JP2016151124A - Roof structure - Google Patents

Abstract

PURPOSE: To provide a roof structure that improves earthquake resistance, waterproofness, insect-proof properties, workability and the like.CONSTITUTION: A roof structure is characterized as follows: a roof substrate α is formed from reinforced concrete construction 1; a steel frame substrate 2 made of die steel is formed on the reinforced concrete construction 1; an insect-proof sheathing roof board 3 is formed on the whole surface of the steel frame substrate 2; a waterproof sheet 4 is laid on the whole surface of the insect-proof sheathing roof board 3; and a metal roof material B is formed on the waterproof sheet 4.SELECTED DRAWING: Figure 1

Description

The present invention relates to a roof structure having improved seismic resistance, water resistance, insect repellency, workability, and the like.

In general, a large number of roof structures made of metal plate materials by roll forming, press forming, etc., or roof structures formed using tiles are on the market. (For example, see Patent Documents 1 to 4).

Japanese Utility Model Publication No. 51-127618 Japanese Utility Model Publication No. 52-034519 Japanese Patent Laid-Open No. 58-150643 JP-A-8-068166

Patent Documents 1 and 2 describe a structure in which a wooden field board is formed on a frame made of a wooden base, and a roofing material is formed on the field board. Patent Document 3 describes a structure in which an ALC (lightweight cellular concrete) plate is formed on a wooden ground, and a roof material (tile) is formed on the ALC plate. Furthermore, Patent Document 4 describes a structure in which a lightweight cellular concrete panel is used as a ground plate on reinforced concrete. However, in Patent Documents 1 and 2, since the frame is wooden, the strength is insufficient with respect to shaking such as a large earthquake, and there is a risk of insect damage and decay in high-temperature and high-humidity areas. Further, in Patent Document 4, although the frame is reinforced concrete, it is strong against shaking such as an earthquake, but there is a problem in cost and workability because a lightweight cellular concrete panel is used as a field board.

In order to solve such drawbacks, the present invention forms a roof base by reinforced concrete, forms a steel base made of cast steel on the reinforced concrete structure, forms an insect repellent base plate on the entire surface of the steel base, The present invention provides a roof structure in which a waterproof sheet is laid on the entire surface of a field plate and a metal roofing material is formed on the waterproof sheet.

As explained above, according to the roof structure according to the present invention, (1) improved seismic resistance and durability by adopting a structure of reinforced concrete structure-steel frame base-insect-proof base plate-waterproof sheet-metal roofing material. To do. (2) Insect damage such as termites can be prevented. (3) The total cost can be reduced. (4) Workability is improved. Furthermore, (5) waterproofness further improves by fixing a roofing material with a fixing tool, without letting an insect-proof field plate penetrate. There are features and effects.

It is explanatory drawing which shows a typical example of the roof structure which concerns on this invention. It is an expanded sectional view showing the eaves part of a typical example of the roof structure concerning the present invention. It is an expanded sectional view showing a typical example of the roof structure concerning the present invention. It is explanatory drawing which shows a typical example of the roof material used for the roof structure which concerns on this invention. It is sectional drawing which shows one Example of the arabesque base and eaves arabesque used for the roof structure which concerns on this invention. It is an expanded sectional view which shows the construction state of the eaves part of the roof structure which concerns on this invention. It is explanatory drawing which shows a typical example of the construction order of the roof structure which concerns on this invention. It is explanatory drawing which shows a typical example of the construction order of the roof structure which concerns on this invention.

The roof structure according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is an explanatory view showing a typical example of a roof structure according to the present invention, FIG. 2 is an enlarged sectional view showing an eaves portion of a typical example of the roof structure according to the present invention, and FIG. 3 is a diagram of the roof structure according to the present invention. It is an expanded sectional view showing a typical example.

4 (a) and 4 (b) are explanatory views showing a typical example of a roof material A made of a metal roof material B, a heat insulating material C, and a back material D used in the roof structure according to the present invention.

As shown in FIGS. 1 to 3, the roof base α is constituted by a reinforced concrete structure 1 in which the main structures of the columns and beams, the floor, and the ceiling are formed.

Reinforced concrete structure 1 (RC structure) is a structure having both durability and strength due to the synergistic effect of the tensile strength of iron and the high compressive strength of concrete. In addition, in a high temperature and humidity environment, there is no insect damage caused by termites such as wood, and no deterioration due to decay.

Reference numeral 2 denotes a steel base, which is fixed to the H-type steel material on the reinforced concrete structure 1 by welding or fixing methods such as bolts, nuts and anchor bolts, and in the figure, the C-type steel material is formed vertically and horizontally. .

3 is an insect repellent base plate that uses plywood, water resistant plywood, structural plywood (OSB), cellulose fiber reinforced cement board, wood wool cement board, etc. that have strength, insect resistance, water resistance, and decay resistance. To do. Moreover, they can be impregnated with an insect repellent to further improve the insect repellent property, and it is possible to eliminate the damage caused by termites and decay due to decay even in a high temperature and humidity environment. Of course, the insect repellent base plate 3 also functions as a fixed base for the roof material A.

Moreover, since the fixing tool β is formed so as not to penetrate the insect-proof field plate 3 with respect to the insect-proof field plate 3, the insect-proof field plate 3 can be fixed without opening a hole, so that the waterproof property is improved. .

4 is a waterproof sheet, which uses asphalt roofing, rubber asphalt roofing, etc., and is formed so that rainwater, etc. that intrudes indoors from between the roofing materials A does not enter the insect-proof base plate 3 It is.

The metal roof material B is formed by roll forming, press forming, extrusion forming, or the like of a metal plate (color steel plate, copper plate, aluminum plate, titanium plate, stainless steel plate, sandwich steel plate, clad steel plate, etc.), for example. .

More specifically, the metal roofing material B has a long plate shape, and as shown in FIGS. 4A and 4B, the decorative surface 5, the back surface 6, and the surface of the decorative surface 5 below the surface 5. A stepped decorative surface 7 with the side end hanging down indoors, and an insertion edge 8 formed by bending in a substantially U shape so as to open to the water side, and the decorative surface 5 and the stepped decorative surface 7 and the insertion edge 8, a substantially U-shaped hook groove 9 is formed to form a male connecting portion 10.

Further, as shown in FIGS. 4 (a) and 4 (b), the above-mentioned plug formed by opening the front end of the decorative surface 5 to the underwater side and having a substantially U-shaped cross section at the water-side end of the decorative surface 5. A fitting groove 11 fitted to the edge 8, a fitting edge 12 serving as an upper edge of the fitting groove 11, and a fixing surface 13 are formed to form a female connecting portion 14.

The heat insulating material C functions as a waterproof material, a heat insulating material, a reinforcing material, a raising material, a soundproof material, a sound absorbing material, a buffer material, a fireproof material, a dew condensation prevention material, etc., and mainly uses a synthetic resin foam. Is. The material is made of synthetic resin foam such as styrene foam, polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc. And a curing agent and a foaming agent are mixed, discharged onto the back surface side of the front surface material or the back surface material, and heated to react, foam and cure.

In addition, in the heat insulating material C, lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite and the like) can be mixed to improve fire resistance and fire resistance.

Back material D is 1 such as kraft paper, aluminum evaporated paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber nonwoven fabric, etc. It is composed of a seed, or a laminate of two or more kinds, or a sheet subjected to waterproof treatment or flame retardant treatment. Of course, it may be formed of the same material as the metal roof material B.

E is an arabesque base, and as shown in FIG. 5 (a), a flat fixed surface E1, a tongue piece E2 which is a ridge-side tip of the fixed surface E1, and a eave-side tip of the fixed surface E1 are suspended downward. The cover surface E3 and the tongue piece E4 formed by folding back the lower end of the cover surface E3 inward are formed in a long shape.

As shown in FIG. 5 (b), the eaves arabesque F is a flat fixed piece F1, a tongue piece F2 obtained by folding back the ridge-side tip of the fixed piece F1, and a rising edge protruding upward from the eave-side tip of the fixed piece F1. A locking part F3 composed of a piece F4, a locking piece F5 where the tip of the rising piece F4 is folded back to the eaves side, a decorative piece F6 with the root of the rising piece F4 hanging downward, and a lower end of the decorative piece F6 inside It is formed in a long shape from the tongue piece F7 folded back.

The arabesque base E and eaves arabesque F are formed by roll forming, press forming, extrusion forming, etc., for example, metal plates (color steel plates, copper plates, aluminum plates, titanium plates, stainless steel plates, sandwich steel plates, clad steel plates, etc.). It is.

The arabesque base E functions as a cover material, a waterproof material, and a reinforcing material for the eaves portion.

The eaves arabesque F functions as a cover material for the eaves part, a fixing member for the eaves part of the roof material A, and a starting member for starting tension.

G is a double-sided adhesive tape, which is formed in order to continuously bond the eaves arabesque F and the waterproof sheet 4 at the eaves portion to improve waterproofness.

Next, the construction method of the roof structure according to the present invention will be described in detail. First, as shown in FIG. 7 a), a steel base 2 made of C-type steel is formed vertically and horizontally on a roof base α made of reinforced concrete 1.

When the construction of the steel base 2 made of C-type steel is completed, an insect repellent base plate 3 made of structural plywood is formed on the entire surface of the steel base 2 made of C-type steel as shown in FIG. 7 (b).

When the construction of the insect-proof base plate 3 made of structural plywood is completed, the arabesque base E and the eaves arabesque F are continuously connected to the eaves on the insect-proof base plate 3 via the fixture β as shown in FIG. Fix it.

When construction of arabesque base E and eaves arabesque F is completed, double-sided adhesive tape G is continuously fixed on fixing piece F1 of eaves arabesque F as shown in FIG. 7 (c), and then a waterproof sheet made of asphalt roofing. 4 is fixed from the eaves to the building.

When the construction of the waterproof sheet 4 made of asphalt roofing is completed, as shown in FIGS. 8 (a) and 8 (b), the male-female connection of the roofing material A and the fixing piece 13 of the roofing material A are made of structural plywood. It fixes with the fixing tool (beta) so that the base plate 3 may not be penetrated. By repeating such steps in sequence, the roof material A is constructed from the eaves to the ridge and formed as shown in FIG.

α Roof base β Fixture A Roof material B Metal roofing material C Insulation D Back material E Arabesque base E1 Fixed surface E2 Tongue piece E3 Cover surface E4 Tongue piece F Eaves arabesque F1 Fixed piece F2 Tongue piece F3 Locking part F4 Standing up Piece F5 Locking piece F6 Makeup piece F7 Tongue piece G Double-sided adhesive tape 1 Reinforced concrete structure 2 Steel base 3 Insect-proof base plate 4 Waterproof sheet 5 Makeup face 6 Back face 7 Stepped face 8 Insert edge 9 Hook groove 10 Male connection part 11 Fitting groove 12 Fitting edge 13 Fixed piece 14 Female connecting portion

Claims (1)

The roof base is formed of reinforced concrete, a steel base made of steel mold is formed on the reinforced concrete structure, an insect repellent base plate is formed over the steel base, and a waterproof sheet is laid over the insect base plate And the roof structure characterized by forming the metal roofing material on this waterproof sheet.

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