JPH102043A - Steel house structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the heat resistance, moisture resistance and fire resistance of a skeleton, prevent the propagation of heat and sound and improve the living environment at low cost by covering the circumferential surface of a steel member which is the component of the skeleton with a fire resisting sheet. SOLUTION: Members such as H-steel, I-steel, channel steel, lightweight channel steel, lip channel steel and the like as components 6 of a steel house structure are integrally fixed by means of tapping screw, bolt, welding, adhesive or the like. One surface or both surfaces of the components 6 are covered with a fire resisting sheet having a heat insulating characteristic of about 100-300 deg.C, and integrally fixed through an adhesive or coating film 12 or the like. The fire resisting sheet 7 may be of sheet single body, canape structure, sandwich structure, and the like, calcium carbonate paper, aluminum hydroxide paper or the like is used as the sheet, and a refractory material having one or more of carbon black, aluminum hydroxide and the like contained and mixed therein is mixed to a binder such as phenol resin, and contained in the structure of the sheet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention uses steel, which has abundant resources, is easy to recycle, is strong, and has good workability, as a constituent material (frame), and is used to improve fire resistance and durability. It is related to a greatly strengthened steel house structure.

[0002]

2. Description of the Related Art In general, as a building frame for a house, pillars, studs, beams, purlins, joists, trunks, bundles, purlins, foundations, and the like made of wood are used.
Wooden structures such as girders, rafters, braces, etc., and steel structures using steel materials such as lightweight steel frames (lip channel steel, about 2.3 mm or more in thickness),
So-called prefabricated, heavy steel, concrete, etc. 4
There are types.

[0003]

However, in houses using steel members, such steel members are
There were weak points to water, humidity, dew condensation, alkali and acid.
That is, rust and corrosion due to water and condensation. Vulnerable to alkaline components and acid rain. Heavy weight. High cost.
Good sound and heat. There is sound resonance, resonance. The heat transfer in the event of a fire burns the relevant wood. There were disadvantages.

[0004]

According to the present invention, in order to eliminate such drawbacks, the outer peripheral surface of a steel member, which is a constituent material of the skeleton, is covered with a fire-resistant sheet, so that the skeleton has heat resistance, heat and sound propagation prevention, and moisture resistance. The present invention proposes a steel house structure in which the heat resistance and fire resistance are greatly improved, the cost is lower than spraying with rock wool or the like, and the living environment is improved.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a steel house structure according to the present invention will be described below in detail with reference to the drawings. Figure 1,
FIG. 2 is an explanatory view and an exploded view showing an example of a steel house structure according to the present invention, wherein 1 is a steel house structure, 2 is a roof, 3 is a wall, 4 is a base frame, and 5 is a foundation.

To explain further, steel house structure 1
The components 6 are in the form of H-shaped steel, I-shaped steel, grooved steel, lightweight grooved steel, lip channel steel, equilateral angle steel, unequal angle angle steel, flat steel, and the like. They are integrally fixed with screws, bolts, welding, adhesives, etc., if necessary.

[0007] That is, as a material of the constituent material 6, a hot-dip galvanized steel sheet, an electro-galvanized steel sheet, a colored galvanized steel sheet,
It is composed of at least one of tin, stainless steel, titanium, aluminum, an aluminum alloy plate, a 5-55% aluminum alloy plated plate (generally referred to as a galfan or a galvalume steel plate), a clad steel plate, and the like.
3mm, especially for aluminum alloy etc.
It may be as thick as about 8 mm.

The component 6 is a veneer, an embossed material,
As shown in FIG. 3, the length L, width W and height H are arbitrarily selected according to the purpose.

Reference numeral 7 denotes a refractory sheet, as shown in FIG. 4, wherein at least one side or both sides of the component 6 are covered with the above-mentioned sheet and formed integrally. The refractory sheet 7 mainly blocks the heat conduction when the constituent material 6 is exposed to high heat, and exhibits a heat insulating property of about 100 to 300 ° C. or more.

The refractory sheet 7 is usually used to contribute to moisture proofing, vibration proofing, reduction of sound transmission, and improvement of durability, and is integrated with the component 6 via an adhesive, a coating film or the like. Is fixed to the surface.

As shown in FIGS. 5 (a) to 5 (d), the refractory sheet 7 is a single sheet, a canapé, a sandwich or the like, and the sheet 8 is a calcium carbonate paper, an aluminum hydroxide paper, or the like. Carbon fiber, rock wool,
It is a sheet of glass fiber, and a phenol resin, starch or the like is used as the binder 9 depending on the purpose. Particularly when heat resistance is required, a refractory material containing one or more of carbon black, expandable graphite, resol type phenol resin fine particles, ammonium polyphosphate, aluminum hydroxide, etc. is mixed with 10 and mixed with the binder 9. In the structure of the sheet 8.

When the refractory sheet 7 has a sandwich structure, the refractory material 10 is laminated and interposed between the sheets 7, and the refractory property can be further improved by about 300 to 1000 ° C. The thickness of the refractory sheet 7 is about 0.3 to 3 mm, and about 0.5 to 1.5 m including the processing by roll forming.
The m-position is preferred. Of course, in the case of a refractory sheet 7 having a thickness of 0.5 mm in which expanded graphite, aluminum hydroxide, and carbon fibers are bound with a polyurethane resin, carbonization and foaming are performed about 30 to 50 times when heated at 900 ° C. Was about 200 ° C.

Reference numeral 11 denotes a waterproof film which is formed of a synthetic resin on the exposed surface of the sheet 8 to a thickness of about 6 to 30 microns, and is mainly made of one of polyethylene, polyurethane resin, polyester resin, acrylic resin and the like. It contains an antibacterial agent such as antifungal depending on the purpose.

Reference numeral 12 denotes an adhesive for fixing the refractory sheet 7 to the surface of the component main body 6a as shown in FIG. 4, and has an anti-rust effect as another function. The material is a synthetic resin, for example, one or more of polyurethane resin, epoxy resin, phenol resin, vinyl acetate resin, unsaturated polyester resin, and acrylic resin.

(Example 1) Structural material 6 (portion including stud of wall) Structural material main body 6a (fused galvanized sheet) 1.2 mm (thickness) Fireproof sheet 7 0.8 mm (thickness) Density 100 kg / m ³ (Binder of non-woven carbon fiber sheet with resol type phenol resin) Waterproof coating film 11 (polyurethane resin) 15 microns (thickness) Adhesive 13 (polyurethane resin) 100 g / m ²

(Embodiment 2) Structural material 6 (portion including main column of wall) Structural material main body 6a (galvalume steel plate) 1.2 mm (thickness) Fireproof sheet 7 1 mm (thickness) Density 60 kg / m ³ ( A refractory material 10 containing a mixture of aluminum hydroxide powder, resole phenol foam resin and expandable graphite is interposed between glass fiber non-woven fabrics of 0.3 mm. Waterproof film 11 (polyethylene resin) 20 microns (thickness) ) Adhesive 13 (polyurethane resin) 150 g / m ²

(Comparative Example) Structural material 6 (portion including stud of wall) Structural material main body 6a (fused galvanized sheet) 1.2 mm (thickness) (Test item) (a) Water resistance 1000 hours of spraying tap water (B) Moisture resistance 98% RH × 50 ° C. × 1000 hr (c) Sound insulation (dB / 500 Hz) (d) Vibration suppression (time until vibration stops) (e) Thermal conductivity FIG. In addition, had a kiguchi processing. Showed that the heat conduction of the carbon fiber was only in the horizontal direction and the heat was largely interrupted in the direct fire direction. This test piece was not a single component of the constituent material 6, but had a structure in which two members were combined.

The above is only one embodiment of the steel house structure according to the present invention, and the component material body 6a may be formed as shown in FIGS. 6 (a) to 6 (h), for example.

[0019]

As described above, according to the steel house structure of the present invention, since the constituent material body is covered with the fire-resistant sheet, the structure is excellent in fire resistance. The refractory sheet can greatly suppress heat conduction and sound propagation.
High rust prevention function. Excellent vibration resistance. Since the refractory sheet is interposed between the component main bodies at the contact surface, no squeaking noise is generated. There are features and effects such as.

[Brief description of the drawings]

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

FIG. 2 is an explanatory view showing an example of a steel house structure according to the present invention.

FIG. 3 is a perspective view showing an example of a constituent material of a steel house structure according to the present invention.

FIG. 4 is a cross-sectional view showing a part of the components shown in FIG. 2;

FIG. 5 is an explanatory view showing an example of a fireproof sheet used as a constituent material of a steel house structure according to the present invention.

FIG. 6 is a cross-sectional view showing another embodiment of the component body used for the steel house structure according to the present invention.

FIG. 7 is a table showing test results of the steel house structure according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Steel house structure 2 Roof part 3 Wall part 4 Base frame 5 Foundation 6 Constituent material 6a Constituent material body 7 Fireproof sheet 8 Sheet 9 Binder 10 Fireproof material 11 Waterproof film 12 Adhesive

Claims (1)

[Claims] 1. A steel house structure, wherein a constituent material of a skeleton is covered with a refractory sheet.