JP2000192564A - Building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the penetration of rainwater by erecting, on the peripheral part of a floor structure set on a building foundation, an outer wall panel of double wall structure having a wall inner ventilation layer communicating with the underfloor space surrounded by the building foundation. SOLUTION: A floor face bar 32 is affixed to a floor beam 31 to form a floor structure 3. A wall inner ventilation layer 53 in formed between an outer wall face bar 51 consisting of a wood piece cement board and a bed face bar 52 consisting of an orient strand board, and an inner wall face bar 54 having a heat insulating material interposed therein is mounted on the indoor side of the bed face face 52 to form an outer wall panel 5 of double wall structure. The outer wall panel 5 is erected on the floor structural body 3, and one end of a through-hole 6 provided between the floor beam 31 and the bed face bar 52 is allowed to communicate with the wall inner ventilation layer 53, and the other end is allowed to communicate with the underfloor space to form a building unit U. The outdoor air is supplied to the wall inner ventilation layer 53 from the inspection port of the raised wall of a building foundation 2 toward the direction of an air passage K through the underfloor space. According to this, the penetration of rainwater can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a framed wall construction provided with an in-wall ventilation layer.

[0002]

2. Description of the Related Art Conventionally, a unit building formed by vertically connecting a plurality of ventilation type building units having an in-wall ventilation layer between an outer wall and an inner wall has been disclosed in Japanese Patent Publication No. Hei 4-72936.
No., published in Japanese Unexamined Patent Publication No. The unit building described in the above-mentioned publication is a mall having an opening that communicates with the outside air circulation port by forming an outside air circulation port at a lower end portion on the outer wall side of the ventilated building unit, and connecting the outside wall of the building unit including the outside air circulation port with the outside air circulation port. It is formed by coating.

[0003]

However, in the unit building described in the above-mentioned publication, since the outer wall of the connecting portion of the building unit including the outside air circulation port is covered with a molding, rainwater flows into the ventilation layer in the wall in a strong wind or the like. There is a risk of intrusion. In addition, there is also a problem that the labor for covering with a mall and the appearance of the building are impaired.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to eliminate the possibility of rainwater intrusion even in strong winds and the like, and An object of the present invention is to provide a building having an in-wall ventilation layer which is easy and does not impair the appearance of the building.

[0005]

According to the first aspect of the present invention,
In a building of a framing wall construction method constructed by erecting an outer wall panel on a peripheral portion of a floor structure installed on a building foundation, the outer wall panel is formed into a double wall structure having an in-wall ventilation layer,
It is characterized in that the in-wall ventilation layer communicates with an underfloor space surrounded by a building foundation.

According to a second aspect of the present invention, in the building according to the first aspect, the floor structure is composed of a square floor beam and a floor panel attached to the floor beam, and the outer wall panel is provided. A double wall composed of an outer wall material and a base surface material, which is erected by abutting an indoor side surface of an outer wall panel on an end surface of a floor structure, and wherein the floor beam and the base surface material abut on the floor beam. In addition, a through-hole communicating with each of the in-wall ventilation layer and the underfloor space is formed.

[0007] The third aspect of the present invention is the first or second aspect.
In the described wall-type building, the lowermost end of the outer wall panel is sealed with a sealing material.

According to a fourth aspect of the present invention, in the building according to the first to third aspects, the floor structure is a floor panel, and the building is:
It is characterized by being a unit building constructed by arranging box-shaped building units from floor panels and wall panels vertically, horizontally and vertically.

(Function) In the building according to the first and second aspects, the outer wall panel has a double wall structure having an in-wall ventilation layer, and the in-wall ventilation layer communicates with an underfloor space surrounded by a building foundation. Therefore, outdoor air is supplied to the ventilation layer in the wall from the inspection opening provided on the rising wall of the foundation of the building through the underfloor space and is ventilated. Therefore, there is no danger of rainwater entering the ventilation layer in the wall even in a strong wind. Further, unlike the related art, it is not necessary to cover the outer wall of the connection part of the building including the outside air circulation port with the molding, so that the construction is easy and the appearance of the building is not spoiled.

[0010] In the building according to the third aspect, since the lowermost end of the outer wall panel is sealed with a sealing material, it is possible to more reliably prevent rainwater from entering the ventilation layer in the wall.

The building according to the fourth aspect is a unit building constructed by arranging building units assembled in a box shape from floor panels and wall panels vertically, horizontally and vertically. The same operation as the invention described in the third aspect is achieved. Further, in the case of the prior art, the connecting part outer wall of the building unit is covered with the molding at the construction site. However, according to the present invention, since the molding is not required, the construction period at the construction site can be shortened.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of the present invention. FIG. 1A is an explanatory view showing a part of a building, and FIG.
The figure is a sectional view showing part A of FIG. FIG.
(A) In the drawing, reference numeral 1 denotes a building, and this building 1 is a unit building. The unit building 1 is a unit building of a framed wall construction method, and a box-shaped building unit U composed of a floor structure 3 (floor panel) and an outer wall panel 5 is mounted on a base 4.
Are placed on the left and right, up and down on the building foundation 2 with
The roof unit Y is installed on it, and it is constructed.

The floor structure 3 is a floor panel, and as shown in FIG. 1 (b), a floor beam 31 formed in a square shape.
And a floor panel 32 attached to the floor beam 31. The floor beam 31 is formed of a rectangular piece of wood having a cross section of 38 mm × 140 mm, and its long side is vertically oriented to make the beam tall. The outer wall panel 5 is also the same as FIG.
(B) As shown in the figure, the outer wall material 51 is made of a wood chip cement board, and the base wall material 52 is made of an Oriented Strand Board (OSB). An in-wall ventilation layer 53 is provided between the ground material 52 and the ground material 52. On the indoor side of the base surface material 52, an inner wall surface material 54 with a heat insulating material interposed is attached.

The outer wall panel 5 is provided on the floor structure 3.
The inner side surface of the outer wall panel 5 is abutted against the end face of the vehicle. Through holes 6 having a diameter of 40 mm are formed in the floor beam 31 and the base panel 52 abutting on the floor beam 31 at appropriate intervals. One of the through holes 6 communicates with the in-wall ventilation layer 53, and the other communicates with the underfloor space surrounded by the building foundation 2.

A sealing material 7 made of butyl tape is attached to the lowermost end of the outer wall panel 5 to seal the lower part of the in-wall ventilation layer 53.

(Operation of the First Embodiment) In the unit building 1 of the first embodiment, the outer wall panel 5 has a double-wall structure having an in-wall ventilation layer 53, and the in-wall ventilation layer 53 is a
1 (b) through the underfloor space from an inspection port (not shown) or the like provided on the rising wall of the building foundation 2 because the air flow path K is shown in FIG. Is supplied to the in-wall ventilation layer 53 in the direction of. Therefore, there is no danger of rainwater entering the ventilation layer 53 in the wall even in a strong wind.

Further, since the through-hole 6 is provided in the floor beam 31 which is higher than the base, the through-hole 6 can be enlarged. Furthermore, unlike the related art, it is not necessary to cover the outer wall of the connection part of the building including the outside air circulation port with the molding,
Construction is easy and the appearance of the building is not impaired. Further, since the lowermost end of the outer wall panel 5 is sealed with the sealing material 7, the prevention of rainwater from entering the in-wall ventilation layer 53 is further ensured.

[0018]

According to the first and second aspects of the present invention, the outer wall panel has a double wall structure having an in-wall ventilation layer, and the in-wall ventilation layer communicates with the underfloor space surrounded by the building foundation. Therefore, there is no danger of rainwater entering the ventilation layer in the wall even in strong winds. Also, unlike the prior art, it is not necessary to cover the connecting portion outer wall of the building including the outside air circulation port with the mall,
Construction is easy and the appearance of the building is not impaired.

In the building according to the third aspect, since the lowermost end of the outer wall panel is sealed with a sealing material, the intrusion of rainwater into the ventilation layer in the wall is further ensured.

Since the building according to the fourth aspect is a unit building constructed by arranging building units vertically and horizontally, the construction period at the building site can be shortened by eliminating the need for a mall.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an embodiment of the present invention, wherein FIG. 1A is an explanatory view showing a part of a building, and FIG. 1B is a cross-sectional view showing an enlarged part A of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building (unit building) 2 Building foundation 3 Floor panel 31 Floor beam 32 Floor surface material 4 Base 5 Exterior wall panel 51 Exterior wall material 52 Underground material 53 Wall ventilation layer 6 Through hole 7 Sealing material U Building unit

Claims (4)

[Claims] 1. A building of a framed wall construction method in which an outer wall panel is erected on a peripheral portion of a floor structure installed on a building foundation, wherein the outer wall panel has a double wall having an in-wall ventilation layer. A building having a structure, wherein the in-wall ventilation layer communicates with an underfloor space surrounded by a building foundation. 2. A floor structure comprising a square-shaped floor beam and a floor surface material stuck to the floor beam, and an outer wall panel comprising a double wall comprising an outer wall material and a base surface material. There is an erecting structure in which the indoor side surface of the outer wall panel is abutted against the end surface of the floor structure, and communicates with the floor beam and the underlying surface material abutting on the floor beam, respectively, to the in-wall ventilation layer and the underfloor space. The building according to claim 1, wherein a through hole is formed. 3. The building according to claim 1, wherein a lower end of the outer wall panel is sealed with a sealing material. 4. The floor structure is a floor panel, and the building is a unit building constructed by arranging left and right, up and down, building units assembled in a box shape from a floor panel and a wall panel. The building according to claim 1, wherein the building is a building.