JP5308659B2 - Reinforcement structure on building opening - Google Patents

Reinforcement structure on building opening Download PDF

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JP5308659B2
JP5308659B2 JP2007327867A JP2007327867A JP5308659B2 JP 5308659 B2 JP5308659 B2 JP 5308659B2 JP 2007327867 A JP2007327867 A JP 2007327867A JP 2007327867 A JP2007327867 A JP 2007327867A JP 5308659 B2 JP5308659 B2 JP 5308659B2
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opening
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frame
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JP2009150092A (en
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伸基 辻元
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Sekisui Chemical Co Ltd
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Description

本発明は建物の開口上の補強構造に関する。   The present invention relates to a reinforcing structure on an opening of a building.

建物のリフォームのために、建物の特許文献１に記載の如くに開口（窓等）を有する既存外壁に追加外装材を増し貼りすることがある。   For renovation of a building, an additional exterior material may be additionally attached to an existing outer wall having an opening (window or the like) as described in Patent Document 1 of a building.

尚、建物の耐震補強のために、特許文献２に記載の如く、建物外壁に補強板を貼るものがある。
特開2001-140382 特開2006-336332 In addition, there exists a thing which affixes a reinforcement board on a building outer wall like patent document 2 for the earthquake-proof reinforcement of a building.
JP2001-140382 JP2006-336332

建物の特許文献１に記載の如くに開口（窓等）を有する既存外壁に直に追加外装材を増し貼りするときには、開口上の外壁の重量が追加外装材の増し貼り分だけ増し、開口上の外壁の枠組のうち、開口上の横架材（まぐさ）が外壁の重量に起因して下方にたわみ、窓サッシの開閉に支障をきたす等がある。   When an additional exterior material is directly applied to an existing outer wall having an opening (such as a window) as described in Patent Document 1 of the building, the weight of the outer wall on the opening increases by an additional amount of the additional exterior material. Of the frame of the outer wall, the horizontal member (the lintel) on the opening bends downward due to the weight of the outer wall, thereby hindering the opening and closing of the window sash.

尚、特許文献２は、建物の耐震補強のために、建物の外壁に単に補強板を貼るものであり、建物の開口上の既存外壁に追加外装材を増し貼りする際の補強構造に関するところが全くない。   In addition, Patent Document 2 simply attaches a reinforcing plate to the outer wall of the building for seismic reinforcement of the building, and there is absolutely no place relating to a reinforcing structure when adding additional exterior material to the existing outer wall on the opening of the building. Absent.

本発明の課題は、建物の開口上の既存外壁に追加外装材を増し貼りする際に、開口上の横架材のたわみを防止することにある。   The subject of this invention is preventing the bending of the horizontal member on an opening, when adding and attaching an additional exterior material to the existing outer wall on the opening of a building.

請求項１の発明は、建物の開口を有する既存外壁に追加外装材を増し貼りするに際し、建物の開口上に上壁枠組が設けられるとともに、該上壁枠組の外面に既存外壁が固定されてなる建物の開口上の補強構造において、建物の開口上の上壁枠組の外面に固定されている既存外壁を剥がさずにその上に補強用構造面材を貼り、この補強用構造面材の外側に追加外装材を設け、補強用構造面材と追加外装材の間に空気層形成用胴縁を設けるようにしたものである。
請求項２の発明は、請求項１の発明において更に、前記補強用構造面材が平板状をなすようにしたものである。 In the invention of claim 1, when an additional exterior material is additionally attached to an existing outer wall having an opening of a building, an upper wall frame is provided on the opening of the building, and the existing outer wall is fixed to the outer surface of the upper wall frame. In the reinforcement structure on the opening of the building, the structural surface material for reinforcement is pasted on the outer surface of the upper wall frame on the opening of the building without peeling off the existing outer wall, and the outside of the structural surface material for reinforcement An additional exterior material is provided, and an air layer forming body edge is provided between the reinforcing structural surface material and the additional exterior material .
According to a second aspect of the present invention, in the first aspect of the invention, the reinforcing structural face material is formed in a flat plate shape .

請求項３の発明は、請求項１又は２の発明において更に、前記上壁枠組が、上枠材と、２本の柱と、開口の上の横架材と、上枠材と横架材の間に架け渡される複数本の縦枠材により構成されるようにしたものである。
請求項４の発明は、請求項１〜３のいずれかの発明において更に、前記補強用構造面材と空気層形成用胴縁とを予め組付けた小組体としてなるようにしたものである。 According to a third aspect of the present invention, in the first or second aspect of the present invention, the upper wall frame includes an upper frame member, two columns, a horizontal member above the opening, an upper frame member, and a horizontal member. It is made up of a plurality of vertical frame members spanned between the two .
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the reinforcing structural face material and an air layer forming body edge are assembled in advance as a small assembly.

請求項５の発明は、請求項１〜４のいずれかの発明において更に、前記補強用構造面材を上壁枠組の外面の範囲内にある既存外壁の上にだけ貼るようにしたものである。
請求項６の発明は、請求項５の発明において更に、前記補強用構造面材が貼られない既存外壁と追加外装材の間に空気層形成用胴縁を設けるようにしたものである。 According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects , the reinforcing structural face material is pasted only on the existing outer wall within the range of the outer surface of the upper wall frame. .
According to a sixth aspect of the present invention, in addition to the fifth aspect of the present invention, an air layer forming body edge is provided between an existing outer wall to which the reinforcing structural surface material is not attached and an additional exterior material.

（請求項１、２）
(a)建物の開口上の既存外壁に追加外装材を増し貼りする際に、既存外壁に補強用構造面材を貼り、この補強用構造面材の外側に追加外装材を設ける。これにより、開口上の外壁の重量が追加外装材の増し貼り分だけ増すものの、開口上の外壁の枠組が補強用構造面材により補強され、開口上の外壁の枠組の一部である開口上の横架材も補強される結果、この横架材が外壁の重量に起因して下方にたわむことがなく、窓サッシの開閉に支障をきたすことがない。 (Claims 1 and 2 )
(a) When an additional exterior material is additionally attached to the existing outer wall on the opening of the building, a reinforcing structural surface material is applied to the existing outer wall, and an additional exterior material is provided outside the reinforcing structural surface material. As a result, although the weight of the outer wall on the opening increases by the additional amount of the additional exterior material, the outer wall frame on the opening is reinforced by the structural structural member for reinforcement, and the upper wall is a part of the outer wall frame on the opening. As a result of the reinforcement of the horizontal member, the horizontal member is not bent downward due to the weight of the outer wall, and the opening and closing of the window sash is not hindered.

(b)補強用構造面材と追加外装材の間に、空気層形成用胴縁を設けることにより、開口上の追加外装材の壁内に空気層が形成され、追加外装材の壁内を乾燥状態に保つことができる。 (b) By providing an air layer forming body edge between the reinforcing structural surface material and the additional exterior material, an air layer is formed in the wall of the additional exterior material on the opening, Can be kept dry.

図１は追加外装材の増し貼り状況を示す模式斜視図、図２は開口上の補強構造を示す模式斜視図、図３は開口上の補強構造を示す模式断面図である。   FIG. 1 is a schematic perspective view showing a situation where an additional exterior material is additionally attached, FIG. 2 is a schematic perspective view showing a reinforcing structure on the opening, and FIG. 3 is a schematic sectional view showing the reinforcing structure on the opening.

図１に示す建物１０は、窓（玄関等でも可）を形成する開口Ａを有する。建物１０は、図２、図３に示す如く、上枠材１１と下枠材１２（不図示）の間に複数本の柱１３を立て、開口Ａの周囲に壁枠組２０を形成し、壁枠組２０の外面に既存外壁３０を釘打ち等により固定している。壁枠組２０の内面には内壁４０が釘打ち等により固定されている。   A building 10 shown in FIG. 1 has an opening A that forms a window (or a doorway or the like). As shown in FIGS. 2 and 3, the building 10 has a plurality of pillars 13 standing between an upper frame member 11 and a lower frame member 12 (not shown), and a wall frame 20 is formed around the opening A. The existing outer wall 30 is fixed to the outer surface of the frame 20 by nailing or the like. An inner wall 40 is fixed to the inner surface of the wall frame 20 by nailing or the like.

尚、開口Ａの上の上壁枠組２０Ａは、上枠材１１と、２本の柱１３、１３と、開口Ａの上の横架材（まぐさ）２１と、上枠材１１と横架材２１の間に架け渡される複数本の縦枠材２２により構成される。上壁枠組２０Ａの外面には、開口Ａの上の既存外壁３０Ａが釘打ち等により固定される。   The upper wall frame 20A above the opening A includes an upper frame member 11, two pillars 13 and 13, a horizontal member (lintel) 21 above the opening A, and the upper frame member 11 and the horizontal frame. It is composed of a plurality of vertical frame members 22 spanned between the members 21. The existing outer wall 30A above the opening A is fixed to the outer surface of the upper wall frame 20A by nailing or the like.

建物１０は、リフォームのために、図１〜図３に示す如く、既存外壁３０に追加外装材３１が増し貼りされる。既存外壁３０と追加外装材３１の間には胴縁３２が介装され、追加外装材３１の壁内に空気層３３を形成している。   As shown in FIGS. 1 to 3, an additional exterior material 31 is additionally attached to the existing outer wall 30 for renovation of the building 10. A trunk edge 32 is interposed between the existing outer wall 30 and the additional exterior material 31, and an air layer 33 is formed in the wall of the additional exterior material 31.

このとき、建物１０は、開口Ａの上の上壁枠組２０Ａ、特にその横架材２１を補強するため、図２、図３に示す如く、開口Ａの上の既存外壁３０Ａに補強用構造面材５１を釘打ち等して貼り、この補強用構造面材５１の外側に追加外装材３１を釘打ち等して設ける。補強用構造面材５１としては、構造用合板、木片セメント板、火山性ガラス質複層板（ダイライト）、鉄板等を採用できる。   At this time, in order to reinforce the upper wall frame 20A above the opening A, particularly the horizontal member 21, the building 10 has a reinforcing structural surface on the existing outer wall 30A above the opening A as shown in FIGS. The material 51 is attached by nailing or the like, and the additional exterior material 31 is provided by nailing or the like outside the reinforcing structural surface material 51. As the reinforcing structural face material 51, a structural plywood, a wood chip cement board, a volcanic glassy multilayer board (dielite), an iron board, or the like can be used.

更に、建物１０は、開口Ａの上の補強用構造面材５１と追加外装材３１の間に、胴縁５２を介装し、開口Ａの上の追加外装材３１についてもその壁内に空気層５３を形成する。補強用構造面材５２と胴縁５２は、予め組付けた小組体５０として、既存外壁３０Ａに釘打ち等して貼り設けることができる。   Further, the building 10 has a trunk edge 52 interposed between the reinforcing structural surface material 51 and the additional exterior material 31 above the opening A, and the additional exterior material 31 above the opening A is also air in the wall. Layer 53 is formed. The reinforcing structural face material 52 and the trunk edge 52 can be provided by being nailed or the like on the existing outer wall 30A as a small assembly 50 assembled in advance.

本実施例によれば以下の作用効果を奏する。
(a)建物１０の開口Ａの上の既存外壁３０Ａに追加外装材３１を増し貼りする際に、既存外壁３０Ａに補強用構造面材５１を貼り、この補強用構造面材５１の外側に追加外装材３１を設ける。これにより、開口Ａの上の外壁（既存外壁３０Ａ及び追加外装材３１）の重量が追加外装材３１の増し貼り分だけ増すものの、開口Ａの上の外壁（既存外壁３０Ａ及び追加外装材３１）の壁枠組２０Ａが補強用構造面材５１により補強され、開口Ａの上の外壁（既存外壁３０Ａ及び追加外装材３１）の壁枠組２０Ａの一部である開口Ａの上の横架材２１も補強される結果、この横架材２１が外壁（既存外壁３０Ａ及び追加外装材３１）の重量に起因して下方にたわむことがなく、窓サッシの開閉に支障をきたすことがない。 According to the present embodiment, the following operational effects can be obtained.
(a) When the additional exterior material 31 is additionally attached to the existing outer wall 30A above the opening A of the building 10, a reinforcing structural surface material 51 is applied to the existing outer wall 30A, and added to the outside of the reinforcing structural surface material 51. An exterior material 31 is provided. Thereby, although the weight of the outer wall above the opening A (the existing outer wall 30A and the additional exterior material 31) is increased by the additional amount of the additional exterior material 31, the outer wall above the opening A (the existing outer wall 30A and the additional exterior material 31). The wall frame 20A is reinforced by the structural structural member 51 for reinforcement, and the horizontal member 21 above the opening A which is a part of the wall frame 20A of the outer wall (the existing outer wall 30A and the additional exterior member 31) above the opening A is also included. As a result of the reinforcement, the horizontal member 21 does not bend downward due to the weight of the outer wall (the existing outer wall 30A and the additional exterior member 31), and the opening and closing of the window sash is not hindered.

(b)補強用構造面材５１と追加外装材３１の間に、空気層形成用胴縁５２を設けることにより、開口Ａの上の追加外装材３１の壁内に空気層５３が形成され、追加外装材３１の壁内を乾燥状態に保つことができる。   (b) An air layer 53 is formed in the wall of the additional exterior member 31 above the opening A by providing an air layer forming body edge 52 between the reinforcing structural surface member 51 and the additional exterior member 31; The inside of the wall of the additional exterior member 31 can be kept dry.

(c)上述(b)の補強用構造面材５１と空気層形成用胴縁５２とを予め組付けた小組体５０とすることにより、開口Ａの上を補強する施工性を向上できる。   (c) The workability of reinforcing the top of the opening A can be improved by using the small structural body 50 in which the structural surface material 51 for reinforcement and the body edge 52 for forming the air layer are assembled in advance.

以上、本発明の実施例を図面により詳述したが、本発明の具体的な構成はこの実施例に限られるものではなく、本発明の要旨を逸脱しない範囲の設計の変更等があっても本発明に含まれる。   The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention.

図１は追加外装材の増し貼り状況を示す模式斜視図である。FIG. 1 is a schematic perspective view showing a situation where an additional exterior material is additionally attached. 図２は開口上の補強構造を示す模式斜視図である。FIG. 2 is a schematic perspective view showing a reinforcing structure on the opening. 図３は開口上の補強構造を示す模式断面図である。FIG. 3 is a schematic cross-sectional view showing a reinforcing structure on the opening.

符号の説明Explanation of symbols

１０ 建物
１１ 上枠材
１３ 柱
２０Ａ 上壁枠組
２１ 横架材
２２ 縦枠材
３０、３０Ａ 既存外壁
３１ 追加外装材
３２ 胴縁
３３ 空気層
５０ 小組体
５１ 補強用構造面材
５２ 胴縁
５３ 空気層
Ａ 開口 10 Building
11 Upper frame material
13 Column 20A Upper wall frame 21 Horizontal member
22 Vertical frame material 30, 30A Existing outer wall 31 Additional exterior material
32 Torso
33 Air layer 50 Small assembly 51 Structural face 52 for reinforcement 52 Trunk edge 53 Air layer A Opening

Claims (6)

建物の開口を有する既存外壁に追加外装材を増し貼りするに際し、建物の開口上に上壁枠組が設けられるとともに、該上壁枠組の外面に既存外壁が固定されてなる建物の開口上の補強構造において、
建物の開口上の上壁枠組の外面に固定されている既存外壁を剥がさずにその上に補強用構造面材を貼り、この補強用構造面材の外側に追加外装材を設け、
補強用構造面材と追加外装材の間に空気層形成用胴縁を設けることを特徴とする建物の開口上の補強構造。 When an additional exterior material is additionally attached to an existing outer wall having an opening of a building, an upper wall frame is provided on the opening of the building, and the existing outer wall is fixed to the outer surface of the upper wall frame. In structure
Without peeling off the existing outer wall fixed to the outer surface of the upper wall frame on the opening of the building, a reinforcing structural surface material is pasted thereon, and an additional exterior material is provided outside the reinforcing structural surface material,
A reinforcing structure on an opening of a building, characterized in that an air layer forming body edge is provided between a reinforcing structural surface material and an additional exterior material . 前記補強用構造面材が平板状をなす請求項１に記載の建物の開口上の補強構造。 The reinforcing structure on the opening of the building according to claim 1, wherein the structural structural member for reinforcement has a flat plate shape . 前記上壁枠組が、上枠材と、２本の柱と、開口の上の横架材と、上枠材と横架材の間に架け渡される複数本の縦枠材により構成される請求項１又は２に記載の建物の開口上の補強構造。 The upper wall frame is composed of an upper frame member, two columns, a horizontal member above the opening, and a plurality of vertical frame members that are spanned between the upper frame member and the horizontal member. Item 3. A reinforcing structure on an opening of a building according to item 1 or 2. 前記補強用構造面材と空気層形成用胴縁とを予め組付けた小組体としてなる請求項１〜３のいずれかに記載の建物の開口上の補強構造。 The reinforcing structure on the opening of the building according to any one of claims 1 to 3, wherein the reinforcing structural face material and an air layer forming body edge are assembled in advance as a small assembly. 前記補強用構造面材を上壁枠組の外面の範囲内にある既存外壁の上にだけ貼る請求項１〜４のいずれかに記載の建物の開口上の補強構造。The reinforcing structure on the opening of a building according to any one of claims 1 to 4, wherein the reinforcing structural surface material is pasted only on an existing outer wall within the range of the outer surface of the upper wall frame. 前記補強用構造面材が貼られない既存外壁と追加外装材の間に空気層形成用胴縁を設ける請求項５に記載の建物の開口上の補強構造。The reinforcement structure on the opening of the building according to claim 5, wherein a trunk edge for forming an air layer is provided between an existing outer wall to which the reinforcing structural surface material is not attached and an additional exterior material.
JP2007327867A 2007-12-19 2007-12-19 Reinforcement structure on building opening Active JP5308659B2 (en)

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