CN110409705B - Manufacturing method of light steel frame composite wall structure with anti-seismic unit - Google Patents
Manufacturing method of light steel frame composite wall structure with anti-seismic unit Download PDFInfo
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- CN110409705B CN110409705B CN201910745613.0A CN201910745613A CN110409705B CN 110409705 B CN110409705 B CN 110409705B CN 201910745613 A CN201910745613 A CN 201910745613A CN 110409705 B CN110409705 B CN 110409705B
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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
- 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
- E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
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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
- 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
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
- E04C2/2885—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/40—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a manufacturing method of a light steel frame composite wall structure with an anti-seismic unit, which is characterized by comprising the following steps of: preparing a light steel truss unit and light concrete in advance, and combining to obtain a light steel frame; preparing an anti-seismic unit and a plurality of composite wallboard units with different structures; the composite wall board units and the anti-seismic units are installed between the light steel frames independently or in a combined mode to form a plurality of light steel frame composite wall structures with different structures, the light steel frame composite wall structures have the same structural characteristics, and the different light steel frame composite wall structures have single distinguishing characteristics. According to the invention, various light steel frame composite wall structures with single distinguishing characteristics can be manufactured by different combination modes among the composite wallboard units, the anti-seismic units and the light steel frames, and a series of related models are provided for anti-seismic experiment tests.
Description
Technical Field
The invention relates to the technical field of assembled light steel frame composite walls, in particular to a manufacturing method of a light steel frame composite wall structure with an anti-seismic unit.
Background
The wallboard divide into interior wallboard and side fascia according to building function, interior wallboard mainly is as bearing member, makes with single material, and the side fascia generally is non-bearing wallboard, has functions such as heat preservation, thermal-insulated, waterproof concurrently, and the structure is comparatively complicated, and some make compound wallboard with multiple materials, for the bearing strength of the compound reinforced wall board, can use compound wallboard cooperation lightweight steel frame usually, all need carry out the test of low week repetition anti-seismic load performance to it after the compound wall structure preparation.
The current research on the response characteristic analysis of the frame structure under the action of vibration mainly adopts three methods: field test, numerical simulation and physical model test. The shaking table test has the deformation and damage process which can visually reflect the structure, and can reflect various physical phenomena and laws more practically.
However, the existing light steel frame composite wall structure with the anti-seismic units is single in manufacturing method, cannot provide a related series of models for anti-seismic experiments, and is not beneficial to comparison and analysis of composite wall structures with different structures.
Therefore, a manufacturing method is desired, which can realize manufacturing a series of light steel frame composite wall structures with related characteristics, so as to facilitate the comparison and analysis of composite wall structures with different structures in the earthquake-proof experiment and reveal the earthquake-proof mechanism.
Disclosure of Invention
The invention aims to provide a manufacturing method of a light steel frame composite wall structure with an anti-seismic unit, which realizes the manufacture of a plurality of light steel frame composite wall structures with single distinguishing characteristics.
In order to achieve the purpose, the invention provides a manufacturing method of a light steel frame composite wall structure with an anti-seismic unit, which comprises the following steps:
preparing a light steel truss unit and light concrete in advance, and combining to obtain a light steel frame;
preparing an anti-seismic unit and a plurality of composite wallboard units with different structures;
and the composite wallboard units and the anti-seismic units are installed between the light steel frames independently or in a combined manner to form a plurality of light steel frame composite wall structures with different structures, and the light steel frame composite wall structures have the same structural characteristics and the different light steel frame composite wall structures have single distinguishing characteristics.
Alternatively, the lateral force resistance and the torsion resistance are calculated and analyzed according to the requirement of the anti-seismic design, and the installation position of the anti-seismic unit is selected.
Alternatively, the anti-seismic units are installed at four corners of the light steel frame.
Alternatively, the plurality of differently configured composite wall panel units comprises: the composite wallboard comprises a complete composite wallboard unit, a composite wallboard unit with a window opening and a composite wallboard unit with a door opening.
Alternatively, the anti-seismic unit is installed between a window opening of the composite wall panel unit and a longitudinal column of the light steel frame, or between a door opening of the composite wall panel unit and a longitudinal column of the light steel frame.
Alternatively, the step of mounting the composite wall panel units between the light steel frames comprises: the upper and lower parts of the composite wallboard unit are provided with tongues and grooves, and the composite wallboard unit and the light steel frame are connected through tongue and groove occlusion.
Alternatively, the step of mounting the composite wall panel units between the light steel frames further comprises: the two sides of the composite wallboard unit are provided with extended reinforcing steel bars, and the composite wallboard unit and the light steel frame are connected by welding the reinforcing steel bars and the longitudinal columns of the light steel frame; or
The composite wallboard is characterized in that first connecting pieces are arranged on two sides of the composite wallboard unit, second connecting pieces are arranged on the inner sides of the longitudinal columns of the light steel frame, and the composite wallboard unit and the light steel frame are connected through the first connecting pieces and the second connecting pieces.
Alternatively, the step of mounting the composite wall panel units between the light steel frames further comprises: and filling light concrete in a gap formed after the composite wallboard unit is connected with the light steel frame.
As an alternative, the composite wallboard unit is of a sandwich structure, the middle layer is a polyphenyl plate sandwich, steel wire meshes are arranged on the two surface layers, and crossed oblique ribs penetrate through the polyphenyl sandwich to connect the surface layers.
As an alternative, the surface layer is light concrete prepared by foaming and preparing recycled fine stone aggregate, tailing sand, fly ash, cement and a foaming agent.
The invention has the beneficial effects that: through different combination modes between the composite wallboard unit and the anti-seismic unit and between the composite wallboard unit and the light steel frame, a series of light steel frame composite wall structures with common characteristics and single distinguishing characteristics are manufactured, a plurality of associated models are provided for anti-seismic experiments, and then the composite wall structures with different structures can be compared and analyzed, and an anti-seismic mechanism is disclosed.
The method of the present invention has other features and advantages which will be apparent from the following detailed description, which is provided to illustrate certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 shows a schematic structural view of a lightweight steel frame according to one embodiment of the present invention;
FIG. 2 illustrates a schematic view of a first frame composite wall structure according to one embodiment of the present invention;
FIG. 3 illustrates a schematic view of a second frame composite wall structure according to one embodiment of the present invention;
FIG. 4 illustrates a schematic view of a third frame composite wall structure according to one embodiment of the present invention;
FIG. 5 shows a schematic view of a fourth frame composite wall structure according to an embodiment of the invention;
fig. 6 shows a flow chart of a method of manufacturing a light steel frame composite wall structure with earthquake-resistant units according to an embodiment of the present invention.
Detailed Description
Referring to fig. 6, a method for manufacturing a light steel frame composite wall structure with an anti-seismic unit according to an embodiment of the present invention includes the steps of:
preparing a light steel truss unit and light concrete in advance, and combining to obtain a light steel frame;
preparing an anti-seismic unit and a plurality of composite wallboard units with different structures;
the composite wall board units and the anti-vibration units are installed between the light steel frames independently or in a combined mode to form a plurality of light steel frame composite wall structures with different structures, the light steel frame composite wall structures have the same structural characteristics, and the different light steel frame composite wall structures have single distinguishing characteristics.
Specifically, firstly, a light steel frame is manufactured, the light steel frame is composed of light steel truss units and concrete, the concrete in the example is foamed concrete, the manufacturing of the light steel frame belongs to the prior art, and the specific manufacturing process is not described here.
Preparing a plurality of anti-seismic units and a plurality of composite wallboard units of different structures, wherein in one example, the composite wallboard units have three different structures, and the first composite wallboard unit is a complete composite wallboard; the second composite wallboard unit is a composite wallboard with a window opening; the third composite wallboard is a composite wallboard with a door opening. And respectively installing the three composite wallboard units on the light steel frame to form three different light steel frame composite wall structures. In one example, the composite wall panel unit is installed on the light steel frame in a horizontal strip shape, the composite wall panel unit is provided with grooves and tongues at the upper part and the lower part and is assembled with a cross beam of the light steel frame through occlusion, two sides of the composite wall panel unit are respectively provided with a protruding reinforcing steel bar, the reinforcing steel bars are connected with columns of the light steel frame in a spot welding mode or connected with the columns of the light steel frame in a pulling mode through connecting pieces, and light concrete with the foaming strength of 5-6 MPa is filled in gaps between the composite wall panel unit and the columns of the light steel frame to form the light steel frame composite wall structure.
And installing the anti-seismic units on the light steel frame to form the light steel frame composite wall structure with the anti-seismic units. The installation position of the anti-seismic unit is selected according to the anti-seismic design requirement through calculation and analysis of lateral force resistance and torsion resistance. In one example, the anti-seismic unit is installed by manufacturing two attaching columns in advance, assembling the two attaching columns between an upper beam and a lower beam of a frame, applying vertical load to the upper ends of the frame columns, enabling the lateral force resistance of the light concrete shear wall unit member with the light steel truss embedded inside to be similar to that of a short-limb shear wall, enabling the lateral force resistance of the light steel frame-anti-seismic unit structure to be similar to that of a frame-truss structure, and enabling the vertical load to be still transmitted by the steel pipe recycled concrete frame column with strong compressive bearing capacity.
Besides the four light steel frame composite wall structures, the anti-seismic structure unit, the composite wallboard unit and the light steel frame can be combined together to form a combination of the light steel frame, the complete composite wallboard unit and the anti-seismic unit; the light steel frame is combined with the composite wallboard unit with the window opening and the anti-seismic unit; the light steel frame is combined with a composite wallboard plate unit with a door opening and an anti-seismic unit. The installation position of the anti-seismic unit is selected by calculating and analyzing the lateral force resistance and the torsional rotation resistance according to the anti-seismic design requirement, and the arrangement of four corners of a structural plane is considered at first, so that the lateral force resistance and the torsional rotation resistance are enhanced, and the efficiency is high.
In one example, the anti-seismic unit is arranged between the light steel frame column and the door and window opening, so that the weakening of the stress performance of the wall body by the opening can be overcome, and the truss column can also be used as a support for installing the door and window frame. And light steel truss anti-seismic units are uniformly arranged in the two engineering shaft directions in the preferred scheme. Different light steel frame composite wall structures are obtained through different assembling modes, a bearing capacity model and a restoring force model can be established, finite element modeling is realized, numerical simulation is carried out, an anti-seismic mechanism is revealed, design comparison and analysis can be carried out on the composite wall structures with different structures, and anti-seismic units are analyzed more specifically.
In one example, the composite wallboard unit is of a sandwich structure, the middle layer of the composite wallboard unit is a polystyrene sandwich, the compressive strength of the composite wallboard unit can reach 5-6 MPa, the density is only 400kg/m3, the heat preservation, sound insulation, fire prevention and durability are good, the two layers are both provided with steel wire meshes, and cross oblique ribs penetrate through the polystyrene sandwich to connect the surface layers; wherein the two surface layers are light concrete prepared by foaming and preparing recycled fine stone aggregate, tailing sand, fly ash, cement and foaming agent.
In one example, the assembled lightweight steel framed composite wall has dimensions of 3750mm by 2430mm by 240 mm.
Example (b):
s1: preparing a light steel truss unit and light concrete in advance, and combining the light steel truss unit and the light concrete to obtain a light steel frame with the size of 3750mm multiplied by 2430mm multiplied by 240mm, wherein the light steel frame is a schematic diagram of a light steel frame structure with reference to FIG. 1;
s2: preparing a plurality of anti-seismic units and a plurality of composite wallboard units of three different structures;
the composite wallboard units of the three structures are respectively: the first composite wallboard unit is a complete composite wallboard, the second composite wallboard unit is a composite wallboard with a window opening, and the third composite wallboard unit is a composite wallboard with a door opening. The composite wallboard unit is of a sandwich structure, the middle layer of the composite wallboard unit is a polystyrene board sandwich, the compressive strength of the composite wallboard unit can reach 5-6 MPa, the density is only 400kg/m3, the heat preservation, sound insulation, fire prevention and durability are good, steel wire meshes are arranged on two surface layers, and crossed inclined ribs penetrate through the polystyrene sandwich to connect the surface layers; wherein the surface layer is light concrete prepared by foaming recycled fine stone aggregate, tailing sand, fly ash, cement and foaming agent.
S3: installing the first composite wallboard unit on a light steel frame to form a first frame composite wall structure, and referring to fig. 2, the first frame composite wall structure is a schematic diagram;
installing a second composite wallboard unit on a light steel frame to form a second frame composite wall structure, and referring to fig. 3, the second frame composite wall structure is a schematic diagram;
installing a third composite wallboard unit on a light steel frame to form a third frame composite wall structure, and referring to fig. 4, the third frame composite wall structure is a schematic diagram;
the composite wall board is in a horizontal strip shape, the upper portion and the lower portion of the composite wall board unit are provided with grooves and tongues, the composite wall board unit and the cross beam of the light steel frame are assembled together through occlusion, two sides of the composite wall board unit are provided with extending steel bars, the composite wall board unit and the light steel frame are connected through spot welding through the steel bars, and light concrete with foaming strength of 5-6 MPa is filled in gaps between the composite wall board unit and the light steel frame columns to form a light steel frame composite wall structure.
Installing two anti-seismic units between an upper beam and a lower beam of a light steel frame to form a fourth frame composite wall structure, and referring to fig. 5, the fourth frame composite wall structure is a schematic diagram;
installing the first composite wallboard unit and the two anti-seismic units on a light steel frame to form a fifth frame composite wall structure, wherein the anti-seismic units are positioned at four corners of the light steel frame;
installing the second composite wallboard unit and two of the anti-seismic units on a light steel frame to form a sixth frame composite wall structure, wherein the anti-seismic units are positioned between the window opening and the frame columns;
installing the third composite wallboard unit and two of the anti-seismic units on a light steel frame to form a seventh frame composite wall structure, wherein the anti-seismic units are positioned between the door opening and the frame columns;
in the embodiment, a series of light steel frame composite wall structures with common characteristics and single distinguishing characteristics are manufactured simultaneously through different combination modes among the composite wallboard units, the anti-seismic units and the light steel frames, a plurality of correlated models are provided for anti-seismic experiments, and then the composite wall structures with different structures can be compared and analyzed, and an anti-seismic mechanism is disclosed.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. A manufacturing method of a light steel frame composite wall structure with an anti-seismic unit is characterized by comprising the following steps:
preparing a light steel truss unit and light concrete in advance, and combining to obtain a light steel frame;
preparing an anti-seismic unit and a plurality of composite wallboard units with different structures; the plurality of differently configured composite wall panel units comprises: the composite wallboard comprises a complete composite wallboard unit, a composite wallboard unit with a window opening and a composite wallboard unit with a door opening;
the composite wallboard units and the anti-seismic units are installed between the light steel frames independently or in a combined mode to form a plurality of light steel frame composite wall structures with different structures, the light steel frame composite wall structures have the same structural characteristics, and the different light steel frame composite wall structures have single distinguishing characteristics;
the anti-seismic unit is arranged between the window opening of the composite wallboard unit and the longitudinal column of the light steel frame, or between the door opening of the composite wallboard unit and the longitudinal column of the light steel frame.
2. The method for manufacturing a light steel frame composite wall structure with anti-seismic units according to claim 1, wherein the anti-lateral force and anti-torsion are calculated and analyzed according to anti-seismic design requirements, and the installation position of the anti-seismic unit is selected.
3. A method of manufacturing a light steel frame composite wall structure with earthquake-resistant units according to claim 1, wherein the earthquake-resistant units are installed at four corners of the light steel frame.
4. A method of manufacturing a light steel frame composite wall structure with earthquake-resistant units, as defined in claim 1, wherein the step of installing the composite wall panel units between the light steel frames comprises: the upper and lower parts of the composite wallboard unit are provided with tongues and grooves, and the composite wallboard unit and the light steel frame are connected through tongue and groove occlusion.
5. The method of manufacturing a light steel frame composite wall structure with earthquake-resistant units of claim 4, wherein the step of installing the composite wall panel unit between the light steel frames further comprises: the two sides of the composite wallboard unit are provided with extended reinforcing steel bars, and the composite wallboard unit and the light steel frame are connected by welding the reinforcing steel bars and the longitudinal columns of the light steel frame; or
The composite wallboard is characterized in that first connecting pieces are arranged on two sides of the composite wallboard unit, second connecting pieces are arranged on the inner sides of the longitudinal columns of the light steel frame, and the composite wallboard unit and the light steel frame are connected through the first connecting pieces and the second connecting pieces.
6. A method of manufacturing a light steel frame composite wall structure with earthquake-resistant units, as defined in claim 5, wherein the step of installing the composite wall panel units between the light steel frames further comprises: and filling light concrete in a gap formed after the composite wallboard unit is connected with the light steel frame.
7. The method for manufacturing a light steel frame composite wall structure with an earthquake-proof unit according to claim 1, wherein the composite wall panel unit is a sandwich structure, the middle layer is a polyphenyl plate sandwich, the two surface layers are both provided with steel wire meshes, and the polyphenyl sandwich is connected with the surface layers by crossing oblique ribs.
8. The method for manufacturing a light steel frame composite wall structure with an earthquake-proof unit according to claim 7, wherein the surface layer is light concrete prepared by foaming and manufacturing recycled fine stone aggregate, tailing sand, fly ash, cement and foaming agent.
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