CN214329436U - Steel frame net nest sandwich composite wall - Google Patents
Steel frame net nest sandwich composite wall Download PDFInfo
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- CN214329436U CN214329436U CN202022743485.7U CN202022743485U CN214329436U CN 214329436 U CN214329436 U CN 214329436U CN 202022743485 U CN202022743485 U CN 202022743485U CN 214329436 U CN214329436 U CN 214329436U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 98
- 239000010959 steel Substances 0.000 title claims abstract description 98
- 239000002131 composite material Substances 0.000 title claims abstract description 28
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- 238000004321 preservation Methods 0.000 claims abstract description 28
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- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
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Abstract
The utility model provides a steelframe net nest sandwich composite wall for assembly type structure, steelframe net nest sandwich composite wall includes light steel wall frame 1, the heat preservation sandwich panel 2 of centre, a plurality of connecting plate 3, a plurality of first self-tapping nail 4, both sides of inside and outside both sides have muscle steel mesh mould 5, a plurality of second self-tapping nail 6, ultralight thermal-insulation particle concrete 7 and anti-crack mortar surface course 8. The steel frame mesh nest sandwich composite wall body is a novel composite shear wall structure with the characteristics of light weight, high strength, heat preservation, fire prevention and the like, the components contained in the steel frame mesh nest sandwich composite wall body are easier to be standardized in design, automated production and light transportation, the assembling degree of site construction is obviously improved, the labor intensity is greatly reduced, the steel frame mesh nest sandwich composite wall body has the same thickness as that of a traditional building, and the steel frame mesh nest sandwich composite wall body is easier to popularize and apply.
Description
Technical Field
The utility model relates to a building field especially relates to a steelframe net nest sandwich composite wall for assembly type structure.
Background
The development of the building industry in China is extensive for a long time, the weight is not heavy, the consumption of steel, cement and red bricks is high at the first place of the world, and the development of the house industrialization process is still very slow in the first decade after the 21 st century. The consumption of resources and energy resources by the traditional building technology seriously supports the wealth of descendants of the Chinese, meanwhile, with the aging of population and the reduction of fertility, the labor cost continuously rises, and the construction cost continuously rises, so that the international competitiveness of Chinese building enterprises is gradually reduced, which is in sharp contrast with the identity of the large country of the Chinese manufacturing industry. Therefore, the traditional building needs industrial transformation urgently, and the industry is changed to the direction of heavy quality, heavy efficiency, heavy technology, low energy consumption and low pollution.
A series of policies are intensively issued in the late twelve and five countries to promote the rapid development of housing industrialization and building industrialization. The 'twelve five green buildings and green ecological region development plan' printed by the residential building department in 2013 firstly and definitely puts forward the accelerated formation of industrialized building systems such as fabricated concrete, steel structures and the like in China, the state department puts forward about 10 years of national force contention in 2016 so that the proportion of fabricated buildings to the newly built buildings reaches 30%, and the residential building department in 2017 further and definitely puts forward the proportion of fabricated buildings to the newly built buildings which accounts for more than 15% in 2020 all the country. In addition, a plurality of assembly type building construction and evaluation standards are issued one after another, matching policies are issued one after another in various provinces and regions to support the promotion of assembly type building implementation, the proportion target of the assembly type building in a newly built building is determined, and meanwhile, relevant subsidy and preferential policies are proposed.
Under the background of policy code adding and continuous upgrading of building technology, the area and the industry scale of the fabricated building in China are rapidly developed, but the subjective power of the fabricated building development in China is insufficient, and the method mainly comes from two reasons: firstly, the cost of the traditional cast-in-place building mode is still lower than that of an assembled building, and secondly, the traditional civil engineering construction enterprises and operators are more familiar with the cast-in-place process flow in the construction. The technical improvement of the assembly type building system taking a PC structure (precast concrete member) as the mainstream only considers the assembly of a construction layer, does not fully consider the time and labor cost of each link in the whole production and construction process, only finishes the steps of splitting the traditional cast-in-place building structure into structural members, then carrying out factory production, and then carrying out on-site assembly type installation, but causes the problems of low component standardization, large difference, large volume, long factory maintenance time, long culture period of qualified assemblers and the like, increases the difficulty of design, manufacture, transportation and installation, and increases the building cost on the contrary; the steel structure assembly type building cannot enjoy policy dividend in the years of the rapid development of the housing industrialization in China, and compared with a PC structure, the steel structure assembly type building has the advantages of higher industrialization degree, excellent anti-seismic performance, flexible structure, high housing rate and the like, but the steel structure in China is mainly applied to public buildings and industrial buildings, and the housing construction is less in application and mainly originates from three reasons: firstly, traditional civil engineering construction enterprises are more familiar with concrete technology and steel structure talents are relatively short, secondly, in high-rise residential projects, the price of a building with the same volume is 8% -15% higher than that of a PC structure by adopting a steel structure, and the concrete building is generally considered to be safer than the steel structure by the traditional concept of Chinese people.
SUMMERY OF THE UTILITY MODEL
Not enough to in the above-mentioned current assembly type building technique, the utility model provides a steel frame net nest sandwich composite wall.
The utility model discloses a steel frame net nest sandwich composite wall has taken the component lightweight, standardized and can assemble the design of change, adopt a cold-formed steel combination that has truss lattice structure turn-up punching press hole to be wall body frame, then press from both sides the one deck heated board and the wall body steel skeleton that has the muscle steel net mould to form sandwich structure in the nail of frame both sides with two-layer wall body frame, then pour into the novel mixed wall structure that has light, excel in, performances such as heat preservation and antidetonation that forms behind the light heat preservation particle concrete with professional equipment.
Wherein, the steel frame net nest sandwich composite wall body can comprise light steel wall body frames at the inner side and the outer side, a heat preservation sandwich plate in the middle, a plurality of connecting plates, a plurality of first self-tapping screws, reinforced steel net moulds at the two sides, a plurality of second self-tapping screws, ultra-light heat preservation granular concrete and an anti-crack mortar surface layer, the assembly sequence is that firstly two light steel wall frames are used for clamping the heat preservation sandwich plate in the middle, then a plurality of connecting plates are used for being pasted on the peripheral frames of the light steel wall frames at two sides, a plurality of first self-tapping screws penetrate through the connecting holes on the connecting plates to connect the light steel wall frames at two sides, then the ribbed steel mesh mold is attached to the outer surfaces of the light steel wall frames on the two sides and fixed by a plurality of second self-tapping nails, then ultra-light heat-preservation granular concrete is injected into the ultra-light heat-preservation granular concrete through the punching holes on the frames of the light steel wall frames on the two sides and filled by grouting equipment, and finally, an anti-crack mortar surface layer is uniformly coated outside the ribbed steel mesh mold to thoroughly cover steel and enable the wall surface to be smooth.
The light steel wall body frame is composed of a top and bottom keel, vertical keels and a plurality of third self-tapping screws, wherein the top and bottom keel forms an upper frame and a lower frame of the light steel wall body frame, the vertical keels are arranged between the top and bottom keel to form a left frame and a right frame of the wall body frame and an inner vertical supporting rod, the upper end and the lower end of each vertical keel are inserted into grooves of the top and bottom keel and are then fixedly connected through the third self-tapping screws, the vertical keels are arranged according to specified intervals in order to guarantee structural strength of the light steel wall body frame, and the intervals are usually specified to be less than or equal to 400 mm.
The cold-formed U-shaped steel with the truss grid structure curled edge stamping holes is adopted by the top and bottom keel, the stamping holes and the pressing grooves are uniformly distributed on the U-shaped steel, and a pumping pipe can be conveniently inserted when a pipeline is conveniently buried and grouting is carried out while excellent mechanical properties are achieved.
The vertical keel is made of cold-formed C-shaped steel with truss grid structure curled edge punching holes, the punching holes are uniformly distributed in the C-shaped steel, and the vertical keel has excellent mechanical properties, can conveniently bury pipelines and enables slurry filled into a frame to flow freely to fill other spaces.
The heat-insulating sandwich plate is usually made of rock wool plates or extruded sheets and the like with lower heat conductivity than lightweight concrete, so that the wall body can achieve a better energy-saving heat-insulating effect, the thickness of the heat-insulating sandwich plate can be adjusted according to different requirements of areas and energy conservation, for example, on the premise of 75% of energy conservation requirement, the heat-insulating sandwich plate can be made of 50mm extruded sheets in cold areas, and can be made of 100mm extruded sheets in severe cold areas, and meanwhile, the heat-insulating sandwich plate is positioned in the middle of the wall body and is completely wrapped by concrete materials on two sides to be isolated from the outside, so that the durability and the fire resistance of the heat-insulating material are ensured.
The ribbed steel mesh mold is fixed on the light steel wall frames on the two sides by a plurality of second self-tapping nails, the ribbed steel mesh mold is provided with a groove pressing rib which can replace transverse stress steel bars in the traditional building so as to enhance the horizontal shearing resistance of the wall frame, and then ultra-light heat-insulating granular concrete is poured into the light steel wall frame so as to form a light concrete shear wall structure, so that the light concrete shear wall structure has enough structural strength and earthquake resistance.
The utility model discloses a steel frame net nest sandwich composite wall, its beneficial effect is, press from both sides the heated board in the middle of two wall frame, the wall frame is filled with lightweight concrete, overcome the shortcoming that pastes the heated board on the wall surface and easily drops off and easily ages in traditional technology, saved the tedious process that the heated board bonded, the nailing and smeared, and adopt a kind of cold-formed steel combination that has truss lattice structure turn-up punching press hole to make the component of heat preservation, antidetonation composite wall be easier for automation, mass production and light transportation, and make the assembly and automation of site operation improve, greatly reduced intensity of labour, thereby solved the standardization of current assembly type building low, the component is big and heavy, the commonality is poor, the process time is long, the cost of transportation is high, the construction degree of difficulty is big scheduling problem, greatly saved the construction cost, and the concrete building has the same massive appearance as the traditional concrete building, so that the common people in China can accept the concrete building more easily.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 exemplarily shows a three-dimensional sectional structural view of a steel frame mesh nest sandwich composite wall for prefabricated buildings according to the present invention.
Fig. 2 is an exploded view of the steel frame net nest sandwich composite wall frame structure according to the present invention.
Fig. 3 exemplarily shows a three-dimensional structure diagram of a cold-formed U-shaped steel with truss lattice structure rolled edge punched holes of the present invention.
Fig. 4 exemplarily shows a three-dimensional structure diagram of a cold-formed C-section steel with truss lattice structure rolled edge punched holes of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steel frame net nest sandwich composite wall for the prefabricated building is described in detail below with reference to the attached drawings.
The first embodiment is as follows: as shown in figures 1 and 2, the steel frame net nest sandwich composite wall for the fabricated building comprises light steel wall frames 1 on the inner side and the outer side, a heat preservation sandwich plate 2 in the middle, a plurality of connecting plates 3, a plurality of first self-tapping screws 4, reinforcing steel net moulds 5 on the two sides, a plurality of second self-tapping screws 6, ultra-light heat preservation granular concrete 7 and an anti-cracking mortar surface layer 8, and is structurally characterized in that the heat preservation sandwich plate 2 is arranged between the two light steel wall frames 1, the plurality of connecting plates 3 are arranged on the peripheral frames of the two light steel wall frames 1, the plurality of first self-tapping screws 4 are arranged on the connecting plates 3 and used for connecting the two side wall frames 1, the reinforcing steel net moulds 5 are arranged on the outer surfaces of the two sides of the light steel wall frames 1, the plurality of second self-tapping screws 6 are arranged in reinforcing grooves of the reinforcing steel net moulds 5 and used for fixing, the lightweight ultra-heat preservation granular concrete 7 are poured in the reinforcing steel net moulds 5 and the light steel wall frames 1, the anti-crack mortar surface layer 8 is arranged on the outer side of the ribbed steel mesh mold 5 and serves as a wall protective layer and a leveling layer, the heat-insulation plate is clamped inside a wall structure by the steel mesh nest sandwich composite wall, the defects that the heat-insulation plate is stuck to the surface of a wall body in the traditional process and is easy to fall off and age are overcome, the complex processes of heat-insulation plate bonding, nailing and plastering are omitted, and meanwhile.
The second embodiment is as follows: the light steel wall frame 1 shown in fig. 2 is composed of a top and bottom keel 11, a vertical keel 12 and a plurality of third self-tapping screws 13, wherein the top and bottom keel 11 constitutes the upper and lower frames of the light steel wall frame 1, the plurality of vertical keels 12 are arranged between the top and bottom keel 11 to constitute the left and right frames and the internal vertical support rods of the wall frame, the upper and lower ends of the vertical keel 12 are inserted into the notches of the top and bottom keel 11, and then are connected and fixed by the plurality of third self-tapping screws 13, and in order to ensure the structural strength of the light steel wall frame 1, the plurality of vertical keels 12 are arranged according to a specified interval, and the interval is usually specified to be less than or equal to 400 mm.
The third concrete implementation mode: the ceiling keel 11 shown in fig. 2 and 3 is a cold-formed U-shaped steel with rolled punched holes of truss lattice structure, wherein the U-shaped steel has uniformly distributed punched holes and pressed grooves, and can be conveniently inserted into a pumping pipe during pipeline burying and grouting while having excellent mechanical properties.
The fourth concrete implementation mode: as shown in fig. 2 and 4, the mullion 12 is made of a cold-formed C-section steel having rolled punched holes of truss lattice structure, wherein the C-section steel has uniformly distributed punched holes, and can facilitate the pipeline burying and the free flow of slurry filled in the frame to fill other spaces while having excellent mechanical properties.
The fifth concrete implementation mode: as shown in fig. 2, the heat preservation sandwich panel 2 is made of rock wool board or extruded sheet and other materials with lower heat conductivity than lightweight concrete, so that the wall body can achieve better energy-saving heat preservation effect, the thickness of the heat preservation sandwich panel 2 can be adjusted according to different areas and energy-saving requirements, for example, on the premise of 75% energy-saving requirement, the heat preservation sandwich panel 2 can be made of 50mm extruded sheet in cold areas, and 100mm extruded sheet in severe cold areas, and meanwhile, because the heat preservation sandwich panel 2 is positioned in the middle of the wall body and is completely wrapped by the concrete materials at two sides and isolated from the outside, the durability and the fireproof performance of the heat preservation material are ensured.
The sixth specific implementation mode: as shown in fig. 1, the ribbed steel mesh formwork 5 is nailed on the light steel wall frames 1 at the two sides by a plurality of second self-tapping nails 6, the ribbed steel mesh formwork 5 is provided with a groove rib to replace a transverse stress steel bar in the traditional building, so that the horizontal shearing resistance of the wall frame is enhanced, and then the light concrete shear wall structure is formed after the ultra-light heat-preservation granular concrete 7 is poured into the light steel wall frame 1, so that the light concrete shear wall structure has enough structural strength and anti-seismic performance.
The utility model discloses a steelframe net nest sandwich composite wall body for prefabricated building has formulated for this kind of component that possess self preservation temperature, anti-seismic performance wall body changes in automation, mass production and light transportation, and makes the assembly of site operation and automatic improvement, has greatly reduced intensity of labour, thereby shortens the time limit for a project effectively, reduces comprehensive cost, and this steelframe net nest sandwich composite wall body more is favorable to the popularization and application of prefabricated building.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.
Claims (6)
1. A steel frame net nest sandwich composite wall is characterized by comprising light steel wall frames (1) on the inner side and the outer side, a heat-insulating sandwich plate (2) in the middle, a plurality of connecting plates (3), a plurality of first self-tapping screws (4), reinforcing steel net moulds (5) on the two sides, a plurality of second self-tapping screws (6), ultra-light heat-insulating granular concrete (7) and an anti-cracking mortar surface layer (8), wherein the heat-insulating sandwich plate (2) is arranged between the two light steel wall frames (1), the peripheral frames of the two light steel wall frames (1) are provided with the plurality of connecting plates (3), the connecting plates (3) are provided with the plurality of first self-tapping screws (4) for connecting the light steel wall frames (1) on the two sides, reinforcing steel net moulds (5) are arranged on the outer surfaces on the two sides of the light steel wall frames (1), the plurality of second self-tapping screws (6) are arranged in reinforcing steel net moulds (5) for fixing, the reinforced steel mesh mold (5) and the light steel wall body frame (1) are filled with ultra-light heat-insulating granular concrete (7), and the outer side of the reinforced steel mesh mold (5) is provided with an anti-crack mortar surface layer (8) as a wall body protective layer and a leveling layer.
2. The steel frame net nest sandwich composite wall body according to claim 1, wherein the light steel wall body frame (1) is composed of a top and bottom keel (11), a vertical keel (12) and a plurality of third self-tapping screws (13), wherein the top and bottom keel (11) forms the upper and lower frames of the light steel wall body frame (1), the vertical keels (12) are arranged between the top and bottom keel (11) to form the left and right frames and the inner vertical supporting rod of the wall body frame, the upper and lower ends of the vertical keel (12) are inserted into the notch of the top and bottom keel (11) and are connected and fixed by the third self-tapping screws (13), and the distance between the vertical keels (12) is set to be less than or equal to 400 mm.
3. The steel-framed mesh-nest sandwich composite wall according to claim 2, characterized in that the ceiling keel (11) is a cold-formed U-shaped steel with rolled punched holes of truss lattice structure, wherein the U-shaped steel has punched holes and pressed grooves distributed uniformly.
4. The sandwich composite wall with steel frame and net nest according to claim 2 is characterized in that the mullion (12) is made of a cold-formed C-section steel with rolled punched holes of truss lattice structure, wherein the C-section steel has punched holes and pressed grooves distributed uniformly.
5. The steel frame net nest sandwich composite wall body as claimed in claim 1, wherein the heat preservation sandwich plate (2) is made of rock wool plates or extruded sheets with lower heat conductivity coefficient than light concrete, so that the wall body can achieve better energy-saving and heat preservation effects, on the premise of 75% energy-saving requirement, the heat preservation sandwich plate (2) is made of 50mm extruded sheets in cold regions, and is made of 100mm extruded sheets in severe cold regions, and the heat preservation sandwich plate (2) is arranged in the middle of the wall body and is completely wrapped by concrete materials on two sides to be isolated from the outside.
6. The steel frame net nest sandwich composite wall body according to claim 1, characterized in that the ribbed steel net mold (5) is nailed on the upper light steel wall body frame (1) by a plurality of second self-tapping nails (6), the ribbed steel net mold (5) is provided with a channel rib to replace the transverse stress steel bar in the traditional building, the ultra-light heat preservation particle concrete (7) is arranged in the light steel wall body frame (1), and the ribbed steel net mold (5), the light steel wall body frame (1) and the ultra-light heat preservation particle concrete (7) form a light steel light concrete shear wall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022743485.7U CN214329436U (en) | 2020-11-24 | 2020-11-24 | Steel frame net nest sandwich composite wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022743485.7U CN214329436U (en) | 2020-11-24 | 2020-11-24 | Steel frame net nest sandwich composite wall |
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| CN214329436U true CN214329436U (en) | 2021-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991341A (en) * | 2022-07-13 | 2022-09-02 | 山西澳斯特建材有限公司 | Zero carbon building structure of assembled and heat preservation decoration integration wall body |
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2020
- 2020-11-24 CN CN202022743485.7U patent/CN214329436U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991341A (en) * | 2022-07-13 | 2022-09-02 | 山西澳斯特建材有限公司 | Zero carbon building structure of assembled and heat preservation decoration integration wall body |
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