JP7107206B2 - Building - Google Patents

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JP7107206B2
JP7107206B2 JP2018234541A JP2018234541A JP7107206B2 JP 7107206 B2 JP7107206 B2 JP 7107206B2 JP 2018234541 A JP2018234541 A JP 2018234541A JP 2018234541 A JP2018234541 A JP 2018234541A JP 7107206 B2 JP7107206 B2 JP 7107206B2
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insulating material
heat insulating
wall
floor
foundation
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JP2020094450A (en
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忠雄 東
保人 杉村
賢 野間
義行 畑
徹也 梅野
高明 今村
克己 馬淵
大輔 平井
昌也 岩本
俊明 廣畑
雅之 畑
翔太 麻野
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Sekisui House Ltd
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Sekisui House Ltd
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Description

本発明は、建築物に関する。 The present invention relates to buildings.

従来、特許文献１に記載されているように、建築物において種々の断熱材を配置することが知られている。この断熱材により居住空間の内外間における熱の出入りを防ぎ、建築物の省エネルギー性や快適性を確保することができる。 Conventionally, as described in Patent Document 1, it is known to arrange various heat insulating materials in buildings. This heat insulating material prevents heat from entering and exiting between the inside and outside of the living space, ensuring energy conservation and comfort of the building.

特許文献１に記載された建築物は、基礎と、当該基礎の内側面にブラケットを介して固定されたフレーム柱と、当該フレーム柱の上端に固定された床梁と、当該床梁に対してブラケットを介して支持されたＡＬＣパネルと、基礎の上面に対して隙間を空けて上方に配置された内壁フレームと、を備えている。この建築物では、壁及び基礎のそれぞれに断熱材が配置されており、これらの断熱材同士の隙間が、基礎の上面に配置された連結用断熱材により充填されている。 The building described in Patent Document 1 includes a foundation, a frame pillar fixed to the inner surface of the foundation via a bracket, a floor beam fixed to the upper end of the frame pillar, and the floor beam It comprises an ALC panel supported via brackets and an inner wall frame arranged above the upper surface of the foundation with a gap therebetween. In this building, heat insulating materials are arranged on each of the walls and the foundation, and gaps between these heat insulating materials are filled with connecting heat insulating materials arranged on the upper surface of the foundation.

特開２０１０－２０９６５６号公報JP 2010-209656 A

ここで、特許文献１に記載された建築物のように基礎の上面と壁フレームとの間に上下方向の隙間が形成されるものだけでなく、基礎の上面に壁フレームが載置される建築物もある。この場合、連結用断熱材の厚みを確保するのが難しく、基礎と壁の連結部における断熱性能を高めるのが困難になる。 Here, in addition to the building in which a vertical gap is formed between the upper surface of the foundation and the wall frame as described in Patent Document 1, a building in which the wall frame is placed on the upper surface of the foundation There are also things. In this case, it is difficult to secure the thickness of the connection heat insulating material, and it becomes difficult to improve the heat insulation performance at the connection portion between the foundation and the wall.

本発明は、上記課題に鑑みてなされたものであり、その目的は、基礎と壁の連結部における断熱性能を高めることが可能な建築物を提供することである。 SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to provide a building capable of enhancing the heat insulation performance at the connecting portion between the foundation and the wall.

本発明の一局面に係る建築物は、鉛直方向に立ち上がり、前記建築物の屋外側を向く外面と、前記建築物の屋内側を向く内面と、を含む基礎と、前記基礎に連結された外壁パネルであって、前記基礎の上面に載置された下部フレーム材を含む軸組と、前記軸組よりも屋外側に配置された外側壁断熱材と、前記外側壁断熱材よりも屋外側に配置されると共に前記軸組に支持された外壁と、を含む前記外壁パネルと、前記基礎の外面に配置された外側基礎断熱材と、前記外壁パネルよりも屋内側に配置された床材と、前記床材を前記基礎に対して支持するための部材であって、前記基礎の上面に載置される部分を有し、前記建築物の内外方向に前記下部フレーム材と重なるように配置された床支持部材と、前記外側壁断熱材と前記外側基礎断熱材との間の鉛直方向の隙間に介在する断熱材であって、前記内外方向に前記下部フレーム材及び前記床支持部材と重なるように配置された第１連結断熱材と、前記内外方向に前記第１連結断熱材と重なるように、前記基礎の内面側に配置された内側断熱材と、を備えている。 A building according to one aspect of the present invention comprises a foundation that rises vertically and includes an outer surface facing the outdoor side of the building and an inner surface facing the indoor side of the building, and an outer wall connected to the foundation. A panel comprising a framework including a lower frame member placed on the upper surface of the foundation, an outer wall heat insulating material disposed outside the framework, and an outer wall heat insulating material positioned outside the outer wall heat insulating material. an outer wall positioned and supported by the framework; an outer foundation insulation positioned on the outer surface of the foundation; a flooring positioned indoors relative to the outer wall panel; A member for supporting the floor material with respect to the foundation, which has a portion placed on the upper surface of the foundation, and is arranged so as to overlap with the lower frame material in the inside and outside directions of the building. A floor support member and a heat insulating material interposed in a vertical gap between the outer wall heat insulating material and the outer base heat insulating material so as to overlap the lower frame member and the floor support member in the inward and outward directions. A first connecting heat insulating material is arranged, and an inner heat insulating material is arranged on the inner surface side of the foundation so as to overlap the first connecting heat insulating material in the inside-out direction.

上記建築物によれば、以下のようにして、基礎と壁の連結部における高い断熱性能を確保することができる。この建築物では、基礎と壁の連結部における断熱構造の連続性を確保するために、外側壁断熱材と外側基礎断熱材との間の鉛直方向の隙間に第１連結断熱材が介在している。ここで、当該第１連結断熱材は、下部フレーム材及び床支持部材に対して内外方向に重なるように配置されている。したがって、下部フレーム材及び床支持部材との干渉のため、第１連結断熱材を内外方向に厚く形成することが難しく、結果として基礎と壁の連結部における断熱性能を高めるのが困難になる。 According to the building described above, it is possible to ensure high heat insulation performance at the connecting portion between the foundation and the wall as follows. In this building, in order to ensure the continuity of the insulation structure at the connection between the foundation and the wall, the first connection insulation is interposed in the vertical gap between the outer wall insulation and the outer foundation insulation. there is Here, the first connecting heat insulating material is arranged so as to overlap the lower frame material and the floor support member in the inward and outward directions. Therefore, it is difficult to increase the thickness of the first connection heat insulating material in the inward and outward directions due to interference with the lower frame member and the floor support member.

これに対し、本発明の建築物では、第１連結断熱材に対して内外方向に重なるように、内側断熱材が基礎の内面側に配置されている。これにより、第１連結断熱材を内外方向に厚く形成できないことに起因する断熱性能の低下を、当該内側断熱材を配置することにより補うことができる。したがって、本発明の建築物によれば、基礎と壁の連結部における断熱性能を高めることができる。 In contrast, in the building of the present invention, the inner heat insulating material is arranged on the inner surface side of the foundation so as to overlap the first connecting heat insulating material in the inside and outside directions. Thus, the provision of the inner heat insulating material can compensate for a decrease in heat insulating performance due to the fact that the first connecting heat insulating material cannot be formed thick in the inner and outer directions. Therefore, according to the building of the present invention, it is possible to improve the heat insulating performance at the connecting portion between the foundation and the wall.

上記建築物は、前記外壁の下方に配置されると共に前記外壁の外面を伝って流れ落ちる水を屋外側に案内する部材であって、前記内外方向に前記第１連結断熱材と重なるように前記第１連結断熱材よりも屋外側に配置された水切り部材をさらに備えていてもよい。 The building is a member that is arranged below the outer wall and guides water flowing down along the outer surface of the outer wall to the outside, and is arranged so as to overlap the first connecting heat insulating material in the inward and outward direction. A draining member arranged on the outdoor side of the one-connected heat insulating material may be further provided.

この構成によれば、外壁の外面を伝って流れ落ちる水が、屋内側に侵入するのを防止することができる。また上述の通り、内側断熱材により基礎と壁の連結部における断熱性を確保することができるため、第１連結断熱材の外側に水切り部材を配置するためのスペースを確保することができる。 According to this configuration, it is possible to prevent water flowing down along the outer surface of the outer wall from entering the indoor side. In addition, as described above, the inner heat insulating material can ensure heat insulation at the connecting portion between the foundation and the wall, so it is possible to secure a space for arranging the draining member outside the first connecting heat insulating material.

上記建築物において、前記外壁と前記外側壁断熱材との間には、鉛直方向に延びる通気路が設けられていてもよい。前記第１連結断熱材は、前記通気路の下部を外部空間に開放するように前記通気路よりも屋内側に配置されていてもよい。 In the building described above, a vertically extending ventilation path may be provided between the outer wall and the outer wall heat insulating material. The first connecting heat insulating material may be arranged on the indoor side of the ventilation path so as to open the lower part of the ventilation path to the outside space.

この構成によれば、外壁パネルの内部を容易に換気することができる。また上述の通り、内側断熱材により基礎と壁の連結部における断熱性を確保することができるため、通気路の下部を外部空間に開放するためのスペースを第１連結断熱材の外側において確保することが可能になる。 According to this configuration, the inside of the outer wall panel can be easily ventilated. In addition, as described above, since the inner heat insulating material can ensure heat insulation at the connection between the foundation and the wall, a space for opening the lower part of the ventilation path to the outside space is secured outside the first connecting heat insulating material. becomes possible.

上記建築物において、前記第１連結断熱材は、前記外側壁断熱材及び前記外側基礎断熱材よりも柔軟性が高い材料からなるものであってもよい。 In the building described above, the first connecting heat insulating material may be made of a material having higher flexibility than the outer wall heat insulating material and the outer base heat insulating material.

この構成によれば、外側壁断熱材と外側基礎断熱材により第１連結断熱材を挟んで容易に押し縮めることが可能となり、外側壁断熱材と外側基礎断熱材との連結部における断熱構造の連続性をより確実に確保することが可能になる。 According to this configuration, the outer wall heat insulating material and the outer basic heat insulating material can be easily compressed while sandwiching the first connection heat insulating material, and the heat insulating structure at the connecting portion between the outer wall heat insulating material and the outer basic heat insulating material is improved. Continuity can be ensured more reliably.

上記建築物は、前記基礎の内面に配置された内側基礎断熱材と、前記床材の下面に配置された床断熱材と、前記内側基礎断熱材と前記床断熱材との間の隙間に介在する第２連結断熱材と、を含んでいてもよい。前記内側基礎断熱材、前記床断熱材及び前記第２連結断熱材の一部が前記内側断熱材を構成していてもよい。 The building includes an inner basic heat insulating material arranged on the inner surface of the foundation, a floor insulating material arranged on the lower surface of the floor material, and a gap between the inner basic insulating material and the floor insulating material. and a second connecting insulation. A part of the inner basic heat insulating material, the floor insulating material, and the second connecting heat insulating material may constitute the inner heat insulating material.

この構成によれば、外側基礎断熱材及び内側基礎断熱材により基礎を内外両面から包むことができるため、建築物の断熱性能をより高めることができる。 According to this configuration, the foundation can be wrapped from both the inside and the outside with the outside basic heat insulating material and the inside basic heat insulating material, so that the heat insulation performance of the building can be further enhanced.

上記建築物において、前記第２連結断熱材は、前記内側基礎断熱材及び前記床断熱材よりも柔軟性が高い材料からなるものであってもよい。 In the building described above, the second connecting heat insulating material may be made of a material having higher flexibility than the inner basic heat insulating material and the floor heat insulating material.

この構成によれば、床材の重みにより第２連結断熱材を容易に押し縮めることができるため、床断熱材と内側基礎断熱材との連結部に隙間が生じるのを防ぐことができる。 According to this configuration, the second connecting heat insulating material can be easily compressed by the weight of the floor material, so that it is possible to prevent a gap from occurring in the connecting portion between the floor heat insulating material and the inner basic heat insulating material.

上記建築物は、前記外壁パネルの断熱材と前記床断熱材との間の隙間に介在する第３連結断熱材をさらに備えていてもよい。 The building may further include a third connecting heat insulating material interposed between the heat insulating material of the outer wall panel and the floor insulating material.

この構成によれば、建築物の屋内側部分においても基礎と壁との連結部における断熱構造の連続性を確保し、断熱性能をより高めることができる。 According to this configuration, it is possible to ensure the continuity of the heat insulating structure at the connecting portion between the foundation and the wall even in the indoor portion of the building, thereby further enhancing the heat insulating performance.

以上の説明から明らかなように、本発明によれば、基礎と壁の連結部における断熱性能を高めることが可能な建築物を提供することができる。 As is clear from the above description, according to the present invention, it is possible to provide a building capable of improving the heat insulation performance at the connecting portion between the foundation and the wall.

本発明の実施形態に係る建築物の全体構成を模式的に示す斜視図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows typically the whole building structure which concerns on embodiment of this invention. 本発明の実施形態に係る建築物における壁構造を模式的に示す断面図である。It is a sectional view showing typically the wall structure in the building concerning the embodiment of the present invention. 本発明の実施形態に係る建築物における基礎と壁の連結部の構造を模式的に示す図である。It is a figure which shows typically the structure of the connection part of the foundation and wall in the building which concerns on embodiment of this invention.

以下、図面に基づいて、本発明の実施形態に係る建築物について詳細に説明する。 A building according to an embodiment of the present invention will be described in detail below with reference to the drawings.

図１は、本実施形態に係る建築物１の全体構成を模式的に示している。建築物１は、例えば二階建ての鉄骨住宅であり、図１に示すように、基礎２と、当該基礎２上に配置された一階壁３と、当該一階壁３上に配置された二階壁４と、当該二階壁４上に配置された屋根５と、を主に備えている。なお、建築物１の階数は特に限定されない。 FIG. 1 schematically shows the overall configuration of a building 1 according to this embodiment. The building 1 is, for example, a two-story steel frame house, and as shown in FIG. It mainly comprises a wall 4 and a roof 5 arranged on the second floor wall 4. - 特許庁Note that the number of floors of the building 1 is not particularly limited.

基礎２は、地面から鉛直方向に立ち上がるように設けられ、一階壁３、二階壁４及び屋根５をそれぞれ支持する。基礎２は、例えば鉄筋コンクリートからなる。 The foundation 2 is provided so as to rise vertically from the ground, and supports the first floor wall 3, the second floor wall 4, and the roof 5, respectively. The foundation 2 is made of reinforced concrete, for example.

一階壁３は、水平方向に互いに隣接する複数の外壁パネル６を備えている。各外壁パネル６は、矩形状を有し、長さ方向が鉛直方向に沿った縦姿勢で基礎２に連結されている。より具体的には、各外壁パネル６の上部は床梁８（一階と二階の間に位置する梁）に連結され、各外壁パネル６の下部はアンカーボルト（図示しない）などにより基礎２に連結されている。また水平方向に隣接する外壁パネル６同士も互いに連結されている。 The ground floor wall 3 comprises a plurality of exterior wall panels 6 which are horizontally adjacent to each other. Each outer wall panel 6 has a rectangular shape and is connected to the foundation 2 in a vertical posture with its length direction along the vertical direction. More specifically, the upper portion of each outer wall panel 6 is connected to a floor beam 8 (beam located between the first and second floors), and the lower portion of each outer wall panel 6 is attached to the foundation 2 by anchor bolts (not shown) or the like. Concatenated. Moreover, the lateral wall panels 6 adjacent in the horizontal direction are also connected to each other.

二階壁４は、床梁８を挟んで一階壁３の上方に設けられている。二階壁４は、一階壁３と同様に、水平方向に互いに隣接する複数の外壁パネル６を備えている。二階壁４を構成している外壁パネル６は、一階壁３を構成している外壁パネル６と同じものである。二階壁４を構成している各外壁パネル６の上部は小屋梁（図示しない）に連結されており、その下部は床梁８に連結されている。 The second floor wall 4 is provided above the first floor wall 3 with a floor beam 8 interposed therebetween. The second floor wall 4, like the first floor wall 3, comprises a plurality of exterior wall panels 6 which are horizontally adjacent to each other. The outer wall panel 6 forming the second floor wall 4 is the same as the outer wall panel 6 forming the first floor wall 3. - 特許庁The upper part of each outer wall panel 6 constituting the second floor wall 4 is connected to a roof beam (not shown), and the lower part is connected to a floor beam 8 .

次に、建築物１の壁構造について、図２を参照して詳細に説明する。図２は、外壁パネル６の配列方向に沿った一階壁３の水平断面図であり、二枚の外壁パネル６及び当該外壁パネル６に組み付けられる二枚の内装パネル７がそれぞれ示されている。図２中において、一点鎖線Ｌ１よりも屋外側の部分が外壁パネル６に相当し、当該一点鎖線Ｌ１よりも屋内側の部分が内装パネル７に相当する。 Next, the wall structure of building 1 will be described in detail with reference to FIG. FIG. 2 is a horizontal sectional view of the first floor wall 3 along the arrangement direction of the outer wall panels 6, showing two outer wall panels 6 and two interior panels 7 assembled to the outer wall panels 6, respectively. . In FIG. 2 , the portion on the exterior side of the dashed line L1 corresponds to the exterior wall panel 6, and the portion on the interior side of the dashed line L1 corresponds to the interior panel 7. As shown in FIG.

図２に示すように、各外壁パネル６は、軸組１０と、軸組１０よりも屋外側に配置された外側壁断熱材６３と、外側壁断熱材６３よりも屋外側に配置されると共に軸組１０に支持された外壁２０と、を含む。 As shown in FIG. 2, each of the outer wall panels 6 includes the framework 10, the outer wall heat insulating material 63 arranged on the outdoor side of the framework 10, and the outer wall heat insulating material 63 arranged on the outdoor side of the outer wall heat insulating material 63. an outer wall 20 supported on the frame 10;

軸組１０は、複数本の鉄骨フレームが矩形枠状に組み付けられたものである。具体的には、図１及び図２に示すように、軸組１０は、水平方向に互いに間隔を空けて配置された二本の柱１２と、当該二本の柱１２の下端部同士を接続する下部フレーム材１３と、当該二本の柱１２の上端部同士を接続する上部フレーム材１４と、を含み、これら四本の部材により矩形枠を構成している。柱１２、下部フレーム材１３及び上部フレーム材１４は、例えばＣ形鋼からなり、開口部を枠体の内側に向けた状態で互いに組み付けられている。また図１に示すように、軸組１０は、当該矩形枠の対角線上に架け渡された二本の筋交い１５（ブレース）を含む。 The framework 10 is formed by assembling a plurality of steel frames into a rectangular frame shape. Specifically, as shown in FIGS. 1 and 2, the framework 10 includes two columns 12 horizontally spaced apart from each other and connecting the lower ends of the two columns 12 to each other. and an upper frame member 14 connecting the upper ends of the two pillars 12. These four members form a rectangular frame. The column 12, the lower frame member 13, and the upper frame member 14 are made of C-shaped steel, for example, and are assembled together with the opening facing the inside of the frame. Also, as shown in FIG. 1, the frame 10 includes two braces 15 (braces) that span diagonally across the rectangular frame.

外壁２０は、軸組１０から離間して当該軸組１０の屋外側に配置されている。外壁２０は、軸組１０の外形に沿った矩形状を有するコンクリート製の部材であり、屋外側を向く外面２０Ｃと、屋内側を向く内面２０Ａと、外面２０Ｃと内面２０Ａとを接続する側面２０Ｂと、を含む。外面２０Ｃには、意匠用の凹凸（図３）が設けられている。内面２０Ａには、鉛直方向に延びるＣ形鋼からなるフレーム２１が、屋内側に開口する向きに配置されている。 The outer wall 20 is spaced apart from the framework 10 and arranged on the outdoor side of the framework 10 . The outer wall 20 is a concrete member having a rectangular shape along the outer shape of the framework 10, and has an outer surface 20C facing the outside, an inner surface 20A facing the indoor side, and a side surface 20B connecting the outer surface 20C and the inner surface 20A. and including. The outer surface 20C is provided with irregularities for design (FIG. 3). A vertically extending frame 21 made of C-shaped steel is arranged on the inner surface 20A so as to open to the indoor side.

外壁２０は、第１金具３０、第２金具４０及び連結金具５０により、内外方向に延びる軸を中心として軸組１０に対して回転可能に支持されている。図２に示すように、第１金具３０は、Ｌ字形状を有しており、ボルトなどの締結具３３により柱１２の開口側の面に固定されると共に外壁２０側に延びる一方の金具片と、当該一方の金具片の延出端から略直角を成して柱１２の外面１２Ａに沿って延びると共に当該外面１２Ａとの間に間隔を空けて配置された他方の金具片と、を有している。 The outer wall 20 is supported by the first metal fitting 30 , the second metal fitting 40 and the connecting metal fitting 50 so as to be rotatable with respect to the framework 10 about an axis extending in the inward and outward directions. As shown in FIG. 2, the first metal fitting 30 has an L-shape, is fixed to the opening side surface of the pillar 12 by a fastener 33 such as a bolt, and extends toward the outer wall 20 side. and the other metal fitting piece extending along the outer surface 12A of the pillar 12 at a substantially right angle from the extending end of the one metal fitting piece and being spaced apart from the outer surface 12A. is doing.

第２金具４０は、ボルトなどの締結具４３により外壁２０のフレーム２１の開口側の面に固定されると共に軸組１０側に延びる一方の金具片と、当該一方の金具片の延出端から略直角を成して延びると共に外壁２０の内面２０Ａとの間に間隔を空けて配置された他方の金具片と、を有している。そして、第１金具３０の他方の金具片と第２金具４０の他方の金具片とは、軸組１０と外壁２０との間の略中間位置において内外方向に互いに重なっている。また図２に示すように、柱１２の外面１２Ａと第１金具３０（他方の金具片）との間及び外壁２０の内面２０Ａと第２金具４０（他方の金具片）との間には、断熱材６１，６２がそれぞれ配置されている。 The second metal fitting 40 is fixed to the surface of the outer wall 20 on the opening side of the frame 21 by a fastener 43 such as a bolt, and includes one metal piece extending toward the framework 10, and an extension end of the one metal piece. and the other metal fitting piece extending substantially at right angles and arranged with a space between it and the inner surface 20A of the outer wall 20. - 特許庁The other metal fitting piece of the first metal fitting 30 and the other metal fitting piece of the second metal fitting 40 overlap each other in the inward and outward directions at a substantially intermediate position between the frame 10 and the outer wall 20 . Further, as shown in FIG. 2, between the outer surface 12A of the pillar 12 and the first metal fitting 30 (the other metal fitting piece) and between the inner surface 20A of the outer wall 20 and the second metal fitting 40 (the other metal fitting piece), Heat insulating materials 61 and 62 are arranged respectively.

連結金具５０は、第１金具３０と第２金具４０とを互いに回転可能に連結するものであり、第１金具３０を貫通する連結ボルト５１と、第２金具４０を第１金具３０に対して押さえ付ける押さえ板５２と、を有する。連結ボルト５１の締め具合により、押さえ板５２が第２金具４０を第１金具３０に対して押さえ付ける力を調整可能である。これにより、地震発生時などにおいて外壁２０が軸組１０に対して内外方向に延びる軸を中心として回転運動することが許容されるため、外壁２０を保護することができる。 The connecting metal fitting 50 rotatably connects the first metal fitting 30 and the second metal fitting 40 to each other. and a pressing plate 52 for pressing. The force with which the pressing plate 52 presses the second metal fitting 40 against the first metal fitting 30 can be adjusted by the degree of tightening of the connecting bolt 51 . This allows the outer wall 20 to rotate around the axis extending in the inward and outward directions with respect to the framework 10 in the event of an earthquake or the like, so that the outer wall 20 can be protected.

外側壁断熱材６３は、例えばポリスチレンフォームやフェノールフォームなどの硬質発泡系断熱材である。外側壁断熱材６３は、外壁２０よりも幅が小さい矩形状を有し、当該外壁２０の内面２０Ａに沿って配置されている。また外側壁断熱材６３は、柱１２の外面１２Ａよりも屋外側に配置されている。 The outer wall heat insulating material 63 is, for example, a hard foam heat insulating material such as polystyrene foam or phenol foam. The outer wall heat insulating material 63 has a rectangular shape with a smaller width than the outer wall 20 and is arranged along the inner surface 20A of the outer wall 20 . Also, the outer wall heat insulating material 63 is arranged on the outdoor side of the outer surface 12A of the pillar 12 .

図２に示すように、外側壁断熱材６３は、外壁２０の内面２０Ａとの間に通気路Ｓ１が設けられるように、当該内面２０Ａに対して屋内側に離間している。この通気路Ｓ１には、スペーサ９０が配置されている。通気路Ｓ１は、外壁パネル６の全体に亘って鉛直方向に延びている。また外壁パネル６は、外側壁断熱材６３よりも屋内側に配置された外側繊維系断熱材６４（ロックウールやグラスウールなど）をさらに有している。 As shown in FIG. 2, the outer wall heat insulating material 63 is separated from the inner surface 20A of the outer wall 20 toward the indoor side so that an air passage S1 is provided between the outer wall heat insulating material 63 and the inner surface 20A. A spacer 90 is arranged in the air passage S1. The air passage S1 extends vertically over the entire outer wall panel 6 . The outer wall panel 6 further has an outer fiber-based heat insulating material 64 (rock wool, glass wool, etc.) arranged on the indoor side of the outer wall heat insulating material 63 .

内装パネル７は、内側繊維系断熱材６５と、内側壁断熱材６６と、内装材６７と、を主に備えている。内側繊維系断熱材６５は、ロックウールやグラスウールなどであり、外側繊維系断熱材６４と共に筋交い１５を挟むように配置されている。内側壁断熱材６６は、外側壁断熱材６３と同様に硬質発泡系断熱材であり、外側壁断熱材６３と共に外側及び内側繊維系断熱材６４，６５を挟んでいる。内装材６７は、例えば石膏ボードなどであり、内側壁断熱材６６の内面に貼り付けられている。 The interior panel 7 mainly includes an inner fiber-based heat insulating material 65 , an inner wall heat insulating material 66 and an interior material 67 . The inner fiber heat insulating material 65 is rock wool, glass wool, or the like, and is arranged with the outer fiber heat insulating material 64 so as to sandwich the brace 15 therebetween. The inner wall heat insulating material 66 is a hard foam heat insulating material like the outer wall heat insulating material 63 , and sandwiches the outer and inner fiber heat insulating materials 64 and 65 together with the outer wall heat insulating material 63 . The interior material 67 is, for example, a gypsum board or the like, and is attached to the inner surface of the inner wall heat insulating material 66 .

次に、建築物１における基礎２と壁の連結部の構造について、図３を参照して詳細に説明する。基礎２は、地面Ｇ１に対して垂直に立ち上がるように設けられ、建築物１の屋外側を向き且つ鉛直方向に延びる平坦な外面２Ａと、建築物１の屋内側を向き且つ鉛直方向に延びる平坦な内面２Ｂと、外面２Ａと内面２Ｂを接続する平坦な上面２Ｃと、を含む。図３に示すように、基礎２は、段差部２Ｄが形成されることにより、上部の幅が下部の幅よりも小さくなっている。軸組１０の下部フレーム材１３は、基礎２の上面２Ｃに載置されており、アンカーボルト（図示しない）などにより基礎２に連結されている。 Next, the structure of the connecting portion between the foundation 2 and the wall in the building 1 will be described in detail with reference to FIG. The foundation 2 is provided so as to rise vertically with respect to the ground G1. a flat inner surface 2B and a planar upper surface 2C connecting the outer surface 2A and the inner surface 2B. As shown in FIG. 3, the foundation 2 has a stepped portion 2D so that the width of the upper portion is smaller than the width of the lower portion. A lower frame member 13 of the framework 10 is placed on the upper surface 2C of the foundation 2 and connected to the foundation 2 by anchor bolts (not shown) or the like.

建築物１は、外側基礎断熱材７１と、内側基礎断熱材９４と、第１連結断熱材７４と、水切り部材９６と、床材７２と、床支持部材７３と、床断熱材９２と、第２連結断熱材９３と、第３連結断熱材６８と、をさらに備えている。 The building 1 includes an outer basic heat insulating material 71, an inner basic heat insulating material 94, a first connecting heat insulating material 74, a drain member 96, a floor material 72, a floor support member 73, a floor heat insulating material 92, a second A second connection heat insulating material 93 and a third connection heat insulating material 68 are further provided.

外側基礎断熱材７１は、基礎２の外面２Ａに配置されており、外側壁断熱材６３と同様に、例えばポリスチレンフォームやフェノールフォームなどの硬質発泡系断熱材である。外側基礎断熱材７１は、鉛直方向に延びる外面７１Ａ及び内面７１Ｂを含み、外面７１Ａが外壁２０の外面２０Ｃよりも屋外側に位置すると共に内面７１Ｂを基礎２の外面２Ａ側に向けた状態で配置されている。外側基礎断熱材７１は、基礎２の外面２Ａ全体を覆うように配置されており、上面７１Ｃが基礎２の上面２Ｃと略同じ高さに位置している。 The outer base heat insulating material 71 is arranged on the outer surface 2A of the foundation 2 and is, like the outer wall heat insulating material 63, a rigid foam heat insulating material such as polystyrene foam or phenol foam. The outer base heat insulating material 71 includes an outer surface 71A and an inner surface 71B extending in the vertical direction, and is arranged with the outer surface 71A positioned outside the outer surface 20C of the outer wall 20 and the inner surface 71B facing the outer surface 2A of the foundation 2. It is The outer basic heat insulating material 71 is arranged so as to cover the entire outer surface 2A of the foundation 2 , and the upper surface 71C is positioned at substantially the same height as the upper surface 2C of the foundation 2 .

内側基礎断熱材９４は、基礎２の内面２Ｂに配置されており、外側基礎断熱材７１と同様に、例えばポリスチレンフォームやフェノールフォームなどの硬質発泡系断熱材である。図３に示すように、内側基礎断熱材９４は、その上面が基礎２の上面２Ｃよりも上側に位置するように配置されている。 The inner base heat insulating material 94 is arranged on the inner surface 2B of the foundation 2, and is, like the outer base heat insulating material 71, a hard foam heat insulating material such as polystyrene foam or phenol foam. As shown in FIG. 3 , the inner basic heat insulating material 94 is arranged so that its upper surface is located above the upper surface 2C of the foundation 2 .

第１連結断熱材７４は、外側壁断熱材６３と外側基礎断熱材７１との間の鉛直方向の隙間に介在している。より具体的には、第１連結断熱材７４は、外側壁断熱材６３の下面と外側基礎断熱材７１の上面７１Ｃとにより鉛直方向に挟まれている。第１連結断熱材７４は、外側壁断熱材６３及び外側基礎断熱材７１よりも柔軟性が高い軟質断熱材であり、例えば発泡系断熱材又は繊維系断熱材を用いることができる。より具体的には、第１連結断熱材７４は、ポリウレタンフォームなどの連続気泡が形成された発泡樹脂であって、形状復元力を有するものである。 The first connecting heat insulating material 74 is interposed in the vertical gap between the outer wall heat insulating material 63 and the outer basic heat insulating material 71 . More specifically, the first connecting heat insulating material 74 is vertically sandwiched between the lower surface of the outer wall heat insulating material 63 and the upper surface 71</b>C of the outer basic heat insulating material 71 . The first connecting heat insulating material 74 is a soft heat insulating material having higher flexibility than the outer wall heat insulating material 63 and the outer basic heat insulating material 71, and for example, a foam heat insulating material or a fiber heat insulating material can be used. More specifically, the first connecting heat insulating material 74 is a foamed resin such as polyurethane foam in which open cells are formed, and has a shape restoring force.

第１連結断熱材７４は、下部フレーム材１３よりも屋外側に配置されると共に、建築物１の内外方向に下部フレーム材１３及び床支持部材７３と重なるように配置されている。換言すると、第１連結断熱材７４、下部フレーム材１３及び床支持部材７３は、高さ範囲が互いに重なる部分を有している。また図３に示すように、第１連結断熱材７４は、通気路Ｓ１の下部を外部空間（下方）に開放するように、当該通気路Ｓ１よりも屋内側に配置されている。 The first connecting heat insulating material 74 is arranged outside the lower frame member 13 and is arranged so as to overlap the lower frame member 13 and the floor support member 73 in the inside-outside direction of the building 1 . In other words, the first connecting heat insulating material 74, the lower frame member 13, and the floor support member 73 have portions where the height ranges overlap each other. Further, as shown in FIG. 3, the first connecting heat insulating material 74 is arranged on the indoor side of the air passage S1 so as to open the lower portion of the air passage S1 to the outside space (downward).

水切り部材９６は、外壁２０の外面２０Ｃを伝って流れ落ちる水を屋外側に案内する部材である。図３に示すように、水切り部材９６は、外壁２０の下方に配置されると共に取付具９６Ａ及び後述する水切り固定部材８５を介して基礎２に固定されており、屋外側に向かって下り勾配となる傾斜面を有している。この傾斜面に沿って排水することができる。また水切り部材９６は、内外方向に第１連結断熱材７４と重なるように、当該第１連結断熱材７４よりも屋外側に配置されている。 The draining member 96 is a member that guides water running down along the outer surface 20C of the outer wall 20 to the outdoor side. As shown in FIG. 3, the draining member 96 is arranged below the outer wall 20 and fixed to the foundation 2 via a fixture 96A and a draining fixing member 85, which will be described later. It has an inclined surface. Water can be drained along this slope. Moreover, the draining member 96 is arranged on the outdoor side of the first connecting heat insulating material 74 so as to overlap the first connecting heat insulating material 74 in the inward and outward direction.

床材７２は、例えば合板などからなり、外壁パネル６よりも屋内側において水平に配置されている。床支持部材７３は、床材７２を基礎２に対して支持するための部材であって、基礎２の上面２Ｃに載置される部分７３Ａを有している。床支持部材７３は、例えば木材からなり、基礎２の上面２Ｃにおいて内外方向に下部フレーム材１３と重なるように当該下部フレーム材１３よりも屋内側に配置されており、且つ床断熱材９２における基礎２の内面２Ｂよりも屋外側に突出した部分の下方に位置している。 The floor material 72 is made of plywood, for example, and is horizontally arranged on the indoor side of the exterior wall panel 6 . The floor support member 73 is a member for supporting the floor material 72 with respect to the foundation 2, and has a portion 73A placed on the upper surface 2C of the foundation 2. As shown in FIG. The floor support member 73 is made of wood, for example, and is arranged on the indoor side of the lower frame member 13 so as to overlap the lower frame member 13 in the inward and outward directions on the upper surface 2C of the foundation 2. It is positioned below the part that protrudes to the outside from the inner surface 2B of the 2.

床断熱材９２は、床材７２の下面７２Ｂに配置されており、当該床材７２と共に床パネルのユニットを構成している。床断熱材９２は、内側基礎断熱材９４と同様に、例えばポリスチレンフォームやフェノールフォームなどの硬質発泡系断熱材である。図３に示すように、床断熱材９２は、内外方向に第１連結断熱材７４と重なる部分（同じ高さ範囲の部分）を有する。建築物１の施工時においては、床材７２を設置した後、上述した内装パネル７の組付けが行われる。 The floor heat insulating material 92 is arranged on the lower surface 72B of the floor material 72 and constitutes a floor panel unit together with the floor material 72 . The floor insulation 92, like the inner base insulation 94, is a rigid foam insulation such as polystyrene foam or phenolic foam. As shown in FIG. 3, the floor heat insulating material 92 has a portion (a portion in the same height range) that overlaps with the first connecting heat insulating material 74 in the inward and outward directions. During construction of the building 1, after the flooring 72 is installed, the above-described interior panel 7 is assembled.

第２連結断熱材９３は、内側基礎断熱材９４と床断熱材９２との間の隙間に介在している。第２連結断熱材９３は、内側基礎断熱材９４及び床断熱材９２よりも柔軟性が高い軟質断熱材であり、第１連結断熱材７４と同じ素材からなるものでもよい。図３に示すように、第２連結断熱材９３は、床断熱材９２の下面と内側基礎断熱材９４の上面とにより鉛直方向に挟まれており、内外方向に第１連結断熱材７４と重なるように配置されている。 The second connecting heat insulating material 93 is interposed in the gap between the inner basic heat insulating material 94 and the floor heat insulating material 92 . The second connecting heat insulating material 93 is a soft heat insulating material having higher flexibility than the inner basic heat insulating material 94 and the floor heat insulating material 92 , and may be made of the same material as the first connecting heat insulating material 74 . As shown in FIG. 3, the second connecting heat insulating material 93 is vertically sandwiched between the lower surface of the floor insulating material 92 and the upper surface of the inner basic heat insulating material 94, and overlaps the first connecting heat insulating material 74 in the inward and outward directions. are arranged as

第３連結断熱材６８は、基礎２の上面２Ｃに載置されており、図３に示すように、下部フレーム材１３よりも屋内側で且つ床断熱材９２及び床支持部材７３よりも屋外側に配置されている。第３連結断熱材６８は、外側壁断熱材６３と同様に硬質発泡系断熱材からなり、外側繊維系断熱材６４と床断熱材９２との間の隙間に介在している。また第３連結断熱材６８は、内側繊維系断熱材６５にも繋がっている。 The third connecting heat insulating material 68 is placed on the upper surface 2C of the foundation 2, and as shown in FIG. are placed in The third connecting heat insulating material 68 is made of a rigid foam heat insulating material like the outer wall heat insulating material 63 , and is interposed in the gap between the outer fiber heat insulating material 64 and the floor heat insulating material 92 . The third connecting heat insulating material 68 is also connected to the inner fiber heat insulating material 65 .

図３に示すように、建築物１は、土間コンクリート９８と、土間下断熱材１００と、土間上断熱材９５と、水切り固定部材８５と、をさらに備えている。 As shown in FIG. 3 , the building 1 further includes earth floor concrete 98 , under earth floor heat insulation 100 , earth floor heat insulation 95 , and drain fixing member 85 .

土間コンクリート９８は、基礎２よりも屋内側において水平に設けられている。土間コンクリート９８の上下面には、土間上断熱材９５及び土間下断熱材１００がそれぞれ配置されている。土間上断熱材９５は、内側基礎断熱材９４の下面に接触している。 The dirt floor concrete 98 is provided horizontally on the indoor side of the foundation 2 . On the upper and lower surfaces of the earth floor concrete 98, an earth floor heat insulation material 95 and an earth floor heat insulation material 100 are arranged, respectively. The earth floor heat insulating material 95 is in contact with the lower surface of the inner basic heat insulating material 94 .

水切り固定部材８５は、断面視Ｌ字形状の金具であり、基礎２の上部に取り付けられている。具体的に、水切り固定部材８５は、ボルト８５Ａにより基礎２の外面２Ａに取り付けられる部分と、当該部分に対して垂直を成すと共に外側基礎断熱材７１の上面７１Ｃに沿って延びる部分と、を含む。防蟻部材１０１は、Ｌ字状に折り曲げられたメッシュ等の部材であり、基礎２と土間コンクリート９８との突き合せ部分に配置されている。 The drain fixing member 85 is an L-shaped metal fitting when viewed in cross section, and is attached to the upper portion of the foundation 2 . Specifically, the drain fixing member 85 includes a portion attached to the outer surface 2A of the foundation 2 with a bolt 85A, and a portion perpendicular to the portion and extending along the upper surface 71C of the outer foundation heat insulating material 71. . The anti-termite member 101 is a member such as a mesh bent in an L shape, and is arranged at the abutting portion between the foundation 2 and the earth floor concrete 98 .

上記構成を有する建築物１においては、第１連結断熱材７４を設けることにより、基礎２と壁の連結部における断熱構造の連続性が確保されている。すなわち、外側基礎断熱材７１と外側壁断熱材６３とが第１連結断熱材７４を介して繋がっている。ここで、第１連結断熱材７４は、上述した通り、軸組１０の下部フレーム材１３、床支持部材７３及び水切り部材９６に対して内外方向に重なる高さ位置に配置されている。このため、例えば、第１連結断熱材７４を屋内側に厚く形成しようとすると、下部フレーム材１３及び床支持部材７３との干渉が問題となる。一方、第１連結断熱材７４を屋外側に厚く形成しようとすると、水切り部材９６を配置するためのスペースが確保できなくなる。したがって、第１連結断熱材７４のみでは、基礎２と壁の連結部における断熱性能を高めるのが困難になる。 In the building 1 having the above configuration, the continuity of the heat insulating structure is ensured at the connecting portion between the foundation 2 and the wall by providing the first connecting heat insulating material 74 . That is, the outer basic heat insulating material 71 and the outer wall heat insulating material 63 are connected via the first connecting heat insulating material 74 . Here, as described above, the first connecting heat insulating material 74 is arranged at a height position overlapping the lower frame member 13 of the framework 10, the floor support member 73 and the draining member 96 in the inward and outward directions. Therefore, for example, if the first connecting heat insulating material 74 is formed thicker on the indoor side, interference with the lower frame member 13 and the floor support member 73 becomes a problem. On the other hand, if the thickness of the first connecting heat insulating material 74 is formed on the outdoor side, the space for arranging the draining member 96 cannot be secured. Therefore, it is difficult to improve the heat insulating performance at the connecting portion between the foundation 2 and the wall only with the first connecting heat insulating material 74 .

これに対し、本実施形態に係る建築物１は、内外方向に第１連結断熱材７４と重なるように基礎２の内面２Ｂ側に配置された内側断熱材１００を備えている。図３に示すように、本実施形態における内側断熱材１００は、内側基礎断熱材９４、床断熱材９２及び第２連結断熱材９３の一部により構成されており、具体的には、内側基礎断熱材９４の上部（第１連結断熱材７４の下面に相当する高さ位置よりも上側部分）と、床断熱材９２の下部（第１連結断熱材７４の上面に相当する高さ位置よりも下側部分）と、第２連結断熱材９３の全体と、により構成されている。つまり、内側断熱材１００は、第１連結断熱材７４と同じ高さ範囲に配置されている。これにより、第１連結断熱材７４を内外方向に厚くできないことに起因する断熱性能の低下を、内側断熱材１００を配置することにより補うことができる。したがって、本実施形態に係る建築物１によれば、基礎２と壁の連結部における断熱性能を高めることができる。また外側繊維系断熱材６４と床断熱材９２との間の隙間に第３連結断熱材６８が介在することにより、建築物１の屋内側においても基礎２と壁との連結部における断熱構造の連続性を確保し、断熱性能をより高めることができる。 On the other hand, the building 1 according to this embodiment includes the inner heat insulating material 100 arranged on the inner surface 2B side of the foundation 2 so as to overlap the first connecting heat insulating material 74 in the inside-outside direction. As shown in FIG. 3, the inner heat insulating material 100 in this embodiment is composed of part of the inner base heat insulating material 94, the floor heat insulating material 92, and the second connecting heat insulating material 93. The upper part of the heat insulating material 94 (above the height position corresponding to the lower surface of the first connecting heat insulating material 74) and the lower part of the floor heat insulating material 92 (above the height position corresponding to the upper surface of the first connecting heat insulating material 74) lower part) and the entirety of the second connecting heat insulating material 93 . That is, the inner heat insulating material 100 is arranged in the same height range as the first connecting heat insulating material 74 . Thus, the inner heat insulating material 100 can compensate for the deterioration of the heat insulating performance due to the fact that the first connecting heat insulating material 74 cannot be thickened in the inner and outer directions. Therefore, according to the building 1 according to the present embodiment, it is possible to improve the heat insulating performance at the connecting portion between the foundation 2 and the wall. In addition, by interposing the third connecting heat insulating material 68 in the gap between the outer fiber heat insulating material 64 and the floor heat insulating material 92, even on the indoor side of the building 1, the heat insulating structure at the connection portion between the foundation 2 and the wall is improved. Continuity can be secured and the heat insulation performance can be further improved.

ここで、本発明のその他実施形態について説明する。 Other embodiments of the invention will now be described.

本発明の建築物は、鉄骨軸組構造のものに限定されず、木造軸組構造のものであってもよいし、２×４（ツーバイフォー）工法の建築物にも適用することができる。また本発明の建築物は、住宅にも限定されず、他の種類の建築物にも適用可能である。 The building of the present invention is not limited to a steel frame structure, but may be of a wooden frame structure, and can also be applied to a building of a 2x4 (two-by-four) construction method. Also, the building of the present invention is not limited to houses, but can be applied to other types of buildings.

本発明の建築物において、水切り部材は必須の構成要素ではなく、省略されてもよい。また通気路Ｓ１が省略されてもよい。 In the building of the present invention, the draining member is not an essential component and may be omitted. Also, the ventilation path S1 may be omitted.

第１連結断熱材７４は、外側壁断熱材６３及び外側基礎断熱材７１よりも柔軟性が高い材料からなる場合に限定されず、外側壁断熱材６３及び外側基礎断熱材７１と同じ素材のものが用いられてもよい。また第２連結断熱材９３は、内側基礎断熱材９４及び床断熱材９２よりも柔軟性が高い材料からなる場合に限定されず、内側基礎断熱材９４及び床断熱材９２と同じ素材のものが用いられてもよい。 The first connecting heat insulating material 74 is not limited to a material having higher flexibility than the outer wall heat insulating material 63 and the outer basic heat insulating material 71, and is made of the same material as the outer wall heat insulating material 63 and the outer basic heat insulating material 71. may be used. In addition, the second connecting heat insulating material 93 is not limited to being made of a material having higher flexibility than the inner basic heat insulating material 94 and the floor heat insulating material 92, and may be made of the same material as the inner basic heat insulating material 94 and the floor heat insulating material 92. may be used.

本実施形態では、内側断熱材１００が床断熱材９２と、第２連結断熱材９３と、内側基礎断熱材９４とにより構成される場合について説明したがこれに限定されず、単一の断熱材により構成されていてもよい。 In the present embodiment, the case where the inner heat insulating material 100 is composed of the floor heat insulating material 92, the second connecting heat insulating material 93, and the inner basic heat insulating material 94 has been described, but the present invention is not limited to this, and a single heat insulating material It may be configured by

本発明の建築物において、水切り固定部材８５及び防蟻部材１０１は必須の構成要素ではなく、省略されてもよい。 In the building of the present invention, the drain fixing member 85 and the anti-termite member 101 are not essential components and may be omitted.

今回開示された実施形態は、全ての点で例示であって、制限的なものではないと解されるべきである。本発明の範囲は、上記した説明ではなくて特許請求の範囲により示され、特許請求の範囲と均等の意味及び範囲内での全ての変更が含まれることが意図される。 It should be understood that the embodiments disclosed this time are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the scope of the claims rather than the above description, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

１ 建築物
２ 基礎
２Ａ 外面
２Ｂ 内面
２Ｃ 上面
６ 外壁パネル
１０ 軸組
１３ 下部フレーム材
２０ 外壁
２０Ｃ 外面
６３ 外側壁断熱材
７１ 外側基礎断熱材
７２ 床材
７３ 床支持部材
７４ 第１連結断熱材
９２ 床断熱材
９３ 第２連結断熱材
９４ 内側基礎断熱材
９６ 水切り部材
１００ 内側断熱材
Ｓ１ 通気路 Reference Signs List 1 building 2 foundation 2A outer surface 2B inner surface 2C upper surface 6 outer wall panel 10 framework 13 lower frame material 20 outer wall 20C outer surface 63 outer wall heat insulating material 71 outer basic heat insulating material 72 floor material 73 floor supporting member 74 first connecting heat insulating material 92 floor Heat Insulating Material 93 Second Connection Insulating Material 94 Inner Basic Insulating Material 96 Draining Member 100 Inner Insulating Material S1 Ventilation Path

Claims (7)

建築物であって、
鉛直方向に立ち上がり、前記建築物の屋外側を向く外面と、前記建築物の屋内側を向く内面と、を含む基礎と、
前記基礎に連結された外壁パネルであって、前記基礎の上面に載置された下部フレーム材を含む軸組と、前記軸組よりも屋外側に配置された外側壁断熱材と、前記外側壁断熱材よりも屋外側に配置されると共に前記軸組に支持された外壁と、を含む前記外壁パネルと、
前記基礎の外面に配置された外側基礎断熱材と、
前記外壁パネルよりも屋内側に配置された床材と、
前記床材を前記基礎に対して支持するための部材であって、前記基礎の上面に載置される部分を有し、前記建築物の内外方向に前記下部フレーム材と重なるように配置された床支持部材と、
前記外側壁断熱材と前記外側基礎断熱材との間の鉛直方向の隙間に介在する断熱材であって、前記内外方向に前記下部フレーム材及び前記床支持部材と重なるように配置された第１連結断熱材と、
前記内外方向に前記第１連結断熱材と重なるように、前記基礎の内面側に配置された内側断熱材と、を備えた、建築物。 is a building,
a foundation that rises vertically and includes an outer surface facing the exterior of the building and an inner surface facing the interior of the building;
An outer wall panel connected to the foundation, comprising a framework including a lower frame member placed on the upper surface of the foundation, an outer wall heat insulating material disposed outside the framework, and the outer wall the outer wall panel including an outer wall arranged on the outdoor side of the heat insulating material and supported by the framework;
outer foundation insulation disposed on the outer surface of the foundation;
a floor material arranged on the indoor side of the outer wall panel;
A member for supporting the floor material with respect to the foundation, which has a portion placed on the upper surface of the foundation, and is arranged so as to overlap with the lower frame material in the inside and outside directions of the building. a floor support member;
A first heat insulating material interposed in a vertical gap between the outer wall heat insulating material and the outer base heat insulating material, the first heat insulating material being disposed so as to overlap the lower frame member and the floor support member in the inward and outward direction. connecting insulation;
and an inner heat insulating material arranged on the inner surface side of the foundation so as to overlap with the first connecting heat insulating material in the inner and outer directions. 前記外壁と前記外側壁断熱材との間には、鉛直方向に延びる通気路が設けられており、
前記第１連結断熱材は、前記通気路の下部を外部空間に開放するように前記通気路よりも屋内側に配置されている、請求項１に記載の建築物。 A ventilation path extending in a vertical direction is provided between the outer wall and the outer wall heat insulating material,
2. The building according to claim 1, wherein said first connecting heat insulating material is arranged on the indoor side of said ventilation path so as to open the lower part of said ventilation path to the outside space. 前記外壁の下方に配置されると共に前記外壁の外面を伝って流れ落ちる水を屋外側に案内する部材であって、前記内外方向に前記第１連結断熱材と重なるように前記第１連結断熱材よりも屋外側に配置された水切り部材をさらに備えた、請求項１又は２に記載の建築物。 A member that is arranged below the outer wall and guides water flowing down along the outer surface of the outer wall to the outside, and is arranged from the first connecting heat insulating material so as to overlap the first connecting heat insulating material in the inward and outward direction. 3. The building according to claim 1 or 2, further comprising a draining member arranged on the outdoor side. 前記第１連結断熱材は、前記外側壁断熱材及び前記外側基礎断熱材よりも柔軟性が高い材料からなる、請求項１～３のいずれか１項に記載の建築物。 The building according to any one of claims 1 to 3, wherein the first connecting heat insulating material is made of a material having higher flexibility than the outer wall heat insulating material and the outer foundation heat insulating material. 前記基礎の内面に配置された内側基礎断熱材と、
前記床材の下面に配置された床断熱材と、
前記内側基礎断熱材と前記床断熱材との間の隙間に介在する第２連結断熱材と、を含み、
前記内側基礎断熱材、前記床断熱材及び前記第２連結断熱材の一部が前記内側断熱材を構成している、請求項１～４のいずれか１項に記載の建築物。 inner base insulation disposed on the inner surface of the base;
a floor insulating material arranged on the lower surface of the floor material;
a second connecting heat insulating material interposed in a gap between the inner basic heat insulating material and the floor heat insulating material;
The building according to any one of claims 1 to 4, wherein a part of said inner basic heat insulating material, said floor insulating material and said second connecting heat insulating material constitute said inner heat insulating material. 前記第２連結断熱材は、前記内側基礎断熱材及び前記床断熱材よりも柔軟性が高い材料からなる、請求項５に記載の建築物。 6. The building of claim 5, wherein said second connecting insulation is made of a material that is more flexible than said inner base insulation and said floor insulation. 前記外壁パネルの断熱材と前記床断熱材との間の隙間に介在する第３連結断熱材をさらに備えた、請求項５又は６に記載の建築物。 The building according to claim 5 or 6, further comprising a third connecting heat insulating material interposed between the heat insulating material of the outer wall panel and the floor insulating material.
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JP2004076353A (en) 2002-08-14 2004-03-11 Sekisui House Ltd Heat insulation air-tight structure
JP2009002046A (en) 2007-06-21 2009-01-08 Tesuku:Kk Outside heat insulation structure for wooden building
JP2016216897A (en) 2015-05-14 2016-12-22 トヨタホーム株式会社 Thermal insulation structure of building

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JP3199573B2 (en) * 1994-06-08 2001-08-20 積水ハウス株式会社 Supporting device for building outer wall members
JP3641038B2 (en) * 1994-11-16 2005-04-20 大和ハウス工業株式会社 Outside heat insulation foundation structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004076353A (en) 2002-08-14 2004-03-11 Sekisui House Ltd Heat insulation air-tight structure
JP2009002046A (en) 2007-06-21 2009-01-08 Tesuku:Kk Outside heat insulation structure for wooden building
JP2016216897A (en) 2015-05-14 2016-12-22 トヨタホーム株式会社 Thermal insulation structure of building

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