JPH10140694A - Composite structural material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a composite structural material for forming wall structural material, roof structural material, floor structural material, and the like at constructing a general dwelling house and the like, and for preventing dewing from generating within them. SOLUTION: In this composite structural material, by providing side by side cutout recessed parts 4 on the joined surface part 5 of a heat insulating panel 1 of a composite structural material A in which face bars 2 made of plywood and the like are spread on the surfaces of a heat insulating panel 1 having fixed thickness, air communicating grooves 6 are formed extending from one end part to the other end part of the joined surface part 5. Otherwise, by providing side by side a plurality of cutout recessed parts 4, 4 respectively squarely crossing on the surface part 5 of the heat insulating panel 1, air communicating grooves 6 respectively communicating in the longitudinal and lateral directions are formed extending from the edge parts to the edge parts. Further, by spreading porous face bars having a plurality of small holes on the whole faces instead of the face bars 2 spread on the heat insulating panel 1, the small holes are formed into suction/exhaust ports communicated with the air communicating grooves 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite structural material used as a heat insulating building material for forming a wall structure material, a roof structure material, a floor structure material, etc. of a building when building a general house or the like.

[0002]

2. Description of the Related Art A composite structural material used in a conventional building such as a general house is composed of a rectangular plywood or the like on both sides of a heat insulating panel 30 having a predetermined thickness, as shown by reference numeral C in FIG. It was formed by attaching the face material 31 with the adhesive 32.

Further, as shown in FIG. 8, a conventional wall structure 33 formed by using the composite structural material C is a floor structure 35 mounted on an upper surface of a base portion 34 including a base and a base.
The composite structural material C was erected at the end of the. Further, a body edge member 36 is attached to the outside air side of the erected composite structural material C, and a face material 37 is attached to the outside air side of the attached body edge member 36.
It is formed by attaching a waterproof paper 38 and an outer wall material 39 and attaching an air intake / exhaust fitting 40 to an upper end and a lower end of the face material 37.

The body member 36 is made of cubic wood or the like, and is provided between the face material 31 and the face material 37 to form a ventilation layer 41 for flowing air.
Since the upper and lower ends of the ventilation layer 41 are opened by the intake / exhaust port fittings 40, air can flow through the ventilation layer 41, so that moisture inside the wall structure 33 is removed and condensation is formed. Had been prevented.

Further, the conventional roof structure and wall structure are also formed of the composite structure material C. However, in order to prevent dew condensation inside the roof structure and the wall structure, the roof structure and the wall structure are provided with a body member similarly to the wall structure 33 described above. It was formed by providing a layer.

[0006]

However, in such a conventional composite structural material, dew condensation occurs between the heat insulating panel 30 and the face material 31 because the heat insulating panel 30 has moisture permeability. There was a problem that. In addition, since the face material 31 is formed of plywood or the like, it may contain water due to rain leakage or the like, and there is a problem that corrosion may occur if the face material 31 is not dried as it is. .

In order to solve these problems, a conventional wall structure or the like is provided with a body member 36 between the composite structural material C and the outer wall material or the like as described above, so that air for circulating air is provided. The layer 41 was provided, whereby air was circulated inside to eliminate moisture to the outside air to prevent corrosion and dew condensation.

However, as described above, in order to provide the ventilation layer 41, it is necessary to attach the body member 36 to the composite structural material C, which takes a lot of time and labor, and has a problem that the construction period cannot be shortened. Was. In view of the above, the present invention has been made in view of the above-mentioned conventional problems, and provides a composite structural material having an air circulation groove, thereby reducing the number of work steps in building a general house or the like, thereby shortening the construction period. It is intended to shorten it.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems in the conventional structure for joining inclined members such as a roof, the present invention provides a heat insulating panel having a predetermined thickness on a surface of a square plywood or the like. In a composite structural material in which a surface material is adhered, a plurality of notched recesses are juxtaposed on a joint surface portion in which the surface material of the heat insulating panel is adhered, so that one end of the joint surface portion is connected to another. An air circulation groove communicating with the end is formed.

According to a second aspect of the present invention, there is provided a composite structural material comprising a heat insulating panel having a predetermined thickness and a surface material made of a square plywood or the like adhered to a surface of the heat insulating panel. By forming a plurality of cutout recesses orthogonal to each other on the joining surface portion formed by adhering to each other, an air flow groove communicating in two vertical and horizontal directions from the end to the end of the joining surface portion is formed. It is configured as a feature.

The present invention according to claim 3 is a composite structural material comprising a heat insulating panel having a predetermined thickness and a surface material made of a square plywood or the like adhered to a surface of the heat insulating panel. By projecting a large number of prismatic or columnar projections on the joining surface portion formed by attaching the joint, the joining surface portion communicates in one direction from the end to the end, or in each of two vertical and horizontal directions. It is characterized by forming an air circulation groove.

Further, according to the present invention as set forth in claim 4, in the present invention as set forth in claims 1 to 3, the air flow groove is formed not only on one surface of the composite structure material but also on both surfaces thereof. It is characterized by being provided in.

According to a fifth aspect of the present invention, in the first to fourth aspects of the present invention, a plurality of small holes are provided on the entire surface of the face member attached to the heat insulating panel. An intake / exhaust port is formed in communication with the air circulation groove.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the composite structural material according to the present invention will be described below in detail with reference to the drawings. FIG.
FIG. 2 is a perspective view of the composite structure according to the first embodiment, FIG. 2 is a cross-sectional view of a wall structure formed using the composite structure according to the first embodiment, and FIG. It is a perspective view of the roof structure formed using a composite structural material. As shown in FIG. 1, the composite structural material A according to the present embodiment is formed by attaching a face material 2 made of a rectangular plywood to both surfaces of an insulating panel 1 with an adhesive 3.

The heat insulating panel 1 is made of expandable polystyrene. This expandable polystyrene is a porous, lightweight material formed by foaming a liquid foaming material in a mold.
It is excellent in heat insulation, sound insulation, waterproofness, corrosion resistance, and workability, and is formed in an appropriate thickness in view of these points. In addition, the heat insulating panel 1 is cut out from a cubic shaped block made of expandable polystyrene cut into unit dimensions by a dedicated cutter using a hot wire. Here, as the material of the heat insulating panel 1, in addition to the above-mentioned expandable polystyrene, an expandable polyurethane or other resin foam, a light cull plate, a micro balloon, or the like is used.

The rectangular surface material 2 is made of a plywood and has a predetermined thickness. The thickness of the surface material 2 is appropriately thin from the viewpoint of reinforcement and surface protection of the heat insulating panel 1. Is done. Here, in the present embodiment, the material of the surface material 2 is a plywood, but in addition to the above-described plywood, a cement plate, a plastic plate, a plywood obtained by solidifying thin flakes or sawdust of wood, or the like can also be used. .

As described above, the composite structural member 1 is formed by attaching rectangular face members 2 to both sides of the heat insulating panel 1 with an adhesive 3. The bonding method is to put the heat insulating panel 1 on a belt conveyor or the like. The adhesive 3 is applied to both surfaces by passing between a pair of roll coaters for applying the adhesive 3, and the heat-insulating panel 1 coated with the adhesive 3 is used as the rectangular face material. 2, the heat insulating panel 1 and the face material 2 are stuck all over.

Further, the composite structural material A formed as described above
As shown in FIG. 1, face materials 2 are provided on both surfaces of the heat insulating panel 1.
A plurality of cutout recesses 4 are arranged at regular intervals on one side of a bonding surface portion 5 formed by sticking. This notch recess 4
Is provided from one end to the other end of the joining surface portion 5, and the cutout is performed by a dedicated cutter using a hot wire, similarly to the cutout of the heat insulating panel 1. As described above, since the composite structural material A is formed by attaching the face material 2 to both surfaces of the heat insulating panel 1, the cutout recess 4 is in a state in which the upper portion is covered by the face material 2 with the lid. Thereby, the air circulation groove 6 is formed. By circulating the air in the air circulation groove 6, it is possible to eliminate the dew condensation on the joining surface 5 formed by attaching the face material 2 to the heat insulating panel 1. Therefore, the width and depth of the cutout recess 4 are appropriately selected in consideration of the strength and heat insulation of the heat insulating panel 1 and the amount of air flow required to prevent condensation.

Next, the wall structure 7 formed using the composite structural material A according to the present embodiment will be described. As shown in FIG. 2, a wall structure 7 formed by using the composite structural material A according to the present embodiment firstly places a floor structure 9 on the upper surface of a foundation 8 composed of a base and a foundation. A peripheral frame member 20 is placed on the upper end of the base 9, and the floor structure 9 and the peripheral frame member 20 are penetrated by fasteners 19 pre-embedded in the base portion 8 to be in a fastening state.

Next, one side surface of the composite structural material A is cut out in a size equal to the size of the peripheral frame member 20 mounted on the upper end of the floor structure 9, and the notch is fitted to the peripheral frame member 20. The composite structural material A is erected. The composite structural material A and the peripheral frame material 20 are joined by an adhesive, a nail, or the like.
An outer wall material 11 made of waterproof paper 10, lath mortar, or the like is attached to the outside air side of the device.

Further, a part of the upper end and the lower end of the face material 2 on the outside air side and the waterproof paper 10 and the outer wall material 11 adhered to the face material 2 is opened to the air circulation groove 6 and opened. By attaching the intake / exhaust pipe 12 to the opened hole, the outside air and the air circulation groove 6 are communicated via the intake / exhaust pipe 12, and the wall structure 7 is formed.
Is formed.

In the wall structure 7 formed as described above, the intake and exhaust pipes 12 provided at the upper end and the lower end of the wall structure 7 serve as a chimney, so that air flows through the air flow groove 6. As a result, the wall structure 7 can prevent dew condensation inside, and can prevent dew condensation without separately providing a ventilation layer for circulating air on the outer wall side unlike the conventional wall structure. It is possible to reduce the time and shorten the construction period.

Here, it is also possible to form a floor structure using the composite structural material A according to the present embodiment. As shown in FIG. 2, the floor structure 9 is provided with
Is mounted on the upper part of the base part 8 with the side having the lower surface facing downward, and a pipe corresponding to the above-described intake / exhaust pipe 12 is connected to the air circulation groove 6 and attached to prevent dew condensation inside the floor structure 9. can do.

Further, it is possible to form a roof structure using the composite structural material A according to the present embodiment. As shown in FIG. 3, the roof structure 13 formed by using the composite structural material A is provided on an upper portion of a roof support 21 and composites a roof finish 22 so as to open an eaves lower portion. By adhering to the structural material A, the air circulation groove 6 can be sucked and exhausted. A nose shield 23 is attached to the side surface of the composite structural material A, and the roof structure 13 is finished.

Here, the composite structural material A according to the present embodiment
Is provided with an air flow groove 6 only on the joining surface portion 5 on one side, but it is also possible to provide it on the joining surface portion 5 on both sides. Dew condensation can be more effectively prevented, and the expansion coefficients of both surfaces can be balanced to prevent the composite structural material A itself from warping. Further, the air circulation groove 6 on the indoor side can be used not only as a flow path for air but also as a groove for electric wiring, gas, and water pipes.

The notch recesses 4 are arranged in one direction from one end to the other end of the heat insulating panel 1.
As shown in FIG. 6A, the joining surface 5 of the heat insulating panel 1
It is also possible to provide two vertical and horizontal directions so as to be orthogonal to each other from each end to each end. As a result, the portion of the composite structural material that comes into contact with the air increases in two directions, and it is possible to more effectively prevent dew condensation. Further, instead of providing the cutout recesses in the heat insulating panel 1, as shown in FIG. 6B, by providing a large number of columnar protrusions 14, the air flow grooves 6 are formed substantially in the same manner as the cutout recesses. Is possible. That is, FIG.
In the case of (a), it means that a prismatic projection is provided.

Next, a second embodiment of the composite structural material according to the present invention will be described in detail with reference to the drawings. However, unless otherwise described, it is the same as the above-described first embodiment. FIG. 4 is a perspective view of the composite structural material according to the present embodiment, and FIG. 5 is a cross-sectional view of a wall structure formed using the composite structural material according to the present embodiment.

As shown in FIG. 4, the composite structural material B according to the present embodiment has a heat-insulating panel 1 having a surface material 2 made of a rectangular plywood plate on one surface and a perforated surface material on the other surface. 15 is adhered with the adhesive 3. The heat insulation panel 1 according to the present embodiment is composed of the heat insulation panel 1 shown in FIG. 6A, and the cutout recesses 4 are provided so as to communicate vertically in two directions in the vertical and horizontal directions from the end to the end of the joint surface 5. It becomes.

The perforated face material 15 has a small hole 16 on its entire surface.
The heat insulating panel 1 is attached to the joining surface 5 on the side where the cutout recess 4 is provided. As a result, similarly to the composite structure material A according to the above-described first embodiment, the cutout recess 4 is covered with the air passage groove 6. Since the air flow grooves 6 and the small holes 16 of the perforated surface material 15 are communicated with each other, the bonding surface portion 5 of the composite structure material B on the perforated surface material 15 side has more air permeability than the composite structure material A. Is improved.

Next, the wall structure formed by using the composite structural material B will be described. FIG. 5 is a sectional view of a wall structure formed using the composite structural material B according to the present embodiment.
As shown in FIG. 5, the wall structure 17 formed by using the composite structural material B according to the present embodiment stands on the end of the floor structure 9 placed on the upper surface of the base portion 8. A waterproof paper 10 and an outer wall material 11 are provided on the open air side of the erected composite structural material B.
And a suction / exhaust plate 18 formed in a substantially Z-shape is attached to the upper end and the lower end of the composite structural material B.

Here, as described above, the wall structure 7 formed by using the composite structural material A according to the first embodiment,
The air flow groove 6 is formed by opening the face material 2 on the outside air side, the waterproof paper 10, and the outer wall material 11, and opening the air intake / exhaust pipe 12.
Of the wall structure 17 according to the present embodiment.
Does not need to be separately opened because the small holes 16 serve as intake and exhaust ports.

Further, since the exhaust / exhaust plate 18 is entirely attached from the end to the end of the composite structural material B, it is possible to intake / exhaust from the entire upper and lower end portions of the wall structure 17 and to perform the above-described operation. As described above, since the air circulation grooves 6 are also provided in the vertical and horizontal directions, the air permeability inside the wall structure 7 is further improved as compared with the wall structure 7 according to the first embodiment.

Further, the wall structure 17 is provided with the air circulation groove 6.
Not only prevents dew condensation on the joint surface portion 5 but also prevents moisture between the composite structural material B and the waterproof paper 10 adhered to the outer wall side of the composite structural material B from the outside through the small holes 16 through the air flow grooves 6. It is possible to discharge, and the perforated face material 15 and the waterproof paper 10
It is also possible to prevent dew condensation between them.

Here, the composite structural material B is formed by attaching the perforated surface material 15 to only one surface of the heat insulating panel 1 and attaching the perforated surface material 15 to the other surface. When the composite structural material is used as a building material for forming a wall structure, a roof structure, and a floor structure, the perforated surface material 15 on the indoor side can also function as a sound absorbing plate.

[0035]

As described above, according to the present invention, the composite structural material provided as described above is used as a building material for forming a wall structure, a roof structure and a floor structure. The ventilation of the inside of the wall structure or the like is performed by the action of the above, and even if the heat insulating panel of the composite structure material is moisture permeable, it is possible to reliably prevent the dew condensation inside the wall structure or the like.

Further, according to the present invention, the airflow grooves are provided not only on the bonding surface on one side but also on the bonding surfaces on both sides of the composite structure, so that the composite structure itself can be prevented from warping and the indoor side can be prevented. The air circulation groove can also be used as a groove for electric wire wiring and water pipe piping. Furthermore, by attaching the effective face material to both surfaces of the heat insulating panel, the effective face material on the indoor side can also function as a sound absorbing plate.

Further, according to the present invention, the small holes and the air flow grooves are communicated by attaching a porous surface material having small holes on the entire surface thereof instead of the surface material fixed to the heat insulating panel. The air permeability inside the wall structure or the like is further improved, and the dew condensation inside the inside can be more strongly prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view of a composite structural member according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a wall structure formed using the composite structural material according to the first embodiment.

FIG. 3 is a perspective view of a roof structure formed using the composite structural material according to the first embodiment.

FIG. 4 is a perspective view of a composite structural member according to a second embodiment of the present invention.

FIG. 5 is a cross-sectional view of a wall structure formed using the composite structural material according to the second embodiment.

FIGS. 6A and 6B are perspective views of a heat insulating panel according to another embodiment.

FIG. 7 is a perspective view of a conventional composite structural material.

FIG. 8 is a sectional view of a wall structure formed using a conventional composite structural material.

[Explanation of symbols]

 A Composite Structural Material B Composite Structural Material C Composite Structural Material 1 Heat Insulation Panel 2 Face Material 3 Adhesive 4 Notch Recess 5 Joining Surface 6 Air Flow Groove 7 Wall Structure 8 Foundation 9 Floor Structure 10 Waterproof Paper 11 Exterior Wall Material 12 Reference Signs List 13 roof structure 14 columnar projection 15 perforated surface material 16 small hole 17 wall structure 18 suction / exhaust plate 19 fastener 20 peripheral frame material 30 heat insulation panel 31 surface material 32 adhesive 33 wall structure 34 base portion 35 floor structure 36 Body member 37 Face material 38 Waterproof paper 39 Exterior wall material 40 Inlet / outlet fitting 41 Vent layer

Claims (5)

[Claims] 1. A composite structural material comprising a heat insulating panel having a predetermined thickness and a surface material made of a square plywood or the like adhered to a surface of the heat insulating panel. A plurality of cutout recesses arranged side by side to form an air flow groove communicating from one end to the other end of the joint surface. 2. A composite structural material comprising a heat insulating panel having a predetermined thickness and a surface material made of a square plywood or the like adhered to a surface of the heat insulating panel. A plurality of cutout recesses which are respectively orthogonal to each other, thereby forming an air flow groove communicating in two vertical and horizontal directions from the end to the end of the joint surface portion. 3. A composite structural material comprising a heat insulating panel having a predetermined thickness and a surface material made of a square plywood or the like adhered to a surface of the heat insulating panel, wherein a joining surface portion comprising the heat insulating panel surface material adhered thereto. By protruding a large number of prismatic or cylindrical protrusions on the
A composite structural material characterized by forming an air flow groove communicating in one direction or in each of two vertical and horizontal directions from the end to the end of the joining surface portion. 4. The composite structure according to claim 1, wherein the air flow grooves are provided not only on the bonding surface on one side but also on the bonding surface on both sides. Composite structure. 5. A surface material adhered to said heat insulating panel is provided with a plurality of small holes on the entire surface thereof to form an air intake / exhaust port in communication with said air flow groove. The composite structural material according to claim 1.