JPH1037350A - Steel house wall structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the airtightness by providing a mat-like damping layer on the surface contacting an interior material and an exterior material of a steel-made skeleton component, and covering the inner surface of one of the interior material and exterior material, the damping layer, and the skeleton with a plastic foamed layer. SOLUTION: A component 2 for a skeleton 1 formed of hot dip zinced steel plate as main column and stud for steel house wall structure is formed, and a damping layer 3 formed of polyurethane elastomer is stuck to the outer surface of the component 2. An interior material 4 formed of plaster board is fixed to the component 2 by a fixture 10 formed of tapping screw, and a heat insulating layer 7 formed of phenol modified polyurethane resin is sprayed in site. A waterproof sheet 9 formed of asphalt felt or synthetic resin sheet is laid on the skeleton 1, and an exterior material 5 is fixed onto the waterproof sheet 9 through the fixture 10. Thus, propagation and transfer of sound and heat are reduced, and dew condensation can be consequently prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel house, and more particularly to a wall structure of a steel house which blocks heat conduction of a frame, prevents dew condensation, prevents deterioration of the frame due to rust, and saves energy and effectively utilizes resources. .

[0002]

2. Description of the Related Art Recently, depletion of wood has become a major social problem.
Inexpensive, mass-produced, and strong steel is attracting attention.

[0003]

However, the steel itself is excellent in heat conduction, rusts due to moisture, and has good sound propagation, and there is a disadvantage that vibration on the second floor propagates to the entire building including the first floor. . Further, in heat conduction, there is a drawback that dew condensation occurs due to an air cycle or the like, causing rust or corrosion of nearby materials.

[0004]

SUMMARY OF THE INVENTION In order to eliminate such disadvantages, the present invention provides a heat-insulating material for a steel frame material, in particular, a surface which comes into contact with an interior material, an exterior material and the like.
A mat-like damping layer having sound absorbing, vibration damping and insulating properties is formed, and the thickness of at least 5 to 10 mm is applied to the inner surface of any one of the interior material and the exterior material, the damping layer and the frame (component). Covered with a plastic foam layer made of in-situ foam to improve airtightness, suppress dew condensation, improve earthquake resistance, durability, reduce sound, heat propagation and conduction, and use inexhaustible steel The present invention proposes a steel house wall structure that can be used to prevent the depletion of resources such as wood.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a steel house wall structure according to the present invention will be described below in detail with reference to the drawings. That is, FIG. 1 is an explanatory view showing a typical example of the above wall structure, wherein 1 is a skeleton, 2 is a constituent material of a skeleton 1, 3 is an attenuation layer,
Is an interior material, 5 is an exterior material, 6 is a space, 7 is a heat insulating layer, 8 is a decorative sheet, 9 is a waterproof sheet, 10 is a fixing tool such as tapping screws, bolts and nuts, screw screws, nails, and the like.

More specifically, the constituent material 2 of the skeleton 1 is as shown in FIG. 2 (a). A metal material such as a galvanized iron plate, a galvanized steel plate, and stainless steel is formed into a vertical material, a horizontal material, and a required sectional shape. As a specific example, it is formed into a shape matching studs (pillars and the like), tracks (horizontal frame material), joists (joist and the like), and the like.

The damping layer 3 is as shown in FIG. 2 (b). As shown in FIGS. 1 and 3, the damping layer 3 is integrally fixed to and fixed to the outer surface 2a of the component 2 of the skeleton 1 to form an interior material. 4. Exterior material 5
And the direct fixation of the component 2. Its main purpose is to function as a vibration insulator, a heat insulator, a sound absorber, an insulator, an insect repellent, an electromagnetic wave absorber, a cushion, a dimension adjuster, and the like.

The size and thickness of the attenuation layer 3 are 1
And a density of 50 to 400 kg / m ^3. Specific examples of the material include a synthetic resin, an organic and inorganic fiber laminate, a mixture of the two materials, a composite, a rubber, a synthetic rubber, It is composed of one type such as a synthetic resin foam.

The interior material 4 is a base material such as a gypsum board, a slate board, a calcium silicate board, a plywood, a wood board, etc. formed on the damping layer 3, and the exterior material 5 is a metal system, a heat insulating panel, a ceramic system system. , Etc., and wet construction methods such as mortar walls and tiles.

[0010] The space 6 is a space between the interior material 4 and the exterior material 5 provided between the frames 1, and includes a ventilation path 6 a for air cycle, wiring, and piping, and a heat insulating layer 7.

As shown in FIG. 1, the heat insulating layer 7 fills the inside of the interior material 4 and the intermediate position between the damping layer 3 and the constituent material 2 to improve airtightness, heat insulation, soundproofing, vibration proofing and soundproofing. It is useful for rust.

More specifically, the heat-insulating layer 7 is preferably formed by in-situ foaming of a plastic foam, for example, from one of polyurethane foam, polyisocyanurate foam, phenol foam and the like and a flame-retardant foam thereof. It becomes. Also,
The molded article may be filled with soft plastic or hard plastic. In addition, when using the molded body, in order to achieve airtightness, waterproofness, and dew condensation prevention, an airtight sheet (not shown)
It is desirable to attach a waterproof sheet and a moisture-proof sheet.

The decorative sheet 8 is to be adhered to the surface of the interior material 4 or a decorative surface, and is a vinyl chloride cloth, a decorative cloth, or another sheet. Of course, when mortar lysine is sprayed on the surface side of the interior material 4, the decorative sheet 8 is unnecessary.

The waterproof sheet 9 is provided on the fixed surface of the exterior material 5 of the frame 1, and is made of one of an asphalt felt, a synthetic resin sheet, a windproof and moisture permeable sheet, and the like.

The fixture 10 is a fixing member such as a tapping screw, a bolt / nut, a nail, etc., for attaching the interior material 4 and the exterior material 5 to the frame 1.

Next, a construction example of the steel house wall structure according to the present invention will be briefly described. Now, it is assumed that the wall structure shown in FIG. 1 is configured. First, the frame 1 is fixed to a base (not shown) as a main pillar and a stud of a steel house wall structure, and the constituent material 2 is formed by forming a hot-dip galvanized steel sheet having a thickness of 1.2 mm.

After the frame 1 is formed, the outer surface 2 of the component 2
The attenuating layer 3 is adhered to a as shown in FIG. The attenuation layer 3 used was a polyurethane elastomer (thickness: 5 mm) and had an expansion ratio of 4 times.

Next, the interior material 4, for example, a gypsum board having a thickness of 9 mm, is fixed to the component 2 with a fixture 10 made of tapping screws. Then, in order to form the heat insulating layer 7, the foamed raw material of the phenol-modified polyurethane resin is sprayed on site. At this time, the expansion ratio was 30 times. In addition, space 6
About half of the volume was filled.

Next, a waterproof sheet 9 is stretched on the frame 1, and an exterior material 5 is fixed thereon via a fixing tool 10 to form a wall A.

[0020]

[Other Embodiments] The above is only one embodiment of the steel house wall structure according to the present invention, and FIGS.
(K)-It can also be comprised as shown in FIG. 4 (a) to 4 (k), FIG. 4 (a) shows the cladding structure type, and FIGS. 4 (b) and 4 (c) show the attenuation layer 3 as the core material 3a.
And a sheet material or a net material laminated on both surfaces or one surface thereof, and FIGS.
Or, both surfaces are made uneven and corrugated to enhance cushioning, soundproofing and dew condensation resistance. (G) and (h) show a hollow portion 3b formed in the damping layer 3 for soundproofing and soundproofing. Vibration and dimensional adjustment are enhanced.

4 (i) and 4 (j) show a steel wire, a resin wire, a carbon fiber, a graphite wire or the like molded in the middle of the damping layer 3 to enhance the shielding effect and the like.
(K) is an attenuation layer 3 obtained by molding a steel plate 3c with a synthetic resin.

In FIG. 5, the damping layer 3 can be made wider than the outer side surface 2a of the component 2 to enhance the vibration-proofing, sound-insulating and heat-insulating properties.

6 (a), 6 (b) to 10 show another embodiment of the steel house wall structure according to the present invention. In particular, FIG. 7B shows the skin layer 7 on the surface of the heat insulating layer 7.
a to form a smooth flow of air and also function as a moisture-proof layer. FIG. 8B shows a wall structure in which the heat insulating layer 7 is filled except for the volume of the mounting body 2 and the pipes B for wiring and piping.

FIG. 9A shows a case where the humidity control material 11 is distributed and fixed to the skin layer 7a to prevent dew condensation in the space 6 from the outside air in the air cycle. FIG. 9B shows a case where the heat insulating board 12 is installed on the inner wall side.
This is a wall structure in which a heat insulating layer 7 is formed inside.

FIG. 10 shows a modified T-shaped damping layer 3,
The vertical portion 3d is formed of a hard synthetic resin, the cap 3e is formed by fitting, and the interior material 4 is mounted.

[0026]

As described above, according to the steel house wall structure of the present invention, a steel frame and an interior material,
Since the contact with the exterior material is indirectly contacted, heat conduction can be significantly reduced. The sound propagation in the skeleton is greatly reduced by the formation of the attenuation layer and the heat insulation layer, and the living space is quiet. In a building on a road surface, cracks and loosening of interior and exterior materials due to vibration of an automobile can be suppressed. Since the heat-insulating layer is formed on one side of the space between the inner wall and the outer wall by in-situ spraying, the airtightness and heat-insulating properties of the entire wall can be greatly improved. The configuration of the wall structure is easy and efficient. Rust, etc., due to dew condensation, which is likely to occur on steel, can be suppressed, and durability can be greatly improved, including durability. There are features and effects such as.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a typical example of a steel house wall structure according to the present invention.

FIG. 2 is an explanatory view showing an example of components and a damping material used for a steel house wall structure according to the present invention.

FIG. 3 is an explanatory view showing a normal state in which components used for a steel house wall structure according to the present invention and a damping material are integrated.

FIG. 4 is an explanatory view showing another embodiment of the steel house wall structure according to the present invention.

FIG. 5 is an explanatory view showing another embodiment of the steel house wall structure according to the present invention.

FIG. 6 is an explanatory view showing another embodiment of the steel house wall structure according to the present invention.

FIG. 7 is an explanatory view showing another embodiment of the steel house wall structure according to the present invention.

FIG. 8 is an explanatory view showing another embodiment of the steel house wall structure according to the present invention.

FIG. 9 is an explanatory view showing another embodiment of the steel house wall structure according to the present invention.

FIG. 10 is an explanatory view showing another embodiment of the steel house wall structure according to the present invention.

[Explanation of symbols]

 Reference Signs List A wall B wiring / piping pipe 1 skeleton 2 component 2a outer surface 3 attenuation layer 3a core 3b hollow 3c steel plate 3d vertical 3e cap 4 interior material 5 exterior material 6 space 6a air passage 7 heat insulation layer 7a skin layer 8 Decorative sheet 9 Waterproof sheet 10 Fixture 11 Humidity control material 12 Insulation board

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location E04B 2/56 622 E04B 2/56 622V 643 643F 644 644K 645 645C

Claims (1)

[Claims] In a steel house wall structure in which a frame from a base to a roof is formed of a steel component, a frame such as a main pillar and a stud, or an interior material and an exterior material of a body edge are directly or indirectly connected. A heat insulating, vibration-proof and sound-proof damping layer is provided on the contact surface that comes into contact, and the space between the back surface of either the interior material or the exterior material and the damping layer and the portion including the contact surface of the frame is included. Characterized in that at least a part of the steel house wall structure is filled with a heat insulating layer.