CN106978877B - Steel wire mesh frame composite sandwich wallboard with three layers of heat insulation boards arranged inside and construction method of steel wire mesh frame composite sandwich wallboard - Google Patents
Steel wire mesh frame composite sandwich wallboard with three layers of heat insulation boards arranged inside and construction method of steel wire mesh frame composite sandwich wallboard Download PDFInfo
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- CN106978877B CN106978877B CN201710333612.6A CN201710333612A CN106978877B CN 106978877 B CN106978877 B CN 106978877B CN 201710333612 A CN201710333612 A CN 201710333612A CN 106978877 B CN106978877 B CN 106978877B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/324—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with incisions or reliefs in the surface
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Abstract
The invention relates to a steel wire mesh frame composite sandwich wallboard with a built-in three-layer heat insulation board and a construction method thereof, belonging to the technical field of building energy conservation and heat insulation, and comprising a steel wire mesh frame, a three-layer heat insulation board and concrete layers, wherein the steel wire mesh frame consists of two steel wire mesh sheets which are parallel to each other and a plurality of cold-drawn obliquely inserted steel wires for connecting the two steel wire mesh sheets, the three-layer heat insulation board is clamped between the two steel wire mesh sheets, and the concrete layers are arranged on two sides of the heat insulation board; the steel wire mesh sheet is formed by welding steel wires in a criss-cross mode; the three layers of insulation boards comprise a thicker main insulation board in the middle, thinner insulation boards are respectively arranged at two sides of the main insulation board at intervals, the insulation boards at two sides are distributed in a zigzag manner at two sides of the main insulation board in the middle, and the insulation board at any side can cover the joint position of the main insulation board in the middle; the joints of the three layers of insulation boards are bonded by adhesive. The invention improves the heat insulation performance of the wall body well and increases the structural rigidity and the integrity of the wall body.
Description
Technical Field
The invention relates to a wall, in particular to a steel wire mesh frame composite sandwich wallboard with three layers of built-in insulation boards and a construction method thereof, and belongs to the technical field of building energy conservation and insulation.
Background
The composite heat-insulating sandwich wall is formed by placing heat-insulating materials (such as polyphenyl, rock wool, glass wool and the like) between two walls and arranging a tie piece between an inner leaf wall and an outer leaf wall. The wall body is generally composed of an inner leaf wall, a heat insulation layer and an outer leaf wall, and the heat insulation material is arranged in the middle of the outer wall body, so that the protection effect of the wall body material is favorably exerted, the reinforcing surface layer of the heat insulation layer and the material layer is omitted, and the manufacturing cost is relatively reduced. At present, the drawknot parts for connecting the middle parts of the inner wall and the outer wall are usually connected by inclined inserted wires or a rivet part connecting piece; the panels are also divided into cast-in-place and prefabricated panels. With the national implementation of building industrialization and the requirement on energy-saving and heat-insulating, the composite heat-insulating wall with the structure and heat-insulating integration has wide application prospect.
At present, domestic composite heat-insulating wall bodies mainly use filling walls, have limited bearing capacity and are limited in application in bearing walls, so that the development of a composite heat-insulating wall body which can meet the requirements of energy conservation and heat insulation and can meet the bearing requirements of the bearing walls is very important. The composite heat-insulating sandwich wall body with the steel wire mesh frame as the framework is characterized in that cold-drawn low-carbon galvanized steel wires are welded into a three-dimensional truss by using special equipment, a heat-insulating plate with a certain thickness is filled in the middle of the truss to form a rigid integral heat-insulating core plate, and cement mortar or fine stone concrete is sprayed on two sides of the core plate to form a complete plate, namely the steel wire mesh frame composite heat-insulating sandwich plate. The wall body has light dead weight and large bearing capacity, can be applied to a filler wall in a frame structure, and can be used as a shear wall in a shear wall structure. The technology is mature abroad, and a structural system taking the technology as a main body is formed.
At present, two kinds of composite heat-insulating sandwich wall bodies are mainly used, one kind is a sandwich prefabricated wall body which takes a rod-shaped pulling piece as a connector, and the sandwich wall body is mainly used as a filler wall; the second one is to use the steel wire mesh as the skeleton, and the wall body with shear resistance and compression resistance can be used as a bearing wall. ZL 200920142762.X discloses a steel wire net battenboard, including two steel wire face nets that are parallel to each other, the core of clamp between two steel wire face nets to and a plurality of oblique plug wires that are used for connecting two steel wire face nets, steel wire face net form by the welding of a plurality of face net steel wires that intersect vertically and horizontally on same root face net steel wire of steel wire face net, oblique plug wire respectively to the opposite direction slope in both ends of face net steel wire, and to the oblique plug wire of opposite direction slope be crisscross distribution on the face net steel wire. However, the core material heat insulation board is often formed by assembling the core material heat insulation board in blocks, and cold bridges are easily caused at the joints to influence the heat insulation effect; the two sides of the heat-insulating layer are relatively flat, so that the connection occlusion force between the heat-insulating layer and the concrete layer is difficult to ensure. CN 205822576U discloses a sandwich heat-insulating wall panel, which consists of a transverse constraint edge component, a vertical constraint edge component, a reinforced concrete slab, a polystyrene foam slab, tie bars, a frame beam, a sandwich heat-insulating wall panel, frame columns and a welding part of connecting reinforcing steel bars; the transverse constraint edge component and the vertical constraint edge component are poured with the sandwich heat-insulation wallboard of the heat-insulation wallboard; the polystyrene foam board is connected with the sandwich heat-insulation wall board through the tie bars, and the frame beams and the frame columns are poured with the sandwich heat-insulation wall board through the tie bars; the polystyrene foam board is connected with the sandwich heat-insulation wall board through tie bars, and the frame beams and the frame columns are connected with the sandwich heat-insulation wall board through the welding positions of the connecting steel bars. However, the heat insulation plates are not arranged at the vertical constraint component and the transverse constraint component, so that a great cold bridge is caused, and the heat insulation effect is greatly reduced. CN 205976201U discloses a prefabricated composite heat preservation wall, including concrete prefabricated layer and heat preservation, set up a plurality of oblique steel wires between concrete prefabricated layer and the heat preservation, oblique steel wire both ends set up corresponding dovetail and dovetail respectively. However, the scheme is suitable for the construction of the outer wall, and for the inner wall, the concrete on the two sides is respectively constructed in a field processing factory, so that the labor force is increased invisibly, the weight of the member in the assembling process is increased, and the assembling difficulty is increased.
Disclosure of Invention
The invention aims to overcome the defects and provides a steel wire mesh frame composite sandwich wallboard with three built-in insulation boards and a construction method thereof, which are used for improving the insulation performance, improving the adhesive force between the insulation boards and a concrete layer, enhancing the strength of a composite wall structure and solving the problems of insulation, adhesion, strength and the like of the wall.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a steel wire mesh frame composite sandwich wallboard with a built-in three-layer heat insulation board, which comprises a steel wire mesh frame, a three-layer heat insulation board and concrete layers, wherein the steel wire mesh frame consists of two parallel steel wire mesh sheets and a plurality of cold-drawn obliquely inserted steel wires for connecting the two steel wire mesh sheets; the steel wire mesh is formed by welding steel wires in a criss-cross mode; the three layers of insulation boards comprise a thicker main insulation board in the middle, thinner insulation boards are respectively arranged at intervals on two sides of the main insulation board, the insulation boards on two sides are distributed in a zigzag manner on two sides of the main insulation board in the middle, and the insulation board on any side can cover the joint position of the main insulation board in the middle; the joints of the three layers of insulation boards are bonded through an adhesive; the cold-drawing inclined steel wires are distributed in an X shape or an eight shape.
Further, the thickness of the middle main heat preservation plate is 40mm-150mm; the width of each of the two side heat insulation plates is 300mm, the thickness of each of the two side heat insulation plates is 30mm-80mm, and the distance between every two adjacent heat insulation plates is 250mm.
Further, the three-layer heat-insulation board is made of EPS, XPS and rock wool materials,
further, the concrete layer is constructed by adopting field spraying or is prefabricated in a factory, and the thickness of the concrete layer is 50mm-100mm. The strength grade of the concrete layer is at least 20MPa.
Furthermore, the cold-drawing inclined steel wire is a cold-drawing steel wire with the diameter of 3mm, and the cold-drawing inclined steel wire is subjected to zinc plating and corrosion prevention treatment.
Furthermore, the steel wire mesh sheets are formed by welding steel wires with transverse intervals and longitudinal intervals of 50mm in a criss-cross mode.
The construction method of the steel wire mesh frame composite sandwich wallboard with the three layers of insulation boards inside comprises the following steps:
a; customizing and producing a steel wire mesh frame heat insulation layer consisting of a steel wire mesh frame and three layers of heat insulation plates according to design requirements, wherein the steel wire mesh frame heat insulation layer comprises three layers of heat insulation plates, distribution of cold-drawn oblique inserted steel wires and a distance between two layers of steel wire mesh sheets;
b: splicing the heat-insulating layers of the steel wire mesh frames on a construction site, and reinforcing the spliced seams by using two layers of steel wire mesh sheets; at the lap joint with the vertical constraint component, the outer side of the vertical constraint component is wrapped by extending the heat-insulating layer on the outer side, so that full-coverage heat insulation can be realized, and the additional heat-insulating layer and the additional steel wire net rack are arranged on the outer side of the position of the vertical constraint component and are connected with the wall bodies on the two sides in a reasonable node manner;
c: pouring concrete: the concrete layer is prefabricated outside the steel wire net frame heat-insulating layer in advance in a factory, or concrete spraying is carried out on the spot.
Compared with the prior art, the invention has the following beneficial effects:
(1) The three layers of insulation boards are spliced, so that a cold bridge at the spliced seam is avoided, and the insulation performance is improved;
(2) The three insulation boards are reasonably spliced, and serrated branches are formed on two sides of each insulation board, so that the engaging force of the contact surface of each insulation board and the concrete layer is enhanced;
(3) The occlusion force of the heat-insulating layer and the concrete layer is increased, so that the structural rigidity is increased;
(4) The heat-insulating layers are concave-convex and alternate, so that the spraying and leveling of the concrete layer are facilitated;
(5) Through assembling outer heat preservation and pouring with vertical restraint component, strengthened its wholeness, improved the thermal insulation performance.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention using an "X" type oblique cutting wire
FIG. 2 is a schematic structural view of the present invention using an eight-shaped oblique cutting wire
In the figure: 1-a heat insulation board; 2-a concrete layer; 3-cold drawing the inclined steel wire; 4-steel wire mesh sheets; 5-adhesive.
Detailed Description
The present invention will be further illustrated with reference to the following examples.
Example 1:
as shown in figure 1, the steel wire mesh frame composite sandwich wallboard with the built-in three-layer insulation board comprises a steel wire mesh frame, a three-layer insulation board 1 and concrete layers 2, wherein the steel wire mesh frame is composed of two parallel steel wire mesh sheets 4 and a plurality of cold-drawn inclined inserted steel wires 3 with the diameter of 3mm and used for connecting the two steel wire mesh sheets 4, the three-layer insulation board 1 is clamped between the two steel wire mesh sheets 4, and the concrete layers 2 are arranged on two sides of the insulation board 1. The cold-drawn inclined steel wires 3 are distributed in an X shape. The steel wire mesh sheet 4 is formed by welding steel wires with 50mm transverse intervals and longitudinal intervals in a crisscross mode. The three layers of insulation boards 1 comprise a thicker main insulation board 1 in the middle layer, and thinner insulation boards 1 are respectively arranged at intervals on two sides of the main insulation board 1; the thickness of the middle main heat-preservation plate is 40mm-150mm; the width of each of the two side heat insulation plates is 300mm, the thickness of each of the two side heat insulation plates is 30mm-80mm, and the distance between every two adjacent heat insulation plates is 250mm. The three-layer heat-insulation board 1 is made of EPS, XPS and rock wool materials. Both sides heated board 1 is "horse tooth racking" distribution in 1 both sides of main heated board in the middle, and wherein heated board 1 of arbitrary one side can cover the piece position of main heated board 1 in the middle. The joints of the three layers of insulation boards 1 are bonded by an adhesive 5. Wherein, the concrete layer 2 adopts the field spraying construction or the factory prefabrication, the thickness is 50mm-100mm, and the strength grade of the concrete layer 2 is at least 20MPa. The cold-drawn oblique steel wire 3 is subjected to zinc plating and corrosion prevention treatment.
The construction method of the steel wire mesh frame composite sandwich wallboard with the three layers of insulation boards inside comprises the following steps:
a; customizing and producing a steel wire mesh rack heat insulation layer consisting of a steel wire mesh rack and three layers of heat insulation plates 1 according to design requirements, wherein the steel wire mesh rack heat insulation layer comprises the thickness of the three layers of heat insulation plates 1, the distribution of cold-drawing inclined inserted steel wires 3 and the distance between two layers of steel wire mesh sheets 4;
b: splicing the heat-insulating layers of the steel wire mesh frames on a construction site, and reinforcing the spliced seams by using two layers of steel wire mesh sheets 4; at the lap joint with the vertical constraint component, the outer side of the vertical constraint component is wrapped by extending the heat-insulating layer on the outer side, so that full-coverage heat insulation can be realized, and the additional heat-insulating layer and the additional steel wire net rack are arranged on the outer side of the position of the vertical constraint component and are connected with the wall bodies on the two sides in a reasonable node manner;
c: pouring concrete: the concrete layer 2 is prefabricated on the outer side of the steel wire mesh frame heat-insulating layer in advance in a factory, or concrete spraying is carried out on the site.
Example 2
As shown in fig. 2, the cold-drawn oblique steel wires 3 of the steel wire mesh frame composite sandwich wall panel with three layers of insulation boards built therein are distributed in a splayed shape, and the arrangement and construction method of other structures are the same as those of embodiment 1, and are not described in detail here.
According to the invention, the three layers of insulation boards are spliced through the built-in steel wire mesh frame, so that a cold bridge at a splicing seam is avoided, the insulation performance is improved, and the three layers of insulation boards are reasonably spliced to form a serrated raft, so that the engaging force of the contact surface of the insulation boards and concrete is enhanced, and the rigidity of the structure is increased; the concave-convex parts on the two sides of the heat-insulating layer are alternated, so that the concrete layer can be sprayed and leveled on site; through assembling together with vertical restraint component and pouring, strengthened its wholeness, have reasonable in design, structural strength height and save material's advantage.
The foregoing is an illustrative description of the present invention and is not intended to detail any simple modification, equivalent changes and modifications, which may be made to the above embodiments by using novel technical entities, and fall within the scope of the present invention.
Claims (2)
1. The utility model provides a compound core wallboard of pressing from both sides of wire net frame of built-in three-layer heated board which characterized in that: the insulation board comprises a steel wire mesh frame, a three-layer insulation board (1) and concrete layers (2), wherein the steel wire mesh frame consists of two steel wire mesh sheets (4) which are parallel to each other and a plurality of cold-drawn oblique steel wires (3) used for connecting the two steel wire mesh sheets (4), the three-layer insulation board (1) is clamped between the two steel wire mesh sheets (4), and the concrete layers (2) are arranged on two sides of the insulation board (1); the steel wire mesh sheets (4) are formed by welding steel wires in a criss-cross mode; the three-layer insulation board (1) comprises a thicker main insulation board (1) in the middle, thinner insulation boards (1) are respectively arranged at two sides of the three-layer insulation board at intervals, the insulation boards (1) at two sides are distributed in a zigzag manner at two sides of the main insulation board (1) in the middle, and the insulation board (1) at any side can cover the splicing position of the main insulation board (1) in the middle; the joints of the three layers of insulation boards (1) are bonded through an adhesive (5); the cold-drawn oblique steel wires are distributed in an X shape or an eight shape;
the thickness of the middle main heat-preservation plate is 40mm-150mm; the width of each of the two heat-insulation boards at the two sides is 300mm, the thickness of each of the two heat-insulation boards is 30mm-80mm, and the distance between every two adjacent heat-insulation boards is 250mm; the three-layer heat-insulation plate (1) is made of EPS (expandable polystyrene), XPS (extruded polystyrene) and rock wool materials; the concrete layer (2) is constructed by spraying on site or prefabricated in factories, and the thickness of the concrete layer is 50-100 mm; the strength grade of the concrete layer (2) is at least 20MPa; the cold-drawing inclined steel wire (3) is a cold-drawing steel wire with the diameter of 3mm, and the cold-drawing inclined steel wire (3) is subjected to zinc plating and corrosion prevention treatment; the steel wire mesh (4) is formed by welding steel wires with transverse intervals and longitudinal intervals of 50mm in a crisscross mode.
2. A construction method of a steel wire mesh frame composite sandwich wallboard with the built-in three-layer insulation boards, which is disclosed by claim 1, is characterized in that: the method comprises the following steps:
a: customizing and producing a steel wire mesh rack heat insulation layer consisting of a steel wire mesh rack and three layers of heat insulation plates (1) according to design requirements, wherein the steel wire mesh rack heat insulation layer comprises the thickness of the three layers of heat insulation plates (1), the distribution of cold-drawn oblique inserted steel wires (3) and the distance between two layers of steel wire mesh sheets (4);
b: splicing the heat-insulating layers of the steel wire mesh frames on a construction site, and reinforcing the spliced seams by using two layers of steel wire mesh sheets (4); at the lap joint with the vertical constraint component, the outer side of the vertical constraint component is wrapped by extending the heat-insulating layer on the outer side, so that full-coverage heat insulation can be realized, and the additional heat-insulating layer and the additional steel wire net rack are arranged on the outer side of the position of the vertical constraint component and are connected with the wall bodies on the two sides in a reasonable node manner;
c: pouring concrete: the concrete layer (2) is prefabricated on the outer side of the steel wire mesh frame heat-insulating layer in advance in a factory, or concrete spraying is carried out on the site.
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| CN201710333612.6A CN106978877B (en) | 2017-05-12 | 2017-05-12 | Steel wire mesh frame composite sandwich wallboard with three layers of heat insulation boards arranged inside and construction method of steel wire mesh frame composite sandwich wallboard |
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| CN201710333612.6A CN106978877B (en) | 2017-05-12 | 2017-05-12 | Steel wire mesh frame composite sandwich wallboard with three layers of heat insulation boards arranged inside and construction method of steel wire mesh frame composite sandwich wallboard |
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| CN108532789A (en) * | 2018-04-27 | 2018-09-14 | 许玉江 | A kind of reduced form heat-preserving wall and its form of construction work |
| CN108487540A (en) * | 2018-05-18 | 2018-09-04 | 张静华 | A kind of steel plate mesh frame and combinations thereof wall |
| CN108978906A (en) * | 2018-09-13 | 2018-12-11 | 山东隆济时节能科技股份有限公司 | Steel wire net rack composite support insulation board and its construction method |
| CN109162373B (en) * | 2018-10-31 | 2023-12-19 | 山东方正绿色建筑产业有限公司 | Precast concrete sandwich insulation board and preparation method thereof |
| CN110409701B (en) * | 2019-07-25 | 2021-04-13 | 中国十七冶集团有限公司 | Prefabricated concrete member composite filling structure of fabricated building |
| CN112060737A (en) * | 2020-09-21 | 2020-12-11 | 南京工业职业技术大学 | High-strength polyurethane material |
| CN112726889A (en) * | 2020-12-31 | 2021-04-30 | 重庆市臻成建材有限公司 | Production method of sound-insulation heat-preservation light wallboard capable of being assembled for construction |
| CN112809906A (en) * | 2020-12-31 | 2021-05-18 | 重庆市臻成建材有限公司 | Production method of steel wire mesh frame double-layer sound-insulation heat-preservation light batten |
| CN112976252A (en) * | 2021-02-18 | 2021-06-18 | 重庆正扬泰新材料有限公司 | Production method of sound insulation and heat preservation form-removal-free concrete floor slab capable of being assembled for construction |
| CN115075424B (en) * | 2022-07-07 | 2023-12-19 | 北京金冀东日科技发展有限公司 | Prefabricated heat preservation wall body |
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| US4841702A (en) * | 1988-02-22 | 1989-06-27 | Huettemann Erik W | Insulated concrete building panels and method of making the same |
| CN2505540Y (en) * | 2001-09-07 | 2002-08-14 | 张晶廷 | Light load-bearing eccentric mesh board |
| CN101280580B (en) * | 2008-05-06 | 2011-08-17 | 张晶廷 | Load bearing screen plate and load bearing masonry composite building structure as well as construction method thereof |
| CN202644752U (en) * | 2011-11-15 | 2013-01-02 | 赵仲星 | Thermal insulation wallboard |
| CN203947620U (en) * | 2014-07-12 | 2014-11-19 | 淄博天强节能科技有限公司 | Architecture-integral heat-insulating wall structure |
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