CN202850246U - External wall insulation system integrally constructed with lightweight-steel framework shear wall - Google Patents

Abstract

The utility model provides an external wall heat preservation system integrated with the construction of a light steel frame shear wall structure. The external wall thermal insulation system includes a thermal insulation board (1), an inner steel wire mesh sheet (2), an outer steel wire mesh sheet (3), obliquely crossing through the thermal insulation board (1) and connecting with the inner steel wire mesh sheet (2) and the outer The oblique steel wires (4) connected by the steel wire mesh (3), and the outer finish base layer (5) on the outer side of the insulation board (1). The external wall thermal insulation system can be factory-produced according to specific specifications, and the thermal insulation board (1) can be combined with the exterior surface base (5) in the factory to form a prefabricated composite thermal insulation board, which can be used as an external wall insulation during construction. The formwork is used without dismantling, and after the concrete is poured, it forms an external wall system with thermal insulation and structural integration together with the main structure. According to engineering needs, a flame-retardant interface agent can be painted on the inner surface of the insulation board (1) or a polymer mortar layer (8) with a fireproof effect can be provided to form a composite insulation board with fireproof surfaces on both sides.

Description

An external wall thermal insulation system integrated with the construction of light steel frame shear wall structure

technical field

The utility model relates to an external wall thermal insulation system of a building, in particular to an external wall thermal insulation system integrated with the construction of a light steel frame shear wall structure and its preparation and application.

Background technique

For housing construction, in addition to meeting some structural requirements in terms of structure and function, the building exterior wall as an enclosure component often needs to have functional performance such as heat preservation, heat insulation, fire prevention, and moisture resistance. In addition, the wall will have different construction technology problems due to engineering needs during the construction process.

In the construction of exterior walls, using traditional techniques often requires steps such as formwork removal, plastering and decoration after removal of the formwork, so the process is complicated and time-consuming.

In recent years, flammable and combustible insulation materials are often used in building components, and the use of such materials has become a new class of fire hazards. Traditional thermal insulation materials, such as polystyrene, polyurethane, etc., most of the difficulties in quality control are during the construction process, and most of the domestic engineering fires are caused by irregular operations during on-site construction, so the construction site fire control Particularly important.

Therefore, it is necessary to improve the structure and construction method of the existing insulation board for the component fabrication and on-site construction of the outer wall.

Contents of the invention

The inventive technology of the utility model provides an external wall heat preservation system. The external wall thermal insulation system can be used for the preparation and construction of the light steel frame shear wall structure, and can be integrated with the construction of the light steel frame shear wall structure.

The exterior wall thermal insulation system integrated with the construction of the light steel frame shear wall structure of the present invention includes a thermal insulation board, an inner steel wire mesh sheet, an outer steel wire mesh sheet, inclined steel wires, and an outer finish base layer arranged on the outer side of the thermal insulation board; wherein , the inner steel wire mesh is arranged on the inner side of the heat preservation board, the outer steel wire mesh is arranged on the outer side of the heat preservation board, and the inclined steel wires are respectively connected to the inner steel wire mesh and the outer steel wire mesh .

The inclined steel wire crosses obliquely through the insulation board, and the two ends of the steel wire are respectively connected with the inner steel wire mesh sheet and the outer steel wire mesh sheet.

The inner steel wire mesh sheet is used to fix the inclined steel wire and connect the heat preservation board and the light steel frame, and the outer steel wire mesh sheet is used to fix the steel wire and connect the outer base layer.

The external wall thermal insulation system of the present invention can be produced in factory according to specific specifications, and compounded with the fine stone concrete layer or polymer mortar layer 5 on the outside of the thermal insulation board in advance in the factory to form a prefabricated composite thermal insulation board for the external wall .

The prefabricated composite thermal insulation board of the exterior wall can also be used as the exterior formwork on the outside of the concrete exterior wall during the construction of the main structure, eliminating the need for the removal process of the exterior formwork, and by connecting with the light steel frame in the load-bearing wall, and pouring the concrete of the exterior wall One-time construction molding, so as to realize the integration of external wall insulation and structural construction.

According to engineering needs, the inner surface of the insulation board can be coated with a barrier layer, such as a flame-retardant interface agent layer or a polymer mortar layer with fireproofing effect.

The external wall thermal insulation system of the present invention is applied to light steel frame shear wall construction, and its method comprises the following steps:

(a) Prefabricated exterior wall thermal insulation system, which includes thermal insulation boards, inner steel wire mesh sheets, outer steel wire mesh sheets, inclined steel wires, and exterior finish base; wherein, the inner steel wire mesh sheets are arranged inside the thermal insulation boards, and the The outer steel wire mesh is arranged on the outer side of the insulation board, and the inclined steel wires are respectively connected to the inner steel wire mesh and the outer steel wire mesh;

(b) Install and position the light steel frame, including installing and fixing the light steel frame with a certain overall rigidity and strength according to the design position of the outer wall;

(c) Install the prefabricated external wall thermal insulation system, including splicing and installing the prefabricated external wall thermal insulation system according to the size requirements of the external wall, including installing the thermal insulation board after each thermal insulation board is installed. The inner steel wire mesh of the prefabricated external wall insulation system is bound and fixed to the light steel frame;

(d) Install the interior wall formwork and support, including installing the support system on both sides after the interior wall formwork is installed and connecting and fixing it with through-wall bolts;

(e) Pouring of concrete, including pouring of concrete in the design space of the external wall where the composite insulation board is installed to form the wall structure.

The external wall insulation system of the present invention has the following advantages in manufacture and construction:

1. The production of thermal insulation board, fine stone concrete mortar or polymer mortar, inclined steel wire and steel wire mesh can be completed in the factory. The construction speed is fast and the processing precision is high, realizing the industrialization of thermal insulation free formwork removal system.

2. The thermal insulation board is inside the fine stone concrete mortar or polymer mortar, which effectively reduces the possibility of fire during construction.

3. The inclined steel wires passing through the insulation board from different angles effectively determine the distance between the steel wire mesh on both sides of the insulation board and the insulation board.

4. The steel wire mesh inside the insulation board and the light steel frame are used to bind and connect, on the one hand, it ensures a reliable connection with the insulation board, and at the same time, it ensures the thickness of the concrete protective layer.

5. The external wall insulation board is also used as external formwork to reduce material consumption and reduce formwork removal operations.

6. The integrated construction of the external wall thermal insulation system and the main structure can greatly improve the construction efficiency and improve the waterproof performance and durability of the thermal insulation system.

Description of drawings

The above brief introduction and the following detailed description of the inventive technology of the present utility model can be better understood in conjunction with the accompanying drawings.

Fig. 1 is a schematic diagram of the installation structure of an external wall thermal insulation system according to a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of the installation structure of an external wall thermal insulation system according to another embodiment of the present invention, wherein the thermal insulation board is coated with a barrier layer on its inner surface.

Detailed ways

In order to make the technical solutions, innovative features, goals and effects of the present invention easy to understand, the present invention will be further elaborated and described below in combination with specific diagrams and through the following specific implementation methods.

In a specific embodiment of the present invention, as shown in Figure 1, the external wall thermal insulation system integrated with the construction of the light steel frame shear wall structure includes a thermal insulation board 1, an inner steel wire mesh 2, and an outer steel wire mesh 3 , oblique steel wire 4 and the exterior base layer 5 arranged on the outside of the heat preservation board 1; wherein, the inner steel wire mesh sheet 2 is arranged on the inner side of the heat preservation board 1, and the outer steel wire mesh sheet 3 is arranged on the inner side of the heat preservation board 1 On the outer side of the thermal insulation board 1 , the inclined steel wires 4 are respectively connected to the inner steel wire mesh sheet 2 and the outer steel wire mesh sheet 3 .

Wherein the oblique steel wire 4 crosses obliquely through the heat preservation board 1 and the two ends of the oblique steel wire 4 are respectively connected with the inner steel wire mesh sheet 2 and the outer steel wire mesh sheet 3 . The connections here can be made by soldering.

The inner steel wire mesh 2 is used to fix the inclined steel wire 4 and connect the insulation board 1 and the light steel frame 6, and the outer steel wire mesh 3 is used to fix the inclined steel wire 4 and connect the outer surface Grassroots 5.

In one embodiment, the distance between the outer steel wire mesh sheet 3 and the heat preservation board 1 is about 5 mm, and the distance between the inner steel wire mesh sheet 2 and the heat insulation board 1 is about 20 mm.

The oblique steel wires 4 are arranged obliquely, pass through and fix the heat preservation board 1 at different angles and intervals, so as to ensure that the inner steel wire mesh 2 and the outer steel wire mesh 3 and the heat preservation board 1 uniform distance.

Preferably, each of the inclined steel wires 4 passes through the insulating board 1 from a direction of 30° to 60° or 120° to 150° from the surface of the insulating plate 1; the inclined steel wires 4 are arranged in a row, and The distance is 100-200mm, and the distance between columns is 100-200mm; and the angles at which each column of the inclined steel wires 4 pass through the thermal insulation board 1 are the same, and the angular intervals between columns are distributed through the thermal insulation panel 1 .

The exterior finish base layer 5 can be a fine stone concrete layer or a polymer mortar layer.

In one embodiment, the thermal insulation board 1 is provided with joints 11 around it, so as to perform waterproof treatment on the joints. Preferably, the width of the seam 11 is about 5-15mm.

In one embodiment, the thermal insulation board 1 is respectively provided with a plurality of surface grooves 12 on its inner surface and outer surface to increase the connection strength between the thermal insulation board 1 and the structural layer and the base layer 5 of the exterior finish. Preferably, the dimensions of the plurality of surface grooves 12 are about 3-8 mm deep, about 20-40 mm long, about 15-30 mm wide, and about 20-50 mm apart.

The inner steel wire mesh sheet is used for binding and connecting with the light steel frame. The mesh size of the steel mesh sheet is preferably 40~150mm×40~150mm.

The external wall thermal insulation system can be factory-produced according to specific specifications, and combined with the fine stone concrete layer or polymer mortar layer 5 on the outside of the thermal insulation board in advance in the factory to form a prefabricated composite thermal insulation board for the external wall. According to engineering requirements, the composite thermal insulation board may include a single or multiple thermal insulation boards 1 .

The prefabricated composite thermal insulation board of the exterior wall can also be used as the exterior formwork on the outside of the concrete exterior wall during the construction of the main structure, eliminating the need for the removal process of the exterior formwork, and by connecting with the light steel frame in the load-bearing wall, and pouring the concrete of the exterior wall One-time construction molding, so as to realize the integration of external wall insulation and structural construction.

As shown in FIG. 2 , according to engineering requirements, the inner surface of the insulation board 1 is coated with a barrier layer 8 . The barrier layer 8 can be a flame-retardant interface agent layer or a polymer mortar layer with a fireproof effect, so that a surface layer with a fireproof effect is formed on both sides of the thermal insulation board 1 . The polymer mortar layer 8 on the inner surface of the thermal insulation board 1 can be connected with the thermal insulation board 1 in advance in the factory to form a prefabricated composite thermal insulation board with fireproof surface layers on both sides. In this way, the external wall thermal insulation system and the main structure jointly form an external wall structure with both thermal insulation and fire prevention functions.

In another specific embodiment, the external wall thermal insulation system of the present invention is applied to the light steel frame shear wall construction, and its method includes the following steps:

(a) Prefabricated external wall thermal insulation system, which includes thermal insulation board 1, inner steel wire mesh sheet 2, outer steel wire mesh sheet 3, inclined steel wire 4 and outer finish base layer 5; wherein, the inner steel wire mesh sheet 2 is set on the Inside the insulation board 1, the outer steel wire mesh sheet 3 is arranged on the outer side of the insulation board 1, and the inclined steel wires 4 are respectively connected to the inner steel wire mesh sheet 2 and the outer steel wire mesh sheet 3;

(b) Install and position the light steel frame, including installing and fixing the light steel frame 6 with a certain overall rigidity and strength according to the design position of the outer wall;

(c) Install the prefabricated external wall thermal insulation system, including splicing and installing the prefabricated external wall thermal insulation system according to the size requirements of the shear wall, including installing each thermal insulation board 1 The inner steel wire mesh sheet 2 is bound and fixed to the light steel frame 6;

(d) Install the interior wall formwork and support, including installing the support system on both sides after the interior wall formwork is installed and connecting and fixing it with through-wall bolts;

(e) Pouring of concrete, including pouring of concrete in the design space of the external wall where the composite insulation board is installed to form the wall structure.

In the description herein, the products and related methods of the present invention are described as special shapes, materials or process sequences, and some detailed parameters are provided for the purpose of illustration for some specific embodiments. However, it should be understood that these specific descriptions do not limit the technical solutions of the present invention; that is to say, changes and modifications related to shapes, materials or process sequences are still included in the spirit and scope of the present invention.

The above specific implementations are for the purpose of illustrating and explaining the content of the invention of the utility model, and are not intended to limit the scope of the invention of the utility model in any way. Changes in equivalent structures or materials made by those skilled in the art using the description and claims of the utility model shall all fall within the protection scope of the utility model.

Claims (14)

1. One kind with the light integrated exterior wall heat-preserving system of steel framework Shear Wall Structure Construction, it is characterized in that, described exterior wall heat-preserving system comprises warming plate (1), inboard steel fabric sheet (2), outside steel fabric sheet (3), oblique steel wire (4) and the outside finish basic unit (5) that is arranged at described warming plate (1) outside; Wherein, described inboard steel fabric sheet (2) is arranged at the inboard of described warming plate (1), described outside steel fabric sheet (3) is arranged at the outside of described warming plate (1), and described oblique steel wire (4) connects respectively described inboard steel fabric sheet (2) and described outside steel fabric sheet (3).
2. 2. exterior wall heat-preserving system according to claim 1, the two ends that wherein said oblique steel wire (4) diagonal cross is passed described warming plate (1) and described oblique steel wire (4) link together with inboard steel fabric sheet (2) and outside steel fabric sheet (3) respectively.
3. 3. exterior wall heat-preserving system according to claim 2, wherein said oblique steel wire (4) two ends link together with inboard steel fabric sheet (2) and outside steel fabric sheet (3) mode by welding respectively.
4. 4. exterior wall heat-preserving system according to claim 2, wherein said inboard steel fabric sheet (2) is used for fixing described oblique steel wire (4) and connects described warming plate (1) and light steel framework (6), and described outside steel fabric sheet (3) is used for fixing described oblique steel wire (4) and links described outside finish basic unit (5).
5. 5. exterior wall heat-preserving system according to claim 4, wherein said outside steel fabric sheet (3) and described warming plate (1) be at a distance of about 5mm, and described inboard steel fabric sheet (2) and described warming plate (1) are at a distance of about 20mm.
6. 6. exterior wall heat-preserving system according to claim 4, wherein said oblique steel wire (4) is oblique setting, passed and fixing described warming plate (1) by different angles and interval, thereby guarantee unified distance between described inboard steel fabric sheet (2) and described outside steel fabric sheet (3) and the described warming plate (1).
7. 7. exterior wall heat-preserving system according to claim 1, wherein said oblique steel wire (4) become respectively the direction of 30 ~ 60 ° or 120 ~ 150 ° to pass described warming plate (1) separately from the surface with described warming plate (1); Described oblique steel wire (4) becomes row setting, and column pitch is listed as interior spacing 100 ~ 200mm from 100 ~ 200mm; And the angle that the every row of described oblique steel wire (4) pass described warming plate (1) is identical, and the angle intervals of passing described warming plate (1) between row and the row distributes.
8. 8. exterior wall heat-preserving system according to claim 1, wherein said outside finish basic unit (5) is pea gravel concreten layer or polymer mortar layer.
9. 9. exterior wall heat-preserving system according to claim 1, wherein said warming plate (1) stay around it and establish piece (11), in order to carry out waterproofing work at edge joint position when splicing.
10. 10. exterior wall heat-preserving system according to claim 9, the width of wherein said piece (11) are about 5 ~ 15mm.
11. 11. exterior wall heat-preserving system according to claim 1, wherein said warming plate (1) within it surperficial and external surface are respectively equipped with a plurality of surface grooves (12), in order to increase the bonding strength of described warming plate (1) and deck and outside finish basic unit (5).
12. 12. exterior wall heat-preserving system according to claim 11, wherein said a plurality of surface grooves (12) are of a size of dark approximately 3 ~ 8mm, are about 20 ~ 40mm, wide approximately 15 ~ 30mm, and spacing is 20 ~ 50mm approximately.
13. 13. exterior wall heat-preserving system according to claim 1, wherein said warming plate (1) within it surface scribble barrier layer (8).
14. 14. exterior wall heat-preserving system according to claim 13, wherein said barrier layer (8) are flame-retardant interfacial agent layer or the polymer mortar layer with fireproofing function, thereby all form the surface layer with fireproofing function in described warming plate (1) both sides.

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