阅读说明：本技术 一种装配式复合梁及其制作方法 (Assembled composite beam and manufacturing method thereof ) 是由 高山 周林强 王裕琳 于 2021-07-08 设计创作，主要内容包括：一种装配式复合梁及其制作方法,其中包括钢槽,钢槽内从下至上依次设置有与钢槽尺寸相适配的轻质构件、异形U型钢及钢筋混凝土梁；通过在工厂预制各构件,在施工现场进行装配,内部设置的轻质构件减轻梁的自重,同时利用钢-混结构保证构件的结构强度,承载力好,通过部件之间的连接增强了梁的整体性,施工质量易于保证；本发明具有钢混用量合理、自重轻、装配便捷、承载力好的优点。(An assembled composite beam and a manufacturing method thereof, wherein the assembled composite beam comprises a steel groove, and a light component, special-shaped U-shaped steel and a reinforced concrete beam which are matched with the steel groove in size are sequentially arranged in the steel groove from bottom to top; the components are prefabricated in a factory and assembled on a construction site, the self weight of the beam is reduced by the light components arranged inside, meanwhile, the structural strength of the components is ensured by using a steel-concrete structure, the bearing capacity is good, the integrity of the beam is enhanced through the connection among the components, and the construction quality is easy to ensure; the invention has the advantages of reasonable steel-concrete consumption, light dead weight, convenient assembly and good bearing capacity.)

1. The utility model provides an assembled composite beam, includes steel bay 1, its characterized in that: the steel groove 1 is internally provided with a light component (2) matched with the steel groove (1) in size, special-shaped U-shaped steel (3) and a reinforced concrete beam (5) from bottom to top in sequence.

2. The fabricated composite beam of claim 1, wherein: the light component (2), the special-shaped U-shaped steel (3) and the reinforced concrete beam (5) are connected through the pile nails (4), the lower ends (4-1) of the pile nails are inserted into a first pile nail hole (3-1) reserved in the special-shaped U-shaped steel (3) and a second pile nail hole (2-1) reserved in the light component (2) and form a consolidation effect with the light component (2), and the upper ends (4-3) of the pile nails are inserted into a third pile nail hole (5-1) reserved at the bottom of the reinforced concrete beam (5).

3. The fabricated composite beam of claim 1, wherein: the side plates in the length direction of the steel groove (1) are lower than the side plates at the two ends of the steel groove (1).

4. The fabricated composite beam of claim 1, wherein: the tail ends of the two sides of the special-shaped U-shaped steel (3) are mutually overlapped with the side plates in the length direction of the steel groove (1), and the overlapping surfaces are welded and fixed.

5. The fabricated composite beam of claim 1, wherein: and two ends of the reinforced concrete beam (5) are tightly attached to the inner sides of the side plates at two ends of the steel groove (1).

6. A fabricated composite beam according to claim 2, wherein: and an outer disc (4-2) is arranged on the periphery of the dowel pin (4) and above the special-shaped U-shaped steel (3).

7. A fabricated composite beam according to claim 2 or 6, wherein: the outer diameter of an outer disc (4-2) of the pile nail (4) is larger than the diameter of a first pile nail hole (3-1) reserved in the special-shaped U-shaped steel (3).

8. A fabricated composite beam according to claim 2, wherein: the section shapes of the pile nails (4) are matched with the first pile nail hole (3-1), the second pile nail hole (2-1) and the third pile nail hole (5-1); the shape and size of the second pile nail hole (2-1) are matched with the part of the lower end (4-1) of the pile nail inserted into the special-shaped U-shaped steel (3), and the shape and size of the third pile nail hole (5-1) are matched with the part of the upper end (4-3) of the pile nail and the part of the outer disc (4-2) inserted into the bottom of the reinforced concrete beam (5).

9. The fabricated composite beam of claim 1, wherein: the light member (2) is made of GRC or other light building materials.

10. A manufacturing method of an assembly type composite beam is characterized in that: the method specifically comprises the following steps:

1) prefabricating the components in a factory: the pile comprises a steel groove (1), a light component (2), special-shaped U-shaped steel (3) and piles (4), wherein a second pile nail hole (2-1) and a first pile nail hole (3-1) are reserved on the top of the light component (2) and the special-shaped U-shaped steel (3) respectively;

2) prefabricating a reinforced concrete beam 5: pouring concrete in the mould according to the design, embedding a reinforcing mesh (5-2) at the same time of pouring, reserving a third pile nail hole (5-1) at the bottom of the reinforced concrete beam (5), and demoulding for later use after drying and forming;

3) placing the light component (2) in the bottom of the steel tank (1), then placing the special-shaped U-shaped steel (3) on the light component (2), overlapping the tail ends of the two sides of the special-shaped U-shaped steel (3) with the side plates in the length direction of the steel tank (1), and welding and fixing the overlapping surfaces;

4) the lower end (4-1) of the pile nail penetrates through a first pile nail hole (3-1) reserved in the special-shaped U-shaped steel (3) and is inserted into a second pile nail hole (2-1) of the light component (2), so that the lower end (4-1) of the pile nail and the light component (2) form a consolidation effect;

5) and (3) connecting and fixing a third pile nail hole (5-1) at the bottom of the reinforced concrete beam (5) prefabricated in the step 2) with the upper end (4-3) of the pile nail and the outer disc (4-2).

Technical Field

The invention belongs to the technical field of civil engineering structures, and particularly relates to an assembled composite beam and a manufacturing method thereof.

Background

China vigorously pushes the traditional building to be transformed into an industrialized building. Most of the work in the traditional building needs to be finished on a construction site, and the problems of long construction period, serious environmental pollution, large stacking field, shortage of constructors and the like become barriers for inhibiting the progress of the building industry.

In civil buildings, the existing mature assembly type building structure system mainly comprises a PC structure, a steel structure and a steel-concrete combined structure. The PC structure is widely applied, but has the problem of reliability of the vertical splicing node, so that the PC structure suffers from scaling, and the installation efficiency of the PC structure is influenced due to the self-weight of the PC structure. Although the steel structure has a reliable node structure and the construction quality is easy to guarantee, the structure has the problems of poor sound insulation and heat preservation, low rigidity, poor comfort, additional fireproof and anticorrosion treatment and the like, and the problems are difficult to overcome in residential buildings. The steel-concrete combined structure has the advantages of the two structures, but the problems of large steel consumption, large concrete consumption and large structure dead weight still exist.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide an assembly type composite beam and a manufacturing method thereof, which can reduce the dead weight of a structure by using a light component, ensure the strength and the reliability of the structure by combining steel and concrete, are easy to industrially produce, are prefabricated in factories and assembled on site by using an assembly type structure, and have the advantages of simple structure, good bearing performance, convenience in installation, low cost and good practicability.

In order to achieve the purpose, the invention adopts the technical scheme that:

the assembled composite beam comprises a steel groove 1, wherein a light component 2 matched with the size of the steel groove 1, special-shaped U-shaped steel 3 and a reinforced concrete beam 5 are sequentially arranged in the steel groove 1 from bottom to top.

The light component 2, the special-shaped U-shaped steel 3 and the reinforced concrete beam 5 are connected through the pile nails 4, the lower ends 4-1 of the pile nails are inserted into the first pile nail holes 3-1 reserved in the special-shaped U-shaped steel 3 to the second pile nail holes 2-1 reserved in the light component 2 and form a consolidation effect with the light component 2, and the upper ends 4-3 of the pile nails are inserted into the third pile nail holes 5-1 reserved at the bottom of the reinforced concrete beam 5.

The side plates in the length direction of the steel groove 1 are lower than the side plates at the two ends of the steel groove 1.

The tail ends of the two sides of the special-shaped U-shaped steel 3 are mutually lapped with the side plates in the length direction of the steel groove 1, and the lapping surfaces are welded and fixed.

And two ends of the reinforced concrete beam 5 are tightly attached to the inner sides of the side plates at two ends of the steel groove 1.

And an outer disc 4-2 is arranged on the periphery of the dowel pin 4 and above the special-shaped U-shaped steel 3.

The outer diameter of an outer disc 4-2 of the pile nail 4 is larger than the diameter of a first pile nail hole 3-1 reserved in the special-shaped U-shaped steel 3.

The section shapes of the pile nails 4 are matched with the first pile nail hole 3-1, the second pile nail hole 2-1 and the third pile nail hole 5-1; the shape and size of the second pile nail hole 2-1 are matched with the part of the lower end 4-1 of the pile nail inserted into the special-shaped U-shaped steel 2, and the shape and size of the third pile nail hole 5-1 are matched with the part of the upper end 4-3 of the pile nail and the part of the outer disc 4-2 inserted into the bottom of the reinforced concrete beam 5.

The light member 2 is made of GRC or other light building materials.

A manufacturing method of an assembly type composite beam specifically comprises the following steps:

1) prefabricating the components in a factory: the pile comprises a steel groove 1, a light component 2, special-shaped U-shaped steel 3 and pile nails 4, wherein a second pile nail hole 2-1 and a first pile nail hole 3-1 are reserved on the top of the light component 2 and the special-shaped U-shaped steel 3 respectively;

2) prefabricating a reinforced concrete beam 5: pouring concrete in the mould according to the design, embedding a reinforcing mesh 5-2 at the same time of pouring, reserving a third pile nail hole 5-1 at the bottom of the reinforced concrete beam 5, and demoulding for later use after drying and forming;

3) placing a light component 2 in the bottom of a steel tank 1, then placing a special-shaped U-shaped steel 3 on the light component 2, overlapping the tail ends of two sides of the special-shaped U-shaped steel 3 with side plates in the length direction of the steel tank 1, and welding and fixing the overlapping surfaces;

4) the lower end 4-1 of the pile nail penetrates through a first pile nail hole 3-1 reserved in the special-shaped U-shaped steel 3 and is inserted into a second pile nail hole 2-1 of the light component 2, so that the lower end 4-1 of the pile nail and the light component 2 form a consolidation effect;

5) and (3) connecting and fixing a third pile nail hole 5-1 at the bottom of the reinforced concrete beam 5 prefabricated in the step 2) with an upper end 4-3 of a pile nail and an outer disc 4-2.

The invention has the beneficial effects that:

1. the components of the invention can be prefabricated in factories, and can be assembled on a construction site, so that the construction period is short, and the installation efficiency is high.

2. The steel-concrete structure can ensure the structural strength of the member, has good bearing capacity, is assembled through reliable structure and is easy to ensure the construction quality.

3. The internal lightweight member 2 greatly reduces the self weight of the beam, and the connection between the components enhances the integrity of the beam.

The invention has the advantages of reasonable steel-concrete consumption, light dead weight, convenient assembly and good bearing capacity.

Drawings

Fig. 1 is a schematic structural view of a steel bath 1 according to the present invention.

Fig. 2 is a schematic structural view of the lightweight member 2 of the present invention.

FIG. 3 is a schematic structural view of the special-shaped U-shaped steel 3 of the present invention.

Fig. 4 is a schematic structural view of the peg 4 of the present invention.

Fig. 5 is a schematic structural view of the reinforced concrete beam 5 of the present invention.

Fig. 6 is an assembly view of the present invention.

FIG. 7 is a diagram illustrating the effects of the present invention.

In the figure: 1. a steel trough; 2. a lightweight member; 2-1, second pile nail holes; 3. special-shaped U-shaped steel; 3-1, a first pile nail hole; 4. pile nails; 4-1, the lower end of the dowel pin; 4-2, an outer disc; 4-3, the upper end of the dowel pin; 5. a reinforced concrete beam; 5-1, a third pile nail hole; 5-2, reinforcing mesh.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 6, the assembly type composite beam comprises a steel groove 1, wherein a light component 2, special-shaped U-shaped steel 3 and a reinforced concrete beam 5 which are matched with the steel groove 1 in size are sequentially arranged in the steel groove 1 from bottom to top.

Referring to fig. 2 to 5, the light member 2, the special-shaped U-shaped steel 3 and the reinforced concrete beam 5 are connected through a pile 4, a lower end 4-1 of the pile is inserted into a first pile hole 3-1 reserved in the special-shaped U-shaped steel 3 to a second pile hole 2-1 reserved in the light member 2, and forms a consolidation effect with the light member 2, and an upper end 4-3 of the pile is inserted into a third pile hole 5-1 reserved at the bottom of the reinforced concrete beam 5.

Referring to fig. 1, the side plates of the steel channel 1 in the length direction are lower than the side plates at the two ends of the steel channel 1.

Referring to fig. 7, the ends of the two sides of the special-shaped U-shaped steel 3 are overlapped with the side plates of the steel tank 1 in the length direction, and the overlapping surfaces are welded and fixed.

And two ends of the reinforced concrete beam 5 are tightly attached to the inner sides of the side plates at two ends of the steel groove 1.

Referring to fig. 4, an outer disc 4-2 is arranged on the periphery of the peg 4 and above the special-shaped U-shaped steel 3.

The outer diameter of an outer disc 4-2 of the pile nail 4 is larger than the diameter of a first pile nail hole 3-1 reserved in the special-shaped U-shaped steel 3.

The section shapes of the pile nails 4 are matched with the first pile nail hole 3-1, the second pile nail hole 2-1 and the third pile nail hole 5-1; the shape and size of the second pile nail hole 2-1 are matched with the part of the lower end 4-1 of the pile nail inserted into the special-shaped U-shaped steel 2, and the shape and size of the third pile nail hole 5-1 are matched with the part of the upper end 4-3 of the pile nail and the part of the outer disc 4-2 inserted into the bottom of the reinforced concrete beam 5.

The light member 2 is made of GRC or other light building materials.

A manufacturing method of an assembly type composite beam specifically comprises the following steps:

1) prefabricating the components in a factory: a steel groove 1, a light component 2, special-shaped U-shaped steel 3 and a pile nail 4, wherein a second pile nail hole 2-1 and a first pile nail hole 3-1 are reserved on the top of the light component 2 and the special-shaped U-shaped steel 3 respectively;

2) prefabricating a reinforced concrete beam 5: pouring concrete in the mould according to the design, embedding a reinforcing mesh 5-2 at the same time of pouring, reserving a third pile nail hole 5-1 at the bottom of the reinforced concrete beam 5, and demoulding for later use after drying and forming;

3) placing a light component 2 in the bottom of a steel tank 1, then placing a special-shaped U-shaped steel 3 on the light component 2, overlapping the tail ends of two sides of the special-shaped U-shaped steel 3 with side plates in the length direction of the steel tank 1, and welding and fixing the overlapping surfaces;

4) the lower end 4-1 of the pile nail penetrates through a first pile nail hole 3-1 reserved in the special-shaped U-shaped steel 3 and is inserted into a second pile nail hole 2-1 of the light component 2, so that the lower end 4-1 of the pile nail and the light component 2 form a consolidation effect;

5) and (3) connecting and fixing a third pile nail hole 5-1 at the bottom of the reinforced concrete beam 5 prefabricated in the step 2) with an upper end 4-3 of a pile nail and an outer disc 4-2.

The concrete strength grades comprise C30, C40 and C50, and the specifications of the mesh reinforcement 5-2 comprise phi 8, phi 10 and phi 12.