CN213014786U

CN213014786U - Prefabricated bearing wall for modular building

Info

Publication number: CN213014786U
Application number: CN202020951358.3U
Authority: CN
Inventors: 张文元; 刘晨
Original assignee: Suzhou Zhongju Green Building Technology Co ltd
Current assignee: Suzhou Zhongju Green Building Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-04-20
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a prefabricated bearing wall body for modular building, in particular to the field of building devices, which comprises a steel frame, wherein bearing columns are arranged at two ends of the steel frame, and rock wool heat-insulating materials or light concrete are filled in the steel frame; and rock wool insulation material or lightweight concrete both sides are equipped with first building board and second building board, and the second building board inboard is equipped with the fire prevention function board. The utility model has the characteristics of the time limit for a project is short, the construction is simple, labour consumes for a short time, but also has better syllable-dividing, heat preservation, fire behavior.

Description

Prefabricated bearing wall for modular building

Technical Field

The utility model belongs to the building device field, concretely relates to a prefabricated bearing wall body for modularization building.

Background

The modular building is an assembling technology, and various houses are assembled by prefabricated modular components, such as walls, so that the modular building is simple and convenient to construct and flexible to assemble. The module components are prefabricated in a factory, so that the industrial production is organized conveniently, the work efficiency is improved, the material consumption is reduced, and the influence of seasons is small. The modular building has the characteristics of high construction speed, good earthquake resistance, large use area, light building dead weight, simple and convenient construction, flexible assembly, labor and material conservation, modular member design and the like, so the modular building has good application value in urban construction.

The bearing wall refers to a wall body supporting the weight of an upper floor, and the bearing safety of the whole building structure can be seriously influenced by the damage of the bearing wall. In our house, the weight of floors, furniture and other indoor items is transferred through the floors to the load-bearing walls, the underlying load-bearing walls or structural columns, and then to the foundation. The bearing wall constitutes the structural framework of the whole house, and is an important part for determining the safety of the whole house. Along with the popularization of modularized buildings in China in recent years, a lot of building projects adopt modularized construction technologies, but most of the building projects also adopt prefabricated reinforced concrete load-bearing walls, and the traditional reinforced concrete wall is heavy in weight, high in cost, long in construction period and high in labor consumption;

in view of the above, there is a need for a prefabricated load-bearing wall for a modular building, which has the characteristics of short construction period, simple construction and low labor consumption, and also has good sound insulation, heat preservation, fire prevention and other properties.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prefabricated bearing wall body for modularization building has that the time limit for a project is short, the construction is simple, the characteristics that labour consumes are little and still have better syllable-dividing, heat preservation, fire behavior.

The utility model provides a following technical scheme:

a prefabricated load-bearing wall body for a modular building comprises a steel frame, wherein load-bearing columns are arranged at two ends of the steel frame, and rock wool heat-insulating materials or light concrete are filled in the steel frame; a first building board and a second building board are arranged on two sides of the rock wool heat-insulating material or the lightweight concrete, and a fireproof function board is arranged on the outer side of the second building board; the first building board and the second building board are (including but not limited to) cement fiber board or gypsum board or calcium silicate board and the like; the fireproof function board is (including but not limited to) a glass magnesium flat board or a cement fiber board or a fiber reinforced silicate board and the like;

preferably, the steel frame comprises a top upper beam, a bottom lower beam, at least two bearing columns and a plurality of reinforcing columns; the top upper beam and the bottom lower beam are arranged in parallel from top to bottom, two ends of the top upper beam and the bottom lower beam are arranged between the top upper beam and the bottom lower beam through bearing column connection reinforcing columns, and two ends of the reinforcing columns are respectively connected with the side surfaces of the top upper beam and the bottom lower beam;

preferably, two ends of the bearing column are respectively provided with a bearing block for conducting the stress of the upper layer and the lower layer; a 45-60-degree groove is formed in one circle of the bearing column, the size of the bearing block is consistent with the cross section of the bearing column, single-side fusion welding is adopted, and the end face of the bearing block needs to be subjected to precision milling;

preferably, the lower side surface of the bottom lower beam is symmetrically provided with at least two stiffening plates, one end of each stiffening plate is connected with the bottom lower beam, and the other end of each stiffening plate is connected with the floor slab.

Preferably, the support structure further comprises two inclined struts, the end parts of the top upper beam and the middle part of the bottom channel steel are connected through the inclined struts, and an included angle of 20-60 degrees is formed between each inclined strut and the horizontal plane, so that the support can be guaranteed to be stable and firm;

preferably, the reinforcing column is welded with an embedded iron plate for hanging heavy objects.

The utility model has the advantages that:

the utility model has the advantages that the bearing wall mainly comprises steel frame and heat preservation rock wool layer or light concrete layer for the building, has that the time limit for a project is short, the construction is simple, the characteristics that the labour consumes are little and still have better syllable-dividing, heat preservation, fire behavior. The novel construction load mode of the square steel pipe with the two sides bearing large load can achieve the construction module engineering of more than 30 layers of prefabricated buildings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of section A-A in FIG. 1;

fig. 3 is a schematic structural view of a section B-B in fig. 1.

Reference numerals; 1. a first building board; 2. a rock wool heat-insulating layer; 3. a fireproof function board; 4. a second building board; 5. a steel frame; 6. an upper beam (made of profile steel, a steel square tube or a rectangular tube); 7. the bearing column (made of profile steel, a steel square tube or a rectangular tube); 8. a bearing block; 9. a lower beam (made of channel steel); 10. a stiffening plate; 11. pre-burying an iron plate; 12. a floor slab; 13. the diagonal brace (the material is section steel, a steel square tube or a rectangular tube); 14. a reinforcing column (made of profile steel, a steel square tube or a rectangular tube);

Detailed Description

As shown in fig. 1 to 3, a prefabricated load-bearing wall for a modular building comprises, from outside to inside, a first building board, a building rock wool insulating layer or light concrete layer 2, a fireproof functional board 3 and a second building board 4 in sequence; a steel frame 5 for supporting the building rock wool heat-insulating layer or the light concrete layer 2 is arranged in the building rock wool heat-insulating layer or the light concrete layer 2, the steel frame 5 is composed of a plurality of smaller vertical reinforcing columns 14, square steel pipes or other section steel upper beams 6 are welded on the top surface of the steel frame 5, one surface of the top upper beam 6 is flush with the steel frame 5, the other surface of the top upper beam 6 is not lower than the building rock wool heat-insulating layer or the light concrete layer 2, bearing columns 7 are connected at two ends of the top upper beam 6, two bearing blocks 8 are respectively welded at the upper ends and the lower ends of the bearing columns 7 and used for supporting an upper floor, a bottom lower beam 9 of the steel frame 5, a web plate of the bottom lower beam 9 is flush with one surface of the steel frame 5, an extended stiffening plate 10 is further welded in the bottom lower beam 9, the stiffening plate 10 is used for connecting the whole wall body to a floor, a plurality of embedded iron plates 11 are parallelly, two braces 13 are usually arranged in the reinforcing columns of the steel frame 5 to reinforce the stability of the entire steel frame 5. The first and second building boards 1, 4 are (including but not limited to) cement fibre boards or gypsum boards or calcium silicate boards or the like; the fireproof function board 3 is (including but not limited to) a glass magnesium flat board or a cement fiber board or a fiber reinforced silicate board and the like;

because the building rock wool heat-insulating layer or the light concrete layer 2 of the bearing wall body is brittle and can not be directly drilled on the bearing wall body to fix indoor household appliances, hands and other wall hanging weights, the wall hanging weights can be fixed on the bearing wall body through the embedded iron plates 11 welded on the steel frame 5. When fixing, firstly drilling a hole on the surface where the second building board 4 is located according to the measured size and ensuring that the drilled hole is immersed into the embedded iron plate 11, and then bolting a wall hanging heavy object on the embedded iron plate 11; when the bearing wall body is assembled, the surface where the first building board is located faces outdoors, the surface where the second building board 4 is located faces indoors, the bottom lower beam channel steel 9 and the channel steel inner stiffening plate 10 at the bottom of the wall body are placed in a die for pouring a floor slab, then concrete is poured into the die, and the wall body and the concrete floor slab 12 are fixed together after the concrete is solidified; when bearing wall's top and upper portion floor are connected, at first place the top of the house frame that encloses at the wall body with the upper portion floor, because the welding has bearing block 8 from top to bottom in the big heel post in bearing wall's both ends, the bearing block 8 stack of upper and lower floor is used for upper and lower floor's atress conduction, and because the bearing block can leave the space between wall body and the upper portion floor, place the smallpox truss in the space that forms between upper portion floor and the wall body, the smallpox truss welds on bearing wall top upper beam 6, and connect the bearing wall in whole room, link together through the bearing wall in smallpox truss with a room.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A prefabricated bearing wall body for modularization building which characterized in that: the rock wool heat-insulating frame comprises a steel frame, wherein bearing columns are arranged at two ends of the steel frame, and rock wool heat-insulating materials or light concrete are filled in the steel frame; and rock wool insulation material or lightweight concrete both sides are equipped with first building board and second building board, and the second building board inboard is equipped with the fire prevention function board.

2. A prefabricated load bearing wall for a modular building according to claim 1, wherein: the steel frame comprises a top upper beam, a bottom lower beam, at least two bearing columns and a plurality of reinforcing columns; the top upper beam and the bottom lower beam are arranged in parallel from top to bottom, the two ends of the top upper beam and the bottom lower beam are connected with the reinforcing columns through the bearing columns and are arranged between the top upper beam and the bottom lower beam, and the two ends of the reinforcing columns are respectively connected with the side faces of the top upper beam and the bottom lower beam.

3. A prefabricated load bearing wall for a modular building according to claim 2, wherein: and two ends of the bearing column are respectively provided with a bearing block for conducting the stress of the upper layer and the lower layer.

4. A prefabricated load bearing wall for a modular building according to claim 3, wherein: the lower side surface of the bottom lower beam is symmetrically provided with at least two stiffening plates, one ends of the stiffening plates are connected with the bottom channel steel, and the other ends of the stiffening plates are connected with the floor slab.

5. A prefabricated load bearing wall for a modular building according to claim 4, wherein: the upper beam is connected with the middle part of the lower beam through the inclined struts, and an included angle of 20-60 degrees is formed between each inclined strut and the horizontal plane.

6. A prefabricated load bearing wall for a modular building according to claim 5, wherein: and the reinforced section steel or the steel pipe is also welded with an embedded iron plate for hanging heavy objects.

7. A prefabricated load bearing wall for a modular building according to claim 1, wherein: the first and second building boards are boards including but not limited to cement fibre board or gypsum board or calcium silicate board; the fireproof function board includes but is not limited to glass magnesium flat board or cement fiber board or fiber reinforced silicate board.