Steel structure self-heat-preservation damp-proof decorative wall and preparation method

Abstract

The invention provides a steel structure self-insulation damp-proof decorative wall and a preparation method thereof. The steel structure self-heat-preservation damp-proof decorative wall comprises a bottom frame, profile steel stand columns, first blocking strips and a decorative panel, the two ends of each profile steel stand column are connected with the bottom frame, and the first blocking strips are perpendicular to the profile steel stand columns, connected with the bottom frame and fixed to the profile steel stand columns making contact with the first blocking strips. A vapor barrier layer, a heat preservation layer and an anti-crack protection layer are sequentially arranged between every two adjacent profile steel stand columns from the first blocking strips to the outside, and the decoration panels are connected with the two adjacent profile steel stand columns. According to the steel structure self-heat-preservation damp-proof decorative wall, the vapor-proof layer, the heat preservation layer and the anti-freezing and anti-cracking layer are sequentially arranged, so that vapor in the south and plum rain weather can be completely blocked, the condensation phenomenon of an indoor wall body is effectively prevented, and meanwhile the excellent heat preservation effect is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of building walls, in particular to a steel structure self-insulating moisture-proof decorative wall and a preparation method thereof. Background Art

[0002] As urbanization continues to advance around the world, the construction industry has an increasing demand for efficient and high-quality construction methods, and steel-concrete prefabricated components have performed outstandingly in residential construction. In many national inspections, residential construction projects have adopted prefabricated components to meet the housing needs of the rapidly growing population. Steel-concrete prefabricated wall panels, slab buildings, etc. can be standardized in factories with controllable quality, and can be quickly assembled after being transported to the site, greatly shortening the construction period.

[0003] With the gradual promotion of prefabricated buildings, thermal insulation wall panels are gradually being prepared in a prefabricated manner. Due to the common return of the south wind and plum rain weather in the south, water usually leaks from the walls inside the houses. Therefore, the existing steel structure self-insulating and moisture-proof walls need to be improved. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a steel structure self-insulating and moisture-proof decorative wall and a preparation method thereof, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] According to a first aspect of the present invention, there is provided a steel structure self-insulating and moisture-proof decorative wall, comprising a bottom frame, steel columns, a first bar and a decorative panel, wherein both ends of the steel columns are connected to the bottom frame, the first bar is perpendicular to the steel columns and connected to the bottom frame, and is fixed to the contacting steel columns, a vapor barrier layer, a thermal insulation layer and an anti-cracking protective layer are arranged in sequence between two adjacent steel columns from the first bar outward, and the decorative panel is connected to two adjacent steel columns.

[0009] Preferably, a second bar is provided between the vapor barrier layer and the thermal insulation layer, and the second bar is perpendicular to the first bar and connected to the bottom frame.

[0010] Preferably, the vapor barrier is connected to the steel column and the bottom frame via butyl tape.

[0011] Preferably, the thermal insulation layer comprises an adhesive layer and an expanded polystyrene board, and the adhesive layer connects the vapor barrier layer and the expanded polystyrene board.

[0012] Preferably, the antifreeze and anti-cracking layer is composed of a first anti-cracking mortar layer, an alkali-resistant glass fiber mesh cloth and a second anti-cracking mortar layer in order from the thermal insulation layer outwards, and the thermal insulation layer and the antifreeze and anti-cracking layer are connected by plastic expansion anchors.

[0013] Preferably, a sealing strip is provided between adjacent decorative panels.

[0014] According to a second aspect of the present invention, a method for preparing a steel structure self-insulating and moisture-proof decorative wall is provided, comprising the following steps:

[0015] S1. Fix both ends of the steel column on the bottom frame, and the first gear bar is perpendicular to the steel column and connected to the bottom frame, and is fixed to the contacting steel column;

[0016] S2. Lay a vapor barrier layer, a thermal insulation layer and an anti-cracking protective layer on the first strip between two adjacent steel columns in sequence;

[0017] S3. Lay a decorative panel between two adjacent steel columns to ensure that the decorative panel is fixedly connected to the two adjacent steel columns.

[0018] Preferably, in step S2, after the vapor barrier layer is laid, butyl tape is used to connect the four sides of the vapor barrier layer to the steel columns and the bottom frame, and the second bar is connected to the bottom frame perpendicular to the first bar.

[0019] Preferably, in the process of laying the thermal insulation layer, firstly, an adhesive is coated on the surface of the second step strip, and then the expanded polystyrene board is laid on the surface of the adhesive.

[0020] Preferably, in the process of laying the antifreeze and anti-cracking layer, anti-cracking glue is first coated on the surface of the expanded polystyrene board, then alkali-resistant glass fiber mesh cloth is laid, and after connecting it to the expanded polystyrene board using plastic expansion bolts, anti-cracking glue is finally coated on the surface of the alkali-resistant glass fiber mesh cloth.

[0021] (III) Beneficial effects

[0022] The present invention provides a steel structure self-insulating moisture-proof decorative wall and a preparation method thereof. It has the following beneficial effects:

[0023] (1) The scheme provides a steel structure self-insulating and moisture-proof decorative wall, which can completely block water vapor in the return of the south wind and plum rain weather by sequentially arranging a vapor barrier layer, a thermal insulation layer and an anti-freeze and anti-cracking layer, effectively preventing condensation from occurring on the walls of the house, and at the same time, has an excellent thermal insulation effect.

[0024] (2) The scheme provides a steel structure self-insulating and moisture-proof decorative wall, which can improve the bearing capacity and durability of the decorative wall through the fixed connection between the bottom frame, the steel column and the stop bar.

[0025] (3) This solution provides a method for preparing a steel structure self-insulating and moisture-proof decorative wall. The preparation method is simple, can avoid on-site wet operations, and save resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A structural schematic diagram of a steel structure self-insulating and moisture-proof decorative wall provided by the present invention;

[0027] Figure 2 A front view of a steel structure self-insulating and moisture-proof decorative wall provided by the present invention;

[0028] In the figure, 1. bottom frame; 2. steel column; 3. first gear strip; 4. decorative panel; 5. vapor barrier layer; 6. thermal insulation layer; 7. anti-cracking protective layer; 8. second gear strip; 9. sealing strip; 61. bonding layer; 62. expanded polystyrene board; 71. first anti-cracking mortar layer; 72. alkali-resistant glass fiber mesh cloth; 73. second anti-cracking mortar layer; 74. plastic expansion anchor bolt. DETAILED DESCRIPTION

[0029] In order to better illustrate the content of the present invention, a detailed description is given below in conjunction with specific embodiments.

[0030] according to Figure 1 and Figure 2 As shown, the present invention provides a steel structure self-insulating and moisture-proof decorative wall, comprising a bottom frame 1, the bottom frame 1 is a rectangular bottom frame formed by welding square steels, the steel columns 2 are selected from H-shaped steels, both ends of the steel columns 2 are connected to the bottom frame 1 by welding, the first bar 3 is selected from a plate with a width of 5 cm, the first bar 3 is perpendicular to the steel columns 2 and connected to the bottom frame 1 by welding, and is connected to the flange plates of the contacting steel columns 2 by welding, a vapor barrier 5, a thermal insulation layer 6 and an anti-crack protective layer 7 are arranged in sequence from the first bar 3 to the outside between the webs of two adjacent steel columns 2, the thickness of the vapor barrier 5, the thermal insulation layer 6 and the anti-crack protective layer 7 is the same as the width of the webs of the steel columns 2, a decorative panel 4 is arranged on the outside of the anti-crack protective layer 7, and the decorative panel 4 is connected to the flange plates of the two adjacent steel columns 2 by bolts. The present invention lays a vapor barrier layer 5, a thermal insulation layer 6 and an anti-cracking protective layer 7 in sequence on a wall formed by a bottom frame 1, a steel column 2 and a first gear bar 3, so that the wall can effectively isolate water vapor during the self-insulation process and avoid the occurrence of condensation on the wall during the return of south wind and plum rain weather.

[0031] As a preferred embodiment, in this embodiment, a second bar 8 is provided between the vapor barrier layer 5 and the thermal insulation layer 6. The second bar 8 is connected to the bottom frame 1 perpendicularly to the first bar 3. By providing the second bar 8 between the vapor barrier layer 5 and the thermal insulation layer 6, on the one hand, support can be provided for the vapor barrier layer 5, and on the other hand, contact and connection between the thermal insulation layer 6 and the vapor barrier layer 5 can be avoided.

[0032] As a preferred implementation, in this embodiment, the vapor barrier layer 6 is connected to the steel column 2 and the bottom frame 1 through butyl tape. Specifically, the vapor barrier layer 6 is connected to the web of the steel column 2 and the inner wall of the bottom frame 1 through butyl tape. The four sides of the vapor barrier layer 6 are connected to the steel column 2 and the bottom frame 1 through butyl tape, which can prevent water vapor from penetrating into the existing gaps and improve the water vapor barrier effect.

[0033] As a preferred implementation, in this embodiment, the thermal insulation layer 6 includes an adhesive layer 61 and an expanded polystyrene board 62 , and the adhesive layer 61 connects the vapor barrier layer 5 and the expanded polystyrene board 62 .

[0034] As a preferred implementation, in this embodiment, the antifreeze and crack-proof layer 7 is composed of a first anti-cracking mortar layer 71, an alkali-resistant glass fiber mesh cloth 72 and a second anti-cracking mortar layer 73 from the thermal insulation layer 6 outward, and the thermal insulation layer 6 and the antifreeze and crack-proof layer 7 are connected by a plastic expansion anchor 74.

[0035] Further preferably, after the alkali-resistant glass fiber mesh cloth 72 is laid, it is connected to the thermal insulation layer 6 through plastic expansion anchors 74, and then the second anti-cracking mortar layer 73 is laid, which can improve the connection stability between the antifreeze and anti-cracking layer 7 and the thermal insulation layer 6.

[0036] The method for preparing a steel structure self-insulating and moisture-proof decorative wall provided in the present invention comprises the following steps:

[0037] S1, welding and fixing the two ends of the steel column 2 on the bottom frame 1, the first gear bar 3 is connected to the bottom frame 1 perpendicular to the steel column 2, and is fixedly connected to the contacting steel column 2;

[0038] S2, first lay a vapor barrier layer 5 on the first strip 3 between two adjacent steel columns 2, use butyl tape to connect the vapor barrier layer 5 with the steel columns 2 and the bottom frame 1 on all sides, and connect the second strip 8 to the bottom frame 1 perpendicular to the first strip 3; then apply adhesive to the surface of the second strip 8, and lay the expanded polystyrene board 61 on the surface of the adhesive, and after curing, form an insulation layer 6; then apply anti-cracking mortar on the surface of the expanded polystyrene board 61, and then lay the alkali-resistant glass fiber mesh cloth 72 on the surface of the anti-cracking mortar, use plastic expansion bolts 74 to connect with the expanded polystyrene board 61, and finally apply anti-cracking mortar on the surface of the alkali-resistant glass fiber mesh cloth 74, and after curing, form an anti-cracking protective layer (7);

[0039] S3. Lay the decorative panel 4 between two adjacent steel columns 2, so that the decorative panel 4 is fixedly connected to the two adjacent steel columns 2, and seal the surface of the connection point with a sealing strip 9.

[0040] The steel structure self-insulating and moisture-proof decorative wall prepared by the above method has a reliable structure, good insulation effect and water vapor blocking effect, and this steel structure self-insulating and moisture-proof decorative wall is installed through overall hoisting during the construction process, which greatly shortens the construction period.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel structure self-insulating moisture-proof decorative wall, characterized by: The invention comprises a bottom frame (1), a steel column (2), a first bar (3) and a decorative panel (4), wherein both ends of the steel column (2) are connected to the bottom frame (1), the first bar (3) is connected to the bottom frame (1) perpendicular to the steel column (2) and is fixed to the contacting steel column (2), a vapor barrier layer (5), a heat insulation layer (6) and an anti-cracking protective layer (7) are arranged in sequence from the first bar (3) outwards between two adjacent steel columns (2), and the decorative panel (4) is connected to two adjacent steel columns (2).

2. A steel structure self-insulating and moisture-proof decorative wall according to claim 1, characterized in that: A second bar (8) is provided between the vapor barrier layer (5) and the thermal insulation layer (6); the second bar (8) is perpendicular to the first bar (3) and connected to the bottom frame (1).

3. A steel structure self-insulating and moisture-proof decorative wall according to claim 2, characterized in that: The vapor barrier layer (5) is connected to the steel column (2) and the bottom frame (1) via a butyl tape.

4. The steel structure self-insulating and moisture-proof decorative wall according to claim 1, characterized in that: The thermal insulation layer (6) comprises an adhesive layer (61) and an expanded polystyrene board (62), and the adhesive layer (61) connects the vapor barrier layer (5) and the expanded polystyrene board (62).

5. The steel structure self-insulating and moisture-proof decorative wall according to claim 1, characterized in that: The antifreeze and crack-proof layer (7) comprises, from the thermal insulation layer (6) outwards, a first anti-cracking mortar layer (71), an alkali-resistant glass fiber mesh cloth (72) and a second anti-cracking mortar layer (73), and the thermal insulation layer (6) and the antifreeze and crack-proof layer (7) are connected via a plastic expansion anchor bolt (74).

6. The steel structure self-insulating and moisture-proof decorative wall according to claim 1, characterized in that: Sealing strips (9) are provided between adjacent decorative panels (4).

7. A method for preparing a steel structure self-insulating and moisture-proof decorative wall according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1, fixing the two ends of the steel column (2) on the bottom frame (1), the first gear bar (3) is connected to the bottom frame (1) perpendicular to the steel column (2) and fixed to the contacting steel column (2); S2, laying a vapor barrier layer (5), a thermal insulation layer (6) and an anti-cracking protective layer (7) in sequence on the first strip (3) between two adjacent steel columns (2); S3. Lay a decorative panel (4) between two adjacent steel columns (2) so that the decorative panel (4) is fixedly connected to the two adjacent steel columns (2).

8. The method for preparing a steel structure self-insulating and moisture-proof decorative wall according to claim 7, characterized in that: In step S2, after the vapor barrier layer (5) is laid, butyl tape is used to connect the four sides of the vapor barrier layer (5) to the steel column (2) and the bottom frame (1), and the second bar (8) is connected to the bottom frame (1) perpendicular to the first bar (3).

9. The method for preparing a steel structure self-insulating and moisture-proof decorative wall according to claim 8, characterized in that: During the process of laying the thermal insulation layer (6), firstly, an adhesive is coated on the surface of the second step strip (8), and then the expanded polystyrene board (61) is laid on the surface of the adhesive.

10. The method for preparing a steel structure self-insulating and moisture-proof decorative wall according to claim 9, characterized in that: In the process of laying the antifreeze and anti-cracking layer (7), firstly, anti-cracking adhesive is applied to the surface of the expanded polystyrene board (61), then the alkali-resistant glass fiber mesh cloth (72) is laid, and after being connected to the expanded polystyrene board (61) using plastic expansion bolts (74), the anti-cracking adhesive is finally applied to the surface of the alkali-resistant glass fiber mesh cloth (74).

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