JP2020147947A - Metal furring strip for repair external wall - Google Patents
Metal furring strip for repair external wall Download PDFInfo
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Abstract
Description
本発明は改修外壁構造における胴縁の継ぎ部取付金具に関するものである。 The present invention relates to a fitting for mounting a joint of a furring strip in a modified outer wall structure.
従来、外壁の改修において、古くなった既存外壁材を撤去することなく、既存外壁材上に新規胴縁を配し、その新規胴縁上に新規外壁を施工する改修方法いわゆるカバー工法が知られている。（特許文献１）また、このような既存外壁材上に新規胴縁を配する際に、あらかじめ胴縁取付用のアタッチメントを既存外壁材上に設置し、そのアタッチメントに新規胴縁を取り付ける方法が知られている。（特許文献２） Conventionally, in the repair of the outer wall, a repair method is known in which a new furring strip is placed on the existing outer wall material and a new outer wall is constructed on the new furring strip without removing the old existing outer wall material. ing. (Patent Document 1) Further, when arranging a new furring strip on such an existing outer wall material, there is a method in which an attachment for attaching the furring strip is installed on the existing outer wall material in advance and the new furring strip is attached to the attachment. Are known. (Patent Document 2)
特許文献１は、既存外壁材上に配した胴縁と、胴縁上に固定して既存外壁材を覆うように配した新規外壁材から構成され、胴縁を固定する固定具は既存外壁材を貫通して既存外壁材を支持する下地に打ち込まれている改修外壁構造における胴縁の継ぎ部取付金具である。 Patent Document 1 is composed of a furring strip arranged on an existing outer wall material and a new outer wall material fixed on the furring strip and arranged so as to cover the existing outer wall material, and a fixture for fixing the furring strip is an existing outer wall material. It is a joint mounting bracket for the furring strip in the repaired outer wall structure that penetrates through and is driven into the base that supports the existing outer wall material.
しかしながら、このように胴縁を固定具を用いて直接既存外壁材を支持する下地に固定する方法では、胴縁を固定する際に、長尺状の胴縁を保持、扱ったりしながら、取り付け位置の調整や、既存外壁材の裏側にある下地まで直接胴縁の固定を行わなければならず、取り付け作業が大変であった。 However, in the method of fixing the furring strip directly to the base that directly supports the existing outer wall material by using a fixture in this way, when fixing the furring strip, it is attached while holding and handling the long furring strip. The installation work was difficult because the position had to be adjusted and the furring strip had to be fixed directly to the base on the back side of the existing outer wall material.
そこで、特許文献２のような、躯体の壁面に胴縁取り付け用のアタッチメントを固定し、そのアタッチメントに金属胴縁を固定する方法がある。 Therefore, there is a method of fixing the attachment for attaching the furring strip to the wall surface of the skeleton and fixing the metal furring strip to the attachment as in Patent Document 2.
この、特許文献２のアタッチメントは、金属製の板材を長手方向の処々において屈曲することで、壁面にアンカーボルトによって固定される基板部と、前記基板部から屈曲されて前記壁面から離間するように延びる内壁部と、前記内壁部と一体をなし、前記内壁部から前記基板部と平行になるように前記長手方向の端側で屈曲されて延びる胴縁を取り付ける支持部と、前記支持部と一体をなし、前記支持部から前記長手方向の端側で屈曲されて前記壁面に近づくように延びる外壁部とを有するアタッチメント、若しくは、これを左右対称状に形成したアタッチメントである。 The attachment of Patent Document 2 is formed by bending a metal plate material in some places in the longitudinal direction so that the substrate portion fixed to the wall surface by anchor bolts and the substrate portion are bent from the substrate portion and separated from the wall surface. The extending inner wall portion is integrated with the inner wall portion, and the support portion for attaching the furring strip extending from the inner wall portion at the end side in the longitudinal direction so as to be parallel to the substrate portion is integrated with the support portion. This is an attachment having an outer wall portion that is bent from the support portion on the end side in the longitudinal direction and extends so as to approach the wall surface, or an attachment that is formed symmetrically.
しかしながら、この特許文献２で開示されているアタッチメントでは、その形状が金属製の板材を長手方向の処々において屈曲しただけの単純な形状であるため、外力に対する強度が足りず、例えば胴縁取り付け時等の強度が不足し、外力によって変形してしまう可能性があった。 However, in the attachment disclosed in Patent Document 2, since the shape is a simple shape in which a metal plate material is simply bent in some places in the longitudinal direction, the strength against external force is insufficient, for example, when the furring strip is attached. There was a possibility that it would be deformed by an external force due to insufficient strength.
さらに、この特許文献２に開示されている外装材の施工方法では、躯体の壁面にアンカーボルトで胴縁取り付け用アタッチメントを固定するため、固定に使う壁面の劣化や強度不足、取付強度の不足といった問題があった。 Further, in the method of constructing the exterior material disclosed in Patent Document 2, since the attachment for attaching the furring strip is fixed to the wall surface of the skeleton with anchor bolts, the wall surface used for fixing is deteriorated, the strength is insufficient, and the attachment strength is insufficient. There was a problem.
本発明はこのような課題を解決するために、以下の手段を提供している。 The present invention provides the following means for solving such a problem.
垂直平面状の固定面と、該固定面の上端部分を屋外側へ突出した上補強片と、固定面の途中を水平方向にかつ屋外側へ突出した立ち上がり片と、立ち上がり片の先端を下方に垂下した施工面と、施工面の下端を屋内側に突出した下補強片と、固定面の左右両端部の施工面の位置を外方に突出した施工位置確認片とから形成した改修外壁構造における胴縁の継ぎ部取付金具を提供するものである。 A vertically flat fixed surface, an upper reinforcing piece projecting the upper end portion of the fixed surface to the outdoor side, a rising piece projecting horizontally and outdoors in the middle of the fixed surface, and a rising piece having the tip of the rising piece downward. In the repaired outer wall structure formed from a hanging construction surface, a lower reinforcing piece with the lower end of the construction surface protruding indoors, and a construction position confirmation piece with the positions of the construction surfaces at both left and right ends of the fixed surface protruding outward. It provides a joint mounting bracket for the furring strip.
本発明に係る改修外壁構造における胴縁の継ぎ部取付金具によれば、（１）低コストである。（２）施工性が良好である。（３）強度に優れた改修外壁構造となる。（４）地震時のＡＬＣのスライド現象（ドライロッキング構法の場合）に追従し、耐震性が向上する。 According to the joint mounting bracket of the furring strip in the modified outer wall structure according to the present invention, (1) the cost is low. (2) Good workability. (3) The repaired outer wall structure has excellent strength. (4) The seismic resistance is improved by following the ALC slide phenomenon (in the case of the dry locking construction method) at the time of an earthquake.
以下に図面を用いて、本発明に係る改修外壁構造における胴縁の継ぎ部取付金具について説明する。 The joint mounting bracket of the furring strip in the modified outer wall structure according to the present invention will be described below with reference to the drawings.
本発明に係る改修外壁構造における胴縁の継ぎ部取付金具Ｂは図１、図２（ａ）（平面図）、（ｂ）（正面図）、（ｃ）（右側面図）、（ｄ）（Ｅ−Ｅ部断面図）、（ｅ）（底面図）に示すように、垂直平面状の固定面Ｂ１と、固定面Ｂ１の上端部分を屋外側へ突出した上補強片Ｂ２と、固定面Ｂ１の途中を水平方向にかつ屋外側へ突出した立ち上がり片Ｂ３と、立ち上がり片Ｂ３の先端を下方に垂下した施工面Ｂ４と、施工面Ｂ４の下端を屋内側に突出した下補強片Ｂ５と、固定面Ｂ１の左右両端部の施工面Ｂ４の脇の位置を外方に突出した施工位置確認片Ｂ６と、固定面Ｂ１に複数個形成した固定孔Ｂ７とから形成したものである。 The furring strip mounting bracket B in the modified outer wall structure according to the present invention is FIG. 1, FIG. 2 (a) (plan view), (b) (front view), (c) (right side view), (d). As shown in (cross-sectional view of EE portion) and (e) (bottom view), a vertically planar fixed surface B1, an upper reinforcing piece B2 in which the upper end portion of the fixed surface B1 protrudes to the outdoor side, and a fixed surface. A rising piece B3 that protrudes horizontally and outward in the middle of B1, a construction surface B4 in which the tip of the rising piece B3 hangs downward, and a lower reinforcing piece B5 in which the lower end of the construction surface B4 protrudes indoor. It is formed from a construction position confirmation piece B6 in which the positions on the sides of the construction surface B4 at both left and right ends of the fixed surface B1 project outward, and a plurality of fixing holes B7 formed in the fixed surface B1.
勿論、上補強片Ｂ３、施工面Ｂ４、下補強片Ｂ５の幅は、図１５（ａ）に示す胴縁Ｄの施工面Ｄ３の幅より狭く形成することにより、図４、図６、図９に示すようにハット形胴縁Ｄを施工するものである。また、図４、図６、図９に示すように施工位置確認片Ｂ６が一般部胴縁Ｄよりも外方に突出する寸法に形成するものである。 Of course, the widths of the upper reinforcing piece B3, the construction surface B4, and the lower reinforcement piece B5 are formed to be narrower than the width of the construction surface D3 of the furring strip D shown in FIG. 15A, so that FIGS. 4, 6, and 9 As shown in the above, the hat-shaped furring strip D is constructed. Further, as shown in FIGS. 4, 6 and 9, the construction position confirmation piece B6 is formed so as to protrude outward from the general portion furring strip D.
図３（ａ）〜（ｃ）は本発明に係る改修外壁構造における胴縁の継ぎ部取付金具を使用した改修外壁構造の施工順序を示す水平方向断面図であり、αは既存外壁材、βは固定具、Ａは一般部取付金具、Ｂは継ぎ部取付金具、Ｃは縦横連結金具、Ｄはハット形胴縁、Ｄａはハット形横胴縁、Ｄｂはハット形縦胴縁、Ｅは一般部胴縁、Ｅａは一般部横胴縁、Ｅｂは一般部縦胴縁、Ｆは防水シート（アスファルトフェルト、透湿防水シート等）、Ｇは新規外壁材である。 3 (a) to 3 (c) are horizontal cross-sectional views showing the construction order of the repaired outer wall structure using the joint mounting bracket of the furring strip in the repaired outer wall structure according to the present invention, where α is the existing outer wall material and β. Is a fixture, A is a general part mounting bracket, B is a joint mounting bracket, C is a vertical and horizontal connecting bracket, D is a hat-shaped furring strip, Da is a hat-shaped horizontal furring strip, Db is a hat-shaped vertical furring strip, and E is a general The furring strip, Ea is the horizontal furring strip of the general part, Eb is the vertical furring strip of the general part, F is a waterproof sheet (asphalt felt, moisture permeable waterproof sheet, etc.), and G is a new outer wall material.
図４（ａ）〜（ｃ）〜図１０（ａ）、（ｂ）は本発明に係る改修外壁構造における胴縁の継ぎ部取付金具を使用した改修外壁構造の施工状態を示す説明図である。 4 (a) to 4 (c) to 10 (a) and 10 (b) are explanatory views showing a construction state of the repaired outer wall structure using the joint mounting bracket of the furring strip in the repaired outer wall structure according to the present invention. ..
図３（ａ）〜（ｃ）および図４（ａ）〜（ｃ）に示すように、既存外壁材α上にＡＬＣ用アンカーβ１を用いて一般部取付金具Ａを取り付けている。 As shown in FIGS. 3 (a) to 3 (c) and FIGS. 4 (a) to 4 (c), the general part mounting bracket A is mounted on the existing outer wall material α by using the ALC anchor β1.
一般部取付金具Ａは図１１、図１２（ａ）（平面図）、（ｂ）（正面図）、（ｃ）（右側面図）、（ｄ）（Ｂ−Ｂ部断面図）、（ｅ）（Ｃ−Ｃ部断面図）、（ｆ）（Ａ−Ａ部断面図）、（Ｇ）（Ｄ部拡大図）に示すように、一般部取付金具Ａは、既存外壁材α又は既存外壁材αを支持する下地に対して一般部取付金具Ａを固定するためのビスやアンカーボルトといった固定具βを取り付けるための略方形状の固定部Ａ２と、固定部Ａ２の上下方向の端部から屋外方向に立ち上げた屈曲面Ａ３と、屈曲面Ａ３の端を固定部Ａ２とほぼ平行になるように折り曲げた施工面Ａ１と、固定部Ａ２の左右方向両端部から屋外方向に立ち上げた中央片Ａ４とを有し、中央片Ａ４は施工面Ａ１の上下方向に延びる中央片延出部Ａ５を有している。 The general part mounting bracket A is shown in FIGS. 11, 12 (a) (plan view), (b) (front view), (c) (right side view), (d) (cross-sectional view of BB part), (e). ) (C-C section cross-sectional view), (f) (AA section cross-sectional view), (G) (D section enlarged view), the general part mounting bracket A is the existing outer wall material α or the existing outer wall. From the substantially rectangular fixing part A2 for attaching the fixing tool β such as screws and anchor bolts for fixing the general part mounting bracket A to the base supporting the material α, and the vertical end of the fixing part A2. The bent surface A3 raised in the outdoor direction, the construction surface A1 in which the ends of the bent surface A3 are bent so as to be substantially parallel to the fixed portion A2, and the center raised in the outdoor direction from both left and right ends of the fixed portion A2. It has a piece A4, and the central piece A4 has a central piece extending portion A5 extending in the vertical direction of the construction surface A1.
中央片延出部Ａ５の施工面Ａ１裏面に面する側には上部受け部Ａ６があり、一方施工面Ａ１裏面には、施工面Ａ１が既存外壁材αの側に変形しようとした際に上部受け部Ａ６と接する上部接部Ａ７がある。 The upper receiving portion A6 is on the side of the central piece extending portion A5 facing the back surface of the construction surface A1, while the back surface of the construction surface A1 is the upper portion when the construction surface A1 is about to be deformed to the side of the existing outer wall material α. There is an upper contact portion A7 that contacts the receiving portion A6.
中央片延出部Ａ５には、施工面Ａ１が、固定部Ａ２がある既存外壁材αの側から離れるような方向へ変形しようとした際に、側片Ａ８と接することでその変形を防止する下部受け部Ａ９がある。この下部受け部Ａ９と接する側片Ａ８の部位は下部接部Ａ１０とする。 When the construction surface A1 of the central piece extending portion A5 tries to be deformed in a direction away from the side of the existing outer wall material α where the fixing portion A2 is located, the construction surface A1 comes into contact with the side piece A8 to prevent the deformation. There is a lower receiving part A9. The portion of the side piece A8 in contact with the lower receiving portion A9 is the lower contact portion A10.
中央片延出部Ａ５には、固定部Ａ２の中心から離れる方向に変形しようとした際に、側片Ａ８と接することでその変形を防止する側部受け部Ａ１１がある。この側部受け部Ａ１１と接する側片Ａ８の部位は側部接部Ａ１２とする。 The central piece extending portion A5 has a side receiving portion A11 that prevents the deformation by coming into contact with the side piece A8 when trying to deform in a direction away from the center of the fixed portion A2. The portion of the side piece A8 in contact with the side receiving portion A11 is the side contact portion A12.
側片Ａ８の下端には外方に屈曲して延設した突出片Ａ１３を形成し、一部をさらに外方に突出させた施工位置確認片Ａ１４を形成したものである。この施工位置確認片Ａ１４は図４に示すように、胴縁Ｅを一般部取付金具Ａに固定する際に、一般部取付金具Ａ上に一般部胴縁Ｅを被せた状態でも、一般部取付金具Ａの施工面Ａ１の位置が確認できる状態としたものである。 At the lower end of the side piece A8, a projecting piece A13 that is bent outward and extended is formed, and a construction position confirmation piece A14 that is partially projected outward is formed. As shown in FIG. 4, the construction position confirmation piece A14 is attached to the general portion even when the furring strip E is fixed to the general portion mounting bracket A even when the general portion furring strip E is covered on the general portion mounting bracket A. The position of the construction surface A1 of the metal fitting A can be confirmed.
勿論、図６および図９に示すように位置確認片Ａ１４が胴縁Ｅよりも外方に突出する寸法に形成するものである。 Of course, as shown in FIGS. 6 and 9, the position confirmation piece A14 is formed so as to protrude outward from the furring strip E.
固定部Ａ２には、ビスやアンカーボルトといった固定具βを挿入するための固定孔Ａ１５が形成されている。 A fixing hole A15 for inserting a fixing tool β such as a screw or an anchor bolt is formed in the fixing portion A2.
本発明に係る改修外壁構造における胴縁の継ぎ部取付金具は、図３（ａ）〜（ｃ）〜図１０（ａ）、（ｂ）に示すように、一般部取付金具Ａ、繋ぎ部取付金具Ｂ、縦横連結金具Ｃを介して、ハット形胴縁Ｄと一般部胴縁Ｅを既存外壁材α上に固定し、その上に防水シートＦを介して新規外壁材Ｇを施工するものである。 As shown in FIGS. 3 (a) to 3 (c) to 10 (a) and 10 (b), the furring strip mounting bracket in the modified outer wall structure according to the present invention includes a general portion mounting bracket A and a joint mounting bracket. The hat-shaped furring strip D and the general furring strip E are fixed on the existing outer wall material α via the metal fitting B and the vertical / horizontal connecting metal fitting C, and the new outer wall material G is installed on the existing outer wall material α via the waterproof sheet F. is there.
図において、α1は既存アングル、β１はＡＬＣ用アンカー、β２はロングテクスビス、β３は平頭テクスビス、β４はテクスビス、Ｄはハット形胴縁、Ｄａはハット形縦胴縁、Ｄｂはハット形横胴縁、Ｅは一般部胴縁、Ｅａは一般部縦胴縁、Ｅｂは一般部横胴縁、Ｆは防水シート、Ｇは新規外壁材、Ｓはスペーサー、Ｗは開口部である。 In the figure, α1 is the existing angle, β1 is the anchor for ALC, β2 is the long texbis, β3 is the flat-headed texbis, β4 is the texbis, D is the hat-shaped furring strip, Da is the hat-shaped vertical furring strip, and Db is the hat-shaped horizontal trunk. The edge, E is the general part furring strip, Ea is the general part vertical furring strip, Eb is the general part horizontal furring strip, F is the waterproof sheet, G is the new outer wall material, S is the spacer, and W is the opening.
縦横連結金具Ｃは図１３（ａ）、（ｂ）、図１４（ａ）（背面図）、（ｂ）（左側面図）、（ｃ）（正面図）、（ｄ）（右側面図）、（ｅ）（平面図）、（ｆ）（Ｆ−Ｆ部端面図）、（Ｇ）（Ｇ−Ｇ部端面図）に示すように、垂直平面状で略矩形の固定面Ｃ１と、固定面Ｃ１の隣り合う辺を屋外側へ突出した支持面Ｃ２と支持面Ｃ３と、他２辺の角部を屋内側に屈曲して突出した引っ掛け片Ｃ４と、固定面Ｃ１、支持面Ｃ２と支持面Ｃ３に形成した複数個の固定孔Ｃ５とから形成したものである。縦横連結金具Ｃはハット形胴縁Ｄと一般部胴縁Ｅ間を連結することにより、取付強度を向上するものである。 The vertical and horizontal connecting metal fittings C are shown in FIGS. 13 (a), (b), 14 (a) (rear view), (b) (left side view), (c) (front view), (d) (right side view). , (E) (plan view), (f) (FF part end view), (G) (GG part end view), fixed to a vertically planar and substantially rectangular fixed surface C1. Support surface C2 and support surface C3 with adjacent sides of surface C1 protruding to the outdoor side, hook piece C4 with the corners of the other two sides bent indoor side, and support with fixed surface C1 and support surface C2. It is formed from a plurality of fixing holes C5 formed on the surface C3. The vertical / horizontal connecting metal fitting C improves the mounting strength by connecting the hat-shaped furring strip D and the general portion furring strip E.
ハット形胴縁Ｄは、ハット形縦胴縁Ｄａ、ハット形横胴縁Ｄｂよりなり、図１５（ａ）に示すように、垂直平面状の固定面Ｄ１と、固定面Ｄ１の中央部を屋外方向に突出した立ち上がり片Ｄ２と、垂直平面状の施工面Ｄ３と、固定面Ｄ１に形成した固定孔Ｄ４とから形成した長尺状板材である。 The hat-shaped furring strip D is composed of a hat-shaped vertical furring strip Da and a hat-shaped horizontal furring strip Db, and as shown in FIG. 15A, the vertical plane fixed surface D1 and the central portion of the fixed surface D1 are outdoors. It is a long plate material formed from a rising piece D2 protruding in the direction, a vertically flat construction surface D3, and a fixing hole D4 formed in the fixing surface D1.
一般部胴縁Ｅは、一般部縦胴縁Ｅａ、一般部横胴縁Ｅｂよりなり、図１５（ｂ）に示すように、垂直平面状の固定面Ｅ１と、固定面Ｅ１の一端を屋外側に突出した立ち上がり片Ｅ２と、立ち上がり片Ｅ２の先端を上方に突出した施工面Ｅ３と、施工面Ｅ３の上端を屋内側に突出した支持片Ｅ４とから形成した長尺状板材である。 The general portion furring strip E is composed of the general portion vertical furring strip Ea and the general portion horizontal furring strip Eb, and as shown in FIG. 15B, the vertical plane fixed surface E1 and one end of the fixed surface E1 are on the outdoor side. It is a long plate material formed from a rising piece E2 protruding upward, a construction surface E3 with the tip of the rising piece E2 protruding upward, and a support piece E4 with the upper end of the construction surface E3 protruding indoors.
一般部取付金具Ａ、継ぎ部取付金具Ｂ、縦横連結金具Ｃ、ハット形胴縁Ｄ、一般部胴縁Ｅの材質としては、例えば溶融亜鉛−アルミニウム−マグネシウム合金めっき等の高耐蝕性の鋼材やアルミやステンレスといった金属製のものがあるが、特に材質は限定されるものではない。一般的には金属製のものが主であるため金具と表記しているが、金属製のものでなくてもよい。 As the material of the general part mounting bracket A, the joint mounting bracket B, the vertical / horizontal connecting bracket C, the hat-shaped furring strip D, and the general portion furring strip E, for example, a steel material having high corrosion resistance such as hot dip galvanized aluminum-magnesium alloy plating Some are made of metal such as aluminum and stainless steel, but the material is not particularly limited. Generally, it is described as a metal fitting because it is mainly made of metal, but it does not have to be made of metal.
図５、図８に示すように、一般部に形成する一般部取付金具Ａ、継ぎ部取付金具Ｂは既存外壁材αであるＡＬＣの幅方向中心に一般部取付金具Ａ、継ぎ部取付金具Ｂを固定することで、地震時のＡＬＣのスライド現象（ドライロッキング構法の場合）にハット形胴縁Ｄ、一般部胴縁Ｅ、新規外壁材Ｇが追従するＡＬＣ改修工法となるものである。 As shown in FIGS. 5 and 8, the general part mounting bracket A and the joint mounting bracket B formed on the general portion are the general portion mounting bracket A and the joint mounting bracket B at the center in the width direction of the existing outer wall material α of ALC. By fixing the above, the ALC repair method is such that the hat-shaped furring strip D, the general furring strip E, and the new outer wall material G follow the ALC sliding phenomenon (in the case of the dry locking construction method) at the time of an earthquake.
また、図５〜図１０に開口部Ｗ（図示しないが出隅部）の伸縮目地Ｍを、ハット形胴縁Ｄ、一般部胴縁Ｅで繋がないように形成することにより、地震時の変形に追従できるようにし、耐震性を向上するものである。 Further, in FIGS. 5 to 10, the expansion joint M of the opening W (not shown, but the protruding corner) is formed so as not to be connected by the hat-shaped furring strip D and the general portion furring strip E, so that the joint is deformed at the time of an earthquake. It makes it possible to follow the above and improves the earthquake resistance.
また、図６、図９示すように開口部左右の既存外壁材α上に一般部横胴縁Ｅｂを形成する場合には、開口部Ｗの左面既存外壁材αにハット形縦胴縁Ｄａを形成して地震時の揺れに対して一般部横胴縁Ｅｂが追従できるように形成し、開口部Ｗの右面既存外壁材αに対しては一般部横胴縁Ｅｂを分断し、開口部Ｗの右脇に形成した一般部縦胴縁Ｅａが地震時の揺れに対して追従できるように形成したものである。このように形成することにより、地震等の揺れに対して既存外壁材αが破損することなく、改修壁構造の下地を形成できるものである。 Further, as shown in FIGS. 6 and 9, when the general portion horizontal furring strip Eb is formed on the existing outer wall material α on the left and right of the opening, the hat-shaped vertical furring strip Da is formed on the existing outer wall material α on the left side of the opening W. It is formed so that the general horizontal furring strip Eb can follow the shaking during an earthquake, and the general horizontal furring strip Eb is divided from the existing outer wall material α on the right side of the opening W, and the opening W is formed. The vertical furring strip Ea of the general part formed on the right side of the above is formed so as to be able to follow the shaking at the time of an earthquake. By forming in this way, it is possible to form the base of the repaired wall structure without damaging the existing outer wall material α due to shaking such as an earthquake.
新規外壁材Ｇの一例としては、図１６に断面を示すように、長尺で金属製の薄板からなる金属製表面材Ｇ１と裏面材Ｇ２間に芯材Ｇ３をサンドイッチした金属製外壁材である。また、Ｇ４は新規外壁材Ｇを固定するための固定面である。勿論、窯業系、樹脂系の新規外壁材Ｇを使用できるものである。 As an example of the new outer wall material G, as shown in the cross section in FIG. 16, it is a metal outer wall material in which a core material G3 is sandwiched between a metal front material G1 and a back material G2 made of a long and thin metal plate. .. Further, G4 is a fixing surface for fixing the new outer wall material G. Of course, a new ceramic-based or resin-based outer wall material G can be used.
金属製表面材Ｇ１と裏面材Ｇ２は金属薄板、例えば鉄、アルミニウム、銅、ステンレス、チタン、アルミ・亜鉛合金メッキ鋼板、ガルバリウム鋼板、ホーロー鋼板、クラッド鋼板、ラミネート鋼板（塩ビ鋼板等）、サンドイッチ鋼板（制振鋼板等）、塩化ビニル樹脂、ポリカーボネイト樹脂等（勿論、これらを各種色調に塗装したカラー板を含む）の一種をロール成形、プレス成形、押出成形等によって各種形状に成形したもの、あるいは無機質材を押出成形、プレス成形、オートクレーブ養生成形等して各種任意形状に形成したものである。また、裏面材Ｇ２としてはアルミニウム蒸着紙、クラフト紙、アスファルトフェルト、金属箔（Ａｌ、Ｆｅ、Ｐｂ、Ｃｕ）、合成樹脂シート、ゴムシート、布シート、石膏紙、水酸化アルミ紙、ガラス繊維不織布等の１種、または２種以上をラミネートしたもの、あるいは防水処理、難燃処理されたシート状物からなるものでも良いものである。 The metal front surface material G1 and the back surface material G2 are thin metal plates such as iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy plated steel plate, galvalume steel plate, hollow steel plate, clad steel plate, laminated steel plate (PVC steel plate, etc.), sandwich steel plate. A type of (vibration-damping steel sheet, etc.), vinyl chloride resin, polycarbonate resin, etc. (including, of course, color plates coated with various colors) are molded into various shapes by roll molding, press molding, extrusion molding, etc., or Inorganic material is formed into various arbitrary shapes by extrusion molding, press molding, autoclave curing form, or the like. The backing material G2 includes aluminum vapor-deposited paper, kraft paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, and glass fiber non-woven fabric. It may be made of one kind, or two or more kinds of laminated products, or a sheet-like material which has been waterproofed or flame-retardant.
芯材Ｇ３は例えばポリウレタンフォーム、ポリイソシアヌレートフォーム、フェノールフォーム、塩化ビニルフォーム、ポリエチレンフォーム、ポリスチレンフォーム、ユリアフォーム等、の合成樹脂発泡体からなるものであり、特に耐火性を必要とする場合にはレゾール型フェノールの原液と、硬化剤、発泡剤を混合し、表面材１、もしくは裏面材２の裏面側に吐出させ、加熱して反応・発泡・硬化させて形成したものである。また、芯材３中には各種難燃材として軽量骨材（パーライト粒、ガラスビーズ、石膏スラグ、タルク石、シラスバルーン、水酸化アルミニウム等）、繊維状物（グラスウール、ロックウール、カーボン繊維、グラファイト等）を混在させ、耐火性、防火性を向上させることも出来る。勿論、芯材３としてロックウール、グラスウール、セラミックウール等の無機材を使用しても良いものである。 The core material G3 is made of a synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc., and is particularly when fire resistance is required. Is formed by mixing a stock solution of a resin-type phenol, a curing agent, and a foaming agent, discharging the mixture to the back surface side of the front surface material 1 or the back surface material 2, and heating to react, foam, and cure. In addition, the core material 3 contains lightweight aggregates (pearlite grains, glass beads, graphite slag, talc stone, silas balloon, aluminum hydroxide, etc.) and fibrous materials (glass wool, rock wool, carbon fiber, etc.) as various refractory materials. (Graphite, etc.) can be mixed to improve fire resistance and fire resistance. Of course, an inorganic material such as rock wool, glass wool, or ceramic wool may be used as the core material 3.
次に、図３（ａ）〜（ｃ）〜図１０（ａ）、（ｂ）を用いて、本発明に係る改修外壁構造における胴縁の継ぎ部取付金具を使用した改修外壁構造の施工順序について説明する。 Next, using FIGS. 3 (a) to 3 (c) to 10 (a) and 10 (b), the order of construction of the repaired outer wall structure using the furring strip joint mounting bracket in the repaired outer wall structure according to the present invention. Will be described.
図１６に示すような新規外壁材Ｇを既存外壁材α上に施工すると場合に、既存外壁材α上に、ハット形胴縁Ｄ、ハット形縦胴縁Ｄ１、ハット形横胴縁Ｄ２、一般部胴縁Ｅ、一般部縦胴縁Ｅ１、一般部横胴縁Ｅ２を施工する位置に合わせて、一般部取付金具Ａ、継ぎ部取付金具ＢをＡＬＣ用アンカーβ１、ロングテクスビスβ２を用いて固定する。なお、既存外壁材αの不陸調整のために、スペーサーＳを形成するものである。 When the new outer wall material G as shown in FIG. 16 is installed on the existing outer wall material α, the hat-shaped furring strip D, the hat-shaped vertical furring strip D1, the hat-shaped horizontal furring strip D2, and the general ALC anchor β1 and long texbis β2 are used to attach the general part mounting bracket A and the joint mounting bracket B according to the positions where the general part furring strip E, the general part vertical furring strip E1, and the general part horizontal furring strip E2 are to be installed. Fix it. The spacer S is formed to adjust the non-landing of the existing outer wall material α.
次に、施工された一般部取付金具Ａと継ぎ部取付金具Ｂに対して、ハット形胴縁Ｄ、ハット形縦胴縁Ｄ１、ハット形横胴縁Ｄ２、一般部胴縁Ｅ、一般部縦胴縁Ｅ１、一般部横胴縁Ｅ２を平頭テクスビスβ３により打設し、固定する。また、図６、図９に示すように必要部位には縦横連結金具Ｃを平頭テクスビスβ３により打設し、固定するものである。 Next, with respect to the constructed general part mounting bracket A and joint mounting bracket B, the hat-shaped furring strip D, the hat-shaped vertical furring strip D1, the hat-shaped horizontal furring strip D2, the general portion furring strip E, and the general portion vertical The furring strip E1 and the general lateral furring strip E2 are driven and fixed by the flat-headed texbis β3. Further, as shown in FIGS. 6 and 9, a vertical / horizontal connecting metal fitting C is driven and fixed at a necessary portion by a flat-headed texbis β3.
ハット形胴縁Ｄ、ハット形縦胴縁Ｄ１、ハット形横胴縁Ｄ２、一般部胴縁Ｅ、一般部縦胴縁Ｅ１、一般部横胴縁Ｅ２の施工が完了したら、全面に防水シートＦを施工し、最後に図１５に断面を示す長尺状の新規外壁材Ｇを縦に施工して施工を完了するものである。 After the construction of the hat-shaped furring strip D, the hat-shaped vertical furring strip D1, the hat-shaped horizontal furring strip D2, the general part furring strip E, the general part vertical furring strip E1, and the general part horizontal furring strip E2 is completed, the waterproof sheet F is applied to the entire surface. Finally, a new long outer wall material G whose cross section is shown in FIG. 15 is vertically constructed to complete the construction.
なお、図３（ａ）〜（ｃ）、図４（ａ）〜（ｃ）は一般部を示す説明図、図５〜１０図（ａ）、（ｂ）は開口部Ｗ部分の施工状態を示す説明図である。 3 (a) to (c) and 4 (a) to (c) are explanatory views showing a general portion, and FIGS. 5 to 10 (a) and (b) show the construction state of the opening W portion. It is explanatory drawing which shows.
特に、図５〜図７（ａ）、（ｂ）は既存外壁材αに既存アングルα１が存在する場合、図６〜図８（ａ）、（ｂ）は既存外壁材αに既存アングルα１が存在しない場合の施工状態を示すものである。 In particular, FIGS. 5 to 7 (a) and 7 (b) show that when the existing outer wall material α has an existing angle α1, FIGS. 6 to 8 (a) and 8 (b) show that the existing outer wall material α has an existing angle α1. It shows the construction state when it does not exist.
α 既存外壁材
α１ 既存アングル
β 固定具
β１ ＡＬＣ用アンカー
β２ ロングテクスビス
β３ 平頭テクスビス
β４ テクスビス
Ａ 一般部取付金具
Ｂ 継ぎ部取付金具
Ｃ 縦横連結金具
Ｄ ハット形胴縁
Ｄａ ハット形縦胴縁
Ｄｂ ハット形横胴縁
Ｅ 一般部胴縁
Ｅａ 一般部縦胴縁
Ｅｂ 一般部横胴縁
Ｆ 防水シート
Ｇ 新規外壁材
Ｍ 伸縮目地
Ｓ スペーサー
Ｗ 開口部
Ａ１ 施工面
Ａ２ 固定部
Ａ３ 屈曲面
Ａ４ 中央片
Ａ５ 中央片延出部
Ａ６ 上部受け部
Ａ７ 上部接部
Ａ８ 側片
Ａ９ 下部受け部
Ａ１０ 下部接部
Ａ１１ 側部受け部
Ａ１２ 側部接部
Ａ１３ 突出片
Ａ１４ 施工位置確認片
Ａ１５ 固定孔
Ｂ１ 固定面
Ｂ２ 上補強片
Ｂ３ 立ち上がり片
Ｂ４ 施工面
Ｂ５ 下補強片
Ｂ６ 施工位置確認片
Ｂ７ 固定孔
Ｃ１ 固定面
Ｃ２ 支持面
Ｃ３ 支持面
Ｃ４ 引っ掛け片
Ｃ５ 固定孔
Ｄ１ 固定面
Ｄ２ 立ち上がり片
Ｄ３ 施工面
Ｄ４ 固定孔
Ｅ１ 固定面
Ｅ２ 立ち上がり片
Ｅ３ 施工面
Ｅ４ 支持片
Ｇ１ 金属製表面材
Ｇ２ 裏面材
Ｇ３ 芯材
Ｇ４ 固定面
α Existing outer wall material α1 Existing angle β Fixture β1 ALC anchor β2 Long texbis β3 Flat head texbis β4 Texbis A General part mounting bracket B Joint mounting bracket C Vertical and horizontal connecting bracket D Hat type furring strip Da Hat type Vertical furring strip Db Hat Shape Horizontal furring strip E General part furring strip Ea General part Vertical furring strip Eb General part Horizontal furring strip F Waterproof sheet G New outer wall material M Stretchable joint S Spacer W Opening A1 Construction surface A2 Fixed part A3 Bending surface A4 Central piece A5 Center One-sided extension part A6 Upper receiving part A7 Upper contact part A8 Side piece A9 Lower receiving part A10 Lower contact part A11 Side receiving part A12 Side contact part A13 Projecting piece A14 Construction position confirmation piece A15 Fixing hole B1 Fixing surface B2 Top reinforcement Piece B3 Standing piece B4 Construction surface B5 Lower reinforcement piece B6 Construction position confirmation piece B7 Fixing hole C1 Fixed surface C2 Supporting surface C3 Supporting surface C4 Hooking piece C5 Fixing hole D1 Fixed surface D2 Standing piece D3 Construction surface D4 Fixing hole E1 Fixed surface E2 Rising piece E3 Construction surface E4 Support piece G1 Metal surface material G2 Back surface material G3 Core material G4 Fixed surface
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019044683A JP7215941B2 (en) | 2019-03-12 | 2019-03-12 | Attachment fittings for joints of furring strips in repaired outer wall structures |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019044683A JP7215941B2 (en) | 2019-03-12 | 2019-03-12 | Attachment fittings for joints of furring strips in repaired outer wall structures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2020147947A true JP2020147947A (en) | 2020-09-17 |
| JP7215941B2 JP7215941B2 (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019044683A Active JP7215941B2 (en) | 2019-03-12 | 2019-03-12 | Attachment fittings for joints of furring strips in repaired outer wall structures |
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| JP (1) | JP7215941B2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030756A (en) * | 1983-07-31 | 1985-02-16 | 松下電工株式会社 | Remodeling structure of existing outer wall |
| JPH07109774A (en) * | 1993-06-23 | 1995-04-25 | Nippon Kenko Kk | Fitting for column material |
| JP3021142U (en) * | 1995-07-31 | 1996-02-16 | 株式会社アスク | Wall plate mounting bracket |
| JP2009046968A (en) * | 2007-07-20 | 2009-03-05 | Sanko Metal Ind Co Ltd | Newly constructed substrate member and its mounting structure |
| US20110185659A1 (en) * | 2010-01-29 | 2011-08-04 | Lorenz Kunststofftechnik Gmbh | Mounting Bracket For Wall Insulation |
| US20140196399A1 (en) * | 2013-01-14 | 2014-07-17 | II John David Egri | Expansion Bracket |
-
2019
- 2019-03-12 JP JP2019044683A patent/JP7215941B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030756A (en) * | 1983-07-31 | 1985-02-16 | 松下電工株式会社 | Remodeling structure of existing outer wall |
| JPH07109774A (en) * | 1993-06-23 | 1995-04-25 | Nippon Kenko Kk | Fitting for column material |
| JP3021142U (en) * | 1995-07-31 | 1996-02-16 | 株式会社アスク | Wall plate mounting bracket |
| JP2009046968A (en) * | 2007-07-20 | 2009-03-05 | Sanko Metal Ind Co Ltd | Newly constructed substrate member and its mounting structure |
| US20110185659A1 (en) * | 2010-01-29 | 2011-08-04 | Lorenz Kunststofftechnik Gmbh | Mounting Bracket For Wall Insulation |
| US20140196399A1 (en) * | 2013-01-14 | 2014-07-17 | II John David Egri | Expansion Bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7215941B2 (en) | 2023-01-31 |
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