Fabricated concrete prefabricated part

Abstract

A fabricated concrete prefabricated part comprises a PEC open web girder, a PEC column and a connecting piece connected between the PEC open web girder and the PEC column, the PEC open web girder comprises an open web girder body and two connecting plates arranged at the end of the open web girder body and connected with the PEC column, and the connecting plates are bent outwards to form connecting parts connected with the PEC column; the connecting piece comprises a connecting bolt arranged on the PEC column and connected with the connecting part, and a connecting hole matched with the connecting bolt is formed in the connecting part; the structure of the concrete prefabricated part is limited, and the PEC open-web girder, the PEC column and the connecting piece are matched, so that rapid installation between the PEC open-web girder and the PEC column is achieved, and the installation mode is simple and convenient to implement; and the strength of the joint is high, and safe and reliable work of the concrete prefabricated part in the follow-up process is effectively guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of building engineering and combined structures, and in particular relates to an assembled concrete prefabricated component. Background Art

[0002] Prefabricated structure is the abbreviation of prefabricated concrete structure, which is a concrete structure formed by assembling and connecting prefabricated components as the main load-bearing components. Prefabricated reinforced concrete structure is one of the important directions of the development of my country's building structure. It is conducive to the development of my country's building industrialization, improving production efficiency and saving energy, developing green and environmentally friendly buildings, and is conducive to improving and ensuring the quality of construction projects.

[0003] The existing prefabricated concrete components must have steel bars exposed at the ends. When two adjacent components are connected, a steel bar connection sleeve is used to butt the steel bars of the two components, and then grouting is injected into the steel bar connection sleeve. The ends of the adjacent components are molded, stirrups are tied, concrete is poured, and then the concrete is cured and demolded. The process is complicated, the construction period is long, the efficiency is low, the quality is unstable, and the cost is high. In addition, the connection device of the prefabricated components has a complex structure and low tensile strength. It is easy to break after the prefabricated components are connected, and it is impossible to ensure that the prefabricated components can work safely and reliably after being connected. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide an assembled concrete prefabricated component.

[0005] The utility model adopts the following technical solutions:

[0006] A prefabricated concrete component includes a PEC hollow beam, a PEC column and a connector connected between the PEC hollow beam and the PEC column, wherein the PEC hollow beam includes a hollow beam body and two connecting plates arranged at the ends of the hollow beam body and connected to the PEC column, wherein the connecting plates are bent outward to form a connecting portion connected to the PEC column; the connecting member includes a connecting bolt arranged on the PEC column and connected to the connecting portion, and a connecting hole matched with the connecting bolt is formed on the connecting portion.

[0007] Preferably, the connecting plate further comprises a reinforcing block formed on the inner side thereof and connected to the PEC column, and the reinforcing block is opposite to the bending part of the connecting portion.

[0008] Preferably, the PEC hollow beam further comprises a reinforcement member spaced apart between the two connecting plates, the reinforcement member comprises a plurality of connecting ribs spaced apart between the two connecting plates, and a mounting plate connected to the connecting ribs is formed on the inner side of the connecting plate.

[0009] Preferably, the reinforcement member further includes reinforcement ribs transversely connected between the plurality of connecting ribs.

[0010] Preferably, the reinforcement members are provided in two groups, and the mounting plates are provided in two groups, which are respectively arranged opposite to the two reinforcement members.

[0011] Preferably, the PEC column comprises two face plates spaced opposite to each other, a splicing plate arranged between the two face plates, and two reinforcing members arranged on both sides of the splicing plate and connected between the two face plates.

[0012] Preferably, the reinforcement member includes a plurality of reinforcing steel bars arranged at intervals along the length direction of the panel and anti-cracking longitudinal bars connected between the plurality of reinforcing steel bars.

[0013] Preferably, the reinforcing steel bar comprises a main body section extending between the two panels and two connecting sections vertically arranged on both sides of the main body section and respectively connected to the opposite panels.

[0014] Preferably, the PEC hollow beam further comprises a concrete filling layer arranged between the two connecting plates.

[0015] From the above description of the utility model, it can be seen that compared with the prior art, the beneficial effects of the utility model are as follows: the application limits the structure of the precast concrete components, and has the cooperation of PEC hollow beams, PEC columns and connecting parts to achieve rapid installation between PEC hollow beams and PEC columns, and the installation method is simple and easy to implement; and the connection is high in strength, which effectively ensures the safe and reliable operation of the precast concrete components in the subsequent process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0017] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0018] In the figure, 1-PEC hollow beam, 2-PEC column, 3-connecting piece, 11-hollow beam body, 12-connecting plate, 121-connecting part, 122-reinforcement block, 123-mounting plate, 13-reinforcement piece, 131-reinforcement rib, 132-connecting rib, 14-concrete filling layer, 21-panel, 22-splicing plate, 23-reinforcement piece, 231-reinforced steel bar, 232-anti-cracking longitudinal rib, 233-main section, 234-connecting section, 31-connecting bolt, 32-connecting hole. DETAILED DESCRIPTION

[0019] The present invention is further described below through specific implementation methods.

[0020] An assembled prefabricated concrete component comprises a PEC hollow beam 1, a PEC column 2 and a connecting piece 3 connected between the PEC hollow beam 1 and the PEC column 2.

[0021] The PEC hollow beam 1 comprises a hollow beam body 11, two connecting plates 12 arranged at the ends of the hollow beam body 11 and connected to the PEC column 2, a reinforcing member 13 arranged between the two connecting plates 12, and a concrete filling layer 14 arranged between the two connecting plates 12. Specifically, the connecting plate 12 is bent outward to form a connecting portion 121 connected to the PEC column 2, and further comprises a reinforcing block 122 formed on the inner side thereof and connected to the PEC column 2. The reinforcing block 122 is opposite to the bending portion of the connecting portion 121 to ensure that the PEC hollow beam 1 is fixed to the PEC column 2. 2. The strength of the connection; the reinforcement 13 includes a plurality of connection ribs 131 arranged at intervals between the two connection plates 12 and a reinforcement rib 132 transversely connected between the plurality of connection ribs 131, and a mounting plate 123 connected to the connection rib 131 is formed on the inner side of the connection plate 12; further, two groups of reinforcements 13 are provided, and two groups of mounting plates 123 are provided, which are respectively arranged opposite to the two reinforcements 13. By arranging the reinforcement 13 between the two connection plates 12, the strength of the concrete filling layer is improved, thereby ensuring the overall strength of the PEC hollow beam 1.

[0022] The PEC column 2 includes two face panels 21 spaced opposite to each other, a splicing plate 22 arranged between the two face panels 21, and two reinforcing members 23 arranged on both sides of the splicing plate 22 and connected between the two face panels 21; specifically, the reinforcing member 23 includes a plurality of reinforcing steel bars 231 spaced apart along the length direction of the face panels 21 and anti-cracking longitudinal bars 232 connected between the plurality of reinforcing steel bars 231; further, the reinforcing steel bars 231 include a main body section 233 extending between the two face panels 21 and two connecting sections 234 vertically arranged on both sides of the main body section 233 and respectively connected to the opposite face panels 21, and the bonding strength between the face panels 21 and the connecting portion 121 is enhanced by the connecting section 234, so as to further improve the bonding strength at the connection between the PEC hollow beam 1 and the PEC column 2, and ensure the safe and reliable operation of the precast concrete components in the subsequent process.

[0023] The connecting member 3 includes a connecting bolt 31 which is arranged on the PEC column 2 and connected to the connecting portion 121 . Specifically, a connecting hole 32 which cooperates with the connecting bolt 31 is formed on the connecting portion 121 .

[0024] When preparing precast concrete components, the PEC hollow beam and the PEC column are first connected by connecting bolts and connecting holes, and then the concrete slurry is used to fill the space between the two connecting plates to ensure the strength of the connection between the PEC hollow beam and the PEC column.

[0025] The present application defines the structure of precast concrete components, and cooperates with PEC hollow beams, PEC columns and connectors to achieve rapid installation between PEC hollow beams and PEC columns, and the installation method is simple and easy to implement; and the connection is high in strength, effectively ensuring the safe and reliable operation of the precast concrete components in subsequent processes.

[0026] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of application of the present invention and the contents of the specification should still fall within the scope covered by the present invention.

Claims

1. An assembled concrete prefabricated component, characterized in that: It includes a PEC hollow beam, a PEC column and a connecting piece connected between the PEC hollow beam and the PEC column. The PEC hollow beam includes a hollow beam body and two connecting plates arranged at the ends of the hollow beam body and connected to the PEC column. The connecting plates are bent outward to form a connecting portion connected to the PEC column; the connecting piece includes a connecting bolt arranged on the PEC column and connected to the connecting portion, and a connecting hole matching the connecting bolt is formed on the connecting portion.

2. The prefabricated concrete component according to claim 1, characterized in that: The connecting plate further comprises a reinforcing block formed on the inner side thereof and connected to the PEC column, wherein the reinforcing block is opposite to the bending part of the connecting portion.

3. The prefabricated concrete component according to claim 1, characterized in that: The PEC hollow beam further comprises a reinforcing member spaced between two connecting plates, wherein the reinforcing member comprises a plurality of connecting ribs spaced between the two connecting plates, and a mounting plate connected to the connecting ribs is formed inside the connecting plates.

4. The prefabricated concrete component according to claim 3, characterized in that: The reinforcement member further comprises reinforcement ribs which are transversely connected between the plurality of connection ribs.

5. The prefabricated concrete component according to claim 3, characterized in that: The reinforcement members are provided in two groups, and the mounting plates are provided in two groups, which are respectively arranged opposite to the two reinforcement members.

6. The prefabricated concrete component according to claim 1, characterized in that: The PEC column comprises two face plates which are spaced apart and opposite to each other, a splicing plate arranged between the two face plates, and two reinforcing members which are arranged on both sides of the splicing plate and connected between the two face plates.

7. The prefabricated concrete component according to claim 6, characterized in that: The reinforcement member comprises a plurality of reinforcement steel bars arranged at intervals along the length direction of the panel and anti-cracking longitudinal bars connected between the plurality of reinforcement steel bars.

8. The prefabricated concrete component according to claim 7, characterized in that: The reinforcing steel bar comprises a main body section extending between two panels and two connecting sections vertically arranged on both sides of the main body section and respectively connected to the opposite panels.

9. The prefabricated concrete component according to claim 1, characterized in that: The PEC hollow beam further comprises a concrete filling layer arranged between two connecting plates.

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