CN209603378U - A Multi-Cavity Rectangular Steel Tube Concrete Special-shaped Column Structure - Google Patents

Abstract

The utility model discloses a multi-cavity rectangular steel pipe concrete special-shaped column structure, which comprises an assembled special-shaped column and an H-shaped steel beam. The assembled special-shaped column includes an upper column and a lower column, and the lower end of the upper column is provided with a protrusion , The upper end of the lower column is provided with a concave part, the protruding part is plugged into the concave part, the upper column and the lower column are plugged together, and the connection between the upper column and the lower column is welded. The junction of the upper column and the lower column is fixedly connected with a gusset plate by bolts, and the gusset plate is welded to the outer walls of the upper column and the lower column. The H-shaped steel beam includes a beam body, and an end plate is arranged at the end of the beam body. After the upper column body and the lower column body are connected, the end plate is connected to the edge of the joint of the upper column body and the lower column body by bolts. The structure uses economical amount of steel, simple component fabrication, convenient and quick construction, which is beneficial to reduce environmental pollution and improve living environment. The multi-cavity rectangular concrete-filled steel tube special-shaped columns are flexibly arranged to meet the division requirements of different periods and different groups of people for the interior space of the building.

Description

A Multi-Cavity Rectangular Steel Tube Concrete Special-shaped Column Structure

technical field

The utility model relates to the field of steel pipe concrete special-shaped columns, in particular to a multi-cavity rectangular steel pipe concrete special-shaped column structure.

Background technique

The steel structure building system is an industrialized green building product, which is in line with the current good policy situation of the country. The large-scale promotion of the steel structure building system is conducive to the long-term sustainable development of the country. In the current domestic steel structure building system, the structural system is still trapped in the conventional steel support-frame system, steel frame-concrete core tube system, steel frame-steel plate shear wall system, etc. There are structural steel structures in the above-mentioned existing steel structure systems. Large quantity, high production cost, etc.; the internal and external wall systems include aerated concrete blocks, grouted walls, and strip walls. In terms of cost, the current steel structure building system is generally higher than the concrete structure, which has become an obstacle to the large-scale promotion of steel structure building systems, especially steel structure houses. In addition, the construction method of the concrete structure requires a lot of wooden formwork, causing damage to forest resources and polluting the environment. A large number of steel bars need to be bound manually, which increases the construction cost and the construction period.

The multi-cavity rectangular concrete-filled steel tube special-shaped column structure system is a new type of steel and concrete composite structure. The multi-cavity rectangular concrete-filled steel tube special-shaped column can be arranged flexibly, which can realize a large indoor space and meet the division requirements of building interior space for different periods and different groups of people; It replaces some internal and external columns and partition columns, saving materials and reducing construction costs; the thickness of indoor columns is smaller than that of beams, and there are no problems affecting indoor space such as exposed beams and exposed columns. The advantages of light weight and high strength of steel and high rigidity of concrete are better utilized, and the disadvantages of poor stability of steel components, brittleness of concrete and rapid stiffness degradation are avoided. The prefabricated multi-cavity rectangular concrete-filled steel tube special-shaped column is produced by an industrial production line, and the whole process can be operated by robots to improve construction efficiency and increase construction benefits.

The multi-cavity rectangular steel pipe concrete special-shaped column structure system is a concrete special-shaped column structure formed by pouring concrete into the multi-cavity rectangular steel pipe special-shaped column. Specifically, it pours concrete into a multi-cavity steel pipe welded by thin-walled square steel pipes and channel steel components. The multi-cavity rectangular concrete-filled steel tube special-shaped column has a high vertical bearing capacity and mainly bears vertical loads; the concrete core has a large lateral stiffness and can effectively prevent earthquakes. The multi-cavity rectangular steel pipes bear the load together with the core concrete, while the multi-cavity rectangular steel pipes provide restraint for the core concrete.

At present, multi-cavity rectangular concrete-filled steel pipe special-shaped columns have been applied in some practical projects. The prefabricated multi-cavity rectangular concrete-filled steel pipe special-shaped column members do not use steel bars, and the concrete is directly poured into the steel pipe cavity, and no formwork is required, so the construction speed is fast.

Utility model content

Aiming at the shortcomings of large steel consumption, complex fabrication and poor economic performance in the existing steel structure building system, the utility model provides a multi-cavity rectangular steel tube concrete special-shaped column structure, which is economical in steel consumption, simple in component fabrication and convenient in construction Fast and convenient for industrialized production.

The utility model adopts the following technical solutions:

A multi-cavity rectangular concrete-filled steel tube special-shaped column structure, including an assembled special-shaped column and an H-shaped steel beam, the assembled special-shaped column includes an upper column and a lower column, the lower end of the upper column is provided with a protrusion, and the lower end of the lower column The upper end is provided with a concave part, the protruding part is plugged into the concave part, the upper column and the lower column are plugged together, and the connection between the upper column and the lower column is welded;

The outer wall of the connection between the upper column and the lower column is connected with a gusset plate, and the gusset plate is welded to the outer walls of the upper column and the lower column;

The H-shaped steel beam includes a beam body, and an end plate is arranged at the end of the beam body. After the upper column body and the lower column body are connected, the end plate is connected to the edge of the joint of the upper column body and the lower column body by bolts.

Preferably, when the prefabricated special-shaped column is in the shape of a cross, the protruding part is arranged at the middle of the lower end of the upper column, the protruding part is a cross-shaped structure, the concave part is arranged in the middle of the upper end of the lower column, and there are convex parts around the concave part. The raised side column, the protruding part is plugged behind the concave part, and the side column surrounds the concave part;

The gusset plate is an L-shaped gusset plate, and the L-shaped gusset plate is fixedly connected to the outer corner of the connection between the upper column and the lower column;

After the upper column and the lower column are butted, there are four sides at the junction of the upper column and the lower column, and the four sides are connected to the end plate of an H-shaped steel beam through bolts, and the bolts are arranged in layers .

Preferably, when the assembled special-shaped column is T-shaped, the protruding part is a plurality of protruding columns, the concave part is a plurality of concave grooves, the two sides of the concave groove are raised side columns, and the protruding columns are inserted into the concave grooves After that, the protruding column is located between the side columns;

The gusset plate includes an L-shaped gusset plate and an elongated gusset plate, and the L-shaped gusset plate is fixedly connected to the outer corner of the connection between the upper column and the lower column;

The plane position where the elongated gusset plate is fixedly connected to the junction of the upper column and the lower column;

After the upper column and the lower column are butted, there are three sides at the joint of the upper column and the lower column, and the three sides are all connected to the end plate of an H-shaped steel beam by bolts, and the bolts are arranged in layers.

Preferably, when the assembled special-shaped column is L-shaped, the protruding part is a plurality of protruding columns, the concave part is a plurality of concave grooves, the two sides of the concave groove are raised side columns, and the protruding columns are inserted into the concave grooves After that, the protruding column is located between the side columns;

The gusset plate is an L-shaped gusset plate, and the L-shaped gusset plate is fixedly connected to the outer corner of the connection between the upper column and the lower column;

After the upper column and the lower column are butted, there are two sides at the junction of the upper column and the lower column, and the two sides are connected to the end plate of an H-shaped steel beam through bolts, and the bolts are arranged in layers .

Preferably, the prefabricated special-shaped column is welded by square steel pipe and channel-shaped steel, and the side wall of the channel-shaped steel has holes.

The beneficial effect that the utility model has is

1. The main components are prefabricated in the factory, and the bolts are assembled on the construction site, which effectively guarantees the construction quality. When pouring concrete in multi-cavity rectangular steel pipe special-shaped columns on site, there is no need to support formwork, and the three-no standard of "no water, no fire, and no dust" for on-site construction is realized, and the occurrence of fire and other hazardous accidents is reduced.

2. This structure is a subversion of the traditional steel structure residential buildings, and it truly realizes the factoryization, modularization, assembly and standardization of steel structure residential buildings, and gives full play to the advantages of steel structure residential buildings. Convert traditional construction site migrant workers into industrial workers, save a lot of labor, reduce labor intensity, improve production efficiency, speed up construction, improve project quality, and prolong the service life of buildings.

3. Give full play to the performance advantages of steel and concrete, and save building materials; the structure has light weight, good seismic performance, and can greatly reduce earthquake damage; no need to use wood, steel can be recycled, reduce construction waste, reduce environmental pollution, green environmental protection, and society Good economic benefits.

4. The multi-cavity rectangular concrete-filled steel tube special-shaped column is flexible in layout, which can realize large indoor space and meet the division requirements of building interior space for different periods and different groups of people; it replaces some internal and external columns and partition columns, saving materials and reducing construction costs; indoor columns The thickness is less than that of the beams, and there is no problem of exposed beams and columns affecting the interior space.

Description of drawings

Figure 1 is a schematic diagram of the assembled multi-cavity rectangular concrete-filled steel tube special-shaped column structure.

Fig. 2 is a schematic diagram when the prefabricated special-shaped column is in the shape of a cross.

Fig. 3 is a schematic diagram when the prefabricated special-shaped column is T-shaped.

Fig. 4 is a schematic diagram when the prefabricated special-shaped column is L-shaped.

Fig. 5 is a top view after assembly when the prefabricated special-shaped column is cross-shaped.

Fig. 6 is a top view after assembly when the prefabricated special-shaped column is T-shaped.

Fig. 7 is a top view after assembly when the assembled special-shaped column is L-shaped.

Fig. 8 is an exploded view of the assembly structure when the assembled special-shaped column is cross-shaped.

Fig. 9 is a schematic diagram of a channel steel.

Figure 10 is a structural diagram of the truss type support between assembled special-shaped columns.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is specifically described:

1 to 10 , a multi-cavity rectangular concrete-filled special-shaped column structure includes fabricated special-shaped columns 1 and H-shaped steel beams 2 .

The prefabricated special-shaped column 1 is welded by square steel pipe and channel steel, and concrete is poured into the prefabricated special-shaped column to form a multi-cavity rectangular steel tube concrete special-shaped column.

The assembled special-shaped column includes an upper column 3 and a lower column 4, the lower end of the upper column 3 is provided with a protrusion 5, and the upper end of the lower column is provided with a depression 6, and the protrusion 5 is inserted into the depression 6 , the upper column 3 and the lower column 4 are plugged together, and after plugging, the connection between the upper column and the lower column is welded. This method can effectively increase the welding length of the weld and ensure the structural strength of the assembled special-shaped column.

The outer wall of the connection between the upper column and the lower column is connected with a gusset plate 7, and the gusset plate is welded to the outer walls of the upper column and the lower column, and the gusset plate plays a role of reinforcement.

The H-shaped steel beam includes a beam body 8, and the end of the beam body is provided with an end plate 9. After the upper column and the lower column are connected, the end plate 9 is connected to the edge of the connection between the upper column and the lower column by bolts 19. Section 10.

Example 1

As shown in Figure 2, Figure 5 and Figure 8, when the assembled special-shaped column 1 is cross-shaped, the protrusion 5 is arranged in the middle of the lower end of the upper column, the protrusion is a cross-shaped structure, and the depression 6 is arranged on the lower column In the middle part of the upper end of the body, there are raised side posts 11 around the recessed part. After the protruding part is inserted into the recessed part, the side posts surround the recessed part.

The gusset plate is an L-shaped gusset plate 12, and the L-shaped gusset plate is fixedly connected to the outer corner of the connection between the upper column and the lower column.

After the upper column and the lower column are butted, there are four sides 10 at the connection between the upper column and the lower column, and the four sides are all connected to the end plate 9 of an H-shaped steel beam through bolts 19, and the two directions Bolts are arranged in layers.

Example 2

As shown in Figure 3 and Figure 6, when the assembled special-shaped column is T-shaped, the protruding part is a plurality of protruding columns 13, the concave part is a plurality of concave grooves 14, and the two sides of the concave groove are raised side columns 15. After the protruding column is inserted into the concave groove, the protruding column is located between the side columns.

The gusset plate includes an L-shaped gusset plate 12 and an elongated gusset plate 16. The L-shaped gusset plate is fixedly connected to the outer corner of the connection between the upper column and the lower column; the elongated gusset plate is fixedly connected to the upper column and the lower column. The planar location of the junction of the cylinder.

After the upper column and the lower column are docked, there are three side portions 10 at the connection between the upper column body and the lower column body, and the three side portions are all connected to the end plate of an H-shaped steel beam through bolts 19, and the two directions The bolts are arranged in layers.

Example 3

As shown in Figure 4 and Figure 7, when the assembled special-shaped column is L-shaped, the protruding part is a plurality of protruding columns 13, the concave part is a plurality of concave grooves 14, and the two sides of the concave groove are raised side columns 15. After the protruding column is inserted into the concave groove, the protruding column is located between the side columns.

The gusset plate is an L-shaped gusset plate, and the L-shaped gusset plate is fixedly connected to the outer corner of the connection between the upper column and the lower column.

After the upper column and the lower column are docked, there are two side parts 10 at the junction of the upper column and the lower column, and the two side parts are connected to the end plate of an H-shaped steel beam through bolts 19, and the The bolts are arranged in layers.

Welding grooves are provided at the welding places of the square steel pipe and the channel steel forming the assembled special-shaped column 1 to improve the welding quality.

As shown in Fig. 9, the side wall of the channel-shaped steel has a hole 17, which can connect the concrete in each cavity and improve the overall stability of the special-shaped column member.

As shown in Figure 10, truss-type supports 18 can be arranged between the prefabricated special-shaped columns.

Of course, the above description is not a limitation of the present utility model, and the present utility model is not limited to the above-mentioned examples, and changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the present utility model are also acceptable. Should belong to the protection scope of the utility model.

Claims (5)

1. a kind of multi-cavity concrete-filled rectangular steel tube special-shaped column structure, which is characterized in that including assembled Special-Shaped Column and H-shaped girder steel, Assembled Special-Shaped Column includes column body and lower prop, and the lower end of column body is provided with protrusion, and the upper end of lower prop is provided with recessed Concave portion, protrusion are plugged in recessed portion, and column body and lower prop are plugged in together, the junction weldering of column body and lower prop It connects；

The outer wall of the junction of column body and lower prop is connected with gusset plate, gusset plate and column body and the outer wall of lower prop welds It connects；

The H-shaped girder steel includes beam body, and the end of beam body is provided with end plate, and after column body is connected with lower prop, end plate passes through spiral shell Bolt is connected to the edge of the junction of column body and lower prop.

2. a kind of multi-cavity concrete-filled rectangular steel tube special-shaped column structure according to claim 1, which is characterized in that work as assembled When Special-Shaped Column is cross, protrusion is arranged in the middle part of the lower end of column body, and protrusion is cross-shaped structure, and recessed portion setting exists The upper center of lower prop, in the side column that the surrounding of recessed portion is protrusion, after protrusion is plugged on recessed portion, side column is by recessed portion It surrounds；

The gusset plate is L shape gusset plate, and L shape gusset plate is fixedly connected on the outer turning position of the junction of column body and lower prop It sets；

After column body and lower prop docking, the junction of column body and lower prop there are four edge, four edge with a H-shaped The end plate of girder steel is bolted, the bolt layered arrangement.

3. a kind of multi-cavity concrete-filled rectangular steel tube special-shaped column structure according to claim 1, which is characterized in that work as assembled When Special-Shaped Column is T shape, protrusion is multiple protrusion posts, and recessed portion is multiple recessed grooves, and the two sides of recessed groove are the side column of protrusion, After protrusion post is inserted into recessed groove, protrusion post is between side column；

The gusset plate includes L shape gusset plate and elongated gusset plate, and L-shaped gusset plate is fixedly connected on column body and lower prop The outer corner location of junction；

Elongated gusset plate is fixedly connected on the plan-position of the junction of column body and lower prop；

After column body and lower prop docking, the junction of column body and lower prop there are three edge, three edge with a H-shaped The end plate of girder steel is bolted, the bolt layered arrangement.

4. a kind of multi-cavity concrete-filled rectangular steel tube special-shaped column structure according to claim 1, which is characterized in that work as assembled When Special-Shaped Column is L shape, protrusion is multiple protrusion posts, and recessed portion is multiple recessed grooves, and the two sides of recessed groove are the side column of protrusion, After protrusion post is inserted into recessed groove, protrusion post is between side column；

The gusset plate is L shape gusset plate, and L-shaped gusset plate is fixedly connected on the outer turning of the junction of column body and lower prop Position；

After column body and lower prop docking, the junction of column body and lower prop there are two edge, two edge with a H-shaped The end plate of girder steel is bolted, the bolt layered arrangement.

5. a kind of multi-cavity concrete-filled rectangular steel tube special-shaped column structure according to claim 1, which is characterized in that the assembly Formula Special-Shaped Column is welded by square steel tube and U-steel, and the side wall of U-steel is provided with hole.