CN113958058A - Assembled ultra-low energy consumption prefabricated plate - Google Patents

Assembled ultra-low energy consumption prefabricated plate Download PDF

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Publication number
CN113958058A
CN113958058A CN202111311660.8A CN202111311660A CN113958058A CN 113958058 A CN113958058 A CN 113958058A CN 202111311660 A CN202111311660 A CN 202111311660A CN 113958058 A CN113958058 A CN 113958058A
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China
Prior art keywords
plate
prefabricated
prefabricated plate
layer
precast slab
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CN202111311660.8A
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Chinese (zh)
Inventor
李永强
于伟
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Qinhuangdao Senshuo Technology Development Co ltd
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Qinhuangdao Senshuo Technology Development Co ltd
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Priority to CN202111311660.8A priority Critical patent/CN113958058A/en
Publication of CN113958058A publication Critical patent/CN113958058A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
    • 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
    • E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
    • E04B1/642—Protecting metallic construction elements against corrosion
    • 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
    • E04B1/66—Sealings
    • E04B1/665—Sheets or foils impervious to water and water vapor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/40—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04—Mats

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

An assembled type prefabricated plate with ultra-low energy consumption relates to the technical field of assembled type buildings, and is formed by splicing a first outer prefabricated plate, an inner prefabricated plate and a second outer prefabricated plate by adopting a concave-convex structure, wherein the first outer prefabricated plate, the inner prefabricated plate and the second outer prefabricated plate are all provided with spliced steel frames with the same structure, each spliced steel frame comprises fixed plates arranged at two ends of the inner prefabricated plate, the fixed plates are long-strip-shaped and are respectively and vertically arranged on two edges in the height direction of end faces at two ends of the inner prefabricated plate, the fixed plates are all provided with corresponding through holes, the first outer prefabricated plate, the inner prefabricated plate and the second outer prefabricated plate are fastened by bolts through the fixed plates, the structure is a multi-section assembled type prefabricated wall body, the assembled type prefabricated wall body is convenient to assemble, the size of a single body of the prefabricated wall body is reduced, the transportation and the hoisting are convenient, and the steel frame assembling provides great convenience for assembling at a construction site, and meanwhile, the strength of the whole prefabricated wall body is further enhanced by the assembled steel frame.

Description

Assembled ultra-low energy consumption prefabricated plate
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to an assembly type ultra-low energy consumption prefabricated slab.
Background
The existing wall and roof board connecting nodes are not firm and are limited by the height and span of a building, the strength of the board is low, the board has poor water permeability and durability, and the energy-saving requirements of the ultra-low energy consumption building cannot be met, and the gap processing method is rigid bonding, so that the crack is easy to occur, and the sound insulation and the air tightness are influenced; the inner and outer connecting components are processed without bridge cut-off, so that the service life of the structural component is reduced.
Disclosure of Invention
In order to solve the problems, the invention provides an assembled ultra-low energy consumption prefabricated slab, which adopts a split type prefabrication and field assembly mode, and adopts splicing steel frames for mutual fixation, multilayer filling is carried out at splicing seams, all technical components adopt a bridge-cut-off structure, and the energy-saving requirement of ultra-low energy consumption buildings is effectively met.
The invention provides an assembled ultra-low energy consumption prefabricated slab, which is formed by splicing a first outer prefabricated slab, an inner prefabricated slab and a second outer prefabricated slab in a concave-convex structure, wherein the first outer prefabricated slab, the inner prefabricated slab and the second outer prefabricated slab are all provided with spliced steel frames with the same structure, each spliced steel frame comprises fixing plates arranged at two ends of the inner prefabricated slab, the fixing plates are long-strip-shaped and are respectively and vertically arranged on two edges of the end surfaces at two ends of the inner prefabricated slab in the height direction, the fixing plates are all provided with corresponding through holes, and the first outer prefabricated slab, the inner prefabricated slab and the second outer prefabricated slab are fastened through bolts by virtue of the fixing plates.
The first outer precast slab, the inner precast slab and the second outer precast slab are of three-layer structures of a heat preservation layer and inner and outer concrete layers, the sections of the concrete layers of the first outer precast slab and the second outer precast slab are of C-shaped structures, the fixing plates are correspondingly arranged on the concrete layers, and transverse plates are arranged between the fixing plates at two ends of the concrete layers on the same side.
And reinforcing plates are arranged between the transverse plates in the concrete layers at different sides.
The reinforcing plate comprises a section of plate, a bridge cut-off plate and a section of plate, wherein one end of the section of plate and one end of the section of plate are fixed with the transverse plate respectively, and the other end of the section of plate are fixed with the bridge cut-off plate respectively.
And longitudinal plates are arranged between the upper ends and the lower ends of the two fixed plates on the same end surface of the inner precast slab.
The longitudinal plates comprise a front section plate, a middle section plate and a rear section plate which are sequentially connected, one ends of the front section plate and the rear section plate are fixed with the two fixing plates respectively, and the other ends of the front section plate and the rear section plate are fixed with the two ends of the middle section plate respectively.
And the splicing seams among the first outer prefabricated plate, the inner prefabricated plate and the second outer prefabricated plate are sequentially filled with a polyurethane foaming layer, a rubber sealing batten, a structural adhesive layer, alkali-resistant glass fiber mesh cloth and a mortar repairing layer from inside to outside.
Concrete layer still is provided with the bar net frame and is used for fixing the drawknot pole of bar net, drawknot pole both ends are fixed simultaneously with diaphragm and bar net frame respectively.
The drawknot rod comprises a rod body and rod caps arranged at two ends of the rod body, annular grooves are formed in the rod caps, the inner sides of the rod caps and the outer sides of the heat preservation layers are tightly propped, and the outer sides of the rod caps are fixed with the transverse plates and the reinforcing steel bar net rack.
And grooves extending along the height direction are formed in the concrete layers at one ends of the first outer precast slab and the second outer precast slab, and the bottom of each groove is exposed out of the heat insulation layer and is sequentially filled with a heat insulation material layer and a heat insulation slurry layer from inside to outside.
The invention has the beneficial effects that:
1. whole prefabricated plate adopts split type prefabrication, the structure of on-the-spot concatenation, divide into the multistage with the prefabricated plate and prefabricate respectively in the mill, and it is fixed to transport to splice through the concatenation steelframe behind the job site, and is more convenient during the transportation, easy operation, quick during the concatenation, is showing efficiency and the convenience that has improved prefabrication, transportation and concatenation.
2. The concatenation steelframe is three-dimensional frame construction, and the wholeness is showing with intensity and is improving after the concatenation, and stability is better, and the concatenation steelframe makes whole prefabricated wall body atress even moreover, can not cause local atress too big and lead to the fact the problem of damage to the wall body.
3. The spliced steel frame adopts a bridge-cutoff structure, thereby completely avoiding cold bridges and improving the heat-insulating property of the wall body.
4. The waterproof vapor-proof film and the waterproof breathable film are additionally arranged between the concrete layer and the heat-insulating layer, so that the heat-insulating layer and metal members in the wall body are prevented from being eroded by water vapor, moisture and the like, the heat-insulating effect of the wall body is improved, and the service life of the wall body is prolonged.
5. The joints are filled with multiple layers, so that the joints are not hollow and cracked.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view showing the structure of an inner prefabricated panel
FIG. 3 is a schematic view of a first outer prefabricated panel structure
FIG. 4 is a schematic diagram of a second outer prefabricated panel structure
FIG. 5 is a schematic view showing a structure of a spliced seam between the first outer prefabricated panel, the inner prefabricated panel and the first outer prefabricated panel;
FIG. 6 is a schematic view of a spliced steel frame structure;
FIG. 7 is an enlarged view of A in FIG. 6;
fig. 8 is an enlarged view of B in fig. 6.
In the attached drawings, 1, a first outer precast slab, 2, an inner precast slab, 3, a second outer precast slab, 4, a fixing plate, 5, a heat insulation layer, 6, a concrete layer, 7, a transverse plate, 8, a reinforcing plate, 9, a section of slab, 10, a bridge-cut-off plate, 11, a section of slab, 12, a longitudinal plate, 13, a front section of slab, 14, a middle section of slab, 15, a rear section of slab, 16, a polyurethane foaming layer, 17, a rubber sealing strip, 18, a structural adhesive layer, 19, alkali-resistant glass fiber mesh cloth, 20, a mortar repairing layer, 21, a rod body, 22, a rod cap, 23, a heat insulation material layer, 24, a heat insulation slurry layer, 101, a bridge-cut-off connecting plate, 102, a bridge-cut-off fastening plate, 141, a middle section of connecting plate, 142, a middle section of fixing plate, 25 and a steel mesh.
Detailed Description
As shown in fig. 1-8, the prefabricated slab is formed by splicing a first outer prefabricated slab 1, an inner prefabricated slab 2 and a second outer prefabricated slab 3 in a concave-convex structure, wherein the first outer prefabricated slab 1, the inner prefabricated slab 2 and the second outer prefabricated slab 3 are all provided with spliced steel frames with the same structure, each spliced steel frame comprises fixing plates 4 arranged at two ends of the inner prefabricated slab 2, the fixing plates 4 are long-strip-shaped and are respectively vertically arranged on two edges of the height direction of the end faces at two ends of the inner prefabricated slab 2, the fixing plates 4 are all provided with corresponding through holes, and the first outer prefabricated slab 1, the inner prefabricated slab 2 and the second outer prefabricated slab 3 are fastened through bolts by means of the fixing plates 4.
The first outer prefabricated plate 1 and the second outer prefabricated plate 3 are respectively arranged at two ends of the inner prefabricated plate 2, the inner prefabricated plate 2 can select the number used in splicing according to actual requirements, when the first outer prefabricated plate 1, the inner prefabricated plate 2 and the second outer prefabricated plate 3 are spliced, the fixing plate 4 is used as a main stress and fastening point, the side faces of the through holes of the fixing plate 4 on the first outer prefabricated plate 1, the inner prefabricated plate 2 and the second outer prefabricated plate 3 are reserved with operation spaces required by fastening bolts, plugging is carried out after fastening is finished, one side of the fixing plate 4 is embedded into the inner prefabricated plate 2, the other side is bent to form an L-shaped structure and is attached to the end face of the inner prefabricated plate 2, the positions of the fixing plates 4 on the first outer prefabricated plate 1, the inner prefabricated plate 2 and the second outer prefabricated plate 3 are the same and correspond to each other, the fixing plate 4 is fixed with steel bars in a wall body through embedded fixing or embedding sides, the prefabricated wall body is prefabricated in a factory, the equipment after transporting the construction site, easy operation during the equipment, it is convenient, split type wall body convenient transportation moreover reduces cost of transportation and single transportation volume, increases the hoist and mount board in 4 upper ends of fixed plate, and the hoist and mount board is outside upwards stretching out prefabricated wall body for convenient transportation and hoist and mount.
As shown in fig. 2, the first outer precast slab 1, the inner precast slab 2 and the second outer precast slab 3 are all of a three-layer structure including a heat insulation layer 5 and an inner and outer concrete layers 6, the cross sections of the concrete layers 6 of the first outer precast slab 1 and the second outer precast slab 3 are C-shaped structures, the fixing plates 4 are correspondingly arranged on the concrete layers 6, and a transverse plate 7 is arranged between the fixing plates 4 at two ends of the concrete layers 6 on the same side.
The cross section of the concrete layer 6 of the first outer precast slab 1 and the second outer precast slab 3 is of a C-shaped structure, the outer side of the first outer precast slab 1 and the outer side of the second outer precast slab 3 do not expose a heat insulation layer 5, the inner side of the first outer precast slab is spliced with the inner precast slab 2, the fixing plates 4 are arranged on the end surfaces of the two ends of the concrete layer 6 to avoid the heat insulation layer 5 from being damaged by stress, the firmness and the stress capability of the fixing plates 4 are further increased by the aid of the transverse plates 7, the contact area between a spliced steel frame and the concrete layer 6 is increased, the fixing plates 4 corresponding to different end surfaces and the same side are connected through the transverse plates 7 to form an H-shaped structure, the transverse plates 7 are additionally arranged according to actual requirements, the fixing plates 4 are directly fixed by the aid of the transverse plates 7, other fixing modes are not needed, a waterproof vapor-proof film and a waterproof breathable film are additionally arranged among the heat insulation layer 6 and the heat insulation layer 5 of the first outer precast slab 1, the inner precast slab 2 and the second outer precast slab 3, the waterproof vapor-proof film is arranged between the concrete layer 6 and the heat insulation layer 5 facing the indoor side, isolated steam avoids the metalwork to receive the erosion, improves the heat preservation effect, and waterproof ventilated membrane is between concrete layer 6 and the heat preservation 5 towards outdoor one side, increases the erosion of the external moisture of convenient for people simultaneously of heat preservation 5 outside emission moisture.
As shown in fig. 6 and 8, a reinforcing plate 8 is arranged between the transverse plates 7 in the concrete layers 6 on different sides.
Increase reinforcing plate 8 between the diaphragm 7, connect fixed plate 4, diaphragm 7 of different homonymies and form an overall structure, make concatenation steelframe wholeness, fastness and intensity further increase.
As shown in fig. 6 and 8, the reinforcing plate 8 includes a first plate 9, a second plate 10, and a third plate 11, wherein one end of the first plate 9 and one end of the second plate 11 are respectively fixed to the transverse plate 7, and the other end of the first plate 9 and the other end of the second plate 11 are respectively fixed to the second plate 10.
In order to reduce the damage to the insulating layer 5, the reinforcing plate 8 can be arranged on the transverse plate 7 between the upper end and the lower end of the fixing plate 4 without penetrating through the insulating layer 5, in order to avoid the cold bridge phenomenon, the reinforcing plate 8 is arranged in a three-section structure, the first section plate 9 and the second section plate 11 are both made of metal materials, the bridge-cut plate 10 is made of metal materials, the bridge-cut-off plate 10 is divided into a bridge-cut-off connecting plate 101 and a bridge-cut-off fastening plate 102 arranged on the upper end surface or the lower end surface of the bridge-cut-off connecting plate 101 to form a T-shaped structure, when in connection, two ends of the broken bridge connecting plate 101 are respectively tightly propped against the first section plate 9 and the second section plate 11 without being fixed, the length of the broken bridge fastening plate 102 is larger than that of the broken bridge connecting plate 101, so that the fixed surface of the bridge-cut fastening plate 102 and the bridge-cut connecting plate 101 is simultaneously attached to the upper end surface or the lower end surface of the first section plate 9 and the second section plate 11, the bridge-cut fastening plate 102 is fastened to the first-stage plate 9 and the second-stage plate 11 by bolts or rivets.
As shown in FIGS. 6 and 7, a vertical plate 12 is arranged between the upper end and the lower end of each of the two fixed plates 4 on the same end surface of the inner precast slab 2.
The longitudinal plates 12 connect the two longitudinal fixed plates 4, so that the spliced steel frame forms a three-dimensional frame structure, the integrity of the spliced steel frame is improved, the strength of the spliced steel frame is further improved, when prefabrication is performed, the spliced steel frame can be integrally processed, the spliced steel frame is integrally sleeved on the heat insulation layer 5 or directly assembled on the heat insulation layer 5, a concrete layer 6 is poured after formwork erection is performed, the prefabrication efficiency is improved, the prefabrication production time is reduced, meanwhile, the longitudinal plates 12 are fixed and only fixed between the upper ends and the lower ends of the fixed plates 4 respectively, the first outer prefabricated plate 1, the inner prefabricated plate 2 and the second outer prefabricated plate 3 are prevented from being blocked when splicing, the cross section of each longitudinal plate 12 is preferably of an L-shaped structure, the strength is high, the inner side of each longitudinal plate can be directly fixed on the corner of the heat insulation layer, and positioning is convenient.
As shown in fig. 6 and 7, the longitudinal plate 12 includes a front plate 13, a middle plate 14, and a rear plate 15, which are connected in sequence, wherein one end of the front plate 13 and one end of the rear plate 15 are fixed to the two fixing plates 4, and the other end of the front plate 13 is fixed to two ends of the middle plate 14.
In order to avoid producing the cold bridge phenomenon, set up longitudinal plate 12 into the syllogic structure, wherein middle section board 14 is non-metallic material, the heat preservation effect of prefabricated plate has effectively been guaranteed, middle section board 14 includes middle section connecting plate 141 and sets up middle section fixed plate 142 in middle section connecting plate 141 upper end or lower extreme, when connecting, middle section connecting plate 141 both ends respectively with anterior segment board 13 and 15 tops of back end board tightly, middle section fixed plate 142 length is greater than middle section connecting plate 141, this moment, middle section fixed plate 142 upper end or lower extreme simultaneously with anterior segment board 13, middle section connecting plate 141 and 15 laminating of back end board, through can fix middle section fixed plate 142 and anterior segment board 13 fast with the help of bolt or rivet, back end board 15 is fixed, and is simple and convenient in operation, effectively avoid the cold bridge.
As shown in fig. 5, the joint seams among the first outer prefabricated panel 1, the inner prefabricated panel 2 and the second outer prefabricated panel 3 are filled with a polyurethane foam layer 16, a rubber sealing bead 17, a structural adhesive layer 18, an alkali-resistant glass fiber mesh fabric 19 and a mortar repair layer 20 from inside to outside in sequence.
When in filling, two sides of the center projection of the first outer precast slab 1, the inner precast slab 2 and the second outer precast slab 3 are filled outwards, namely, two groups of inner and outer sides are filled at each joint respectively, the rubber sealing strips 17 are preset at the splicing positions and are filled after splicing, the polyurethane foaming layer 16 can fill the inside to prevent the generation of hollowness, the structural adhesive layer 18 is used for sealing treatment, a slot is reserved at the outer side of the concrete layer 6, the slot and the splicing seams form a T-shaped structure after splicing, after the splicing seams are sealed by the structural adhesive layer 18, the alkali-resistant glass fiber mesh cloth 19 is laid in the slot and the mortar repairing layer 20 is filled, the cracking of the splicing seams is prevented, the alkali-resistant glass fiber mesh cloth 19 and the mortar repairing layer 20 are bonded with the concrete layer 6 into a whole while the splicing seams are blocked, the integrity of the integral precast slabs is increased, and if the prefabricated first outer precast slab 1, the inner precast slab 2 and the second outer precast slab 3 are directly provided with outer decorative plates, the filling of the alkali-resistant glass fiber mesh 19 and the mortar repair layer 20 at the splicing seams is not required.
As shown in fig. 2, the concrete layer 6 is further provided with a steel bar net rack and tie rods for fixing the steel bar net, and two ends of the tie rods are respectively fixed with the transverse plate 7 and the steel bar net rack at the same time.
The splicing steel frame and the steel bar net rack are fixed by the tie rods, the splicing steel frame can be directly fixed by means of the conventional wall connecting structure, the fixing structure of the splicing steel frame is not required to be additionally arranged, the cost is saved, and the construction efficiency is improved.
As shown in fig. 2, the drawknot rod comprises a rod body 21 and rod caps 22 arranged at two ends of the rod body 21, wherein the rod caps 22 are provided with annular grooves, the inner side of the rod caps 22 and the outer side of the heat preservation layer 5 are tightly propped, and the outer side of the rod caps is fixed with the transverse plate 7 and the reinforcing steel bar net rack.
The pole cap 22 inboard is tight with 5 tops of heat preservation, and the outside is fixed with concatenation steelframe and reinforcing bar rack simultaneously, has guaranteed the distance between 5 and concatenation steelframe of heat preservation and the reinforcing bar rack, and the distance can reduce the intensity of whole prefabricated wall body when laminating on heat preservation 5 too closely even, and the body of rod 21 adopts non-metallic material or pole cap 22 and the body of rod 21 outward appearance to wrap up with non-metallic material, effectively avoids producing the cold bridge.
As shown in fig. 2-4, the concrete layer 6 at one end of the first outer precast slab 1 and the second outer precast slab 3 is provided with a groove extending along the height direction, the bottom of the groove is exposed out of the insulating layer 5 and is sequentially filled with an insulating material layer 23 and an insulating slurry layer 24 from inside to outside.
Through increasing insulation material layer 23 and heat preservation thick liquids layer 24, can improve the thermal insulation performance of whole wall body, increase the intensity of steel mesh 25 in order to increase this position in this position simultaneously, steel mesh 25 both sides are passed insulation thick liquids layer 24 and are fixed with the reinforcing bar net rack.

Claims (10)

1. The prefabricated plate with the assembled ultralow energy consumption is characterized in that: the prefabricated plate is formed by splicing a first outer prefabricated plate (1), an inner prefabricated plate (2) and a second outer prefabricated plate (3) in a concave-convex structure mode, splicing steel frames with the same structure are arranged on the first outer prefabricated plate (1), the inner prefabricated plate (2) and the second outer prefabricated plate (3), the splicing steel frames comprise fixing plates (4) arranged at two ends of the inner prefabricated plate (2), the fixing plates (4) are long-strip-shaped and are respectively vertically arranged on two edges of the end face height direction of the two ends of the inner prefabricated plate (2), corresponding through holes are formed in the fixing plates (4), and the first outer prefabricated plate (1), the inner prefabricated plate (2) and the second outer prefabricated plate (3) are fastened through bolts by means of the fixing plates (4).
2. The prefabricated panel for ultra-low energy consumption of claim 1, wherein: the first outer precast slab (1), the inner precast slab (2) and the second outer precast slab (3) are of a three-layer structure consisting of a heat insulation layer (5) and an inner concrete layer and an outer concrete layer (6), the sections of the concrete layers (6) of the first outer precast slab (1) and the second outer precast slab (3) are of a C-shaped structure, the fixing plates (4) are correspondingly arranged on the concrete layers (6), and transverse plates (7) are arranged between the fixing plates (4) at the two ends of the concrete layers (6) on the same side.
3. The prefabricated panel for ultra-low energy consumption of claim 2, wherein: and reinforcing plates (8) are arranged between the transverse plates (7) in the concrete layers (6) on different sides.
4. The prefabricated panel for ultra-low energy consumption of claim 3, wherein: the reinforcing plate (8) comprises a section of plate (9), a bridge cut-off plate (10) and a section of plate (11), one end of the section of plate (9) and one end of the section of plate (11) are fixed with the transverse plate (7) respectively, and the other end of the section of plate is fixed with the bridge cut-off plate (10) respectively.
5. The prefabricated panel for ultra-low energy consumption of claim 1, wherein: and longitudinal plates (12) are arranged between the upper ends and the lower ends of the two fixed plates (4) on the same end surface of the inner precast slab (2).
6. The prefabricated panel for ultra-low energy consumption of claim 5, wherein: the longitudinal plate (12) comprises a front section plate (13), a middle section plate (14) and a rear section plate (15) which are sequentially connected, one end of the front section plate (13) and one end of the rear section plate (15) are respectively fixed with the two fixing plates (4), and the other end of the front section plate and the other end of the rear section plate are respectively fixed with the two ends of the middle section plate (14).
7. The prefabricated panel for ultra-low energy consumption of claim 1, wherein: and the splicing seams among the first outer precast slab (1), the inner precast slab (2) and the second outer precast slab (3) are sequentially filled with a polyurethane foam layer (16), a rubber sealing batten (17), a structural adhesive layer (18), alkali-resistant glass fiber mesh cloth (19) and a mortar repairing layer (20) from inside to outside.
8. The prefabricated panel for ultra-low energy consumption of claim 2, wherein: concrete layer (6) still are provided with the drawknot pole of reinforcing bar rack and be used for fixed reinforcing bar net, drawknot pole both ends are fixed simultaneously with diaphragm (7) and reinforcing bar rack respectively.
9. The prefabricated panel for ultra-low energy consumption of claim 8, wherein: the drawknot rod comprises a rod body (21) and rod caps (22) arranged at two ends of the rod body (21), annular grooves are formed in the rod caps (22), and the inner side of the rod caps (22) and the outer side of the heat preservation layer (5) are tightly pressed and fixed with the transverse plate (7) and the reinforcing steel bar net rack.
10. The prefabricated panel for ultra-low energy consumption of claim 2, wherein: and grooves extending in the height direction are formed in the concrete layer (6) at one ends of the first outer precast slab (1) and the second outer precast slab (3), the heat-insulating layer (5) is exposed at the bottoms of the grooves, and a heat-insulating material layer (23) and a heat-insulating slurry layer (24) are sequentially filled from inside to outside.
CN202111311660.8A 2021-11-08 2021-11-08 Assembled ultra-low energy consumption prefabricated plate Pending CN113958058A (en)

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CN202111311660.8A CN113958058A (en) 2021-11-08 2021-11-08 Assembled ultra-low energy consumption prefabricated plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111311660.8A CN113958058A (en) 2021-11-08 2021-11-08 Assembled ultra-low energy consumption prefabricated plate

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CN113958058A true CN113958058A (en) 2022-01-21

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CN202111311660.8A Pending CN113958058A (en) 2021-11-08 2021-11-08 Assembled ultra-low energy consumption prefabricated plate

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114809508A (en) * 2022-05-19 2022-07-29 中交第四公路工程局有限公司 Heat preservation and decoration integrated assembled prefabricated plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114809508A (en) * 2022-05-19 2022-07-29 中交第四公路工程局有限公司 Heat preservation and decoration integrated assembled prefabricated plate

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