CN215670510U - Light-weight form-removal-free multifunctional wall body for prefabricated building - Google Patents
Light-weight form-removal-free multifunctional wall body for prefabricated building Download PDFInfo
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Abstract
The utility model discloses a light-weight form-removal-free multifunctional wall body for an assembly type building, which comprises at least two wall body bearing frameworks arranged in rows, wherein prestress dispersion layers are symmetrically arranged on the peripheries of two sides of each wall body bearing framework, a cavity is formed between each prestress dispersion layer and each wall body bearing framework, a core layer filler is poured in the cavity, the core layer filler, the wall body bearing frameworks and the prestress dispersion layers are integrally formed in an injection molding mode, and a plurality of buffering and damping members are connected between every two adjacent wall body bearing frameworks. This application uses the bearing skeleton as the main structure, and the two-sided expansion net of tensile and buffering shock attenuation component are the structure of propping up, combines reinforced concrete pouring shaping again, need not to demolish the two-sided expansion net of tensile and buffering shock attenuation component after the shaping, not only can improve work efficiency, the reduction of erection time greatly, can rely on the two-sided expansion net of tensile and buffering shock attenuation component's combination to resist jointly by the various stresses that temperature, earthquake or other reasons produced moreover.
Description
Technical Field
The utility model relates to a wall, in particular to a light form-removal-free multifunctional wall for an assembly type building, and belongs to the technical field of wall structures of general fixed buildings.
Background
Generally, the early building wall is generally made of building blocks or brick walls, manual building is needed, the construction efficiency is low, the construction period is long, the construction environment is poor, the wall shape changes generally, and the earthquake resistance and crack resistance are poor.
Although the traditional wall body with the light steel structure meets various standard requirements, in practical application, because a plurality of performance indexes of the wall body are different from those of common concrete or masonry structures, the wall body is difficult to be completely accepted by users, for example, the wall body has poor heat preservation and sound insulation effects, a heavy object cannot be hung on the wall, the wall body feels weak, and the like; in addition, the traditional wall body with the light steel structure has complex installation procedures and high manufacturing cost, thereby not only consuming wood and being not beneficial to environmental protection, but also having low construction efficiency and long construction period.
The methods for manufacturing walls in buildings at present are roughly divided into three types, the first type is a masonry wall represented by baking-free bricks and building blocks, and the wall is wide in application, but low in construction precision and low in efficiency; the second type is a prefabricated wall represented by a concrete PC plate, which has heavy weight and large size, needs special heavy machines for production, transportation and installation, and has low efficiency and high cost; the third type is aerated building block masonry wall: the wall surface of the wall body is not easy to hang heavy objects, which brings trouble to the later-period installation of an air conditioner for users, and the reason is that the raw materials and process factors of the product cause the aerated concrete block to have soft texture; in addition, the wall body cracks, peels and falls off, water in the surface of the concrete building block is evaporated during production and maintenance, excessive water loss causes drying shrinkage, secondary hydration reaction causes the volume of the building block to expand during building, so that the wall surface cracks, after the building block is built and formed, the wall body needs to be leveled and plastered, the wall body cracks due to incompatibility of the property of the building block and the property of plastering mortar, and the surface layer falls off and peels off; in addition, the wall has poor sound insulation performance: the building blocks cause the sound insulation performance of the wall body to be poor due to factors such as gaps formed by a construction process during building, the construction procedures are multiple, the difficulty is high, the quality is difficult to control, the poor integrity of the wall surface is the defect that the concrete and the building blocks are added, and meanwhile, the wall body has the defects of poor sound insulation effect, and the wall body after the wall body is treated and complicatedly decorated in decoration and decoration is easy to peel off and fall off.
In addition, in the existing heat insulation and preservation technical measures of building walls, a method of 'rear-mounted and externally attached heat preservation layer' is basically adopted, and the heat preservation technology of the 'externally attached heat preservation layer' has the fatal defects of long construction period, high cost, easiness in material combustion, generation of public potential safety hazards and the like. Meanwhile, due to the structural level, the heat preservation technical measure adopts mortar bonding assisted with anchoring, so that the safety is low and the heat preservation material is easy to fall off; and influenced by the technology, climate, construction quality and heat insulation material characteristics, most heat insulation layers are difficult to have the same service life as the main structure, and heat insulation measures also need to be separately constructed, the construction is complicated, the quality is difficult to control, the service life is short, the later maintenance and repair are difficult, the secondary decoration cost is high, and the like.
Therefore, the key point for solving the technical problems is to develop a lightweight form-removal-free multifunctional wall body for an assembly type building, which has strong practicability and high safety and reliability.
Disclosure of Invention
Aiming at various defects and shortcomings in the prior art, the utility model is improved and innovated, and aims to provide a structure which takes a bearing framework as a main structure and a tensile double-sided expanded mesh and a buffering and damping member as supports, namely the bearing framework, the tensile double-sided expanded mesh and the buffering and damping member are cast and formed by combining reinforced concrete, and the tensile double-sided expanded mesh and the buffering and damping member are not required to be detached after forming, so that the working efficiency can be improved, the construction period can be greatly shortened, and various stresses generated by temperature, earthquake or other reasons can be resisted by combining the tensile double-sided expanded mesh and the buffering and damping member, therefore, the anti-seismic performance is good, the aim of preventing the wall from cracking easily can be achieved, and the service life of a building can be prolonged; the multifunctional wall body with good heat preservation and anti-seismic performance without the need of removing the template is achieved.
The utility model also aims to directly pour concrete into the low-cost wall formwork to form the wall without dismantling the formwork, thereby ensuring the construction safety and the construction quality, improving the strength of the wall on the one hand, reducing the construction procedures, improving the construction efficiency and reducing the construction cost on the other hand.
The utility model also aims to improve the mechanical strength of the disassembly-free template by the reinforced material layer, and the core layer filler is favorable for being bonded with the building body; the material, labor and construction period consumption in the process of formwork supporting and formwork removing in the traditional construction method are saved, the construction cost is reduced, and benefits are created for enterprises;
the utility model also aims to provide a wall body bearing framework, and a heavy object can be hung at any position on the wall, so the wall body bearing framework has the dual advantages of light weight and high strength, has firm and firm structure, has performance indexes which are not much different from those of common concrete or masonry structures, and can be completely accepted by users;
the utility model also aims to ensure that the wall heat-insulating layer is formed into a disassembly-free template layer of the wall due to the arrangement of the wall heat-insulating layer, and the pouring core layer filler of the wall fully wraps the wall heat-insulating layer to isolate external air and moisture, so that the service life of the wall heat-insulating layer is prolonged, a better fireproof effect is achieved, the coverage area of the wall heat-insulating layer is increased as much as possible, and the heat-insulating performance is improved;
the utility model also aims to achieve better sound insulation effect by arranging the wall sound absorption layer, and by means of the design of the plurality of grooves and the protrusions arranged on the wall heat insulation layer, partial pouring materials are poured into the plurality of grooves and the protrusions of the vertical wall heat insulation layer when the wall is poured, and the wall sound absorption layer and the wall heat insulation layer are poured to form an integral structure by means of the prestress dispersion layer, so that the bonding property and the adhesiveness between the wall sound absorption layer and the wall heat insulation layer are increased, and the performance of the wall heat insulation layer is improved;
the utility model also aims to further improve the adhesion between the wall sound absorption layer and the wall protection layer by means of the wall protection layer and the contact limit between the wall sound absorption layer and the wall protection layer, prevent the cracking phenomenon in the construction or later use process and prolong the service life of the whole wall;
the utility model also aims to weaken and digest the vertical pumping force during concrete filling and pouring in construction due to the arrangement of the buffer damping member, effectively ensure the safety of each component member in building filling construction, reduce the abrasion of each component member, ensure that each component member is not easy to deform or abrade, reduce the occurrence of mold explosion phenomenon during concrete pouring, and further prolong the service life of each component member of the wall body;
in order to solve the above problems and achieve the above objects, the present invention provides a lightweight form-removal-free multifunctional wall for prefabricated buildings, which is implemented by adopting the following design structures and the following technical solutions:
the utility model relates to an improvement of a light-weight non-stripping multifunctional wall body for an assembly type building, which comprises at least two wall body bearing frameworks (1) arranged in rows, wherein prestress dispersion layers (2) are symmetrically arranged on the peripheries of two sides of each wall body bearing framework (1), a cavity is formed between each prestress dispersion layer (2) and each wall body bearing framework (1), a core layer filler (3) is poured in the cavity, the core layer filler (3), the wall body bearing frameworks (1) and the prestress dispersion layers (2) are integrally molded by injection, so that the light-weight non-stripping multifunctional wall body is formed, and a plurality of buffer damping members (4) are connected between every two adjacent wall body bearing frameworks (1).
As the improvement of the utility model, the utility model also comprises a wall body heat-insulating layer (5), wherein the wall body heat-insulating layer (5) is closely attached to the outer side of the prestress dispersion layer (2).
As the further improvement of the utility model, the whole wall heat-insulating layer (5) is a plate-shaped body member, the cross section of the plate-shaped body member is wavy or zigzag, a heat-insulating cavity is formed, and the cavity is poured with the core layer filler (3).
As the further improvement of the utility model, a plurality of grooves and bulges are continuously distributed on the surfaces of both sides of the wall heat-insulating layer (5) at intervals, wherein a plurality of grout overflow holes (51) are respectively arranged in the middle parts of the grooves and the bulges, and each grout overflow hole (51) penetrates through the front and back surfaces of the grooves and the bulges.
As the above further improvement of the utility model, a plurality of prestressed reinforcement rods (52) are also arranged on the wall heat-insulating layer (5), and the prestressed reinforcement rods (52) are arranged between two adjacent bulges at intervals.
As the further improvement of the utility model, the sound-absorbing wall comprises a sound-absorbing wall layer (6), and the sound-absorbing wall layer (6) is closely attached to the outer side of the heat-insulating wall layer (5).
As the still further improvement of the utility model, the wall body heat insulation layer also comprises a wall body protection layer (7), and the wall body protection layer (7) is closely attached to the outer side of the prestress dispersion layer (2) or the outer side of the wall body heat insulation layer (5).
As the above-mentioned still further improvement of the utility model, the wall body load-bearing skeleton (1) is a stressed rib of the wall body, and the stressed rib is one or a mixture of any two of H-shaped steel, U-shaped steel, i-shaped steel, angle steel, square steel, round steel, C-shaped steel, Z-shaped steel and cross-shaped steel;
the prestress dispersing layer (2) is a double-faced expanded mesh, a steel plate mesh, a steel wire mesh sheet, a galvanized steel wire mesh or a reinforced metal mesh sheet or an anti-cracking fireproof steel bar mesh sheet.
As a further improvement of the utility model, a plurality of mounting holes (11) are arranged on each wall body bearing framework (1), and opposite-pull reinforcing rods (8) are transversely inserted into the mounting holes.
As a still further improvement of the utility model, the core layer filler (3) is foam concrete or high-strength lightweight polyphenyl granule concrete; a cement-based heat-preservation and noise-elimination layer, a metal plate layer, a rock wool plate layer, a damping layer, a waterproof layer and a stress dispersion layer are arranged in the foam concrete or the high-strength light polyphenyl particle concrete, and the cement-based heat-preservation and noise-elimination layer, the metal plate layer, the rock wool plate layer, the waterproof layer and the stress dispersion layer are sequentially laminated or mixed together;
the buffer damping component (4) is a damping spring.
The working principle is as follows: before the lightweight form-removal-free multifunctional wall body with the design structure is used, a plurality of wall body bearing frameworks (1), prestress dispersing layers (2) and buffering and damping members (4) which are processed in advance need to be carried to a processing site manually or through corresponding carrying devices to be installed for use.
During installation, firstly, construction preparation is carried out: cleaning a base layer by constructors, wherein when cleaning, the constructors clean the ground ash and the garbage on the ground or the base layer of the floor; then, popping the axis of the wall, the width line of the wall and the position of a wall bearing framework (1) on the ground or the top surface of a floor by ink lines according to the given axis and the wall size marked on a drawing; then, constructors install the wall bearing framework (1): the prefabricated wall body bearing frameworks (1) are hoisted to a designated ground or floor position and then are installed in place, when in installation, a plurality of wall body bearing frameworks (1) are sequentially installed on the ground or floor base layer in rows through high-strength bolts to form a whole according to the length required by the wall body, so as to form a required complete wall body, and then the upper end and the lower end of the wall body are connected with corresponding buildings into a whole through bolts; then, a plurality of buffer damping members (4) are connected between two adjacent wall body bearing frameworks (1), the buffer damping members (4) are welded and connected with the wall body bearing frameworks (1), then, prestress dispersion layers (2) are symmetrically arranged on the peripheries of the two sides of each wall body bearing framework (1), the prestress dispersion layers (2) are symmetrically welded and connected with the two sides of each wall body bearing framework (1) according to the actual length requirement of the wall body, the prestress dispersion layers (2) are adjusted and then are welded or bound, after welding and binding are completed, a cavity is formed between each prestress dispersion layer (2) and each wall body bearing framework (1), the cavity is a continuous casting cavity, a core layer filler (3) is cast in the cavity, and the core layer filler (3) is integrally molded with the wall body bearing frameworks (1) and the prestress dispersion layers (2), forming a light-weight non-demolition-molded multifunctional wall body, and then laying pipelines and filling fillers (1); final filling (1) filling: determining the laying position of each part to be accurate; and (3) respectively pouring the filler (1) into the cavity along two sides of the top of the cavity by corresponding grouting equipment in a uniformly layered or continuous pouring manner, solidifying, curing and forming, and making decorative surface layers on the inner surface and the outer surface of the wall after curing meets the preset strength requirement to form the lightweight form-removal-free multifunctional wall for the fabricated building.
In the whole implementation operation process, the wall body bearing framework (1) is connected with the ground or the floor in a fixing mode of bonding, welding, riveting or bolt connection; the core layer filler (3) filled or poured is one or a mixture of more of foam concrete, ceramsite concrete, polyphenyl particle foam concrete, extruded polystyrene board, polystyrene foam plastic board, common concrete, foamed concrete, light concrete, EPS particle concrete or foamed polyurethane, the core layer filler (3) forms a final assembled composite wall body after forming the strength, and the assembled composite wall body does not need to be demolded, plastering and leveling and can be directly brushed, pasted with wall paper and externally hung plates.
Preferably, during filling or pouring, backfilling is carried out in a layered filling, vibrating and compacting mode, wherein vibrating is carried out by using an inserted vibrator, and vibrating time is 5-10 s; when the self-sealing concrete is poured among a plurality of pouring points, a next layer of self-sealing concrete is poured before the initial setting of the self-sealing concrete of the front layer, the self-sealing concrete is observed in time when being poured, and the self-sealing concrete is immediately blocked after being filled so as to prevent the loss of slurry.
Preferably, in order to achieve the purpose of smooth surface when the self-sealing concrete is poured, the wall formwork is vibrated in an auxiliary mode outside the wall formwork, and the auxiliary vibration mode adopts a leather hammer, a small flat vibrator or a vibrating rod to vibrate from bottom to top along with the pouring of the self-sealing concrete; when the middle part of a hidden column or a composite shear wall with a complex steel bar structure is poured, a small vibrating rod is adopted for proper insertion and tamping, various parts cannot be touched during insertion and tamping, and meanwhile, when layered pouring is adopted, the pouring height is not more than 1.5 m each time.
Compared with the prior art, the utility model has the following beneficial effects:
1. after the scheme is adopted, the multifunctional wall body is in a structure with the bearing framework as a main structure and the tensile double-sided expansion net and the buffering and damping member as branches, namely the bearing framework, the tensile double-sided expansion net and the buffering and damping member are cast and formed by combining reinforced concrete, and the tensile double-sided expansion net and the buffering and damping member do not need to be detached after forming, so that the working efficiency can be improved, the construction period can be greatly shortened, and various stresses generated by temperature, earthquakes or other reasons can be resisted by combining the tensile double-sided expansion net and the buffering and damping member together, therefore, the anti-seismic performance is good, the aim of preventing the wall body from cracking easily can be fulfilled, and the service life of a building can be prolonged;
2. the reinforcing material layer can improve the mechanical strength of the disassembly-free template, the core layer filler is favorable for being bonded with the building body, and the prestress dispersing layer and the buffering and damping member provided by the utility model are simultaneously built with a wall body when being used for constructing the column template, so that a space for pouring concrete is naturally formed; the material, labor and construction period consumption in the process of formwork supporting and formwork removing in the traditional construction method are saved, the construction cost is reduced, and benefits are created for enterprises;
3. the utility model has the advantages of firm and firm structure, performance index which is not much different from that of common concrete or masonry structure, and can be completely accepted by users, simple installation procedure, quick construction, low cost, good earthquake resistance, convenient pipeline arrangement, accordance with the policy of the building industry in China, and suitability for low-rise, multi-rise or high-rise building;
4. the wall heat-insulating layer is arranged, so that the wall heat-insulating layer is formed into the disassembly-free template layer of the wall, and the pouring core layer filler of the wall fully wraps the wall heat-insulating layer to isolate external air and moisture, so that the service life of the wall heat-insulating layer is prolonged, a better fireproof effect is achieved, the coverage area of the wall heat-insulating layer is improved as much as possible, and the heat-insulating performance is improved;
4. according to the utility model, the sound-absorbing layer of the wall body is arranged, so that a good sound-insulating effect is achieved, partial pouring materials are poured into the grooves and the protrusions of the vertical wall body heat-insulating layer when the wall body is poured by means of the design of the grooves and the protrusions arranged on the wall body heat-insulating layer, and the wall body sound-absorbing layer and the wall body heat-insulating layer are poured to form an integral structure by means of the prestress dispersion layer, so that the attaching property and the bonding property between the wall body sound-absorbing layer and the wall body heat-insulating layer are increased, and the performance of the wall body heat-insulating layer is improved;
5. the wall body protective layer is arranged, and the contact limit between the wall body protective layer and the wall body sound absorption layer is realized, so that the adhesion between the wall body sound absorption layer and the wall body protective layer is further improved, the cracking phenomenon is prevented in the construction or later use process, and the service life of the whole wall body is prolonged;
6. because the buffering and damping member is arranged, the vertical pumping force during concrete filling and pouring in construction is weakened and digested, the abrasion of each component part is reduced while the safety of each component part in building filling construction is effectively ensured, each component part is not easy to deform or abrade, the occurrence of a mold explosion phenomenon during concrete pouring is reduced, and the service life of each component part of the wall body is prolonged;
7. the wall body participates in structural stress and improves the structural anti-seismic performance, the built-in foamed concrete of the wall body is filled into the plurality of prestress dispersing layers and the plurality of buffering and damping members, mutually transmits load with the wall body bearing framework, can be used as a stress member and participates in the main body structure stress, provides rigidity and bearing capacity for the main body structure, improves the anti-seismic capacity of the whole wall body structure, and reduces the design strength and cost of the wall body member; meanwhile, the shear resistance and integrity of the simple wall are greatly improved, and the simple wall has the advantages of good integrity, excellent seismic resistance, stronger bonding shear resistance and the like;
8. by arranging the prestress dispersing layer and the buffering and damping member, the interlayer stress which is possibly generated is effectively eliminated or prevented, and the stability of the performance of the wall body is ensured; the bearing capacity of the whole wall body is improved, the self weight of the structure is reduced, the labor intensity of operators in carrying is reduced, and the construction speed is accelerated;
9. the stress dispersion layer and the wall sound absorption layer are of a net structure consisting of a plurality of crossed transverse reinforcing steel bars and longitudinal reinforcing steel bars, and the net structure is formed, so that the anti-crack reinforcing steel bar net structure is integrally stressed, the anti-strain capacity of the cast-in-place concrete wall can be improved, the aim of preventing the wall corner of the concrete wall from cracking is fulfilled, and meanwhile, the stress stability is stronger, the concentrated stress at the wall corner is dispersed and attenuated by adding the reinforcing member on the stress dispersion layer, and the better anti-strain capacity is realized, so that the cast-in-place concrete wall has a better effect of preventing the wall from cracking. In addition, the stress dispersion layer of the utility model has fixed shape, meets the requirement of factory batch production, and is convenient for construction, thereby shortening the construction period, reducing the cost and having good forming effect of wall finished products;
10. because the wall body protective layer is arranged, the bearing capacity and the rigidity of the wall body are increased, the restriction of the side part of the wall body bearing framework on concrete is increased, the deformation of the wall body is delayed, and the quality of the wall body is also ensured;
11. the middle of the wall body bearing framework can be provided with a water and electricity pipeline, and the front side and the back side of the prestress dispersion layer are poured with polystyrene foam concrete to form a firm wall body;
12. the construction speed is higher, the constructed frame has higher precision, the frame can be assembled by local workers, the special skill is not needed, the structural design of the wall body bearing framework with the mounting holes can facilitate the pipeline to pass through for arrangement, and meanwhile, the structural stability is kept;
13. the transverse counter-pulling reinforcing rods are arranged, so that the mechanical property of the wall body is obviously improved, the application of the transverse counter-pulling reinforcing rods is wide, the finished wall body can be applied to a bearing wall and a shear wall, the technical scheme provided by the utility model changes the prior construction wall body technical method, the traditional construction industry and the manufacturing industry are fully integrated, the construction quality and efficiency are greatly improved, the development direction of the construction industry is met, and the transverse counter-pulling reinforcing rods have wide market prospect;
14. the wall body is simple in structure, the total cost of the building interior wall is reduced, the construction progress is improved, the construction period is shortened, the labor cost is reduced, the construction waste generated in the traditional construction is reduced, and the feasibility of the technical application has important significance for building energy conservation and environmental protection;
15. the utility model not only has the advantages of good construction quality, reliable structure and good stability, but also has the advantages of simple technology, high on-site installation efficiency, reliable engineering quality, short construction period, low labor intensity and the like, and labor can be arranged to carry out construction simultaneously by adopting the utility model; the material can be processed in a material processing field, and the assembly work can be directly carried out on the field, so that the construction period is saved; the construction quality can completely meet the design requirement;
16. the wall bearing framework is provided with the continuous mounting holes, so that the installation of components and the arrangement of water and electricity pipelines are facilitated, the adaptability is strong, various cross sections in different shapes can be formed by combination, the requirements of steel structure buildings are met, materials are saved, and the cost is reduced;
17. the novel building material foamed concrete is adopted, a large number of closed hole structures are arranged in the foamed concrete, the lightweight, heat preservation and heat insulation of the building filling material are realized, the novel lightweight heat insulation material is a novel lightweight heat insulation material, the weight of the component is obviously reduced, the transportation and the installation are convenient, and meanwhile, the foamed concrete has the advantages of sound insulation, fire resistance, water resistance, environmental protection, good heat preservation and fire prevention effects and good sound insulation and heat insulation effects.
Drawings
Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is one of the overall structural schematic diagrams of the present invention;
FIG. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the overall structure of another design of the present invention;
FIG. 4 is one of the overall structural schematic diagrams of yet another design of the present invention;
FIG. 5 is a schematic overall exploded view of yet another design of the present invention;
FIG. 6 is a second schematic diagram of the overall structure of the present invention using yet another design;
FIG. 7 is a third schematic diagram of the overall structure of yet another design structure of the present invention;
FIG. 8 is a fourth schematic diagram of the overall structure of yet another design structure of the present invention;
FIG. 9 is a fifth schematic view of the overall structure of yet another design of the present invention;
FIG. 10 is a sixth schematic view of another embodiment of the present invention;
FIG. 11 is a seventh schematic diagram of the overall structure of yet another design of the present invention;
FIG. 12 is an eighth schematic block diagram of a further alternative design according to the present invention;
FIG. 13 is a schematic view of the connection between the wall load-bearing framework (1) and the damping member (4);
FIG. 14 is a partial cross-sectional view of the utility model;
FIG. 15 is a schematic view of the overall structure of the wall sound-absorbing layer (6) component of the present invention;
FIG. 16 is a schematic view showing the connection between the wall insulation layer (5) and the wall sound absorption layer (6) according to the present invention;
FIG. 17 is a schematic view of the connection between the counter-pulling reinforcing rods (8) and the wall bearing framework (1) of the utility model;
FIG. 18 is a schematic view showing the overall structure of the wall insulation (5) component of the present invention;
FIG. 19 is a schematic product configuration of the wall of the present invention;
wherein, the reference numbers in the figures: 1-wall bearing framework, 11-mounting hole;
2-a pre-stress dispersion layer;
3-core layer filler;
4-a cushioning shock-absorbing member;
5-wall insulation layer, 51-grout overflow hole, 52-prestress reinforcing rod;
6, a wall sound absorption layer;
7, a wall protective layer;
8-pair of pull reinforcing rods.
Detailed Description
In order to make the technical means, the inventive features, the achievement purposes and the effects of the present invention easy to understand, the technical solutions of the present invention are further described in detail with reference to the drawings and the detailed description below, and it is to be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The light-weight demolding-free multifunctional wall body for the fabricated building comprises at least two wall body bearing frameworks 1 arranged in rows, wherein prestress dispersion layers 2 are symmetrically arranged on the peripheries of two sides of each wall body bearing framework 1, a cavity is formed between each prestress dispersion layer 2 and each wall body bearing framework 1, a core layer filler 3 is poured in the cavity, the core layer filler 3, the wall body bearing frameworks 1 and the prestress dispersion layers 2 are integrally molded in an injection mode to form the light-weight demolding-free multifunctional wall body, and a plurality of buffering and damping members 4 are connected between every two adjacent wall body bearing frameworks 1.
Further, the device also comprises a wall heat-insulating layer 5, wherein the wall heat-insulating layer 5 is closely attached to the outer side of the prestress dispersion layer 2.
The wall heat-insulating layer 5 is a plate-shaped member integrally, the cross section of the plate-shaped member is wavy or zigzag, a heat-insulating cavity is formed, and a core layer filler 3 is poured in the cavity.
Further, a plurality of grooves and protrusions are continuously distributed on the surfaces of the two sides of the wall heat-insulating layer 5 at intervals, wherein a plurality of slurry overflow holes 51 are formed in the middle of each groove and each protrusion, and each slurry overflow hole 51 penetrates through the front and back surfaces of each groove and each protrusion.
Specifically, the wall insulation layer 5 is further provided with a plurality of prestressed reinforcement rods 52, and the prestressed reinforcement rods 52 are arranged between two adjacent protrusions at intervals.
In the present invention, the prestressed reinforcement bar 52 is integrally a rod-shaped body member, which is a short reinforcing bar; the bulge plays a role in structure reinforcement, so that the weight of the material is reduced to a greater extent, and the structural strength is enhanced; the plurality of grout holes 51 may be identical or different in shape and size.
More specifically, the sound insulation wall comprises a wall sound absorption layer 6, and the wall sound absorption layer 6 is closely attached to the outer side of the wall heat insulation layer 5.
In the utility model, the wall heat-insulating layer 5 is a double-faced expanded mesh, a steel plate mesh, a steel wire mesh sheet, a galvanized steel wire mesh, a reinforced metal mesh sheet or an anti-cracking fireproof steel mesh sheet.
More specifically, the wall body heat insulation layer is further provided with a wall body protective layer 7, and the wall body protective layer 7 is closely attached to the outer side of the prestress dispersion layer 2 or the outer side of the wall body heat insulation layer 5.
In the utility model, the wall protective layer 7 is a plate-shaped formwork or a cement mortar layer.
Further, the wall load-bearing framework 1 is a stress bar of the wall, and the stress bar is one of or a mixture of any two of H-shaped steel, U-shaped steel, I-shaped steel, angle steel, square steel, round steel, C-shaped steel, Z-shaped steel and cross-shaped steel;
the prestress dispersing layer 2 is a double-faced expanded mesh, a steel plate mesh, a steel wire mesh sheet, a galvanized steel wire mesh or a reinforced metal mesh sheet or an anti-cracking fireproof steel bar mesh sheet.
Furthermore, a plurality of mounting holes 11 are formed in each wall body bearing framework 1, and opposite-pull reinforcing rods 8 transversely penetrate into the mounting holes.
Further, the core layer filler 3 is foam concrete or high-strength light polyphenyl granule concrete; a cement-based heat-preservation and noise-elimination layer, a metal plate layer, a rock wool plate layer, a damping layer, a waterproof layer and a stress dispersion layer are arranged in the foam concrete or the high-strength light polyphenyl particle concrete, and the cement-based heat-preservation and noise-elimination layer, the metal plate layer, the rock wool plate layer, the waterproof layer and the stress dispersion layer are sequentially laminated or mixed together;
the buffer and shock-absorbing member 4 is a shock-absorbing spring.
In the present invention, the core filler 3 includes, but is not limited to, all known wall filling materials such as: common concrete, self-compacting concrete, foam concrete, ceramsite concrete, polyphenyl granule foam concrete, extruded polystyrene board, polystyrene foam plastic board, foamed polyurethane and the like, and the filler 6 can also be one or a mixture of more of the above filler materials.
Furthermore, a wall body bearing framework 1, a prestress dispersion layer 2 and a buffering and damping component 4 are arranged
And an injection molding layer, a waterproof layer and an anti-rust layer are sequentially sprayed on the outer surfaces of the wall heat-insulating layer 5, the wall sound absorption layer 6, the wall protective layer 7 and the counter-pull reinforcing rod 8 from inside to outside.
Specifically, a high-molecular wear-resistant material is injected on the injection molding layer; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the waterproof layer is polyurethane waterproof paint.
In the utility model, the material of the wall heat-insulating layer 5 and the wall protective layer 7 can be fiber concrete, common concrete, a wood mold, a plastic film, a steel mold and an aluminum mold, wherein the fiber concrete template and the common concrete template are permanent templates, and the wood mold, the plastic film, the steel mold and the aluminum mold are non-permanent templates.
Meanwhile, in the utility model, the connection is fixed connection or movable connection or detachable connection, wherein the fixed connection is welded connection or is directly processed into an integrally formed structure; the movable connection or the detachable connection is hinged connection, threaded connection, bayonet connection, plug connection or bolt component connection or screw connection.
To sum up, the more specific embodiments of the present invention are:
example 1
Before the lightweight form-removal-free multifunctional wall body for the fabricated building with the design structure is used, a plurality of wall body bearing frameworks 1, prestress dispersing layers 2 and buffering and damping members 4 which are processed in advance need to be carried to a processing site manually or through corresponding carrying devices to be installed for use.
During installation, firstly, construction preparation is carried out: cleaning a base layer by constructors, wherein when cleaning, the constructors clean the ground ash and the garbage on the ground or the base layer of the floor; then, popping the axis of the wall, the width line of the wall and the position of a wall bearing framework 1 on the ground or the top surface of a floor by ink lines according to the given axis and the wall size marked on a drawing; then, constructors install the wall bearing framework 1: the prefabricated wall body bearing frameworks 1 are hoisted to a designated ground or floor position and then installed in place, when in installation, a plurality of wall body bearing frameworks 1 are sequentially installed on the ground or floor base layer in rows through high-strength bolts according to the length required by the wall body to form a whole, so as to form a required complete wall body, and then the upper end and the lower end of the wall body are connected with corresponding buildings into a whole through bolts; then, a plurality of buffer damping members 4 are connected between two adjacent wall body bearing frameworks 1, the buffer damping members 4 are welded and connected with the wall body bearing frameworks 1, and then, the peripheries of two sides of each wall body bearing framework 1 are symmetrically provided with prestress dispersion layers 2, the prestress dispersion layers 2 are symmetrically welded and connected on the two sides of the wall body bearing framework 1 according to the actual length requirement of the wall body, and the prestress dispersion layer 2 is adjusted and then is welded or bound, after welding and binding are finished, a cavity is formed between the prestress dispersion layer 2 and the wall body bearing framework 1, the cavity is a continuous casting cavity, a core layer filler 3 is cast in the cavity, the core layer filler 3, the wall body bearing framework 1 and the prestress dispersion layer 2 are molded into a whole by injection to form the light-weight mold-removal-free multifunctional wall body, and then pipeline laying and filler 1 filling are carried out; final fill 1 fill: determining the laying position of each part to be accurate; and (3) respectively pouring the filler 1 into the cavity along two sides of the top of the cavity by corresponding grouting equipment in a uniformly layered or continuous pouring manner, solidifying, curing and forming, and making decorative surface layers on the inner surface and the outer surface of the wall after curing meets the preset strength requirement to form the lightweight form-removal-free multifunctional wall for the prefabricated building.
In the whole implementation operation process, the wall body bearing framework 1 is connected with the ground or the floor in a fixing mode of bonding, welding, riveting or bolt connection; the core layer filler 3 filled or poured is one or a mixture of more of foam concrete, ceramsite concrete, polyphenyl particle foam concrete, extruded polystyrene board, polystyrene foam plastic board, common concrete, foamed concrete, light concrete, EPS particle concrete or foamed polyurethane, the core layer filler 3 forms the final assembled composite wall body after forming the strength, and the assembled composite wall body does not need to be demolded, does not need to be plastered and leveled, and can be directly brushed with paint, wallpaper and an external hanging board.
Preferably, during filling or pouring, backfilling is carried out in a layered filling, vibrating and compacting mode, wherein vibrating is carried out by using an inserted vibrator, and vibrating time is 5-10 s; when the self-sealing concrete is poured among a plurality of pouring points, a next layer of self-sealing concrete is poured before the initial setting of the self-sealing concrete of the front layer, the self-sealing concrete is observed in time when being poured, and the self-sealing concrete is immediately blocked after being filled so as to prevent the loss of slurry.
Preferably, in order to achieve the purpose of smooth surface when the self-sealing concrete is poured, the wall formwork is vibrated in an auxiliary mode outside the wall formwork, and the auxiliary vibration mode adopts a leather hammer, a small flat vibrator or a vibrating rod to vibrate from bottom to top along with the pouring of the self-sealing concrete; when the middle part of a hidden column or a composite shear wall with a complex steel bar structure is poured, a small vibrating rod is adopted for proper insertion and tamping, various parts cannot be touched during insertion and tamping, and meanwhile, when layered pouring is adopted, the pouring height is not more than 1.5 m each time.
Example 2
The embodiment 2 is basically the same as the embodiment 1, except that in the embodiment 2, a wall insulating layer 5 is additionally arranged on the basis of the embodiment 1, and the wall insulating layer 5 is closely attached to the outer side of the prestress dispersion layer 2.
The wall heat-insulating layer 5 is a plate-shaped member integrally, the cross section of the plate-shaped member is wavy or zigzag, a heat-insulating cavity is formed, and a core layer filler 3 is poured in the cavity.
Further, a plurality of grooves and protrusions are continuously distributed on the surfaces of the two sides of the wall heat-insulating layer 5 at intervals, wherein a plurality of slurry overflow holes 51 are formed in the middle of each groove and each protrusion, and each slurry overflow hole 51 penetrates through the front and back surfaces of each groove and each protrusion.
Specifically, the wall insulation layer 5 is further provided with a plurality of prestressed reinforcement rods 52, and the prestressed reinforcement rods 52 are arranged between two adjacent protrusions at intervals.
In the present invention, the prestressed reinforcement bar 52 is integrally a rod-shaped body member, which is a short reinforcing bar; the bulge plays a role in structure reinforcement, so that the weight of the material is reduced to a greater extent, and the structural strength is enhanced; the plurality of grout holes 51 may be identical or different in shape and size.
In this embodiment 2, owing to be provided with the wall body heat preservation for the wall body heat preservation forms the exempting from to tear open the template layer of wall body, and the pouring sandwich layer filler of wall body fully wraps up the wall body heat preservation, and isolated outside air and moisture prolong the wall body heat preservation life-span, play better fire prevention effect, improve the coverage area of wall body heat preservation as far as possible, improve thermal insulation performance.
The specific construction operation flow of embodiment 2 is the same as that of embodiment 1, and is not described herein again.
Example 3
The embodiment 3 is basically the same as the embodiments 1 and 2, and the only difference is that in the embodiment 3, a wall sound absorption layer 6 is additionally arranged on the basis of the embodiment 2, and the wall sound absorption layer 6 is closely attached to the outer side of a wall heat insulation layer 5.
In embodiment 3, the sound insulation effect is better due to the arrangement of the wall sound absorption layer, and by means of the design of the plurality of grooves and the plurality of protrusions arranged on the wall heat insulation layer, a part of pouring materials are poured into the plurality of grooves and the plurality of protrusions of the vertical wall heat insulation layer when the wall is poured, and the wall sound absorption layer and the wall heat insulation layer are poured to form an integral structure by means of the prestress dispersion layer, so that the adhesion and the adhesiveness between the wall sound absorption layer and the wall heat insulation layer are improved, and the performance of the wall heat insulation layer is improved.
The specific construction operation flow of embodiment 3 is the same as that of embodiments 1 and 2, and is not described again here.
Example 4
The embodiment 4 is basically the same as the embodiments 1 to 3, except that in the embodiment 4, a wall protection layer 7 is additionally arranged on the basis of the embodiments 1 and 2, and the wall protection layer 7 is closely attached to the outer side of the prestress dispersion layer 2 or the outer side of the wall insulation layer 5.
In the embodiment 4, the wall protective layer is arranged and limited by contact with the wall sound absorption layer, so that the adhesion between the wall sound absorption layer and the wall protective layer is further improved, the cracking phenomenon is prevented during construction or later use, and the service life of the whole wall is prolonged; therefore, the bearing capacity and the rigidity of the wall are increased, the restriction of the side part of the wall bearing framework on concrete is increased, the deformation of the wall is delayed, and the quality of the wall is ensured;
the specific construction operation flow of embodiment 4 is the same as that of embodiments 1, 2 and 3, and is not described again here.
Meanwhile, in the embodiments 1 to 4, the wall body of the utility model participates in structural stress and improves the structural earthquake resistance, the built-in foamed concrete of the wall body of the utility model is filled into the plurality of prestress dispersing layers and the plurality of buffering and damping members, and mutually transmits load with the wall body bearing framework, and can be used as a stress member to participate in the stress of the main body structure, so as to provide rigidity and bearing capacity for the main body structure, improve the earthquake resistance of the whole wall body structure and reduce the design strength and cost of the wall body member; meanwhile, the shear resistance and integrity of the simple wall are greatly improved, and the simple wall has the advantages of good integrity, excellent seismic resistance, stronger bonding shear resistance and the like; and because the buffering and damping member is arranged, the vertical pumping force during concrete filling and pouring in construction is weakened and digested, the abrasion of each component part is reduced while the safety of each component part in building filling construction is effectively ensured, each component part is not easy to deform or abrade, the occurrence of a mold explosion phenomenon during concrete pouring is reduced, and the service life of each component part of the wall body is prolonged.
In summary, the present invention has the following advantages in the embodiments:
1. the utility model has simple structure, novel design, high prefabrication degree, higher assembly rate and smaller wall thickness, and can increase the use space; the integrity and the ductility are good; the bearing capacity is higher, the durability is better, the damage in the construction stage can be avoided, the heat-preservation, anti-seismic and energy-saving effects are achieved, and the heat-preservation, anti-seismic and bearing integration of the wall body is really realized;
2. the method is easy to operate, easy to understand and learn by workers, simple and efficient in manufacturing procedure, avoids using other special tools and carrying out special training on the workers, and improves the integrity and compactness of the wall body and avoids forming cold or hot bridges by adopting a pouring mode;
3. the novel building material foamed concrete is adopted, a large number of closed hole structures are arranged in the foamed concrete, the lightweight, heat preservation and heat insulation of the building filling material are realized, the novel lightweight heat insulation material is a novel lightweight heat insulation material, the weight of the component is obviously reduced, the transportation and the installation are convenient, and meanwhile, the foamed concrete has the advantages of sound insulation, fire resistance, water resistance, environmental protection, good heat preservation and fire prevention effects and good sound insulation and heat insulation effects;
4. the vibration-free concrete can save labor cost, simultaneously has simple operation process and high production efficiency of wall production, and has low investment cost of process machinery without vibration, low on-site noise and stable product quality;
5. the utility model has simple manufacturing and production process, reduces construction procedures, wall body cost and environmental pollution, can realize industrial production of buildings, has good economic benefit and environmental protection benefit, and is worth popularizing;
6. the exterior of each wall body component is coated with the antirust paint and the waterproof layer, so that the service life of the whole device is prolonged while rusting is prevented, and the resources are saved while environmental protection is realized.
Finally, although the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made thereto within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a multi-functional wall body of form removal is exempted from to light for prefabricated building which characterized in that: the light-weight mold-removal-free multifunctional wall comprises at least two wall body bearing frameworks (1) arranged in rows, wherein prestress dispersion layers (2) are symmetrically arranged on the peripheries of the two sides of each wall body bearing framework (1), a cavity is formed between each prestress dispersion layer (2) and each wall body bearing framework (1), a core layer filler (3) is poured in the cavity, the core layer filler (3) is integrally molded with the wall body bearing frameworks (1) and the prestress dispersion layers (2) in an injection mode, and a plurality of buffering and damping members (4) are connected between every two adjacent wall body bearing frameworks (1).
2. The lightweight form-removal-free multifunctional wall body for the fabricated building according to claim 1, wherein: the wall heat-insulating layer (5) is closely attached to the outer side of the prestress dispersion layer (2).
3. The lightweight form-removal-free multifunctional wall body for the fabricated building as claimed in claim 2, wherein: the wall heat-insulating layer (5) is integrally a plate-shaped member, the cross section of the plate-shaped member is wavy or zigzag, a heat-insulating cavity is formed, and a core layer filler (3) is poured in the cavity.
4. The lightweight form-removal-free multifunctional wall body for the fabricated building according to claim 1, wherein: the wall insulation layer (5) is characterized in that a plurality of grooves and bulges are continuously distributed on the surfaces of the two sides of the wall insulation layer at intervals, wherein a plurality of slurry overflow holes (51) are formed in the middle of each groove and each bulge, and each slurry overflow hole (51) penetrates through the front side and the back side of each groove and each bulge.
5. The lightweight form-removal-free multifunctional wall body for the fabricated building according to claim 4, wherein: the wall heat-insulating layer (5) is also provided with a plurality of prestressed reinforcing rods (52), and the prestressed reinforcing rods (52) are arranged between two adjacent bulges at intervals.
6. The lightweight form-removal-free multifunctional wall body for the fabricated building according to any one of claims 2 to 5, wherein: the sound insulation wall is characterized by further comprising a wall sound absorption layer (6), wherein the wall sound absorption layer (6) is closely attached to the outer side of the wall heat insulation layer (5).
7. The lightweight form-removal-free multifunctional wall body for the fabricated building according to any one of claims 1 to 5, wherein: the wall body heat insulation layer is characterized by further comprising a wall body protective layer (7), wherein the wall body protective layer (7) is tightly attached to the outer side of the prestress dispersion layer (2) or the outer side of the wall body heat insulation layer (5).
8. The lightweight form-removal-free multifunctional wall body for the fabricated building according to claim 1, wherein: the wall body bearing framework (1) is a stressed rib of a wall body, and the stressed rib is H-shaped steel, U-shaped steel, I-shaped steel, angle steel, square steel, round steel, C-shaped steel, Z-shaped steel or cross-shaped steel or one of the H-shaped steel, the U-shaped steel, the I-shaped steel, the angle steel, the square steel, the round steel, the C-shaped steel, the Z-shaped steel and the cross-shaped steel or the mixed lap of any two of the H-shaped steel, the U-shaped steel, the I-shaped steel, the angle steel, the square steel, the round steel, the C-shaped steel and the cross-shaped steel;
the prestress dispersing layer (2) is a double-faced expanded mesh, a steel plate mesh, a steel wire mesh sheet, a galvanized steel wire mesh or a reinforced metal mesh sheet or an anti-cracking fireproof steel bar mesh sheet.
9. A lightweight form-stripping-free multifunctional wall for prefabricated buildings according to claim 1 or 8, characterized in that: a plurality of mounting holes (11) are formed in each wall body bearing framework (1), and opposite-pull reinforcing rods (8) transversely penetrate into the mounting holes.
10. The lightweight form-removal-free multifunctional wall body for the fabricated building according to claim 1, wherein: the core layer filler (3) is foam concrete or high-strength light polyphenyl granule concrete; a cement-based heat-preservation and noise-elimination layer, a metal plate layer, a rock wool plate layer, a damping layer, a waterproof layer and a stress dispersion layer are arranged in the foam concrete or the high-strength light polyphenyl particle concrete, and the cement-based heat-preservation and noise-elimination layer, the metal plate layer, the rock wool plate layer, the waterproof layer and the stress dispersion layer are sequentially laminated or mixed together;
the buffer damping component (4) is a damping spring.
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| CN115247467A (en) * | 2022-08-24 | 2022-10-28 | 中国十七冶集团有限公司 | Reinforced FS (concrete slab) outer formwork cast-in-place concrete composite heat insulation system and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115247467A (en) * | 2022-08-24 | 2022-10-28 | 中国十七冶集团有限公司 | Reinforced FS (concrete slab) outer formwork cast-in-place concrete composite heat insulation system and construction method |
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