JP4878090B2 - Wall floor joint structure - Google Patents

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JP4878090B2
JP4878090B2 JP2001186836A JP2001186836A JP4878090B2 JP 4878090 B2 JP4878090 B2 JP 4878090B2 JP 2001186836 A JP2001186836 A JP 2001186836A JP 2001186836 A JP2001186836 A JP 2001186836A JP 4878090 B2 JP4878090 B2 JP 4878090B2
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panel
wall
floor
fire
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JP2003003589A (en
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早苗 中田
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Misawa Homes Co Ltd
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Description

【０００１】
【発明の属する技術分野】
本発明は、工業化住宅の壁床接合構造に関する。
【０００２】
【背景の技術】
工業化住宅等の建築物において、天井を施工する技術の一例として、特開平７−１８０２６６号公報に記載されている技術が知られている。この技術では、図３に示すように、平行に並設された複数の横木２１０の下面に、この横木２１０と直交する方向で複数の野縁２３０を固定し、この野縁２３０の下面に石膏ボード２５０を取り付け、さらに、水平片と垂直片からなる断面形状がＴ字形のブラケット４１０を、水平片の一側面が横木２１０の上面に固定されるとともに、垂直片の一方の面が横木２１０の端面に固定されるようにそれぞれの横木２１０の端部に亘って固定し、横木２１０の端面に直交方向で突出したブラケット４１０の水平片の他端側を下階外壁パネル３３０の上端面に載置して取り付けることで、天井を施工し、この天井の石膏ボード２５０によって、天井裏への延焼を防止するような防火をとっている。
【０００３】
また、前記公報の技術では、前記垂直片の先端に石膏ボード２５０の下面と平行に折り曲げた鍔部４１０ａを形成し、該鍔部４１０ａの先端に断面形状がコ字形の廻り縁４３０を下階外壁パネル３３０に当接することで、外壁パネル３３０と石膏ボード２５０との間の隙間を塞いで、この隙間に対して防火をとっている。
【０００４】
【発明が解決しようとする課題】
しかしながら、前記公報記載の技術では、複数の横木２１０を平行に並設し、該横木２１０の下面に、複数の野縁２３０をこの横木２１０と直交する方向で固定し、該野縁２３０の下面に石膏ボード２５０を取り付け、さらに、ブラケット４１０を横木２１０に固定し、このブラケット４１０を外壁パネル３３０の上端面に載置することにより、天井を施工しているので、その施工作業に手間がかかり、結果として、天井の石膏ボード２５０によって防火をとるのに手間がかかっていた。
【０００５】
さらに、前記ブラケット４１０の鍔部４１０ａの先端に、前記廻り縁４３０を外壁パネル３３０に当接することで、外壁パネル３３０と石膏ボード２５０との隙間を塞いで、この隙間に対して防火をとっていたので、構成部材数が多くなり、床パネルと壁パネルとの入隅部を施工するのに手間がかかっていた。
【０００６】
上記事情に鑑み、本発明の課題は、壁パネルの入隅部に対する防火を容易にとることができる壁床接合構造を提供することである。
【課題を解決するための手段】
以上の課題を解決するため、請求項１記載の発明は、例えば、図１に示すように、床パネル１の下面に予め耐火板２ａを、床パネル１の下面のうち壁パネル３ａ、３ｂによって支持される部位より内側に取り付けた耐火板付き床パネル１０と、壁パネル３ａ、３ｂに耐火板２ｂ１、２ｂ２を取り付けた耐火板付き壁パネル３０ａ、３０ｂとの壁床接合構造であって、
前記壁パネル３ａ、３ｂの上端面によって前記床パネル１が支持されており、前記耐火板付き床パネル１０の耐火板２ａが前記耐火板付き壁パネル３０ａ、３０ｂの耐火板に当接され、
前記耐火板付き壁パネル３０ａの下端部には、耐火板２ｂ１が取り付けられていない領域が設けられており、この領域は前記耐火板付き壁パネル３０ａを下方の躯体５に固定した後に、前記耐火板付き床パネル１の耐火板２ａと当接される前記耐火板付き壁パネル３０ａの耐火板２ｂ１の下に現場で後付け耐火板２ｃが取り付けられる領域であることを特徴とする。
【０００７】
請求項１記載の発明によれば、壁パネル３ａ、３ｂによって支持される部位より内側に、予め耐火板２ａが取り付けられた床パネル１を、壁パネル３ａ、３ｂで支持することによって、天井を施工することなく、耐火板２ａによって容易に防火をとることができる。すなわち、前記公報の技術においては、ブラケット４１０、横木２１０および野縁２３０などを使用して天井を施工しているので、この施工に手間がかかっていたが、請求項１の発明では床パネル１を壁パネル３ａ、３ｂに支持させるだけで、耐火板２ａによって容易に防火をとることができる。
また、前記耐火板付き床パネル１０の耐火板２ａが前記耐火板付き壁パネル３０ａ、３０ｂの耐火板２ｂ１、２ｂ２に当接されているので、天井を施工することなく、床パネル１と壁パネル３ａ、３ｂとの入隅部での防火を容易かつ確実にとることができる。
更に、前記耐火板付き壁パネル３０ａの下端部には、現場で後付け耐火板２ｃが取り付けられる領域が設けられているので、前記耐火板付き壁パネル３０ａが外壁となる場合、前記耐火板付き壁パネル３０ａの屋外側に外装材７などが取り付けられた状態で、前記領域からスクリュー釘Ａなどで該耐火板付き壁パネル３０ａを下方の躯体５に固定することができる。
そして、前記耐火板付き壁パネル３０ａを下方の躯体５に固定した後に、前記領域に後付け耐火板２ｃを取り付けることで、前記耐火板付き壁パネル３０ａの内面側が前記耐火板２ｂ１と後付け耐火板２ｃとで覆われるので、耐火板付き壁パネル３０ａの防火を容易にとることができる。
【０００８】
請求項３記載の発明は、例えば、図１に示すように、請求項１または２記載の壁床接合構造において、
床パネル１の下面には、前記耐火板２ａの辺に沿って長尺な桟材４がその下面を、床パネル１の下面と面一になるように取り付けられており、この桟材４の下面には、耐火板２ａが取り付けられていることを特徴とする。
【０００９】
請求項３記載の発明によれば、床パネル１の下面に桟材４が取り付けられており、この桟材４に耐火板２ａが取り付けられているので、床パネル１の下面に面材などがなくても、容易に耐火板２ａを取り付けることができる。
【００１０】
また、桟材４の下面が床パネル１の下面と面一であり、該桟材４の下面に耐火板２ａが取り付けられているので、この耐火板２ａは床パネル１の下面から突出することになる。したがって、壁パネル３ａ、３ｂの上端面に床パネル１の下面を載置して、該床パネル１を支持した場合に、壁パネル３ａ、３ｂの上端より下方に前記耐火板２ａが配置されるので、この耐火板２ａに、壁パネル３ａ、３ｂに取り付けられる耐火板２ｂ１、２ｂ２を当接することで、床パネル１と壁パネル３ａ、３ｂとの入隅部での防火を容易かつ確実にとることができる。
【００１３】
請求項２記載の発明は、請求項１記載の壁床接合構造において、
前記耐火板付き床パネル１０の耐火板２ａの端部表面が、前記耐火板付き壁パネル３０ａ、３０ｂの耐火板２ｂ１、２ｂ２の上端面に当接されていることを特徴とする。
【００１４】
請求項２記載の発明によれば、前記耐火板２ａの端部表面が、前記耐火板２ｂ１、２ｂ２の上端面に当接されているので、前記耐火板付き床パネル１０を前記耐火板付き壁パネル３０ａ、３０ｂの上端面に上方から取り付けることで、前記耐火板付き床パネル１０と前記耐火板付き壁パネル３０ａ、３０ｂの入隅部での防火を容易かつ確実にとることができる。また、このようにして入隅部で耐火板２ａ、２ｂ１、２ｂ２が接合されるので、該入隅部での凹凸部が形成されないため、該入隅部での外観を良好にできる。
【００１８】
【発明の実施の形態】
以下、図１および図２を参照して本発明の実施の形態を詳細に説明する。
本発明の壁床接合構造は、パネル工法により構築される建築物の各部屋において適用されるものであるが、本実施の形態では、浴室構造に本発明を適用した場合について説明する。
【００１９】
なお、パネル工法とは、壁や床、屋根などの構成要素を予め工場でパネル化し、施工現場でパネルを組み立てて建築物を構築する施工方法である。パネル工法に用いられるパネルは、主に木質パネルであり、縦横の框材を矩形状に組み立てるとともに、矩形枠の内部に補助棧材を縦横に組み付け、框材と補助棧材との両面もしくは片面に、面材を貼設したものである。
【００２０】
まず、浴室１５の構造について説明する。
浴室１５は、住宅の外壁を成す外壁パネル３０ａ（耐火板付き壁パネル）と、住宅内部を間仕切る内壁パネル３０ｂ（耐火板付き壁パネル）とから壁が形成されており、前記外壁パネル３０ａおよび内壁パネル３０ｂの上端部に配置される上階の床パネル１０（耐火板付き床パネル）によって覆われている。そして、この浴室１５には、図示は省略するが、例えば浴槽、シャワー、洗い場、壁、天井、換気口等が一体化された略箱型状のバスユニットが設けられている。
【００２１】
前記上階の床パネル１０は、前記パネルのうち床用に形成された床パネル１に対して、該床パネル１の下面に予め耐火板２ａを、該床パネル１の下面のうち壁パネル３ａ、３ｂよって支持される部位より内側に取り付けられたものである。該床パネル１の下面には、前記耐火板２ａの辺に沿って長尺な桟材４がその下面を、床パネル１の下面と面一になるように取り付けられており、この桟材４の下面には、耐火板２ａが取り付けられている。
【００２２】
前記耐火板２ａは、扁平な板状部材であって、石膏ボードで形成されている。
【００２３】
前記外壁パネル３０ａは、前記パネルのうち壁用に形成された壁パネル３ａに対して、一方の面（屋外側）に、防火性、断熱性、遮音性を有する外装材７（例えば、サイディングなど）が取り付けられ、他方の面（浴室１の壁面を成す面）に、耐火性を有する耐火板２ｂ１が取り付けられたものである。なお、前記他方の面の下端部には、耐火板２ｂ１が取り付けられていない領域が設けられている。
【００２４】
前記耐火板２ｂ１は、扁平な板状の部材であって、前記外壁パネル３０ａの下端部の耐火板２ｂ１が取り付けられていない領域の上端から、上端が該外壁パネル３０ａの上端部より前記耐火板２ａの厚さ分だけ低くなる位置まで取り付けられたものである。ここで、耐火板２ｂ１は、石膏ボードで形成されている。また、前記外壁パネル３０ａの下端部の耐火板２ｂ１が取り付けられていない領域には、後付け耐火板２ｃが取り付けられる。
【００２５】
前記後付け耐火板２ｃは、前記耐火板２ｂ１と同様に扁平な板状部材であって、前記外壁パネル３０ａを下方の躯体５に固定した後に、現場で耐火板２ｂ１が取り付けられていない領域に取り付けられるものである。ここで、耐火板２ｃは、石膏ボードで形成されている。
【００２６】
前記内壁パネル３０ｂは、前記外壁パネル３０ａと同様に壁用に形成された壁パネル３ｂに対して、少なくとも一方の面に（浴室１の壁面を成す面）に、耐火板２ｂ２が取り付けられたものである。
【００２７】
前記耐火板２ｂ２は、扁平な板状の部材であって、前記内壁パネル３０ｂの下端部から上端が該内壁パネル３０ｂの上端部より前記耐火板２ａの厚さ分だけ低くなる位置まで取り付けられたものである。ここで、耐火板２ｂ２は、石膏ボードで形成されている。
【００２８】
つぎに、上階の床パネル１０と外壁パネル３０ａおよび内壁パネル３０ｂとの壁床接合構造について説明する。
【００２９】
互いに隣接する外壁パネル３０ａと内壁パネル３０ｂとの接合面には、接着剤が塗布されており、この接着剤によって両者が接着されている。前記外壁パネル３０ａと内壁パネル３０ｂとは、さらにスクリュー釘Ｂによっても接合固定されている。また、前記外壁パネル３０ａと内壁パネル３０ｂの下端面には、接着剤が塗布されており、この接着剤によって下方の躯体５と接着されている。前記外壁パネル３０ａおよび内壁パネル３０ｂと、前記下方の躯体５とは、さらにスクリュー釘Ａによっても接合固定されている。
【００３０】
また、前記外壁パネル３０ａおよび内壁パネル３０ｂの上端面には、接着剤が塗布されており、この接着剤によって前記上階の床パネル１０が接着されている。さらに、前記外壁パネル３０ａおよび内壁パネル３０ｂと、前記上階の床パネル１０とは、さらにスクリュー釘Ｃによっても接合固定されている。
【００３１】
また、前記壁パネル３ａ、３ｂの上端面によって前記床パネル１が支持されており、前記上階の床パネル１０の耐火板２ａの端部表面が、前記外壁パネル３０ａおよび内壁パネル３０ｂの耐火板２ｂ１、２ｂ２の上端面に当接されている。
【００３２】
前記耐火板２ｂ１が取り付けていない領域には、前記外壁パネル３０ａと内壁パネル３０ｂとを設置し、外壁パネル３０ａと内壁パネル３０ｂとをスクリュー釘ａや図示しないアンカーボルトによって躯体５に固定した後に、後付け耐火板２ｃが取り付けられる。
なお、前記後付け耐火板２ｃは、前記上階の床パネル１０を前記外壁パネル３０ａと内壁パネル３０ｂとの上端面に設置した後、前記耐火板２ｂ１が取り付けていない領域に、取り付けられても良い。
【００３３】
以上のように、本実施の形態によれば、以下のような効果が得られる。
▲１▼前記壁パネル３ａ、３ｂによって支持される部位より内側に、予め耐火板２ａが取り付けられた床パネル１を、壁パネル３ａ、３ｂに支持されることによって、天井を施工することなく、耐火板２ａによって容易に防火をとることができる。すなわち、従来の技術においては、ブラケット４１０、横木２１０および野縁２３０などを使用して天井を施工しているので、この施工に手間がかかっていたが、本実施の形態の発明では床パネル１を壁パネル３ａ、３ｂに支持させるだけで、耐火板２ａによって容易に防火をとることができる。
【００３４】
▲２▼床パネル１の下面に桟材４が取り付けられており、この桟材４に耐火板２ａが取り付けられているので、床パネル１の下面に面材などがなくても、容易に耐火板２ａを取り付けることができる。
【００３５】
▲３▼桟材４の下面が床パネル１の下面と面一であり、該桟材４の下面に耐火板２ａが取り付けられているので、この耐火板２ａは床パネル１の下面から突出することになる。したがって、壁パネル３ａ、３ｂの上端面に床パネル１の下面を載置して、該床パネル１を支持した場合に、壁パネル３ａ、３ｂの上端より下方に前記耐火板２ａが配置されるので、この耐火板２ａに、壁パネル３ａ、３ｂに取り付けられる耐火板２ｂ１、２ｂ２を当接することで、床パネル１と壁パネル３ａ、３ｂとの入隅部での防火を容易かつ確実にとることができる。
【００３６】
▲４▼前記上階の床パネル１０の耐火板２ａの端部表面が、前記外壁パネル３０ａおよび内壁パネル３０ｂの耐火板２ｂ１、２ｂ２の上端面に当接されているので、前記上階の床パネル１０を前記外壁パネル３０ａおよび内壁パネル３０ｂの上端面に上方から取り付けることで、天井を施工することなく、前記上階の床パネル１０と前記外壁パネル３０ａおよび内壁パネル３０ｂとの入隅部での防火を容易かつ確実にとることができる。
【００３７】
また、このようにして入隅部で耐火板２ａ、２ｂ１、２ｂ２が接合されるので、該入隅部での凹凸部が形成されないため、該入隅部での外観を良好にできる。
【００３８】
▲５▼前記外壁パネル３０ａの下端部には、現場で後付け耐火板２ｃが取り付けられる領域が設けられているので、前記外壁パネル３０ａの屋外側に外装材７などが取り付けられた状態で、前記領域からスクリュー釘Ａなどで該外壁パネル３０ａを下方の躯体５に固定することができる。
【００３９】
そして、前記外壁パネル３０ａを下方の躯体５に固定した後に、前記領域に後付け耐火板２ｃを取り付けることで、前記外壁パネル３０ａの防火を容易にとることができる。
【発明の効果】
【００４０】
請求項１記載の発明によれば、壁パネルによって支持される部位より内側に、予め耐火板が取り付けられた床パネルを壁パネルで支持することによって、天井を施工することなく、耐火板によって容易に防火をとることができる。すなわち、請求項１の発明では床パネルを壁パネルに支持させるだけで、耐火板によって容易に防火をとることができる。
また、前記耐火板付き床パネルの耐火板が前記耐火板付き壁パネルの耐火板に当接されているので、天井を施工することなく、床パネルと壁パネルの入隅部での防火を容易かつ確実にとることができる。
更に、前記耐火板付き壁パネルの下端部には、現場で後付け耐火板が取り付けられる領域が設けられているので、前記耐火板付き壁パネルが外壁となる場合、前記耐火板付き壁パネルの屋外側に外装材などが取り付けられた状態で、前記領域からスクリュー釘などで該耐火板付き壁パネルを下方の躯体に固定することができる。
そして、前記耐火板付き壁パネルを下方の躯体に固定したのちに前記領域に後付け耐火板を取り付けることで、前記耐火板付き壁パネルの防火を容易にとることができる。
【００４１】
請求項３記載の発明によれば、請求項１または請求項２と同様の効果が得られることは勿論のこと、床パネルの下面に桟材が取り付けられており、この桟材に耐火板が取り付けられているので、床パネルの下面に面材などがなくても、容易に耐火板を取り付けることができる。
【００４２】
また、桟材の下面が床パネルの下面と面一であり、該桟材の下面に耐火板が取り付けられているので、壁パネルの上端面に床パネルの下面を載置して、該床パネルを支持した場合に、壁パネルの上端より下方に前記耐火板が配置されるので、この耐火板に、壁パネルに取り付けられる耐火板を当接することで、床パネルと壁パネルの入隅部での防火を容易かつ確実にとることができる。
【００４４】
請求項２記載の発明によれば、請求項１と同様の効果が得られることは勿論のこと、前記耐火板の端部表面が、前記耐火板の上端面に当接されているので、前記耐火板付き床パネルを前記耐火板付き壁パネルの上端面に上方から取り付けることで、前記耐火板付き床パネルと前記耐火板付き壁パネルの入隅部での防火を容易かつ確実にとることができる。また、このようにして入隅部で耐火板が接合されるので、該入隅部の外観を良好にできる。
【図面の簡単な説明】
【図１】本発明の実施の形態の一例を示すもので、浴室の縦断面図である。
【図２】同、浴室の平断面図である。
【図３】従来の壁床構造の縦断面図である。
【符号の説明】
１ 床パネル
２ａ、２ｂ１、２ｂ２ 耐火板
２ｃ 後付け耐火板
３ａ、３ｂ 壁パネル
４ 桟材
５ 躯体
１０ 耐火板付き床パネル
３０ａ、３０ｂ 耐火板付き壁パネル[0001]
BACKGROUND OF THE INVENTION
The present invention also relates to the wall floor junction structure of industrialized housing.
[0002]
[Background technology]
As an example of a technique for constructing a ceiling in a building such as an industrialized house, a technique described in Japanese Patent Application Laid-Open No. 7-180266 is known. In this technique, as shown in FIG. 3, a plurality of field edges 230 are fixed to the lower surfaces of a plurality of rungs 210 arranged in parallel in a direction perpendicular to the rungs 210, and a gypsum is placed on the lower surface of the field edges 230. A board 250 is mounted, and a bracket 410 having a T-shaped cross section composed of a horizontal piece and a vertical piece is fixed. One side of the horizontal piece is fixed to the upper surface of the crosspiece 210, and one side of the vertical piece is the crosspiece 210 of the crosspiece 210. The other end of the horizontal piece of the bracket 410 projecting in the orthogonal direction to the end face of the crosspiece 210 is mounted on the upper end face of the lower floor outer wall panel 330 so as to be fixed to the end face. The ceiling is installed and installed, and the ceiling gypsum board 250 is used to prevent fire from spreading to the back of the ceiling.
[0003]
Further, according to the technique of the above publication, a hook portion 410a bent in parallel with the lower surface of the gypsum board 250 is formed at the tip of the vertical piece, and a peripheral edge 430 having a U-shaped cross section is formed at the tip of the hook portion 410a. By contacting the outer wall panel 330, the gap between the outer wall panel 330 and the gypsum board 250 is closed, and the gap is protected from fire.
[0004]
[Problems to be solved by the invention]
However, in the technique described in the above publication, a plurality of rungs 210 are juxtaposed in parallel, and a plurality of field edges 230 are fixed to a lower surface of the rung 210 in a direction orthogonal to the rung 210, and a lower surface of the field edges 230 Since the gypsum board 250 is attached to the ceiling and the ceiling is constructed by fixing the bracket 410 to the crosspiece 210 and placing the bracket 410 on the upper end surface of the outer wall panel 330, it takes time and effort. As a result, it took time and effort to take fire prevention by the gypsum board 250 on the ceiling.
[0005]
Further, the peripheral edge 430 is brought into contact with the outer wall panel 330 at the front end of the flange portion 410a of the bracket 410, so that the gap between the outer wall panel 330 and the gypsum board 250 is closed and the gap is protected against fire. Therefore, the number of constituent members has increased, and it has been time-consuming to construct the corners between the floor panel and the wall panel.
[0006]
In view of the above circumstances, an object of the present invention is to provide a wall bed joint structure can take facilitate fire against the inner corner of the wall panel.
[Means for Solving the Problems]
In order to solve the above problems, the invention according to claim 1 is, for example, as shown in FIG. 1, a fireproof plate 2 a is previously provided on the lower surface of the floor panel 1, and wall panels 3 a and 3 b are provided on the lower surface of the floor panel 1. It is a wall floor joint structure of a floor panel 10 with a fireproof plate attached to the inner side of a supported part and wall panels 30a, 30b with a fireproof plate in which fireproof plates 2b1, 2b2 are attached to the wall panels 3a, 3b,
The floor panel 1 is supported by the upper end surfaces of the wall panels 3a and 3b, the fire plate 2a of the floor panel 10 with the fire plate is brought into contact with the fire plates of the wall panels 30a and 30b with the fire plate,
A region where the fireproof plate 2b1 is not attached is provided at a lower end portion of the wall panel 30a with the fireproof plate, and this region is fixed to the lower casing 5 after the wall panel 30a with the fireproof plate is fixed. The fireproof plate 2c is a region where the post-installed fireproof plate 2c is attached in the field under the fireproof plate 2b1 of the wall panel 30a with the fireproof plate, which is in contact with the fireproof plate 2a of the floor panel 1 with a plate.
[0007]
According to the first aspect of the present invention, the floor panel 1 to which the fireproof plate 2a is attached in advance from the portion supported by the wall panels 3a and 3b is supported by the wall panels 3a and 3b, thereby the ceiling. Fire protection can be easily taken by the fireproof plate 2a without construction. That is, in the technique of the above publication, since the ceiling is constructed using the bracket 410, the crosspiece 210, the field edge 230, and the like, this construction takes time, but in the invention of claim 1, the floor panel 1 Can be easily protected by the fire-resistant plate 2a simply by being supported by the wall panels 3a and 3b.
Moreover, since the fire-resistant plate 2a of the floor panel 10 with the fire-resistant plate is in contact with the fire-resistant plates 2b1, 2b2 of the wall panels 30a, 30b with the fire-resistant plate, the floor panel 1 and the wall panel can be constructed without installing a ceiling. It is possible to easily and surely prevent fire at the corners with 3a and 3b.
Furthermore, since the area | region where the retrofitted fire-resistant board 2c is attached in the field is provided in the lower end part of the wall panel 30a with a fire-resistant board, when the wall panel 30a with a fire-resistant board becomes an outer wall, the wall with a fire-resistant board With the exterior material 7 and the like attached to the outdoor side of the panel 30a, the wall panel 30a with a fireproof plate can be fixed to the lower casing 5 with the screw nails A or the like from the region.
And after fixing the said wall panel 30a with a fireproof board to the lower housing | casing 5, by attaching the post-installation fireproof board 2c to the said area | region, the inner surface side of the said wall panel 30a with a fireproof board is the said fireproof board 2b1 and the retrofit fireproof board 2c. Therefore, the fire protection of the wall panel 30a with a fireproof plate can be easily taken.
[0008]
The invention according to claim 3 is, for example, as shown in FIG. 1, in the wall-floor joint structure according to claim 1 or 2 ,
On the lower surface of the floor panel 1, a long frame member 4 is attached along the side of the fireproof plate 2 a so that the lower surface thereof is flush with the lower surface of the floor panel 1. A fireproof plate 2a is attached to the lower surface.
[0009]
According to the third aspect of the present invention, the crosspiece 4 is attached to the lower surface of the floor panel 1, and the fireproof plate 2 a is attached to the crosspiece 4. Even if it is not, the fireproof plate 2a can be easily attached.
[0010]
Moreover, since the lower surface of the crosspiece 4 is flush with the lower surface of the floor panel 1 and the fireproof plate 2a is attached to the lower surface of the crosspiece 4, the fireproof plate 2a protrudes from the lower surface of the floor panel 1. become. Accordingly, when the lower surface of the floor panel 1 is placed on the upper end surfaces of the wall panels 3a and 3b and the floor panel 1 is supported, the fireproof plate 2a is disposed below the upper ends of the wall panels 3a and 3b. Therefore, by making the fireproof plates 2b1 and 2b2 attached to the wall panels 3a and 3b abut on the fireproof plate 2a, fire prevention at the corners between the floor panel 1 and the wall panels 3a and 3b can be easily and reliably taken. be able to.
[0013]
The invention according to claim 2 is the wall-to-floor joint structure according to claim 1 ,
The end surface of the fireproof plate 2a of the floor panel 10 with the fireproof plate is in contact with the upper end surfaces of the fireproof plates 2b1 and 2b2 of the wall panels 30a and 30b with the fireproof plate.
[0014]
According to the invention of Claim 2, end surfaces of the refractory plate 2a is because they are in contact with the upper end face of the refractory plate 2b1 and 2b2, a the refractory plate with the floor panel 10 wherein the refractory plate with the wall By attaching to the upper end surface of panel 30a, 30b from upper direction, the fire prevention in the corner part of the floor panel 10 with a fireproof board and the wall panels 30a, 30b with a fireproof board can be taken easily and reliably. In addition, since the refractory plates 2a, 2b1 and 2b2 are joined at the corners in this way, the irregularities at the corners are not formed, so that the appearance at the corners can be improved.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS.
The wall-floor joint structure of the present invention is applied in each room of a building constructed by a panel method. In the present embodiment, a case where the present invention is applied to a bathroom structure will be described.
[0019]
The panel construction method is a construction method in which components such as walls, floors, and roofs are panelized in a factory in advance, and a panel is assembled at a construction site to construct a building. Panels used in the panel construction method are mainly wood panels, and the vertical and horizontal frame materials are assembled into a rectangular shape, and the auxiliary frame material is assembled vertically and horizontally inside the rectangular frame. In addition, a face material is pasted.
[0020]
First, the structure of the bathroom 15 will be described.
The bathroom 15 has a wall formed of an outer wall panel 30a (wall panel with a fireproof plate) that forms an outer wall of the house and an inner wall panel 30b (wall panel with a fireproof plate) that partitions the interior of the house, and the outer wall panel 30a and It is covered with the floor panel 10 (floor panel with a fireproof board) of the upper floor arrange | positioned at the upper end part of the inner wall panel 30b. Although not shown, the bathroom 15 is provided with a substantially box-shaped bath unit in which, for example, a bathtub, a shower, a washing place, a wall, a ceiling, a ventilation opening, and the like are integrated.
[0021]
The floor panel 10 on the upper floor is preliminarily provided with a fireproof plate 2a on the lower surface of the floor panel 1 and a wall panel 3a on the lower surface of the floor panel 1 with respect to the floor panel 1 formed for the floor among the panels. It is attached inside the part supported by 3b. On the lower surface of the floor panel 1, a long crosspiece 4 is attached along the side of the fireproof plate 2a so that the lower surface thereof is flush with the lower surface of the floor panel 1. A fireproof plate 2a is attached to the lower surface of the.
[0022]
The fireproof plate 2a is a flat plate-like member, and is formed of a gypsum board.
[0023]
The outer wall panel 30a has an exterior material 7 (for example, siding or the like) having fire resistance, heat insulation, and sound insulation on one surface (outdoor side) with respect to the wall panel 3a formed for the wall among the panels. ) And a fire-resistant plate 2b1 having fire resistance is attached to the other surface (the surface forming the wall surface of the bathroom 1). In addition, the area | region where the fireproof board 2b1 is not attached is provided in the lower end part of the said other surface.
[0024]
The refractory plate 2b1 is a flat plate-like member, and the upper end of the refractory plate from the upper end of the outer wall panel 30a is higher than the upper end of the region where the refractory plate 2b1 of the lower end of the outer wall panel 30a is not attached. It is attached to a position that is lowered by the thickness of 2a. Here, the fireproof plate 2b1 is formed of a gypsum board. Further, a retrofitted fireproof plate 2c is attached to a region where the fireproof plate 2b1 at the lower end of the outer wall panel 30a is not attached.
[0025]
The retrofit fireproof plate 2c is a flat plate-like member similar to the fireproof plate 2b1, and is attached to an area where the fireproof plate 2b1 is not installed on the site after the outer wall panel 30a is fixed to the lower casing 5. It is what Here, the fireproof plate 2c is formed of a gypsum board.
[0026]
The inner wall panel 30b has a fireproof plate 2b2 attached to at least one surface (the surface forming the wall surface of the bathroom 1) with respect to the wall panel 3b formed for the wall in the same manner as the outer wall panel 30a. It is.
[0027]
The fireproof plate 2b2 is a flat plate-like member, and is attached to a position where the upper end from the lower end portion of the inner wall panel 30b is lower than the upper end portion of the inner wall panel 30b by the thickness of the fireproof plate 2a. Is. Here, the fireproof plate 2b2 is formed of a gypsum board.
[0028]
Next, a wall-floor joint structure between the floor panel 10 on the upper floor and the outer wall panel 30a and the inner wall panel 30b will be described.
[0029]
An adhesive is applied to the joint surface between the outer wall panel 30a and the inner wall panel 30b adjacent to each other, and the two are bonded together by this adhesive. The outer wall panel 30a and the inner wall panel 30b are also joined and fixed by screw nails B. Further, an adhesive is applied to the lower end surfaces of the outer wall panel 30a and the inner wall panel 30b, and the lower casing 5 is bonded to the lower wall by this adhesive. The outer wall panel 30a, the inner wall panel 30b, and the lower casing 5 are also joined and fixed by screw nails A.
[0030]
Further, an adhesive is applied to the upper end surfaces of the outer wall panel 30a and the inner wall panel 30b, and the floor panel 10 on the upper floor is bonded by this adhesive. Furthermore, the outer wall panel 30a and the inner wall panel 30b and the floor panel 10 on the upper floor are further joined and fixed by screw nails C.
[0031]
The floor panel 1 is supported by the upper end surfaces of the wall panels 3a and 3b, and the end surface of the fireproof plate 2a of the floor panel 10 on the upper floor is the fireproof plate of the outer wall panel 30a and the inner wall panel 30b. It is in contact with the upper end surfaces of 2b1 and 2b2.
[0032]
After installing the outer wall panel 30a and the inner wall panel 30b in an area where the fireproof plate 2b1 is not attached, and fixing the outer wall panel 30a and the inner wall panel 30b to the housing 5 with screw nails a or anchor bolts (not shown), A retrofit fire plate 2c is attached.
In addition, after installing the floor panel 10 of the said upper floor in the upper end surface of the said outer wall panel 30a and the inner wall panel 30b, the said retrofit fireproof board 2c may be attached to the area | region where the said fireproof board 2b1 is not attached. .
[0033]
As described above, according to the present embodiment, the following effects can be obtained.
(1) The floor panel 1 to which the fireproof plate 2a is attached in advance from the portion supported by the wall panels 3a and 3b is supported by the wall panels 3a and 3b, so that the ceiling is not constructed. Fireproofing can be easily taken with the fireproof plate 2a. That is, in the prior art, since the ceiling is constructed using the bracket 410, the crosspiece 210, the field edge 230, and the like, this construction takes time, but in the invention of the present embodiment, the floor panel 1 Can be easily protected by the fire-resistant plate 2a simply by being supported by the wall panels 3a and 3b.
[0034]
(2) A crosspiece 4 is attached to the lower surface of the floor panel 1, and a fireproof plate 2a is attached to the crosspiece 4 so that even if there is no surface material on the lower surface of the floor panel 1, it is easy to fireproof. A plate 2a can be attached.
[0035]
(3) Since the lower surface of the crosspiece 4 is flush with the lower surface of the floor panel 1 and the fireproof plate 2a is attached to the lower surface of the crosspiece 4, the fireproof plate 2a protrudes from the lower surface of the floor panel 1. It will be. Accordingly, when the lower surface of the floor panel 1 is placed on the upper end surfaces of the wall panels 3a and 3b and the floor panel 1 is supported, the fireproof plate 2a is disposed below the upper ends of the wall panels 3a and 3b. Therefore, by making the fireproof plates 2b1 and 2b2 attached to the wall panels 3a and 3b abut on the fireproof plate 2a, fire prevention at the corners between the floor panel 1 and the wall panels 3a and 3b can be easily and reliably taken. be able to.
[0036]
(4) Since the end surface of the fireproof plate 2a of the floor panel 10 on the upper floor is in contact with the upper end surfaces of the fireproof plates 2b1 and 2b2 of the outer wall panel 30a and the inner wall panel 30b, the floor of the upper floor By attaching the panel 10 to the upper end surfaces of the outer wall panel 30a and the inner wall panel 30b from above, the corners of the floor panel 10 on the upper floor and the outer wall panel 30a and the inner wall panel 30b can be installed without installing a ceiling. The fire prevention can be easily and reliably taken.
[0037]
In addition, since the refractory plates 2a, 2b1 and 2b2 are joined at the corners in this way, the irregularities at the corners are not formed, so that the appearance at the corners can be improved.
[0038]
(5) Since the lower wall portion of the outer wall panel 30a is provided with a region where a post-refractory fire plate 2c is attached in the field, the exterior material 7 and the like are attached to the outdoor side of the outer wall panel 30a. The outer wall panel 30a can be fixed to the lower casing 5 with a screw nail A or the like from the region.
[0039]
And after fixing the said outer wall panel 30a to the lower housing | casing 5, the fire prevention of the said outer wall panel 30a can be taken easily by attaching the post-installation fireproof board 2c to the said area | region.
【Effect of the invention】
[0040]
According to the first aspect of the present invention, the floor panel to which the fireproof plate is previously attached is supported by the wall panel on the inner side of the portion supported by the wall panel. You can take fire protection. That is, according to the first aspect of the present invention, it is possible to easily take fire prevention by the fireproof plate only by supporting the floor panel on the wall panel.
Moreover, since the fireproof plate of the floor panel with the fireproof plate is in contact with the fireproof plate of the wall panel with the fireproof plate, it is easy to prevent fire at the corners of the floor panel and the wall panel without constructing the ceiling. And it can be taken reliably.
Furthermore, since the area | region where a retrofit fire plate is attached in the field is provided in the lower end part of the wall panel with a fire plate, when the wall panel with a fire plate becomes an outer wall, the wall panel with the fire plate With the exterior material attached to the outside, the wall panel with the fireproof plate can be fixed to the lower casing from the region with a screw nail or the like.
And after fixing the said wall panel with a fireproof board to a lower housing, attaching a post-installation fireproof board to the said area | region can take fire prevention of the said wall panel with a fireproof board easily.
[0041]
According to the third aspect of the present invention, the same effect as in the first or second aspect can be obtained, and the crosspiece is attached to the lower surface of the floor panel, and the fireproof plate is attached to the crosspiece. Since it is attached, the fireproof plate can be easily attached even if there is no face material on the lower surface of the floor panel.
[0042]
In addition, since the lower surface of the crosspiece is flush with the lower surface of the floor panel and a fireproof plate is attached to the lower surface of the crosspiece, the lower surface of the floor panel is placed on the upper end surface of the wall panel, When the panel is supported, the fireproof plate is disposed below the upper end of the wall panel, so that the fireproof plate attached to the wall panel is brought into contact with the fireproof plate, so that the corners of the floor panel and the wall panel are provided. Fire prevention at can be taken easily and reliably.
[0044]
According to the invention described in claim 2, since the same effect as in claim 1 can be obtained, the end surface of the refractory plate is in contact with the upper end surface of the refractory plate. By attaching the floor panel with a fireproof plate to the upper end surface of the wall panel with the fireproof plate from above, fire prevention at the corners of the floor panel with the fireproof plate and the wall panel with the fireproof plate can be easily and reliably taken. it can. Further, since the fireproof plate is joined at the corner in this manner, the appearance of the corner can be improved.
[Brief description of the drawings]
FIG. 1 shows an example of an embodiment of the present invention and is a longitudinal sectional view of a bathroom.
FIG. 2 is a plan sectional view of the bathroom.
FIG. 3 is a longitudinal sectional view of a conventional wall floor structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Floor panel 2a, 2b1, 2b2 Fire-resistant board 2c Retrofitted fire-resistant board 3a, 3b Wall panel 4 Bar material 5 Housing 10 Floor panel 30a, 30b with fire-resistant board Wall panel with fire-resistant board

Claims (3)

床パネルの下面に予め耐火板を、床パネルの下面のうち壁パネルによって支持される部位より内側に取り付けた耐火板付き床パネルと、壁パネルに耐火板を取り付けた耐火板付き壁パネルとの壁床接合構造であって、
前記壁パネルの上端面によって前記床パネルが支持されており、前記耐火板付き床パネルの耐火板が前記耐火板付き壁パネルの耐火板に当接され、
前記耐火板付き壁パネルの下端部には、耐火板が取り付けられていない領域が設けられており、この領域は前記耐火板付き壁パネルを下方の躯体に固定した後に、前記耐火板付き床パネルの耐火板と当接される前記耐火板付き壁パネルの耐火板の下に現場で後付け耐火板が取り付けられる領域であることを特徴とする壁床接合構造。A floor panel with a fire plate attached to a lower surface of the floor panel in advance, a floor panel with a fire plate attached to a portion of the lower surface of the floor panel supported by the wall panel, and a wall panel with a fire plate attached with a fire plate to the wall panel A wall-to-floor joint structure,
The floor panel is supported by the upper end surface of the wall panel, the fire plate of the floor panel with the fire plate is in contact with the fire plate of the wall panel with the fire plate,
At the lower end portion of the wall panel with a fireproof plate, an area to which a fireproof plate is not attached is provided, and this area is fixed to the lower casing of the wall panel with the fireproof plate, and then the floor panel with the fireproof plate. A wall-floor joint structure characterized in that it is a region where a post-installed fire-resistant plate is attached in the field under the fire-resistant plate of the wall panel with the fire-resistant plate brought into contact with the fire-resistant plate. 請求項１記載の壁床接合構造において、
前記耐火板付き床パネルの耐火板の端部表面が、前記耐火板付き壁パネルの耐火板の上端面に当接されることを特徴とする壁床接合構造。The wall-floor joint structure according to claim 1,
An end surface of the fireproof plate of the floor panel with the fireproof plate is brought into contact with an upper end surface of the fireproof plate of the wall panel with the fireproof plate. 請求項１または２記載の壁床接合構造において、
床パネルの下面には、前記耐火板の辺に沿って長尺な桟材がその下面を、床パネルの下面と面一になるように取り付けられており、この桟材の下面には、耐火板が取り付けられていることを特徴とする壁床接合構造。The wall-floor joint structure according to claim 1 or 2,
On the lower surface of the floor panel, a long bar material is attached along the side of the fireproof plate so that the lower surface thereof is flush with the lower surface of the floor panel. Wall-to-floor joint structure, characterized in that a plate is attached.
JP2001186836A 2001-06-20 2001-06-20 Wall floor joint structure Expired - Fee Related JP4878090B2 (en)

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