CN110130527B - Modular assembly type composite wall, assembly type building structure system and construction method - Google Patents

Modular assembly type composite wall, assembly type building structure system and construction method Download PDF

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Publication number
CN110130527B
CN110130527B CN201910469203.8A CN201910469203A CN110130527B CN 110130527 B CN110130527 B CN 110130527B CN 201910469203 A CN201910469203 A CN 201910469203A CN 110130527 B CN110130527 B CN 110130527B
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China
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cold
assembly type
composite wall
steel
modular assembly
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CN110130527A (en
Inventor
乔文涛
尹晓祥
王泽雄
张海影
史占宽
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Hebei bimu Construction Technology Co.,Ltd.
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Shijiazhuang Tiedao University
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members

Abstract

The invention provides a modular assembly type composite wall, which belongs to the technical field of buildings and comprises a wallboard, two columns, a first beam body and a second beam body, wherein the second beam body, the first beam body and the two columns form a frame for embedding the wallboard; a first connecting piece used for being connected with another modular assembly type composite wall is arranged on the outer side surface of the column body; the first connecting piece comprises two first cold-formed steel sections with openings arranged in an opposite mode, the first cold-formed steel sections are cold-formed C-shaped steel or cold-formed U-shaped steel, and a gap capable of accommodating two side plates of the first cold-formed steel sections perpendicular to the first connecting piece is formed between the two first cold-formed steel sections; and steel pipes are arranged on the outer sides of the first beam body and the second beam body and are used for being connected with other components. The invention also provides an assembly type building structure system and a construction method. The modular assembly type composite wall, the assembly type building structure system and the construction method provided by the invention have the characteristics of modularization, high standardization degree and simple and convenient connection mode.

Description

Modular assembly type composite wall, assembly type building structure system and construction method
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a modular assembly type composite wall, an assembly type building structure system and a construction method.
Background
The fabricated structure is a concrete structure formed by assembling and connecting prefabricated components serving as main stress components. The assembled reinforced concrete structure is one of the important directions for the development of building structures in China, is beneficial to the development of industrialization of buildings in China, improves the production efficiency, saves energy, develops green and environment-friendly buildings, and is beneficial to improving and ensuring the quality of building engineering. Compared with a cast-in-place construction method, the assembly type structure is beneficial to green construction, because the assembly type construction can better meet the requirements of land saving, energy saving, material saving, water saving, environmental protection and the like of the green construction, the negative effects on the environment are reduced, including reducing noise, preventing dust, reducing environmental pollution, cleaning transportation, reducing field interference, saving water, electricity, materials and other resources and energy sources, and the principle of sustainable development is followed.
However, most of the existing reinforced concrete structures are mainly cast in situ, so that the labor intensity is high, the construction quantity is large, the field wet operation is more, and the construction period is longer. The assembled reinforced concrete structure develops rapidly in recent years, the adjacent prefabricated components are generally connected by steel bars, the modularization and standardization degree of the prefabricated components are low, and the connection mode between the prefabricated components is complex.
Disclosure of Invention
The invention aims to provide a modular assembly type composite wall, an assembly type building structure system and a construction method, and aims to solve the technical problems that the modularization and standardization degree of prefabricated components in the existing assembly type building are low, and the connection mode between the prefabricated components is complex.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a modular fabricated composite wall comprising: a wallboard;
the two columns are parallel to each other and are respectively positioned on two sides of the wallboard;
two ends of the first beam body are respectively connected with the upper parts of the two columns; and
two ends of the second beam body are respectively connected with the lower parts of the two columns; the second beam body, the first beam body and the two columns form a frame for embedding the wallboard;
a first connecting piece used for being connected with another modular assembly type composite wall is arranged on the outer side face of the column body; first connecting piece includes that two openings back on the body the first cold-formed steel that sets up, first cold-formed steel is cold-formed C shaped steel or cold-formed U shaped steel, each the opening direction of first cold-formed steel respectively with the normal direction of frame is parallel, two it can hold two perpendicular to this respectively to have between the first cold-formed steel first connecting piece the space of the sideboard of first cold-formed steel.
Further, the wall plate comprises an insulation plate embedded in the frame and two concrete plates arranged on two sides of the insulation plate, and the two concrete plates are connected through bolts.
Furthermore, a supporting piece or a corrugated steel plate is arranged in the heat insulation plate; and reinforcing steel bars are arranged in each concrete slab, and the ends of the reinforcing steel bars extend out of the concrete slabs.
Furthermore, the first beam body comprises more than four second cold-formed steel in even number, the second cold-formed steel is cold-formed C-shaped steel or cold-formed U-shaped steel, and two ends of the second cold-formed steel are respectively connected with the corresponding columns;
the openings of the two second cold-formed steels are oppositely arranged and enclose a rectangular cavity for containing the rest of the second cold-formed steels, the rest of the second cold-formed steels are oppositely arranged in pairs, webs are attached and spliced to form at least one I-shaped combined beam, and the height direction of each I-shaped combined beam is parallel to the length direction of the column;
when the number of the I-shaped combined beams is one, the I-shaped combined beams are in splicing fit with the rectangular cavity and spliced with the two second cold-formed steel sections which enclose the rectangular cavity to form the combined beam;
when the number of the I-shaped composite beams is more than two, the I-shaped composite beams are sequentially stacked and spliced into an I-beam group along the length direction of the column, and the I-beam group is in splicing fit with the rectangular cavity and is spliced into the composite beam with the two second cold-formed steel sections which enclose the rectangular cavity.
Furthermore, the second beam body is cold-formed C-shaped steel or cold-formed U-shaped steel with an opening facing the first beam body, and two ends of the second beam body are respectively welded with the two columns;
and two ends of each second cold-formed steel in the first beam body are respectively connected with the corresponding column body through angle steel, one side plate of the angle steel is welded with the corresponding second cold-formed steel, and the other side plate is connected with the corresponding column body through a bolt.
Furthermore, a steel pipe with an axis parallel to the length direction of the column body and an upward opening is arranged on the first beam body; and a sleeve which is in plug-in fit with the steel pipe on the other modular assembly type composite wall positioned below the modular assembly type composite wall is arranged on the second beam body.
Furthermore, each column body is cold-formed C-shaped steel or cold-formed U-shaped steel with an opening deviating from the wallboard, and each column body and the two first cold-formed steel connected with the column body respectively enclose two cavities with outward openings and with opening directions perpendicular to the wallboard;
when two mutually perpendicular modular assembly type composite walls are connected, one first cold-formed steel section of one modular assembly type composite wall can be inserted into the corresponding cavity of the other modular assembly type composite wall;
when the two opposite modular assembly type composite walls are connected, the two first connecting pieces which are respectively arranged on the two modular assembly type composite walls are mutually attached and spliced to form a straight-line-shaped combination body.
Further, pins are arranged on the outer wall of the column body and/or the first cold-formed steel.
The modular assembly type composite wall provided by the invention has the beneficial effects that: compared with the prior art, the first connecting piece connected with the adjacent composite wall is arranged on the column body of the modular assembly type composite wall, and the column bodies of at least two adjacent composite walls can be combined into a straight-line-shaped, L-shaped, T-shaped or cross-shaped combined column through the first connecting piece on each column body, so that the corresponding composite wall is combined. When designing the building body of different specifications, to the building demand of co-altitude not, different usage and different loads, adopt the composite wall assembly of different quantity or different specifications to form, realized the standardized assembly of building body, again because each composite wall structure that constitutes the building body is the same, realized the modularized design of composite wall, the standardization and the batch production of the composite wall of being convenient for have improved the production rate of composite wall and the building speed of building body. In addition, the connection node between the adjacent composite walls adopts a method of pouring concrete after the first connecting pieces are spliced, so that the connection mode of the adjacent composite walls is simple, the construction operation is convenient, and the field wet operation is less.
The invention also provides an assembly type building structure system which comprises at least two modular assembly type composite walls sequentially connected along the length direction of the column body, wherein the column bodies of the two adjacent modular assembly type composite walls are respectively connected with the second connecting pieces which are in plug-in fit with the cavities on the corresponding column bodies through two ends.
The assembled building structure system provided by the invention has the beneficial effects that: compared with the prior art, the assembly type building structure system adopts the modular assembly type composite wall, the first connecting pieces connected with the adjacent composite walls are arranged on the cylinders of the composite walls, and the cylinders of at least two adjacent composite walls can be combined into a straight-line-shaped, L-shaped, T-shaped or cross-shaped combined column through the first connecting pieces on the cylinders, so that the corresponding composite walls are combined. When designing the building body of different specifications, to the building demand of co-altitude not, different usage and different loads, adopt the composite wall assembly of different quantity or different specifications to form, realized the standardized assembly of building body, again because each composite wall structure that constitutes the building body is the same, realized the modularized design of composite wall, the standardization and the batch production of the composite wall of being convenient for have improved the production rate of composite wall and the building speed of building body. The method for pouring concrete after splicing the first connecting pieces is adopted for the connecting nodes between the adjacent composite walls, construction operation is simple and convenient, and wet operation on site is less.
The invention also provides a construction method of the assembly type building structure system, which comprises the following steps:
i) transporting the modular assembly type composite wall to the site;
ii) constructing a basic layer building: horizontally splicing the cylinders of the corresponding modular assembly type composite wall according to the building requirements, splicing the same-layer connecting nodes of the corresponding modular assembly type composite wall, and finishing the basic building;
iii) constructing an upper building: inserting one end of the second connecting piece into the cavity of the modular assembly type composite wall at the lower layer, pouring concrete into the cavity of the modular assembly type composite wall at the lower layer until the top surface of the concrete is flush with the top surface of the column body, then installing the modular assembly type composite wall at the upper layer above the modular assembly type composite wall at the lower layer, and the other end of the second connecting piece is in plug-in fit with the cavity of the modular assembly type composite wall positioned on the upper layer, then concrete is poured into the gap between the modular assembly type composite walls of the upper layer and the lower layer and the cavity of the modular assembly type composite wall positioned on the upper layer, the connection between the modular assembly type composite walls of the adjacent upper layer and the lower layer is completed, and the steps are repeated to complete the layer-by-layer construction of the whole building.
The construction method of the assembly type building structure system provided by the invention has the beneficial effects that: compared with the prior art, the construction method of the assembly type building structure system adopts the modular assembly type composite walls for all the wallboards required by the construction, the first connecting pieces connected with the adjacent composite walls are arranged on the cylinders of the composite walls, and the cylinders of at least two adjacent composite walls can be combined into a straight-line-shaped, L-shaped, T-shaped or cross-shaped combined column through the first connecting pieces on the cylinders, so that the combination of the corresponding composite walls is realized. When designing the building body of different specifications, to the building demand of co-altitude not, different usage and different loads, adopt the composite wall assembly of different quantity or different specifications to form, realized the standardized assembly of building body, again because each composite wall structure that constitutes the building body is the same, realized the modularized design of composite wall, the standardization and the batch production of the composite wall of being convenient for have improved the production rate of composite wall and the building speed of building body. The method for pouring concrete after splicing the first connecting pieces is adopted for the connecting nodes between the adjacent composite walls, construction operation is simple and convenient, and wet operation on site is less.
In addition, the columns on each composite wall and the first connecting piece are adopted to be connected in the same floor, and the condition when two or a plurality of composite walls are intersected is as follows: the composite walls are spliced with each other to realize connection through the corresponding combined column, then concrete is poured and filled in the inner space of the combined column, and the concrete wraps the whole combined column.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a modular fabricated composite wall according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a splicing structure of a corresponding first connecting piece in a straight-line type combined wall on the same floor according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a splicing structure of a corresponding first connecting member in an L-shaped combination wall on the same floor according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a splicing structure of a corresponding first connecting member in a T-shaped combination wall on the same floor according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a splicing structure of a corresponding first connecting piece in a cross-shaped combined wall on the same floor according to an embodiment of the present invention;
FIG. 6 is a schematic vertical sectional view of a conventional wall panel according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a vertical cross-sectional structure of a steel plate reinforced wall panel according to yet another embodiment of the present invention;
FIG. 8 is a schematic diagram of the structural arrangement of the layers of the reinforced wall panel according to the embodiment of the present invention;
FIG. 9 is a schematic perspective view of an assembly sequence of connection nodes of a composite beam and a column according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of a fabricated building structure system provided by an embodiment of the present invention;
fig. 11 is a schematic structural view illustrating the connection of upper and lower columns in a prefabricated building structure system according to an embodiment of the present invention.
In the figure: 10. a wallboard; 11. a thermal insulation board; 12. a concrete slab; 13. a bolt; 14. reinforcing steel bars; 15. a support member; 16. a corrugated steel plate; 20. a first beam body; 21. second cold-formed steel; 22. a second beam body; 30. a cylinder; 40. a first connecting member; 41. a first cold-formed steel section; 50. angle steel; 60. a steel pipe; 70. a sleeve; 80. a pin; 90. a second connecting member.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6 together, a modular assembly type composite wall according to an embodiment of the present invention will now be described. The modular assembly type composite wall comprises a wall plate 10, a first beam body 20, a second beam body 22 and a column body 30. The two columns 30 are provided, and the two columns 30 are parallel to each other and are respectively located at two sides of the wall plate 10. Both ends of the first beam 20 are connected to the upper portions of the two columns 30, respectively. Both ends of the second beam 22 are connected to lower portions of the two columns 30, respectively. The second beam 22, the first beam 20 and the two columns 30 enclose a frame for the flush-mounted wall panel 10.
A first connecting piece 40 used for being connected with another modular assembly type composite wall is arranged on the outer side surface of the column body 30; first connecting piece 40 includes that two openings back on the other hand the first cold-formed steel 41 that sets up, and first cold-formed steel 41 is cold-formed C shaped steel or cold-formed U shaped steel, and the opening direction of each first cold-formed steel 41 is parallel with the normal direction of frame respectively, has the space that can hold two perpendicular to this first connecting piece 40's the first cold-formed steel 41's sideboard between two first cold-formed steel 41.
The columns 30 in at least two adjacent modular assembly type composite walls on the same floor can be spliced into a combined column through corresponding first connecting pieces 40, and the combined column is a straight-line-shaped, L-shaped, T-shaped or cross-shaped combined body. The corresponding modular assembly type composite wall can be connected into a straight-line-shaped, L-shaped, T-shaped or cross-shaped composite wall through the combined columns. The wall panels 10 of different layers may then be connected to the first or second beam 20, 22 by means of corresponding columns 30, by splicing, concrete casting, etc.
It should be noted that, for convenience of description, the following description will simply refer to the modular fabricated composite wall as the composite wall, that is, hereinafter, the "modular fabricated composite wall" and the "composite wall" are both modular fabricated composite walls.
As shown in fig. 2, when a straight-line-shaped wall joint is constructed, two composite walls are selected and arranged oppositely, the relative positions of the two composite walls are adjusted, so that the opposite surfaces of the corresponding first connecting pieces 40 on the two composite walls are attached to each other, the two composite walls are spliced to form a straight-line-shaped combined column, concrete is poured into the inside and the outside of the combined column, the two composite walls are connected, and the construction of the straight-line-shaped combined wall is completed.
As shown in fig. 3, when constructing the L-shaped wall joint, two composite walls are selected, the two composite walls are vertically placed, the relative positions of the two composite walls are adjusted, so that two adjacent first cold-formed steels 41 in the two composite walls are spliced into an L-shaped combined column, then concrete is poured into the combined column from the inside to the outside, the two composite walls are connected, and the construction of the L-shaped combined wall is completed.
As shown in fig. 4, when constructing a T-shaped wall joint, three composite walls are selected, two of the composite walls are placed opposite to each other, and another composite wall (hereinafter referred to as a third composite wall for convenience of description) is placed perpendicularly to the two composite walls and is disposed at a joint of the two composite walls, the relative positions of the three composite walls are adjusted, so that two first cold-formed steel sections 41 in the third composite wall are respectively spliced with first cold-formed steel sections 41 close to the third composite wall in the other two composite walls to form an L-shape, so that first connecting members 40 on the three composite walls are spliced to form a T-shaped combined column, and then concrete is poured into and out of the combined column, so that the three composite walls are connected, and the building of the T-shaped combined wall is completed.
As shown in fig. 5, when constructing a cross wall joint, four composite walls are selected and arranged in pairs, the first connecting pieces 40 on each composite wall are spliced with the first connecting pieces 40 perpendicular to the composite wall, and finally the cross composite column is formed, and then concrete is poured into the interior and exterior of the composite column, so that the four composite walls are connected, and the cross composite wall is built.
Compared with the prior art, the modular assembly type composite wall provided by the embodiment of the invention has the advantages that the first connecting pieces 40 connected with the adjacent composite walls are arranged on the columns 30 of the composite wall, and the columns 30 of at least two adjacent composite walls can be combined into a straight-line-shaped, L-shaped, T-shaped or cross-shaped combined column through the first connecting pieces 40 on the columns 30, so that the corresponding composite walls are combined. When designing the building body of different specifications, to the building demand of co-altitude not, different usage and different loads, adopt the composite wall assembly of different quantity or different specifications to form, realized the standardized assembly of building body, again because each composite wall structure that constitutes the building body is the same, realized the modularized design of composite wall, the standardization and the batch production of the composite wall of being convenient for have improved the production rate of composite wall and the building speed of building body. In addition, the connection node between the adjacent composite walls adopts a method of pouring concrete after the first connecting pieces 40 are spliced, so that the connection mode of the adjacent composite walls is simple, the construction operation is convenient, and the field wet operation is less.
Referring to fig. 2 to 8, a wall panel 10 includes an insulation board 11 embedded in a frame and two concrete plates 12 respectively disposed at both sides of the insulation board 11, wherein the two concrete plates 12 are connected by bolts 13.
The setting of heated board 11 has effectively reduced wallboard 10's whole weight, and heated board 11 can adopt polystyrene or polyurethane to make, can effectively improve functions such as heat preservation, thermal-insulated, the sound insulation of wallboard 10, and the heated board 11 environmental protection energy-saving efficient and use the travelling comfort that adopt this kind of material to make is good, can also adopt the heated board 11 that other materials made as required.
As a specific embodiment of the modular assembly type composite wall provided by the present invention, please refer to fig. 2 to 8, a supporting member 15 or a corrugated steel plate 16 is disposed in the heat insulation plate 11; reinforcing bars 14 are disposed within each concrete slab 12, with ends of the reinforcing bars 14 extending outside of the concrete slab 12.
The wall plate 10 provided by the invention comprises a common wall plate, a supporting reinforced wall plate and a steel plate reinforced wall plate, wherein a supporting piece 15 or a corrugated steel plate 16 is not added in a heat insulation plate 11 of the common wall plate, the supporting reinforced wall plate is internally provided with the supporting piece 15, and the steel plate reinforced wall plate is internally provided with the corrugated steel plate 16 in the heat insulation plate 11. The lateral force resistance of the three components is sequentially enhanced, and during use, different types of wall boards 10 can be selected for use according to actual use requirements.
When at least two adjacent composite walls are connected, the first connecting pieces 40 in each composite wall are required to be attached to the first connecting pieces 40 in the corresponding composite wall, the reinforcing steel bars 14 in each composite wall are required to be lapped, and then concrete is poured into the combination column from the inside to the outside, so that the reinforcing steel bars 14 are anchored in the concrete outside the column body 30, and the connection between the two adjacent composite walls is realized.
Referring to fig. 1, 6 and 7, as an embodiment of the modular fabricated composite wall provided by the present invention, the first beam 20 includes more than four second cold-formed steel sections 21 in an even number, the second cold-formed steel sections 21 are cold-formed C-shaped steel or cold-formed U-shaped steel, and both ends of the second cold-formed steel sections are respectively connected to the corresponding columns 30. Wherein the openings of the two second cold-formed steels 21 are arranged oppositely and enclose a rectangular cavity for accommodating the rest of the second cold-formed steels 21, the two openings of the rest of the second cold-formed steels 21 are arranged oppositely and the webs are jointed and spliced to form at least one I-shaped combined beam, and the height direction of each I-shaped combined beam is parallel to the length direction of the column 30.
When the number of the I-shaped composite beams is one, the I-shaped composite beams are in splicing fit with the rectangular cavity and are spliced with the two second cold-formed steel sections 21 which enclose the rectangular cavity to form the composite beam. When the number of the i-shaped composite beams is more than two, the i-shaped composite beams are sequentially stacked and spliced into an i-beam group along the length direction of the column 30, and the i-beam group is in splicing fit with the rectangular cavity and is spliced into a composite beam with the two second cold-formed steel sections 21 enclosing the rectangular cavity.
The first beam body 20 is a combined beam formed by splicing more than four second cold-formed steel 21 in an even number, so that the strength of the first beam body 20 is effectively improved, and the stability of the overall structure of the composite wall is ensured.
Specifically, when the number of the second cold-formed steel 21 is six, a web of each i-shaped composite beam of the four second cold-formed steel 21 is parallel to the length direction of the column 30, and the two i-shaped composite beams are stacked and spliced along the length direction of the column 30 to form an i-shaped beam group; the openings of the other two second cold-formed steel sections 21 are arranged oppositely and form a rectangular cavity for accommodating the I-beam group; the six second cold-formed steel sections 21 are spliced into a composite beam.
The cold-bending thin-wall steel structure is widely applied due to the advantages of flexible structure, various section forms, small dead weight, good earthquake resistance and the like, but is generally applied to low-rise buildings due to the thin wall thickness and poor stability. The first beam body 20 adopts a combined beam form, so that the problems of relatively poor stability and relatively thin wall thickness of the cold-formed thin-walled steel are effectively solved, and the cold-formed thin-walled steel can be used in low-rise buildings and high-rise buildings.
Referring to fig. 6 and 7, the second beam 22 is a cold-formed C-shaped steel or U-shaped steel with an opening facing the first beam 20, and two ends of the second beam 22 are respectively welded to two columns 30. Two ends of each second cold-formed steel 21 in the first beam body 20 are respectively connected with the corresponding column body 30 through the angle steel 50, one side plate of the angle steel 50 is welded with the corresponding second cold-formed steel 21, and the other side plate is connected with the corresponding column body 30 through the bolt 13.
The first beam body 20 is a combined beam, and the second beam body 22 is cold-formed C-shaped steel or cold-formed U-shaped steel with an opening facing the first beam body 20, so that the quantity of materials required by the whole composite wall is effectively reduced, and the cost for manufacturing the composite wall is reduced. And because the two ends of each second cold-formed steel 21 in the first beam body 20 are connected with the corresponding column 30 through the angle steel 50, the frame shape cannot be deformed after being assembled, and the stability of the connection relationship between the wall plate 10 and the frame is further ensured. The angle steel 50 is connected with the corresponding column 30 through the bolt 13, so that a user can conveniently adjust the connection position of the first beam body 20 and the column 30 according to needs, further the assembly of frames with different heights is realized, and the frames can be conveniently detached when a certain first beam body 20 or column 30 in the frames is damaged or the wallboard 10 needs to be replaced.
When the composite wall is assembled, the two columns 30, the first beam body 20 and the second beam body 22 are firstly spliced into a frame. When the supporting reinforced wallboard and the steel plate reinforced wallboard are adopted, the supporting piece 15 or the corrugated steel plate 16 is required to be installed in the frame, so that the top of the supporting piece 15 or the corrugated steel plate 16 is connected with the first beam body 20, and the bottom of the supporting piece 15 or the corrugated steel plate 16 is connected with the second beam body 22. And then placing the two concrete plates 12 on two sides of the frame respectively, connecting the two concrete plates 12 through bolts 13, and finally, driving foaming materials between the two concrete plates 12 to condense the foaming materials to form the heat insulation plate 11 which is laminated with the two concrete plates 12.
When the composite beam is installed, the positions of the second cold-formed steels 21 are adjusted according to the position relation of the second cold-formed steels 21 in the composite beam, and then the positions of the second cold-formed steels 21 in the composite beam are fixed through self-tapping screws, so that the assembly of the composite beam is realized.
Referring to fig. 1 and 8, as a specific embodiment of the modular assembly type composite wall provided by the present invention, a steel pipe 60 having an axis parallel to the length direction of the column 30 and an upward opening is disposed on the first beam 20; the second beam 22 is provided with a sleeve 70 which is inserted and matched with the steel pipe 60 on the other modular fabricated composite wall below the modular fabricated composite wall.
When the upper and lower composite walls are assembled, the steel pipe 60 at the bottom of the upper composite wall is inserted into the sleeve 70 at the top of the lower composite wall, or the sleeve 70 at the bottom of the upper composite wall is sleeved outside the steel pipe 60 at the top of the lower composite wall, so that the relative positions of the upper and lower composite walls are fixed, and then concrete is poured into a gap between the upper and lower composite walls, so that the connection of the upper and lower composite walls is realized.
Referring to fig. 2 to 5, the columns 30 are cold-formed C-section steel or cold-formed U-section steel with openings facing away from the wall panel 10, and each column 30 and the two first cold-formed steel 41 connected to the column 30 respectively form two cavities with openings facing outward and perpendicular to the wall panel 10.
When two modular fabricated composite walls perpendicular to each other are connected, one first cold formed steel 41 of one modular fabricated composite wall can be inserted into a corresponding cavity of the other modular fabricated composite wall.
When two opposite modular assembled composite walls are connected, two first connecting pieces 40 respectively arranged on the two modular assembled composite walls are mutually attached and spliced to form a straight-line-shaped combination body.
When the upper and lower composite walls are connected, the corresponding beams of the two composite walls can be connected by the steel pipes 60 and the sleeves 70 or other connecting members, and the columns 30 of the two composite walls can be connected by the second connecting members 90 inserted into the cavities.
When the upper and lower layers of composite walls are connected, one end of the second connecting piece 90 which can be in plug-in fit with the cavity is inserted into the cavity at the upper end of the column 30 of the composite wall positioned below, so that the other end of the second connecting piece 90 is higher than the top end of the column 30 of the composite wall positioned below, concrete is poured into the cavity of the column 30 of the composite wall positioned below, the top surface of the concrete is flush with the top surface of the column 30, and the relative positions of the second connecting piece 90 and the composite wall positioned below are fixed. Then the composite wall above is installed, so that the other end of the second connecting piece 90 is inserted into the cavity of the column 30 of the composite wall above, the two columns 30 of the composite wall are preliminarily connected, then concrete is poured into the gap between the upper composite wall and the lower composite wall and the cavity of the composite wall above, and the connection of the upper composite wall and the lower composite wall is realized.
Referring to fig. 2 to 5, as an embodiment of the modular fabricated composite wall provided by the present invention, a pin 80 is provided on an outer wall of the column 30 and/or the first cold-formed steel 41.
The setting up of pin 80 makes to have certain mechanical interlock between cylinder 30 and the concrete, and not only the adhesion between concrete and the cylinder 30, and then effectively increased building body overall structure's stability.
The invention also provides an assembly type building structure system. Referring to fig. 10 and 11, the prefabricated building structure system includes at least two modular prefabricated composite walls sequentially connected along the length direction of the columns 30, and the columns 30 of two adjacent modular prefabricated composite walls are connected with the second connecting members 90, which are respectively inserted into and matched with the cavities of the corresponding columns 30 at two ends.
When the upper and lower layer composite wall is connected, install second connecting piece 90 to the upper end of the cylinder 30 of the composite wall that is located the below earlier, make the top of second connecting piece 90 be higher than the top that is located below composite wall cylinder 30, concreting in the cavity of the cylinder 30 to the composite wall that is located the below, make the top surface of concrete flush with the top surface of cylinder 30, realize the fixed of the relative position of second connecting piece 90 and the cylinder 30 of the composite wall that is located the below, later the installation is located the composite wall of top, make the other end of second connecting piece 90 insert in the cavity of the cylinder 30 that is located the composite wall of top, realize two primary connections of composite wall cylinder 30, later pour the concrete in the gap between two upper and lower composite walls and the cavity of the composite wall that is located the top, realize the connection of two upper and lower composite walls.
The assembly type building structure system provided by the embodiment of the invention adopts the modular assembly type composite wall, the first connecting pieces 40 connected with the adjacent composite walls are arranged on the column bodies 30 of the composite walls, and the column bodies 30 of at least two adjacent composite walls can be combined into a straight-line-shaped, L-shaped, T-shaped or cross-shaped combined column through the first connecting pieces 40 on each column body 30, so that the combination of the corresponding composite walls is realized. When designing the building body of different specifications, to the building demand of co-altitude not, different usage and different loads, adopt the composite wall assembly of different quantity or different specifications to form, realized the standardized assembly of building body, again because each composite wall structure that constitutes the building body is the same, realized the modularized design of composite wall, the standardization and the batch production of the composite wall of being convenient for have improved the production rate of composite wall and the building speed of building body. The connection node between the adjacent composite walls adopts a method of pouring concrete after the first connecting pieces 40 are spliced, so that the construction operation is simple and convenient, and the field wet operation is less.
In this embodiment, the second connecting member 90 is a steel bar bent into a U shape or an oblong shape, so that the anchoring length of the second connecting member 90 is effectively increased, and the strength of the joint between two adjacent columns 30 is ensured, thereby ensuring the stability of the connection relationship between two vertically connected composite walls.
The invention also provides a construction method of the fabricated building structure system. Referring to fig. 11, the method for constructing the prefabricated building structure system includes the following steps:
i) transporting the modular assembly type composite wall to the site;
ii) constructing a basic layer building: horizontally splicing the cylinders 30 of the corresponding modular assembly type composite walls according to the building requirements, splicing the same-layer connecting nodes of the corresponding modular assembly type composite walls, and finishing the basic building;
iii) constructing an upper building: firstly inserting one end of a second connecting piece 90 into a cavity of the modular assembly type composite wall positioned at the lower layer, pouring concrete into the cavity of the modular assembly type composite wall positioned at the lower layer until the top surface of the concrete is flush with the top surface of the column 30, then installing the modular assembly type composite wall positioned at the upper layer above the modular assembly type composite wall positioned at the lower layer, enabling the other end of the second connecting piece 90 to be in plug-in fit with the cavity of the modular assembly type composite wall positioned at the upper layer, pouring concrete into a gap between the modular assembly type composite walls at the upper layer and the cavity of the modular assembly type composite wall positioned at the upper layer, completing the connection between the adjacent modular assembly type composite walls at the upper layer and the lower layer, and repeating the steps to complete the layer-by-layer construction of the whole building.
Compared with the prior art, the construction method of the assembly type building structure system provided by the embodiment of the invention has the advantages that each wallboard 10 required by the building adopts the modular assembly type composite wall, the first connecting piece 40 connected with the adjacent composite wall is arranged on the column body 30 of the composite wall, and the column bodies 30 of at least two adjacent composite walls can be combined into a straight-line-shaped, L-shaped, T-shaped or cross-shaped combined column through the first connecting piece 40 on each column body 30, so that the combination of the corresponding composite walls is realized. When designing the building body of different specifications, to the building demand of co-altitude not, different usage and different loads, adopt the composite wall assembly of different quantity or different specifications to form, realized the standardized assembly of building body, again because each composite wall structure that constitutes the building body is the same, realized the modularized design of composite wall, the standardization and the batch production of the composite wall of being convenient for have improved the production rate of composite wall and the building speed of building body. The connection node between the adjacent composite walls adopts a method of pouring concrete after the first connecting pieces 40 are spliced, so that the construction operation is simple and convenient, and the field wet operation is less.
In addition, the column 30 and the first connecting piece 40 on each composite wall are adopted to be connected in the same floor, and the condition when two or a plurality of composite walls are intersected is as follows: the composite walls are spliced with each other to realize connection through the corresponding combined column, then concrete is poured and filled in the inner space of the combined column, and the concrete wraps the whole combined column.
Specifically, the outer surface of the concrete coated outside the composite column is flush with the outer surface of the concrete, and the concrete coated outside the composite column coats the portion of the reinforcing bars 14 disposed in the concrete slab 12 extending outside the concrete and the pins 80 disposed on the column body 30 or the first cold-formed steel 41.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. Modular assembled composite wall, its characterized in that includes:
a wallboard;
the two columns are parallel to each other and are respectively positioned on two sides of the wallboard;
two ends of the first beam body are respectively connected with the upper parts of the two columns; and
two ends of the second beam body are respectively connected with the lower parts of the two columns; the second beam body, the first beam body and the two columns form a frame for embedding the wallboard;
a first connecting piece used for being connected with another modular assembly type composite wall is arranged on the outer side face of the column body; the first connecting piece comprises two first cold-formed steel with openings arranged in an opposite mode, the first cold-formed steel is cold-formed C-shaped steel or cold-formed U-shaped steel, the opening direction of each first cold-formed steel is parallel to the normal direction of the frame, and a gap capable of accommodating two side plates of the first cold-formed steel perpendicular to the first connecting piece is formed between the two first cold-formed steel;
each column body is cold-formed C-shaped steel or cold-formed U-shaped steel with an opening deviating from the wallboard, and two cavities with outward openings and openings perpendicular to the wallboard are respectively surrounded by each column body and the two first cold-formed steel connected with the column body;
when two mutually perpendicular modular assembly type composite walls are connected, one first cold-formed steel section of one modular assembly type composite wall can be inserted into the corresponding cavity of the other modular assembly type composite wall;
when the two opposite modular assembly type composite walls are connected, the two first connecting pieces which are respectively arranged on the two modular assembly type composite walls are mutually attached and spliced to form a straight-line-shaped combination body.
2. The modular fabricated composite wall of claim 1, wherein: the wallboard comprises an insulation board embedded in the frame and two concrete plates respectively arranged on two sides of the insulation board, and the two concrete plates are connected through bolts.
3. The modular fabricated composite wall of claim 2, wherein: a supporting piece or a corrugated steel plate is arranged in the heat insulation plate; and reinforcing steel bars are arranged in each concrete slab, and the ends of the reinforcing steel bars extend out of the concrete slabs.
4. The modular fabricated composite wall of claim 3, wherein: the first beam body comprises more than four second cold-formed steel in even number, the second cold-formed steel is cold-formed C-shaped steel or cold-formed U-shaped steel, and two ends of the second cold-formed steel are respectively connected with the corresponding columns;
the openings of the two second cold-formed steels are oppositely arranged and enclose a rectangular cavity for containing the rest of the second cold-formed steels, the rest of the second cold-formed steels are oppositely arranged in pairs, webs are attached and spliced to form at least one I-shaped combined beam, and the height direction of each I-shaped combined beam is parallel to the length direction of the column;
when the number of the I-shaped combined beams is one, the I-shaped combined beams are in splicing fit with the rectangular cavity and spliced with the two second cold-formed steel sections which enclose the rectangular cavity to form the combined beam;
when the number of the I-shaped composite beams is more than two, the I-shaped composite beams are sequentially stacked and spliced into an I-beam group along the length direction of the column, and the I-beam group is in splicing fit with the rectangular cavity and is spliced into the composite beam with the two second cold-formed steel sections which enclose the rectangular cavity.
5. The modular fabricated composite wall of claim 4, wherein: the second beam body is cold-formed C-shaped steel or cold-formed U-shaped steel with an opening facing the first beam body, and two ends of the second beam body are respectively welded with the two columns;
and two ends of each second cold-formed steel in the first beam body are respectively connected with the corresponding column body through angle steel, one side plate of the angle steel is welded with the corresponding second cold-formed steel, and the other side plate is connected with the corresponding column body through a bolt.
6. The modular fabricated composite wall of claim 1, wherein: a steel pipe with an axis parallel to the length direction of the column body and an upward opening is arranged on the first beam body; and a sleeve which is in plug-in fit with the steel pipe on the other modular assembly type composite wall positioned below the modular assembly type composite wall is arranged on the second beam body.
7. The modular fabricated composite wall of any of claims 1-6, wherein:
pins are arranged on the outer wall of the column body and/or the first cold-formed steel.
8. An assembly building structure system characterized by: the modular assembly type composite wall comprises at least two modular assembly type composite walls as claimed in any one of claims 1 to 7 which are sequentially connected along the length direction of the columns, and the columns of the two adjacent modular assembly type composite walls are respectively connected with second connecting pieces which are in plug-in fit with the cavities on the corresponding columns through two ends.
9. A method of constructing a fabricated building structure system according to claim 8, comprising the steps of:
i) transporting the modular fabricated composite wall of any one of claims 1-7 to a site;
ii) constructing a basic layer building: horizontally splicing the cylinders of the corresponding modular assembly type composite wall according to the building requirements, splicing the same-layer connecting nodes of the corresponding modular assembly type composite wall, and finishing the basic building;
iii) constructing an upper building: inserting one end of a second connecting piece into the cavity of the modular assembly type composite wall at the lower layer, pouring concrete into the cavity of the modular assembly type composite wall at the lower layer until the top surface of the concrete is flush with the top surface of the column body, then installing the modular assembly type composite wall at the upper layer above the modular assembly type composite wall at the lower layer, and the other end of the second connecting piece is in plug-in fit with the cavity of the modular assembly type composite wall positioned on the upper layer, then concrete is poured into the gap between the modular assembly type composite walls of the upper layer and the lower layer and the cavity of the modular assembly type composite wall positioned on the upper layer, the connection between the modular assembly type composite walls of the adjacent upper layer and the lower layer is completed, and the steps are repeated to complete the layer-by-layer construction of the whole building.
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CN111310285B (en) * 2020-01-23 2022-08-19 久瓴(江苏)数字智能科技有限公司 Beam-through node generation method and device, computer equipment and storage medium
CN111519825B (en) * 2020-07-02 2020-10-27 中国船舶重工集团国际工程有限公司 Prefabricated stiff concrete shear wall plate with U-shaped anchoring steel plates, assembled stiff concrete shear wall and manufacturing method
CN113266095B (en) * 2021-05-17 2022-12-20 厦门尚匠住工股份有限公司 Steel building wall assembly structure
CN113737941B (en) * 2021-09-24 2022-11-04 河南鑫达装饰设计工程有限公司 Assembly type structure that power consumption is low
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