated column;Sandwich thermal insulation wall body includes inner leaf wall, outer leaf wall, thermal insulation board and U-shaped ring muscle, U-shaped ring muscle passes through inner leaf wall and outer leaf wall, U-shaped ring muscle projects sandwich thermal insulation wall body and forms connecting hoop muscle, connecting hoop muscle is aligned with outrigger web, steel plate is placed in connecting hoop muscle, steel plate is also provided in the side of outrigger web, two steel plates are connected by bolt nut group, and embedded longitudinal reinforcement is also provided in connecting hoop muscle, and connecting hoop muscle is connected with outrigger web and is post-cast to form cast-in-situ column.The utility model can effectively solve the problem that steel reinforced concrete is connected complex at node, improve the reliability and efficiency of construction, reduce construction period, greatly improve the bearing capacity of component and reduce on-site wet operation.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated flat warehouse technology, specifically a connection structure between the columns and walls of a prefabricated steel-concrete flat warehouse. Background Technology

[0002] Prefabricated construction has developed rapidly worldwide and is an advanced production method. It involves prefabricating building components in a factory, then transporting them to the construction site for assembly, thus avoiding much on-site wet work, reducing on-site construction time, and improving construction quality and efficiency.

[0003] my country ranks among the world's top grain producers, ranking first globally. my country has a series of storage requirements for grain, and flat warehouses are a common type of grain storage facility, primarily used for storing cereals and other bulk materials. They remain the dominant type of warehouse in my country's grain reserves. Currently, existing flat warehouses typically use reinforced concrete columns. Concrete columns are significantly heavier than steel columns, making transportation and hoisting more difficult. Furthermore, reinforced concrete is prone to cracking under tension and bending, which may affect the structure's durability and safety. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a connection structure between the columns and walls of a prefabricated steel-concrete bungalow. The columns in the bungalow are made of composite columns, and steel is added inside the columns and extended webs are welded to ensure the reliability of the connection. This can effectively solve the problem of complex connection of steel-concrete at the joints, improve the reliability and efficiency of construction, reduce the construction cycle, greatly improve the load-bearing capacity of the components and reduce on-site wet work, and effectively solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a prefabricated steel-concrete bungalow column and wall connection structure, comprising a precast column and a sandwich insulated wall; the precast column includes internal steel sections, the column body of which is surrounded by multiple stirrups and longitudinal bars, and the internal steel sections are welded with an extended web protruding from the precast column; the sandwich insulated wall includes an inner leaf wall, an outer leaf wall, an insulation board, and U-shaped ring bars, the U-shaped ring bars passing through the inner leaf wall and the outer leaf wall, the U-shaped ring bars protruding from the sandwich insulated wall and forming connecting stirrups, the connecting stirrups being aligned with the extended web, a steel plate being placed inside the connecting stirrups, and a steel plate also being provided on one side of the extended web, the two steel plates being connected by a bolt and nut assembly, the connecting stirrups also having pre-embedded longitudinal bars, and the connecting stirrups being connected to the extended web before being cast into a cast-in-place column.

[0006] Preferably, it also includes a foundation beam, in which a pre-embedded short column is provided, the pre-embedded short column is provided with anchor bolts, the lower part of the steel section inside the column is provided with a column foot, and the column foot is connected to the pre-embedded short column through anchor bolts.

[0007] Preferably, the lower part of the column base is also provided with a shear key, and the pre-embedded short column is provided with a shear groove adapted to the shear key.

[0008] Preferably, the sandwich insulated wall is further provided with diagonal tie bars, vertical longitudinal bars and concealed beam stirrups. The two ends of the diagonal tie bars are inserted into the gaps reserved in the inner leaf wall and the outer leaf wall respectively, and are filled with foaming agent. The concealed beam stirrups are wrapped around the outside of the U-shaped ring bars, and the vertical longitudinal bars are tied and lapped with the U-shaped ring bars.

[0009] Preferably, the extended web is welded with a flange perpendicular to it.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. Pre-embedded steel sections in precast columns can improve the overall structural stability and load-bearing capacity of columns compared to ordinary reinforced concrete columns. Furthermore, the assembly method reduces construction difficulty and improves overall construction efficiency.

[0012] 2. Most node connections are made by welding, which can effectively solve the drawback of traditional construction schemes that often require a lot of steel bars at the node position. The welding connection method is used for assembly, which is simple in structure, saves labor and time, improves the airtightness between components, and increases the structural rigidity.

[0013] 3. Steel plates are added between the precast columns and the sandwich insulated walls and connected with bolts to prevent the joints from opening, thus giving the prefabricated grain warehouse better airtightness and thermal insulation performance, and improving the overall seismic performance of the structure. Attached Figure Description

[0014] Figure 1 This is a top view of the connection between the column and wall of the flat warehouse according to this utility model;

[0015] Figure 2 This is a cross-sectional view of the connection between the column and foundation of the flat warehouse of this utility model.

[0016] In the picture:

[0017] 1. Cast-in-place column, 1.1 Extended web, 1.2 Flange, 1.3 Bolt and nut assembly, 1.4 Embedded longitudinal reinforcement;

[0018] 2. Precast columns; 2.1 Internal steel sections of the columns; 2.2 Stirrups; 2.3 Longitudinal reinforcement;

[0019] 3. Sandwich insulated wall, 3.1 Inner leaf wall, 3.2 Outer leaf wall, 3.3 Insulation board, 3.4 U-shaped ring reinforcement, 3.41 Connecting stirrups, 3.5 Diagonal tie bars, 3.6 Vertical longitudinal reinforcement, 3.7 Hidden beam stirrups;

[0020] 4. Foundation beams, 4.1 column bases, 4.2 anchor bolts, 4.3 embedded short columns, 4.4 shear keys. Detailed Implementation

[0021] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right" indicating the orientation or positional relationship, they are only corresponding to the drawings of this application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation.

[0022] Please see Figure 1-2 This utility model provides a technical solution: a prefabricated steel-concrete bungalow column and wall connection structure, including prefabricated columns 2 and sandwich insulated walls 3; the prefabricated column 2 includes internal steel 2.1, the column body of the internal steel 2.1 is surrounded by multiple stirrups 2.2 and longitudinal bars 2.3, and the internal steel 2.1 is welded with an outwardly extending web plate 1.1 protruding from the prefabricated column 2; the sandwich insulated wall 3 includes an inner leaf wall 3.1, an outer leaf wall 3.2, an insulation board 3.3, and U-shaped ring bars 3.4, the U-shaped ring... The reinforcing bar 3.4 passes through the inner leaf wall 3.1 and the outer leaf wall 3.2. The U-shaped ring reinforcing bar 3.4 protrudes from the sandwich insulation wall 3 and forms a connecting stirrup 3.41. The connecting stirrup 3.41 is aligned with the extended web 1.1. A steel plate is placed inside the connecting stirrup 3.41. A steel plate is also provided on one side of the extended web 1.1. The two steel plates are connected by a bolt and nut assembly 1.3. The connecting stirrup 3.41 is also provided with a pre-embedded longitudinal reinforcing bar 1.4. After the connecting stirrup 3.41 is connected to the extended web 1.1, it is poured to form a cast-in-place column 1.

[0023] By pre-embedding column steel 2.1 inside the precast column 2, compared with ordinary reinforced concrete columns, it can improve the overall structural stability and load-bearing capacity of the column, reduce construction difficulty, and improve the overall construction efficiency. The column steel 2.1 is welded with the extended web plate 1.1, and the connecting stirrups 3.41 of the sandwich insulated wall 3 are connected to the extended web plate 1.1 through steel plates and bolt and nut group 1.3. Then, concrete is poured to form the cast-in-place column 1. The assembly is carried out by welding, which is simple in connection structure, saves labor and time, and forms a stable whole. This makes the sandwich insulated wall 3 and the cast-in-place column 1 tightly connected, improves the air tightness problem, prevents air flow and heat loss, and makes the sandwich insulated wall 3 and the cast-in-place column 1 reliably connected, improving the load-bearing capacity and structural rigidity. It can effectively solve the problem of complex connection of steel-concrete joints, and improve the reliability and efficiency of construction.

[0024] Furthermore, it also includes a foundation beam 4, within which a pre-embedded short column 4.3 is provided. The pre-embedded short column 4.3 has a reserved anchor bolt 4.2. The lower part of the steel section 2.1 inside the column is provided with a column foot 4.1. The column foot 4.1 is connected to the pre-embedded short column 4.3 through the anchor bolt 4.2. The anchor bolt 4.2 is used to connect and fix the foundation beam 4 and the precast column 2, which facilitates construction.

[0025] Furthermore, the lower part of the column base 4.1 is also provided with a shear key 4.4, and the pre-embedded short column 4.3 is provided with a shear groove that is compatible with the shear key 4.4, which enhances the shear resistance of the precast column 2 and improves the overall seismic performance of the structure.

[0026] Furthermore, the sandwich insulated wall 3 is also provided with diagonal tie bars 3.5, vertical longitudinal bars 3.6 and hidden beam stirrups 3.7. The two ends of the diagonal tie bars 3.5 are inserted into the gaps reserved in the inner leaf wall 3.1 and the outer leaf wall 3.2 respectively, and are filled with foaming agent. The hidden beam stirrups 3.7 are wrapped around the outside of the U-shaped ring bars 3.4. The vertical longitudinal bars 3.6 are tied and lapped with the U-shaped ring bars 3.4 to increase the overall structural strength of the sandwich insulated wall 3.

[0027] In addition, the extended web 1.1 is welded with flanges 1.2 perpendicular to it, which reduces the number of on-site formwork steps and improves construction efficiency.

[0028] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and are intended to include all changes that fall within the meaning and scope of equivalents in the content of this utility model.

Claims

1. A connection structure between prefabricated steel-concrete bungalow columns and walls, characterized in that: The system includes precast columns (2) and sandwich insulated walls (3); the precast columns (2) include internal steel sections (2.1), the column body of which is surrounded by multiple stirrups (2.2) and longitudinal bars (2.3), and the internal steel sections (2.1) are welded with protruding webs (1.1) that protrude from the precast columns (2); the sandwich insulated walls (3) include inner leaf walls (3.1), outer leaf walls (3.2), insulation boards (3.3), and U-shaped ring bars (3.4), which pass through the inner leaf walls (3.1) and the outer leaf walls (3.4). Leaf wall (3.2), U-shaped ring reinforcement (3.4) protrudes from the sandwich insulation wall (3) and forms connecting stirrup (3.41). The connecting stirrup (3.41) is aligned with the extended web (1.1). A steel plate is placed inside the connecting stirrup (3.41). A steel plate is also provided on one side of the extended web (1.1). The two steel plates are connected by a bolt and nut assembly (1.3). An embedded longitudinal reinforcement (1.4) is also provided inside the connecting stirrup (3.41). After the connecting stirrup (3.41) is connected to the extended web (1.1), it is poured to form a cast-in-place column (1).

2. The connection structure between the prefabricated steel-concrete bungalow column and the wall according to claim 1, characterized in that: It also includes a foundation beam (4), which has a pre-embedded short column (4.3) inside. The pre-embedded short column (4.3) has a reserved anchor bolt (4.2). The column has a column foot (4.1) at the bottom of the steel section (2.1) inside the column. The column foot (4.1) is connected to the pre-embedded short column (4.3) through the anchor bolt (4.2).

3. The connection structure between the prefabricated steel-concrete bungalow column and the wall according to claim 2, characterized in that: The column base (4.1) is also provided with a shear key (4.4) at the bottom, and the pre-embedded short column (4.3) is provided with a shear groove that is compatible with the shear key (4.4).

4. The connection structure between the prefabricated steel-concrete bungalow column and the wall according to claim 1, characterized in that: The sandwich insulated wall (3) is also provided with diagonal tie bars (3.5), vertical longitudinal bars (3.6) and hidden beam stirrups (3.7). The two ends of the diagonal tie bars (3.5) are inserted into the gaps reserved in the inner leaf wall (3.1) and the outer leaf wall (3.2) respectively, and are filled with foaming agent. The hidden beam stirrups (3.7) are wrapped around the outside of the U-shaped ring bars (3.4), and the vertical longitudinal bars (3.6) are tied and lapped with the U-shaped ring bars (3.4).

5. The connection structure between the prefabricated steel-concrete bungalow column and the wall according to claim 1, characterized in that: The extended web (1.1) is welded with a flange (1.2) perpendicular to it.

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