Fabricated building atrium roof structure and disassembly-free formwork erecting system thereof

Abstract

The utility model discloses a fabricated building atrium roof structure and a disassembly-free formwork system thereof, and the disassembly-free formwork system comprises four steel structure stiff columns which are distributed at the boundary of an atrium according to the hollow height of the atrium, a steel structure main beam is connected between the top ends of the two steel structure stiff columns which span the length or width of the atrium and are located on the same side, a plurality of steel structure secondary beams are evenly arranged perpendicular to the steel structure main beam, and the two ends of each steel structure secondary beam are connected to the assembled structure of the atrium on the side where the steel structure secondary beam is located respectively. The dismantling-free formwork erecting system can improve the construction quality and the construction efficiency of the atrium roof structure, shortens the construction period and is free of dismantling after construction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, especially relates to a prefabricated building atrium roof structure and its dismantling-free formwork system. BACKGROUND

[0002] In the prefabricated building with the atrium, a formwork system needs to be built in the atrium area when the atrium roof structure is constructed, so that the atrium roof structure is constructed, and after the construction, the formwork system is removed. In the existing prefabricated concrete construction technology, formwork is generally needed in the construction of the composite beam and the composite board. The stability of the formwork frame body can be ensured by setting vertical shear braces, horizontal shear braces, wall connecting pieces and other measures. When the height exceeds a certain height, for example, 27.9 m, the safety and stability of the formwork system cannot be guaranteed, there is a risk of overturning, and the safety and quality risks of the construction are significantly increased. SUMMARY

[0003] The utility model aims at providing a prefabricated building atrium roof structure and its dismantling-free formwork system to solve the problem of construction safety risk in the construction of the atrium roof structure by the formwork system using prefabricated components when the atrium area is larger than the predetermined height.

[0004] To solve the above technical problem, the utility model provides a technical scheme: a prefabricated building atrium roof structure, which comprises a dismantling-free formwork system arranged in the atrium area of the prefabricated building, a floor support plate constructed on the dismantling-free formwork system, and a cast-in-place structure plate constructed on the floor support plate.

[0005] Further, the utility model provides a prefabricated building atrium roof structure, wherein the dismantling-free formwork system comprises four steel structure stiff columns arranged at the boundary of the atrium according to the height of the atrium, one steel structure main beam connected between the top ends of two steel structure stiff columns located on the same side across the length or width of the atrium, and multiple steel structure secondary beams arranged uniformly perpendicularly to the steel structure main beam, and the two ends of each steel structure secondary beam are connected to the prefabricated structure of the atrium on the same side.

[0006] To solve the above technical problem, the utility model provides another technical scheme: a dismantling-free formwork system of a prefabricated building atrium roof structure, which comprises four steel structure stiff columns arranged at the boundary of the atrium according to the height of the atrium, one steel structure main beam connected between the top ends of two steel structure stiff columns located on the same side across the length or width of the atrium, and multiple steel structure secondary beams arranged uniformly perpendicularly to the steel structure main beam, and the two ends of each steel structure secondary beam are connected to the prefabricated structure of the atrium on the same side.

[0007] Further, the assembly type building atrium roof structure's dismantling-free formwork support system provided by the utility model, the connecting line of four steel structure stiff columns is isosceles trapezium, and two steel structure main beams are symmetrically distributed.

[0008] Further, the assembly type building atrium roof structure's dismantling-free formwork support system provided by the utility model, the connecting line of four steel structure stiff columns is isosceles trapezium, and two steel structure main beams are symmetrically distributed.

[0009] Further, the assembly type building atrium roof structure's dismantling-free formwork support system provided by the utility model, the connecting line of four steel structure stiff columns is isosceles trapezium, and two steel structure main beams are symmetrically distributed.

[0010] Further, the assembly type building atrium roof structure's dismantling-free formwork support system provided by the utility model, the steel structure stiff column is a steel reinforced concrete column.

[0011] Compared with the prior art, the utility model has the advantages as follows:

[0012] The assembly type building atrium roof structure and the dismantling-free formwork support system thereof provided by the utility model support the floor support plate through the dismantling-free formwork support system composed of four steel structure stiff columns, two steel structure main beams and a plurality of steel structure secondary beams, do not need to support the floor support plate in the atrium area according to the atrium overhanging height to erect the formwork support system, form the mixed atrium roof structure composed of the steel structure dismantling-free formwork support system and the floor support plate assembly component on the floor support plate by constructing the cast-in-place structure plate, do not need to remove the dismantling-free formwork support system after the atrium roof structure construction is completed, improve the construction efficiency of the atrium roof structure, shorten the construction period of the atrium roof structure and improve the construction quality of the atrium roof structure compared with the traditional scaffoldings and other formwork support systems erected and removed in the atrium area. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the elevation structure schematic view of the assembly type building and the atrium area thereof;

[0014] Figure 2 It is the plane structure schematic view of the assembly type building and the atrium area thereof;

[0015] Figure 3 It is the plane structure schematic view of the construction dismantling-free formwork support system in the atrium area;

[0016] Figure 4 It is the plane arrangement relationship diagram of the dismantling-free formwork support system;

[0017] Figure 5 It is the plane structure schematic view of the arrangement relationship of the steel structure stiff column and the corbel thereon;

[0018] Figure 6 Fig. 1 is a schematic diagram of a planar structure of a floor deck constructed on a removable formwork system;

[0019] Figure 7 Fig. 2 is a schematic diagram of an elevation structure of a courtyard roof structure in fabricated building;

[0020] Fig. 1 is a schematic diagram of a planar structure of a floor deck constructed on a removable formwork system;

[0021] 100, a courtyard roof structure in fabricated building;

[0022] 110, a removable formwork system, 111, a steel structure stiff column, 112, a steel structure main beam, 113, a steel structure secondary beam, 114, a corbel;

[0023] 120, a floor deck;

[0024] 130, a cast-in-place structure slab;

[0025] 200, a courtyard. DETAILED DESCRIPTION

[0026] The utility model will be described in detail below in combination with the drawings: the advantages and characteristics of the utility model will be more clear according to the following description.It should be noted that the drawings all adopt very simplified form and all use non-precise proportion, only to facilitate, clear and assist the purpose of explaining the embodiment of the utility model.

[0027] Please refer to Figures 3 to 7 , the removable formwork system 110 of the courtyard roof structure 100 in fabricated building provided by the embodiment of the utility model includes four steel structure stiff columns 111 arranged at the boundary of the courtyard 200 according to the height of the courtyard 200, a steel structure main beam 112 connected between the top ends of two steel structure stiff columns 111 located on the same side across the length or width of the courtyard 200, and a plurality of steel structure secondary beams 113 arranged uniformly and perpendicularly to the steel structure main beam 112, wherein the two ends of each steel structure secondary beam 113 are connected to the fabricated structure of the courtyard on the same side. In order to improve the vertical bearing capacity of the four steel structure stiff columns 111, the steel structure stiff column 111 can be a steel reinforced concrete column, and the fabricated structure of the courtyard refers to the wall column in the fabricated component of the courtyard.

[0028] Please refer to Figures 1 to 3 , Figures 6 to 7 The embodiment of the utility model provides a courtyard roof structure 100 in fabricated building, which comprises the above-mentioned removable formwork system 110 arranged in the area of the courtyard 200 in fabricated building, a floor deck 120 constructed on the removable formwork system 110, and a cast-in-place structure slab 130 constructed on the floor deck 120.

[0029] The assembly type building atrium roof structure 100 and the non-dismantling formwork system 110 provided by the embodiment of the utility model, through the non-dismantling formwork system 110 formed by four steel structure stiff columns 111, two steel structure main beams 112 and a plurality of steel structure secondary beams 113, the floor support plate 120 is supported, the floor support plate 120 is supported by erecting a formwork system according to the atrium overhanging height in the atrium 200 area, the cast-in-place structure plate 130 is constructed on the floor support plate 120, the mixed atrium roof structure formed by the steel structure non-dismantling formwork system 110 and the floor support plate 120 assembly component, after the atrium roof structure construction is completed, the non-dismantling formwork system 110 does not need to be dismantled, compared with the traditional scaffold and other formwork systems erected and dismantled in the atrium area, the construction efficiency of the atrium roof structure is improved, the construction period of the atrium roof structure is shortened, and the construction quality of the atrium roof structure is improved. The non-dismantling formwork system 110 overcomes the problems of inconvenient disassembly of the traditional atrium roof structure formwork system, and safety risks such as overturning.

[0030] Please refer to Figures 3 to 6 In order to improve the stability of the steel structure main beam 112 connected to the steel structure stiff column 111, the non-dismantling formwork system 110 of the assembly type building atrium roof structure 100 provided by the embodiment of the utility model is provided, the connecting line of the four steel structure stiff columns 111 is an isosceles trapezoid, and the two steel structure main beams 112 are symmetrically distributed. In order to improve the reliability of the steel structure main beam 112 connected to the steel structure stiff column 111, the steel structure main beam 112 and the steel structure stiff column 111 are connected through the corbel 114 arranged on the steel structure stiff column 111. The steel structure main beam 112 and the corbel 114 can be bolted. Of course, the connecting line of the four steel structure stiff columns 111 is not limited to the isosceles trapezoidal distribution, and can also be rectangular, at this time, the two steel structure main beams 112 are parallelly distributed.

[0031] The utility model is not limited to the above-mentioned specific embodiments, obviously, the above-mentioned described embodiment is a part of the embodiment of the utility model embodiment, but is not all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by the person skilled in the art belong to the scope protected by the utility model. The person skilled in the art can make other levels of modification and change to the utility model. Thus, if these modifications and changes of the utility model are within the scope of the claims of the utility model, the utility model also intends to include these changes and modifications.

Claims

1. A prefabricated building atrium roof structure, characterized by, The application relates to a non-dismantling formwork system arranged in a courtyard area of a fabricated building, a floor support plate constructed on the non-dismantling formwork system, and a cast-in-place structure plate constructed on the floor support plate, wherein the non-dismantling formwork system comprises four steel structure stiff columns arranged at the boundaries of the courtyard according to the height of the courtyard, a steel structure main beam connected between the top ends of two steel structure stiff columns located on the same side across the length or width of the courtyard, and a plurality of steel structure secondary beams arranged vertically and uniformly on the steel structure main beam, and the two ends of each steel structure secondary beam are connected to the fabricated structure of the courtyard on the same side.

2. A disassembly-free formwork system for a prefabricated building atrium roof structure, characterized by The application relates to a non-dismantling formwork system arranged in a courtyard area of a fabricated building, a floor support plate constructed on the non-dismantling formwork system, and a cast-in-place structure plate constructed on the floor support plate, wherein the non-dismantling formwork system comprises four steel structure stiff columns arranged at the boundaries of the courtyard according to the height of the courtyard, a steel structure main beam connected between the top ends of two steel structure stiff columns located on the same side across the length or width of the courtyard, and a plurality of steel structure secondary beams arranged vertically and uniformly on the steel structure main beam, and the two ends of each steel structure secondary beam are connected to the fabricated structure of the courtyard on the same side.

3. The disassembly-free formwork system of the prefabricated building atrium roof structure according to claim 2, characterized in that, The steel structure main beam is connected to the steel structure stiff column through a corbel.

4. The disassembly-free formwork system of the prefabricated building courtyard roof structure according to claim 2, characterized in that, The connecting line of the four steel structure stiff columns is an isosceles trapezoid, and the two steel structure main beams are symmetrically distributed.

5. The disassembly-free formwork system of the prefabricated building atrium roof structure according to claim 2, characterized in that, The connecting line of the four steel structure stiff columns is a rectangle, and the two steel structure main beams are parallelly distributed.

6. The disassembly-free formwork system of the prefabricated building atrium roof structure according to claim 2, characterized in that, The steel structure stiff column is a steel reinforced concrete column.

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