CN110607853B - Fireproof composite wall body for protecting building - Google Patents
Fireproof composite wall body for protecting building Download PDFInfo
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- CN110607853B CN110607853B CN201910909065.0A CN201910909065A CN110607853B CN 110607853 B CN110607853 B CN 110607853B CN 201910909065 A CN201910909065 A CN 201910909065A CN 110607853 B CN110607853 B CN 110607853B
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
- E04B2/60—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal characterised by special cross-section of the elongated members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a fireproof composite wall for protecting a building, which comprises a bearing wall body (1), wherein a plurality of prestress dispersing layers (2) are arranged at the two sides of the bearing wall body (1) in a transverse head-tail clinging manner, core layer fillers (3) are poured and filled in two spaces formed by the prestress dispersing layers (2) and the bearing wall body (1), and the core layer fillers (3), the bearing wall body (1) and the prestress dispersing layers (2) are molded into a whole to form a simple wall body. The invention has simple structure and novel design, improves the shock resistance of the whole wall structure, and reduces the design strength and cost of wall components; simultaneously, the shear capacity and the integrity of the simple wall body are greatly improved, and the wall body has the advantages of good integrity, excellent shock resistance, stronger bonding shear capacity, good wall body finished product forming effect and the like.
Description
Technical Field
The invention relates to a wall, in particular to a fireproof composite wall for protecting a building, and belongs to the technical field of wall construction of general fixed buildings.
Background
In general, the traditional wall body adopts a calcium silicate board or is a concrete precast board, and has a plurality of defects such as site wet operation construction, heavy wall body weight, incapability of realizing assembly and modern energy conservation and environmental protection practicability due to poor connection, heavy weight and weak bearing performance.
At present, the partition wall body in the market can be divided into according to the material thereof:
The first is a masonry partition wall, which is a structure that is made of bricks, stones or blocks and is built by mortar, for example: the brick wall, the aerated concrete block and the ceramsite brick have wide material sources, are easy to obtain locally, and have good water resistance and durability; the disadvantages of this are: the self weight is large, the strength is low, the anti-seismic and anti-cracking performance is poor, and the masonry work is heavy;
The second is GRC type light partition wall body is a wall material with the appearance similar to a hollow wall body, and has the characteristics of light weight, high strength, fire resistance, quick construction and the like; the defects are that: poor sound insulation, easy crack and poor earthquake resistance;
Thirdly, the skeleton partition wall mostly uses light steel keels or wood keels as skeletons, gypsum boards and asbestos cement boards are nailed outside, the light wall is the least practical light wall body, the construction is complex, the sound insulation effect is poor, the strength is lowest, the surface density is lowest, in addition, the service life is short, and the service life is generally only 2 to 3 years;
The fourth is a light composite sandwich slat which takes a fiber reinforced silicon-calcium plate or a cement-silicon-calcium plate as a panel, and is filled with a light core material for one-time composite molding, and the light composite sandwich slat has the characteristics of solid, light, thin body, high strength, impact resistance, strong hanging force, heat insulation, sound insulation, fire resistance, water resistance, easy cutting, free slotting, no need of painting, dry operation and the like, but has the defects of short service life, easy deformation of lap joints and higher cost;
Fifthly, the ceramsite plate has the characteristics of high strength, difficult cutting and large loss, but the unit area weight is the heaviest in the light partition wall body, so the processing cost is also high;
and the sixth is that the glass brick partition wall body is a transparent brick wall built by using extra thick glass bricks or combined glass bricks. The light-collecting lamp is characterized by good lighting, is more practical for places with poor light, and has very high cost;
The seventh type is a type of a soil-firing brick or a soil-firing porous brick, a cement mortar brick or a cement square hole brick, an aerated block brick or a coal ash brick, and the like, and the advantages and disadvantages are as follows: firstly, the soil-burned brick or the soil-burned porous brick is manufactured by firing clay through an ancient method process, does not burn, has strong gravity load and aging resistance, has the defects of deficient clay resources, complicated manufacturing process, great energy consumption during brick burning, great amount of waste gas generation, great wall weight, high technical requirements during site construction, great amount of auxiliary materials for main materials and auxiliary materials, large occupied area during transfer, and great amount of dust and sand raising pollution to the environment; secondly, the cement mortar brick or the cement square hole brick has the advantages of being formed by mechanical pressing, not burning, strong in loading force, high in wall weight and high in technical requirements during site construction; the aerated block or the coal ash block has the advantages of being cast by using machinery and a foaming agent, not burning, light in wall body weight, low in wall surface layer strength, large in water absorption, yellowing or mildew spots on the wall surface in plum rains and rainy seasons, high in technical requirements in site construction, and incapability of directly paving ceramic tiles and marble on the wall surface.
Meanwhile, the plane area of the concrete wall body in the building structure is larger, and the problems of large tonnage, difficult transportation, inconvenient hoisting during construction and the like exist;
The eighth is a light wall body formed by foam boards and steel wire mesh boards, which has the characteristics of light weight, rapid construction and the like; but has the disadvantages that: poor sound insulation, easy crack, poor earthquake resistance, short service life and easy deformation of the lap joint;
therefore, it is a key point to solve the above technical problems to develop a fireproof composite wall for protecting a building, which has strong practicability and high working reliability.
Disclosure of Invention
Aiming at the defects and shortcomings in the background technology, the invention improves and innovates the defects, and aims to provide a simple wall body which has the advantages of simple structure, simple operation, quick installation, low construction cost, strong connection reliability, good anti-seismic, heat insulation, sound insulation, water resistance and fire resistance, can realize the construction of the structure efficiently and quickly, and has extremely high economic and social benefits.
The invention further aims to achieve the purposes of lower cost, quickening construction progress, saving labor force, shortening construction period and the like, being portable in carrying, realizing the aim of reducing the labor intensity of operators to the greatest extent, having better positioning and shaping effects, having smooth and attractive surface of the shaped and poured energy-saving template wall, having simple structure and being convenient to support, and solving the difficult problem in the supporting of the energy-saving template wall in the building construction process.
The invention further aims to realize the purposes of prolonging the service life, saving energy, protecting the environment, ensuring the construction quality, directly pouring concrete into a low-cost wall form to form a wall, and ensuring the construction safety and the construction quality without dismantling the form, thereby improving the strength of the wall, reducing the construction procedures, improving the construction efficiency and reducing the construction cost.
The invention also aims to integrally form the wall surface template and the end face plugging plate after pouring the core layer filling material, and the wall surface template and the end face plugging plate and the pouring material form a whole after pouring, so that the wall body does not need to be dismantled, the surface of the wall body after construction is high in flatness, the surface is smooth, plastering and leveling are not needed, and the later construction is convenient.
The invention further aims to ensure the assembled structural strength, so that the poured wall structure has the characteristics of light weight, energy conservation, shock resistance, heat insulation, heat preservation and sound insulation, is formed by one-time pouring construction, is quick and efficient in construction, short in construction period, capable of saving a large amount of manpower, enhancing the integrity of the wall, precise in flatness, capable of effectively preventing the cracking of the outer wall, easy to make various wall decorations, flexible in design, capable of making wall decoration work after the pouring of wall concrete is completed, and shortened in integral construction time.
In order to solve the problems and achieve the above object, the present invention provides a fireproof composite wall for protecting a building, which is realized by adopting the following design structure and the following technical scheme:
As an improvement of the fireproof composite wall for protecting a building, the simple wall comprises a bearing wall body (1), a plurality of prestress dispersing layers (2) are arranged at the two sides of the bearing wall body (1) in a transverse head-tail clinging mode, core layer fillers (3) are poured and filled in a space formed by the prestress dispersing layers (2) and the bearing wall body (1), and the core layer fillers (3), the bearing wall body (1) and the prestress dispersing layers (2) are formed into a whole through injection molding, so that a simple wall body is formed.
As the improvement of the invention, the bearing wall body (1) comprises a bearing wall body (11) and four connecting members (12) with different lengths, wherein the four connecting members (12) are mutually surrounded on the periphery of the bearing wall body (11) and are connected with the bearing wall body into a whole, the whole bearing wall body (11) is a steel plate-shaped body member, and the whole plate-shaped body member is of a transverse wavy structure or a zigzag structure; a plurality of connecting and fixing holes (121) penetrating through the front surface and the back surface of each connecting member (12) are formed in each connecting member, the connecting and fixing holes (121) are bolt holes, and the high-strength bolts penetrate through the bolt holes and are connected with corresponding buildings into a whole.
As a further improvement of the invention, a plurality of grooves and protrusions are continuously and alternately distributed on the two side surfaces of the bearing wall body (11), wherein a plurality of slurry overflow holes (111) are respectively formed in the middle of the grooves and the protrusions, and each slurry overflow hole (111) penetrates through the front side and the back side of the grooves and the protrusions.
As a further improvement of the invention, the connecting member (12) is U-shaped steel groove or square steel, and the U-shaped steel groove or square steel is fixedly connected to the peripheral edge of the simple wall body (11).
As the further improvement of the invention, a plurality of integrally formed connecting rods (13) are arranged on the bearing wall body (11), the connecting rods (13) transversely penetrate through the groove part of the bearing wall body (1), wherein one end part of each connecting rod (13) is welded with the inner surface of one prestress dispersing layer (2) to form a whole, and the other end part is welded with the inner surface of the other prestress dispersing layer (2) to form a whole;
The bearing wall body (11) is also provided with a plurality of prestress reinforcing rods (14), the prestress reinforcing rods (14) are integrally rod-shaped members, and the rod-shaped members are arranged between two adjacent bulges at intervals.
As a further improvement of the invention, the prestress dispersing layer (2) is an expanded mesh, a steel plate mesh, a steel wire mesh, a galvanized steel wire mesh or a ribbed metal mesh or an anti-cracking fireproof steel bar mesh.
As a still further improvement of the present invention, the prestress dispersion layer (2) is an expanded net which is a net-shaped body member composed of a plurality of intersecting transverse reinforcing bars and longitudinal reinforcing bars, a plurality of reinforcing members (21) are provided on the net-shaped body member, and the reinforcing members (21) are integrally flat and elongated plate-shaped body members which are in a shape of a "table", "V", "U", or "n", or "Ω".
As a still further improvement of the invention, the core layer filler (3) is high-strength light polyphenyl granule concrete; the cement-based heat-insulating and silencing layer, the metal plate layer, the rock wool plate layer, the damping layer, the waterproof layer and the stress dispersing layer are sequentially laminated or mixed together.
As still further improvements of the present invention, a construction method of a fireproof composite wall for protecting a building, the construction method comprising the steps of:
S1, preparation of construction: when the base layer is cleaned, constructors clean the floor or floor base layer from the floor ash and garbage; then according to the given axis and the wall size marked on the drawing, ejecting the axis of the wall, the width line of the wall and the position of the bearing wall (1) on the ground or the top surface of the floor by using ink lines;
S2, mounting a bearing wall: hoisting the prefabricated bearing walls (1) to the appointed ground or floor positions and then installing the bearing walls in place, sequentially installing a plurality of bearing walls (1) on the ground or floor base layer one by one in a row through high-strength bolts according to the length required by the walls during installation to form a whole, forming the required complete wall, and then connecting the upper ends and the lower ends of the walls with corresponding buildings into a whole through bolts;
S3, arranging a prestress dispersing layer: according to the actual length of the wall body, a plurality of prestress dispersing layers (2) are arranged on the front surface and the back surface of a bearing wall body (11) in a transverse head-to-tail clinging mode, then the positions of the prestress dispersing layers (2) are adjusted, and after adjustment, the prestress dispersing layers are welded or bound, so that a closed continuous casting cavity is formed, and then pipeline laying and core layer filling are carried out;
s4, filling a core layer: the laying position of each part is determined accurately; and (3) respectively pouring the core layer filler (3) into the cavity body through corresponding grouting equipment along the two sides of the top of the cavity body uniformly in a layering manner or continuously pouring manner, solidifying, curing and forming, and after the curing reaches the preset strength requirement, making decorative surface layers on the inner surface and the outer surface of the wall body to form the energy-saving fireproof composite wall body integrally poured and formed in one step.
As a still further improvement of the invention described above, in S2, the fixing form of the load-bearing wall (1) to the ground or floor is adhesive, welded, riveted or bolted;
The core layer filler (3) filled or poured is one or more of foam concrete, ceramsite concrete, polyphenyl particle foam concrete, extruded polystyrene board, polystyrene foam plastic board, common concrete, foaming concrete, light concrete, EPS particle concrete or foaming polyurethane, and the final energy-saving fireproof composite template wall is formed after the strength of the core layer filler (3) is formed.
The working principle is as follows: before the fireproof composite wall body for protecting the building with the design structure is used, a plurality of bearing wall bodies (1) and a plurality of prestress dispersing layers (2) which are machined in advance are required to be carried to a machining site for installation.
When in installation, firstly, the construction preparation is as follows: when a constructor cleans the base layer, the constructor cleans the floor ash and the garbage of the ground or floor base layer; then according to the given axis and the wall size marked on the drawing, ejecting the axis of the wall, the width line of the wall and the position of the bearing wall (1) on the ground or the top surface of the floor by using ink lines; subsequently, constructors install the bearing wall: hoisting the prefabricated bearing walls (1) to the appointed ground or floor positions and then installing the bearing walls in place, sequentially installing a plurality of bearing walls (1) on the ground or floor base layer one by one in a row through high-strength bolts according to the length required by the walls during installation to form a whole, forming the required complete wall, and then connecting the upper ends and the lower ends of the walls with corresponding buildings into a whole through bolts; next, a pre-stress dispersion layer is arranged: according to the actual length of the wall body, a plurality of prestress dispersing layers (2) are arranged on the front surface and the back surface of a bearing wall body (11) in a transverse head-to-tail clinging mode, then the positions of the prestress dispersing layers (2) are adjusted, and after adjustment, the prestress dispersing layers are welded or bound, so that a closed continuous casting cavity is formed, and then pipeline laying and core layer filling are carried out; finally, filling the core layer: the laying position of each part is determined accurately; and (3) respectively pouring the core layer filler (3) into the cavity body through corresponding grouting equipment along the two sides of the top of the cavity body uniformly in a layering manner or continuously pouring manner, solidifying, curing and forming, and after the curing reaches the preset strength requirement, making decorative surface layers on the inner surface and the outer surface of the wall body to form the energy-saving fireproof composite wall body integrally poured and formed in one step.
In the whole implementation operation process, the fixing mode of the bearing wall body (1) and the ground or the floor is bonding, welding, riveting or bolting; the core layer filler (3) filled or poured is one or more of foam concrete, ceramsite concrete, polyphenyl particle foam concrete, extruded polystyrene board, polystyrene foam plastic board, common concrete, foaming concrete, light concrete, EPS particle concrete or foaming polyurethane, and the core layer filler (6) forms a final energy-saving fireproof composite template wall body after forming strength.
Preferably, filling or pouring is carried out by adopting a layered filling vibrating compaction mode for backfilling, wherein the vibrating adopts an inserted vibrator for vibrating, and the vibrating time is 5-15 s; when the same pouring point is preferably subjected to pushing type continuous pouring by adopting a corresponding pouring device, the next layer of self-sealing concrete is poured before the self-sealing concrete of the front layer is initially set when the pouring points are switched, the self-sealing concrete is timely observed when being poured, and the self-sealing concrete is immediately plugged after being filled so as to prevent slurry from losing.
It is also preferable that in order to achieve the aim of smooth surface when pouring self-sealing concrete, a leather hammer, a small flat vibrator or a vibrating rod is adopted to vibrate outside the wall form in an auxiliary vibration mode along with pouring of self-sealing concrete from bottom to top; when a dark column with a complex steel bar structure or the middle part of a composite shear wall is poured, a small vibrating rod is adopted to conduct appropriate amount of 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 2m each time.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention has the advantages of simple structure, novel design, high prefabrication degree, higher assembly rate, smaller wall thickness and increased use space; good integrity and ductility; the bearing capacity is higher, the durability is better, the damage in the construction stage can be avoided, the heat preservation and energy conservation effects are realized, and the heat preservation and bearing integration of the wall body is truly realized;
2. The method is simple to operate, easy to understand and learn by workers, free of using other special tools and special training on the workers, simple and efficient in manufacturing procedure, and capable of improving the integrity and compactness of the wall body by adopting a pouring mode, and free of forming cold or hot bridges;
3. The wall body participates in structural stress, so that the earthquake resistance of the structure is improved, the built-in foaming concrete of the wall body is filled into a plurality of steel wire meshes and the bearing wall body to mutually transfer load with the bearing wall body, and the wall body can be used as a stress member to participate in the stress of the main body structure, so that the rigidity and the bearing capacity of the main body structure are provided, the earthquake resistance of the whole wall body structure is improved, and the design strength and the cost of the wall body member are reduced; simultaneously, the shear capacity and the integrity of the simple wall body are greatly improved, and the wall body has the advantages of good integrity, excellent shock resistance, stronger bonding shear capacity and the like;
4. the novel building material foaming concrete is of a large number of closed pore structures in the foaming concrete, light weight and heat insulation of the building filling material are realized, the novel building material foaming concrete is a novel light heat insulation material, the weight of components is obviously reduced, and the novel building material foaming concrete is convenient to transport and install, meanwhile, the foaming concrete also has sound insulation, fire resistance, water resistance, environmental protection, good heat insulation and fire resistance effects, and good sound insulation and heat insulation effects;
5. The wall body is prefabricated in large modularized production in a factory, is easy to manufacture, is easy to realize high-efficiency industrialized production on a production line, is convenient for assembly installation on a construction site, has few and firm installation nodes, is simple to construct, obviously reduces the working intensity of workers, reduces the work amount of engineering, simultaneously effectively shortens the construction time on the construction site, and is suitable for being widely popularized and applied in actual engineering;
6. The vibration-free concrete can save labor cost, and simultaneously has the advantages of simple operation process, high production efficiency, low input cost of vibration-free process machinery, low site noise and stable product quality;
7. According to the invention, by arranging the prestress dispersing layer, the possible interlayer stress is effectively eliminated or prevented, and the stability of the wall performance is ensured;
8. The use of the steel wire mesh sheets in the invention increases the bearing capacity of the whole wall, reduces the reinforcement amount and the thickness of the bottom plate, reduces the dead weight of the structure, reduces the labor intensity of operators in carrying and accelerates the construction speed;
9. Because the connecting rod piece (13) and the prestress reinforcing rod (14) are arranged on the bearing wall body, the strength of the material is fully exerted by the design, and the bearing capacity of the component is improved; the bearing capacity and the rigidity of the simple wall body (4) are improved, and meanwhile, the constraint of the side part of the bearing wall body on concrete is increased, so that the deformation of the wall body is delayed;
9. the manufacturing and production process is simple, construction procedures are reduced, wall cost is reduced, environmental pollution is reduced, industrial production of buildings can be realized, and the method has good economic benefit and environmental protection benefit and is worthy of being widely popularized;
10. the stress dispersion layer is a reticular structure formed by a plurality of intersecting transverse steel bars and longitudinal steel bars, and the integral stress of the anti-crack steel bar net structure is formed, so that the strain resistance of the cast-in-place concrete wall body can be improved, the aim of preventing the crack of the corner of the concrete wall body is fulfilled, meanwhile, the stress stability is stronger, the stress at the corner point is concentrated and dispersed to be attenuated by adding the reinforcing member on the stress dispersion layer, and the anti-crack stress structure has better strain resistance, so that the effect of preventing the crack of the cast-in-place concrete wall body is better. In addition, the stress dispersion layer is fixed in shape, meets the batch production requirement of factories, and is convenient to construct, so that the construction period is shortened, the cost is reduced, and the wall body finished product forming effect is good;
11. The wall body is internally and directly provided with a metal large corrugated bearing plate, the front surface and the back surface of the bearing plate are provided with steel wire meshes, the middle of the bearing plate can be provided with a water and electricity pipeline, and polyphenyl foam concrete is poured on the front surface and the back surface of the steel mesh wall body to form a firm wall body;
12. The invention has better fireproof performance, cold insulation and sound insulation, A-grade fireproof materials are arranged in the polyphenyl foam concrete, the polyphenyl foam concrete is close to refractory bricks, the raw material formula belongs to civil raw materials, no harmful gas is generated to human bodies, the environment-friendly wall body can only burn in the room when encountering fire and cannot be used in other rooms, and the wall body has very high fireproof function and heat insulation function, thus greatly reducing the slow delay of the fire and protecting the maximum loss of the whole building.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is one of the overall structural schematic of the present invention;
FIG. 2 is a schematic view of the overall structure of the component of the load-bearing wall (1) of the present invention;
FIG. 3 is a second schematic diagram of the overall structure of the present invention;
FIG. 4 is a schematic view of the overall structure of the components of the load-bearing wall body (11) of the present invention;
FIG. 5 is a schematic overall structure of another design of the components of the load bearing wall body (11) of the present invention;
FIG. 6 is a schematic diagram showing the connection relationship between the bearing wall body (11) and the components of the prestress dispersion layer (2);
FIG. 7 is a schematic overall structure of a design structure of the prestress dispersion layer (2) component of the invention;
FIG. 8 is a schematic overall structure of another design of the prestress dispersion layer (2) component of the invention;
FIG. 9 is a block diagram of the overall operational principle of the present invention;
wherein, the reference numerals in the figures: 1-bearing wall body, 11-bearing wall body, 111-slurry overflow hole, 12-connecting component, 121-connecting fixing hole, 13-connecting rod piece and 14-prestress reinforcing rod;
2-a prestress dispersion layer, 21-a reinforcing member;
3-core filler;
s1, preparing construction;
S2, installing a bearing wall body;
s3, arranging a prestress dispersing layer;
s4, filling the core layer.
Detailed Description
In order to make the technical means, the inventive features, the achieved objects and the effects of the present application easy to understand, the technical solution of the present application will be described in further detail below with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments of the present application and the features of the embodiments can be combined without conflict. The application will be described in detail below with reference to the drawings in connection with embodiments.
The fireproof composite wall for protecting the building is shown in the specification and the drawing, and comprises a bearing wall body 1, a plurality of prestress dispersing layers 2 are arranged on two sides of the bearing wall body 1 in a transverse head-tail clinging mode, core layer fillers 3 are poured and filled in a space formed by the prestress dispersing layers 2 and the bearing wall body 1, and the core layer fillers 3, the bearing wall body 1 and the prestress dispersing layers 2 are formed into a whole through injection molding, so that a simple wall body is formed.
Further, the bearing wall body 1 comprises a bearing wall body 11 and four connecting members 12 with different lengths, the four connecting members 12 are mutually surrounded on the periphery of the bearing wall body 11 and are connected with the bearing wall body 11 into a whole, wherein the whole bearing wall body 11 is a steel plate-shaped body member, and the whole plate-shaped body member is of a transverse wavy structure or a zigzag structure; each connecting member 12 is provided with a plurality of connecting and fixing holes 121 penetrating through the front and the back of the connecting member, the connecting and fixing holes 121 are bolt holes, and the high-strength bolts penetrate through the bolt holes and are connected with corresponding buildings into a whole.
Specifically, a plurality of grooves and protrusions are continuously and alternately distributed on the two side surfaces of the bearing wall body 11, wherein a plurality of slurry overflow holes 111 are formed in the middle of the grooves and the protrusions, and each slurry overflow hole 111 penetrates through the front side and the back side of the grooves and the protrusions.
Further, the connecting member 12 is a U-shaped steel groove or a square steel groove, and the U-shaped steel groove or the square steel groove is fixedly connected to the peripheral edge of the simple wall body 11.
In the invention, the fixed connection is welded connection or directly processed into an integrated structure.
Specifically, a plurality of integrally formed connecting rods 13 are arranged on the bearing wall body 11, the connecting rods 13 transversely penetrate through the groove part of the bearing wall body 1, wherein one end part of each connecting rod 13 is welded with the inner surface of one prestress dispersing layer 2 to form a whole, and the other end part is welded with the inner surface of the other prestress dispersing layer 2 to form a whole;
the bearing wall body 11 is also provided with a plurality of prestress reinforcing rods 14, and the whole prestress reinforcing rods 14 are rod-shaped members which are arranged between two adjacent bulges at intervals.
Further, the prestress dispersing layer 2 is an expansion net, a steel plate net, a steel wire net, a galvanized steel wire net or a reinforced metal net or an anti-cracking fireproof steel bar net.
Specifically, the prestress dispersion layer 2 is an expanded mesh, which is a mesh member composed of a plurality of intersecting transverse steel bars and longitudinal steel bars, on which a plurality of reinforcing members 21 are provided, and the reinforcing members 21 are integrally flat and elongated plate-like members, which are in the shape of "a few", "V", "U", or "n", or "Ω".
Further, the core layer filler 3 is high-strength light polyphenyl granule concrete; the cement-based heat-insulating and silencing layer, the metal plate layer, the rock wool plate layer, the damping layer, the waterproof layer and the stress dispersing layer are sequentially laminated or mixed together.
Further, a construction method for protecting a fireproof composite wall body of a building comprises the following steps:
S1, preparation of construction: when the base layer is cleaned, constructors clean the floor or floor base layer from the floor ash and garbage; then according to the given axis and the wall size marked on the drawing, the axis of the wall, the width line of the wall and the position of the bearing wall 1 are popped up on the ground or the top surface of the floor by using ink lines;
S2, mounting a bearing wall: hoisting the prefabricated bearing wall bodies 1 to the appointed ground or floor positions and then installing the bearing wall bodies in place, sequentially installing a plurality of bearing wall bodies 1 on the ground or floor base layer one by one in a row through high-strength bolts according to the length required by the wall bodies to form a whole, forming the required complete wall body, and then connecting the upper end and the lower end of the wall body with corresponding buildings into a whole through bolts;
S3, arranging a prestress dispersing layer: according to the actual length of the wall body, a plurality of prestress dispersing layers 2 are arranged on the front surface and the back surface of the bearing wall body 11 in a transverse head-to-tail close manner, then the positions of the prestress dispersing layers 2 are adjusted, and after adjustment, the prestress dispersing layers are welded or bound, so that a closed continuous casting cavity is formed, and then pipeline laying and core layer filling are carried out;
s4, filling a core layer: the laying position of each part is determined accurately; and (3) uniformly layering or continuously pouring the core layer filler 3 into the cavity along the two sides of the top above the cavity through corresponding grouting equipment, solidifying, curing and forming, and after the curing reaches the preset strength requirement, making decorative surface layers on the inner surface and the outer surface of the wall body to form the integrally poured and one-step formed energy-saving fireproof composite wall body.
Specifically, in S2, the fixing form between the bearing wall 1 and the ground or the floor is bonding, welding, riveting or bolting;
The core layer filler 3 filled or poured is one or more of foam concrete, ceramsite concrete, polyphenyl particle foam concrete, extruded polystyrene board, polystyrene foam plastic board, common concrete, foaming concrete, light concrete, EPS particle concrete or foaming polyurethane, and the final energy-saving fireproof composite template wall body can be formed after the strength of the core layer filler 3 is formed, and the energy-saving fireproof composite template wall body does not need to be disassembled and leveled by plastering, and can be directly painted, adhered with wallpaper and externally hung with plates.
In the invention, the slurry overflow holes 111 are formed at equal intervals or unequal intervals along the length direction of the middle parts of the grooves and the bulges of the bearing wall body 1; the connecting rod 13 and the prestress reinforcing rod 14 are bar-shaped members made of steel as a whole, and the bar-shaped members are steel bars; the joints of the transverse steel bars and the longitudinal steel bars are in spot welding connection.
Meanwhile, according to a further preferred technical scheme of the invention, an injection molding layer, a rust-proof layer and a warning layer are sequentially sprayed on the outer surfaces of the bearing wall body 1, the connecting rod piece 13, the prestress reinforcing rod 14, the prestress dispersing layer 2, the reinforcing member 21 and the end beam 41 from inside to outside, and fluorescent powder is coated on the warning layer.
Specifically, a high molecular wear-resistant material is injected on the injection layer; the rust-proof layer comprises an epoxy zinc-rich primer and a chlorinated rubber finish paint and an epoxy cloud iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the warning layer is a yellow or black reflective warning tape or reflective color film or reflective paint. Therefore, the service life can be prolonged, and the self-luminous fluorescent material is coated on the outside, so that the position of the wall body can be clearly marked at night or in a dark room and in an underground construction environment, and the safety prompt effect can be effectively realized in the construction work process.
In summary, more specific embodiments of the present invention are:
Before the fireproof composite wall body for protecting a building with the design structure is used, a plurality of bearing wall bodies 1 and a plurality of prestress dispersing layers 2 which are processed in advance are required to be conveyed to a processing site for installation and are ready for use.
When in installation, firstly, the construction preparation is as follows: when a constructor cleans the base layer, the constructor cleans the floor ash and the garbage of the ground or floor base layer; then according to the given axis and the wall size marked on the drawing, the axis of the wall, the width line of the wall and the position of the bearing wall 1 are popped up on the ground or the top surface of the floor by using ink lines; subsequently, constructors install the bearing wall: hoisting the prefabricated bearing wall bodies 1 to the appointed ground or floor positions and then installing the bearing wall bodies in place, sequentially installing a plurality of bearing wall bodies 1 on the ground or floor base layer one by one in a row through high-strength bolts according to the length required by the wall bodies to form a whole, forming the required complete wall body, and then connecting the upper end and the lower end of the wall body with corresponding buildings into a whole through bolts; next, a pre-stress dispersion layer is arranged: according to the actual length of the wall body, a plurality of prestress dispersing layers 2 are arranged on the front surface and the back surface of the bearing wall body 11 in a transverse head-to-tail close manner, then the positions of the prestress dispersing layers 2 are adjusted, and after adjustment, the prestress dispersing layers are welded or bound, so that a closed continuous casting cavity is formed, and then pipeline laying and core layer filling are carried out; finally, filling the core layer: the laying position of each part is determined accurately; and (3) uniformly layering or continuously pouring the core layer filler 3 into the cavity along the two sides of the top above the cavity through corresponding grouting equipment, solidifying, curing and forming, and after the curing reaches the preset strength requirement, making decorative surface layers on the inner surface and the outer surface of the wall body to form the integrally poured and one-step formed energy-saving fireproof composite wall body.
In the whole implementation operation process, the corresponding building is beams, shear walls, floors or mixed joints among the beams, the shear walls, the floors and the floors, and the fixed mode of the bearing wall body 1 and the floors or floors is bonding, welding, riveting or bolting; the core layer filler 3 filled or poured is one or more of foam concrete, ceramsite concrete, polyphenyl particle foam concrete, extruded polystyrene board, polystyrene foam plastic board, common concrete, foaming concrete, light concrete, EPS particle concrete or foaming polyurethane, and the core layer filler 6 forms a final energy-saving fireproof composite template wall body after forming strength, and the energy-saving fireproof composite template wall body does not need to be disassembled and leveled, and can be directly painted, adhered with wallpaper and externally hung with plates.
Preferably, filling or pouring is carried out by adopting a layered filling vibrating compaction mode for backfilling, wherein the vibrating adopts an inserted vibrator for vibrating, and the vibrating time is 5-15 s; when the same pouring point is preferably subjected to pushing type continuous pouring by adopting a corresponding pouring device, the next layer of self-sealing concrete is poured before the self-sealing concrete of the front layer is initially set when the pouring points are switched, the self-sealing concrete is timely observed when being poured, and the self-sealing concrete is immediately plugged after being filled so as to prevent slurry from losing.
It is also preferable that in order to achieve the aim of smooth surface when pouring self-sealing concrete, a leather hammer, a small flat vibrator or a vibrating rod is adopted to vibrate outside the wall form in an auxiliary vibration mode along with pouring of self-sealing concrete from bottom to top; when a dark column with a complex steel bar structure or the middle part of a composite shear wall is poured, a small vibrating rod is adopted to conduct appropriate amount of 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 2m each time.
In summary, the present invention has the following advantages in the specific embodiments:
1. The invention has the advantages of good construction quality, reliable structure and good stability, and has the advantages of simple technology, high field installation efficiency, reliable engineering quality, short construction period, low labor intensity and the like; the material can be processed in a material processing field, and the assembly work can be directly carried out on site, so that the construction period is saved; the construction quality can completely meet the design requirement;
2. The connecting rod piece 13 and the prestress reinforcing rod 14 which are preset on the bearing wall body 11 and the structure that the whole bearing wall body is in a zigzag shape and is arranged as the interval between the bulges and the grooves improve the connection with the connecting member 12, overcome the shearing force of the dead weight of the bearing wall, improve the firmness, prolong the durability of the bearing wall and fundamentally solve the quality problems of cracking, bulging, falling off and the like of the wall;
3. The prefabricated bearing wall body 1 and the prestress dispersing layer 2 are assembled and fixed on site by adopting the factory, two casting cavities which are communicated and hollow and are positive and negative are formed, the casting core layer filling material is integrally formed, the prefabricated bearing wall body 1 and the prestress dispersing layer 2 and the casting material form a whole after casting is completed, the dismantling is not needed, the surface flatness of the wall body after construction is high, the surface is smooth and clean, plastering and leveling are not needed, and the post construction is convenient;
4. The invention ensures the structural strength of the assembled wall, ensures that the poured wall structure has the characteristics of light weight, energy conservation, earthquake resistance, heat insulation, heat preservation and sound insulation, is formed by one-time pouring construction, has quick and efficient construction, short construction period, can save a great deal of manpower, realizes one-time pouring construction forming, does not need die stripping treatment, has quick and efficient construction, and can save a great deal of manpower;
5. The connecting rod 13 and the prestress reinforcing rod 14 are arranged, so that the mechanical property of the wall body is obviously improved, the application of the wall body is wide, the finished wall body can be applied to bearing walls and shear walls, the technical scheme provided by the invention changes the technical method of the existing building wall body, the traditional building industry and manufacturing industry are fully fused, the construction quality and efficiency are greatly improved, the development direction of the building industry is met, and the wall body has wide market prospect;
6. The invention adopts the bearing wall body 1 and the prestress dispersion layer 2 as the permanent wall body of the cast-in-place concrete wall body, reduces the construction procedures of wall body construction in building construction, greatly improves the assembly speed of cast-in-place concrete wall body templates, improves the building industrialization level, improves the construction efficiency, reduces the construction working hours and the construction cost, and can also be filled with any one of the existing known wall body filling materials in the cavity between the wall body templates, thereby forming an energy-saving template wall body;
7. The invention can realize factory standardized production and processing, and solves the problem of uncontrollable quality caused by field operation in the engineering construction process;
8. The invention realizes the phenomenon of difficult occurrence of mold leakage and slurry leakage, can more effectively control the quality of concrete pouring, greatly reduces material consumption, improves working efficiency, shortens working time and effectively saves construction cost;
9. The invention has simple structure, novel and reasonable design, integrated design, modular production and installation. The construction quality and the construction period can be accurately controlled, and the concrete building can be subjected to on-site construction dry operation, so that the factory construction of the concrete building is realized. The building composite formwork meets the requirements of energy-saving buildings, has good heat preservation and sound insulation performance, high room yield, strong structural anti-seismic performance and high construction speed, and the field construction speed of the composite formwork is faster than that of the traditional steel formwork without removing the formwork;
10. The invention has faster construction speed, higher construction frame precision, can be assembled by local workers without professional skill, is particularly suitable for being used as a frame beam for bearing building structural plates in a building structure or for connecting profiled steel plates or fixing side walls, can save a large amount of materials and labor cost, reduce construction period on site, has larger practical engineering significance in an assembled building, and simultaneously, has a structural design with holes, can facilitate pipeline passing for arrangement and simultaneously keeps the stability of the structure;
11. The outside of each part is coated with the self-luminous fluorescent material, so that the positions of each part can be clearly marked at night or in a dark room and in an underground construction environment, and the safety prompt function can be effectively realized; .
12. The invention ensures the integrity of the wall column, has better positioning and shaping effects, has smooth and beautiful surface of the shaped and poured anti-collision retaining wall, and can reduce the risk of die explosion in the concrete pouring process; the construction method not only ensures the pouring quality of concrete at the joint of the wall column, but also effectively shortens the formwork supporting time, shortens the construction period and realizes the modernization of the building industry and the industrialization of building products;
13. The invention realizes the problem that the surface of the template is easy to oxidize in the construction process; the problems that the composite heat insulation concrete wall lacks of fixed points, is not easy to decorate the wall and delays the whole construction time are solved;
14. the invention solves the problems that the rigidity of the traditional wall form cannot meet the requirements of on-site timely installation and concrete pouring, the surface of the formed and poured structure is smooth and beautiful, various wall decorations are easy to be made, the design is flexible, the wall decoration work can be made after the wall concrete pouring is finished, and the overall construction time is shortened; meanwhile, the wall body of the invention omits the secondary construction of the heat insulation layer, can improve the heat insulation performance of the building wall body, improve the construction quality, meet the national fire prevention standard requirements of the outer wall, and can realize synchronous construction of the wall body and the outer heat insulation, thereby better contributing to energy conservation and emission reduction;
The foregoing has outlined rather broadly the more detailed description of the invention in order that the detailed description of the principles of the invention may be better understood. It should be noted that it will be apparent to those skilled in the art that the present invention may be modified and adapted without departing from the principles of the present invention, and such modifications and adaptations are intended to be within the scope of the appended claims.
Claims (8)
1. The fireproof composite wall body for protecting the building is characterized by comprising a bearing wall body (1), wherein a plurality of prestress dispersing layers (2) are arranged at the two sides of the bearing wall body (1) in a transverse head-tail clinging manner, core layer fillers (3) are poured and filled in a space formed by the prestress dispersing layers (2) and the bearing wall body (1), and the core layer fillers (3), the bearing wall body (1) and the prestress dispersing layers (2) are molded into a whole in an injection manner to form a simple wall body;
a plurality of integrally formed connecting rod pieces (13) are arranged on the bearing wall body (11), the connecting rod pieces (13) transversely penetrate through the groove parts of the bearing wall body (1), wherein one end part of each connecting rod piece (13) is welded with the inner surface of one prestress dispersing layer (2) to form a whole, and the other end part is welded with the inner surface of the other prestress dispersing layer (2) to form a whole;
The bearing wall body (11) is also provided with a plurality of prestress reinforcing rods (14), the prestress reinforcing rods (14) are integrally rod-shaped members, and the rod-shaped members are arranged between two adjacent bulges at intervals;
the construction method of the fireproof composite wall body comprises the following steps:
s1, preparation of construction: when the base layer is cleaned, constructors clean the floor or floor base layer from the floor ash and garbage; then according to the given axis and the wall size marked on the drawing, ejecting the axis of the wall, the width line of the wall and the position of the bearing wall (1) on the ground or the top surface of the floor by using ink lines;
S2, mounting a bearing wall: hoisting the prefabricated bearing walls (1) to the appointed ground or floor positions and then installing the bearing walls in place, sequentially installing a plurality of bearing walls (1) on the ground or floor base layer one by one in a row through high-strength bolts according to the length required by the walls during installation to form a whole, forming the required complete wall, and then connecting the upper ends and the lower ends of the walls with corresponding buildings into a whole through bolts;
S3, arranging a prestress dispersing layer: according to the actual length of the wall body, a plurality of prestress dispersing layers (2) are arranged on the front surface and the back surface of a bearing wall body (11) in a transverse head-to-tail clinging mode, then the positions of the prestress dispersing layers (2) are adjusted, and after adjustment, the prestress dispersing layers are welded or bound, so that a closed continuous casting cavity is formed, and then pipeline laying and core layer filling are carried out;
S4, filling a core layer: the laying position of each part is determined accurately; and (3) respectively pouring the core layer filler (3) into the cavity body through corresponding grouting equipment along the two sides of the top of the cavity body uniformly in a layering manner or continuously pouring manner, solidifying, curing and forming, and after the curing reaches the preset strength requirement, making decorative surface layers on the inner surface and the outer surface of the wall body to form the energy-saving fireproof composite wall body integrally poured and formed in one step.
2. The fireproof composite wall body for protecting a building according to claim 1, wherein the bearing wall body (1) comprises a bearing wall body (11) and four connecting members (12) with different lengths, the four connecting members (12) are mutually surrounded around the bearing wall body (11) and are connected with the bearing wall body to form a whole, and the bearing wall body (11) is integrally made of steel plate-shaped body members which are integrally of a transverse wavy structure or a zigzag structure; a plurality of connecting and fixing holes (121) penetrating through the front surface and the back surface of each connecting member (12) are formed in each connecting member, the connecting and fixing holes (121) are bolt holes, and the high-strength bolts penetrate through the bolt holes and are connected with corresponding buildings into a whole.
3. The fireproof composite wall body for protecting a building according to claim 2, wherein a plurality of grooves and protrusions are continuously and alternately distributed on the two side surfaces of the bearing wall body (11), a plurality of slurry overflow holes (111) are formed in the middle of the grooves and the protrusions, and each slurry overflow hole (111) penetrates through the front face and the back face of the grooves and the protrusions.
4. A fire protection composite wall for a building according to claim 2, wherein the connecting member (12) is a U-shaped steel channel or a square steel channel, and the U-shaped steel channel or the square steel channel is fixedly connected to the peripheral edge of the bearing wall body (11).
5. A fire protection composite wall for a building according to claim 1, characterized in that the prestress dispersion layer (2) is an expanded mesh, a steel plate mesh, a steel wire mesh, a galvanized steel wire mesh or a ribbed metal mesh or an anti-crack fire protection steel bar mesh.
6. A fire protection composite wall for a building according to claim 5, wherein the prestress dispersion layer (2) is an expanded net, the expanded net is a net-shaped body member composed of a plurality of intersecting transverse steel bars and longitudinal steel bars, a plurality of reinforcing members (21) are arranged on the net-shaped body member, the reinforcing members (21) are integrally flat and slender plate-shaped body members, and the plate-shaped body members are in a shape of a Chinese character 'ji', 'V', 'U' -or 'n' -shape.
7. A fire protection composite wall for a building according to claim 1, characterized in that the core filler (3) is high strength lightweight polyphenyl granule concrete; the cement-based heat-insulating and silencing layer, the metal plate layer, the rock wool plate layer, the damping layer, the waterproof layer and the stress dispersing layer are sequentially laminated or mixed together.
8. A fire protection composite wall for a building according to claim 1, characterized in that in S2 the fixing of the load bearing wall (1) to the ground or floor is in the form of an adhesive, welding, riveting or bolting;
The core layer filler (3) filled or poured is one or more of foam concrete, ceramsite concrete, polyphenyl particle foam concrete, extruded polystyrene board, polystyrene foam plastic board, common concrete, foaming concrete, light concrete, EPS particle concrete or foaming polyurethane, and the final energy-saving fireproof composite template wall is formed after the strength of the core layer filler (3) is formed.
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| CN112064817B (en) * | 2020-09-02 | 2021-12-28 | 江西宝燕建设工程有限公司 | Fire-resistant steel structure building |
| CN113216443A (en) * | 2021-04-14 | 2021-08-06 | 凯第建筑集团有限公司 | Steel mesh formwork wall body and construction process thereof |
| CN113323196A (en) * | 2021-06-29 | 2021-08-31 | 十四冶建设集团云南第五建筑安装工程有限公司 | Reinforced concrete wall with optimized filled wall and construction method thereof |
| CN114278004A (en) * | 2022-01-14 | 2022-04-05 | 中科绿筑(北京)科技有限公司 | Low-layer assembled profiled steel sheet light-concrete composite wallboard, connecting structure and construction method |
| CN114991365B (en) * | 2022-08-01 | 2022-11-22 | 江苏恒尚节能科技股份有限公司 | Dry-method artificial lump dry-hanging curtain wall system |
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