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JP2002364104A - Fire-resistant partition wall and method of constructing thereof - Google Patents

Fire-resistant partition wall and method of constructing thereof

Info

Publication number
JP2002364104A
JP2002364104A JP2001302137A JP2001302137A JP2002364104A JP 2002364104 A JP2002364104 A JP 2002364104A JP 2001302137 A JP2001302137 A JP 2001302137A JP 2001302137 A JP2001302137 A JP 2001302137A JP 2002364104 A JP2002364104 A JP 2002364104A
Authority
JP
Japan
Prior art keywords
decorative board
joint
ceiling
board
fire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2001302137A
Other languages
Japanese (ja)
Other versions
JP4049564B2 (en
Inventor
Keigo Karashina
恵吾 唐品
Tomoya Hasegawa
知哉 長谷川
Akira Nakatani
晃 中谷
Koji Yamagata
浩司 山片
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yoshino Gypsum Co Ltd
Original Assignee
Yoshino Gypsum Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yoshino Gypsum Co Ltd filed Critical Yoshino Gypsum Co Ltd
Priority to JP2001302137A priority Critical patent/JP4049564B2/en
Publication of JP2002364104A publication Critical patent/JP2002364104A/en
Application granted granted Critical
Publication of JP4049564B2 publication Critical patent/JP4049564B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Building Environments (AREA)
  • Finishing Walls (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a fire-resistant partition wall allowing internal decorative sheets to be used as building material boards forming the fire-resistant partition wall without specifically curing wall surfaces when a ceiling is constructed and a method of constructing the partition wall in the method of constructing the partition wall of fire-resistant structure extending between upper and lower horizontal fire-resistant divisions. SOLUTION: Vertical framework members 10 extending between the horizontal fire-resistant divisions F1 and F2 are orderly arranged along a wall axis, and a backing board 2 forming a backing surface material is fixed to the vertical framework members to form a backing surface continuously extending between the horizontal fire-resistant divisions. A first decorative board 3a forming a finish surface material is installed on the upper part of the backing surface, and a ceiling finish material 5 is installed so that the edge part thereof is connected to the first decorative board. Then a second decorative board 3b forming the finish surface material is installed on the lower part of the backing surface. The upper edge of the first decorative board reaches the upper side horizontal fire-resistant division, and the lower edge of the first decorative board is positioned lower than the ceiling finish material. The upper edge of the second decorative board is connected to the lower edge of the first decorative board.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、耐火構造の間仕切壁及
びその施工方法に関するものであり、より詳細には、上
下の水平耐火区画の間に延びる乾式工法の耐火間仕切壁
及びその施工方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a partition wall for a fire-resistant structure and a method for constructing the same, and more particularly to a dry-type fire-resistant partition wall extending between upper and lower horizontal fire-resistant sections and a method for constructing the same. Things.

【0002】[0002]

【従来の技術】建築物の壁体は、建築物の用途及び規模
等の建築物単体又は固有の条件、建築物の敷地及び配置
等の集団的又は都市計画的な条件に基づき、強度、防耐
火性能、耐震性能等の諸性能に関し、建築基準法の下で
各種規制を受ける。また、国土交通省、住宅金融公庫、
住宅・都市整備公団等の各公的機関は、標準仕様書又は
特記仕様書等により、壁体の諸性能に関する基準を独自
に定めており、このような機関の建築物では、壁体の性
質及び種別等に応じて、更に詳細な断熱基準、遮音基
準、防耐火基準、耐震基準等が適用される場合がある。
2. Description of the Related Art A building wall is designed to have strength, protection, etc. on the basis of a single or unique condition of the building such as the use and scale of the building, and collective or city planning conditions such as site and arrangement of the building. Various performance regulations such as fire resistance and earthquake resistance are subject to various regulations under the Building Standards Law. The Ministry of Land, Infrastructure, Transport and Tourism, Japan Housing Finance Corporation,
Each public institution, such as the Housing and Urban Development Corporation, stipulates standards for various performances of walls in standard or special specifications, etc. Depending on the type and type, more detailed heat insulation standards, sound insulation standards, fire prevention standards, earthquake resistance standards, and the like may be applied.

【0003】特に、建築物壁体の防耐火性能について
は、内装制限及び防耐火性能が建築基準法に厳格に規定
されているので、壁体の構造及び構成材料は、建築基準
法に規定された内装制限及び防耐火性能を遵守しなけれ
ばならない。例えば、建築基準法は、建築物の用途、規
模及び地域指定等に基づき、耐火建築物又は簡易耐火建
築物として建築物全体の構造を規定するばかりでなく、
建築物の用途、規模、非常時の防火区画、避難、排煙、
消火等の観点より、内装材料、内壁構造、建具構造、配
管貫通部等の建築物内部の各部構成に関し、防耐火性能
を規制している。ここに、現行の建築基準法の下では、
建築物の内装材料は、不燃性能に関し、所定の不燃等級
(不燃材、準不燃材及び難燃材)に分類され、建築物の
壁体は、防耐火性能に関し、所定の構造種別(耐火構
造、準耐火構造、防火構造、準防火構造等)に分類され
ている。
In particular, regarding the fireproof performance of a building wall, since the interior restrictions and fireproof performance are strictly specified in the Building Standard Law, the structure and constituent materials of the wall are specified in the Building Standard Law. Interior restrictions and fire protection performance must be observed. For example, the Building Standards Law not only prescribes the structure of the entire building as a fire-resistant building or a simple fire-resistant building, based on the use, scale and regional designation of the building,
Building uses, scale, emergency fire compartments, evacuation, smoke emission,
From the viewpoint of fire extinguishing and the like, the fireproof performance is regulated for each component inside the building such as the interior material, the inner wall structure, the fitting structure, and the pipe penetration. Here, under the current Building Standard Law,
Building interior materials are classified into prescribed non-combustible grades (non-combustible, semi-combustible and flame-retardant) in terms of non-combustibility. , Semi-fireproof structure, fireproof structure, semi-fireproof structure, etc.).

【0004】建築物の内装材料として、石膏ボード、石
膏板、石膏系セルフレベリング材等の石膏系材料が、長
年に亘って使用されてきた。石膏系建材は、価格、市場
流通性、強度及び防耐火性能等の各種観点より、汎用的
に使用可能な建材として非常に適していることから、
壁、天井、床等を施工する上で効率的に大量使用し得る
建築材料として、広く実用に供されており、このような
状況を反映して、石膏ボード又は石膏板を使用した種々
の耐火間仕切壁が、上述の諸規定又は仕様に適合した耐
火構造壁として開発され且つ公的認定を受けている。
Gypsum-based materials such as gypsum board, gypsum board, and gypsum-based self-leveling materials have been used for many years as interior materials for buildings. Gypsum-based building materials are very suitable as general-purpose usable building materials from various viewpoints such as price, market distribution, strength and fireproof performance.
As a building material that can be efficiently used in large quantities when constructing walls, ceilings, floors, etc., it is widely used practically, and in consideration of such circumstances, various fireproof using gypsum board or gypsum board Partition walls have been developed and officially approved as refractory walls meeting the above regulations or specifications.

【0005】[0005]

【発明が解決しようとする課題】一般に、乾式工法の耐
火間仕切壁は、鋼製ランナを上下のコンクリート床スラ
ブに固定し、鋼製スタッドを上下の鋼製ランナの間に所
定間隔に立設した後、鋼製スタッド及びランナからなる
軸組構造体に石膏ボード等の建材ボードを取付けること
により施工される。通常は、鋼製天井ランナの天井下地
が、間仕切壁の施工後に施工され、天井仕上材が、間仕
切壁の施工後に天井下地に固定される。天井の周縁領域
では、天井仕上材は、廻り縁、ジョイナー又は目地等を
介して間仕切壁の壁面と接合する。一般的な施工形態で
は、内装化粧板、クロス、塗料等の壁面仕上材が、室内
側壁面の表層仕上材として天井下の壁面に施工される。
Generally, in a fire-resistant partition wall of a dry method, steel runners are fixed to upper and lower concrete floor slabs, and steel studs are erected at predetermined intervals between the upper and lower steel runners. Thereafter, construction is performed by attaching a building material board such as a gypsum board to a framed structure composed of steel studs and runners. Usually, a ceiling base of a steel ceiling runner is installed after the partition wall is installed, and a ceiling finishing material is fixed to the ceiling base after the partition wall is installed. In the peripheral region of the ceiling, the ceiling finishing material is joined to the wall surface of the partition wall via a peripheral edge, a joiner, a joint, or the like. In a general construction mode, a wall surface finishing material such as an interior decorative panel, cloth, paint, or the like is applied to a wall surface under a ceiling as a surface finishing material on an indoor side wall surface.

【0006】内装化粧板は、間仕切壁及び天井の接合部
から床面までの高さ範囲において、両面粘着テープ、接
着剤等を用いて間仕切壁の室内側壁面に取付けられる。
しかしながら、このような施工方法では、耐火構造の間
仕切壁が実質的に完成した後に、壁面仕上材を改めて室
内側壁面に付加的に施工する必要があるので、工数及び
材料数が増加し、材工費が高額化する。
[0006] The interior decorative board is attached to the interior side wall of the partition wall using a double-sided adhesive tape, an adhesive or the like in a height range from a joint portion between the partition wall and the ceiling to the floor surface.
However, in such a construction method, after the partition wall of the fire-resistant structure is substantially completed, it is necessary to additionally construct the wall surface finishing material on the indoor side wall surface. Construction cost increases.

【0007】他の施工形態として、天井の施工前に内装
化粧材を天井下壁面に取付ける作業工程を採用すること
も可能であるが、この場合、内装化粧材を間仕切壁の壁
面に取付けた後に、天井施工用の足場を設置して天井工
事を行う必要がある。このため、天井施工時に壁面仕上
材が損傷し又は汚れる事態が懸念され、天井工程前に壁
面を養生する必要が生じるので、この種の施工方法は、
実際には、採用されていない。
As another construction form, it is possible to adopt a work process of attaching the interior decorative material to the lower wall surface of the ceiling before the ceiling is constructed. In this case, after the interior decorative material is attached to the wall surface of the partition wall, It is necessary to install a scaffold for ceiling construction and perform ceiling construction. For this reason, there is a concern that the wall finishing material may be damaged or stained during ceiling construction, and it is necessary to cure the wall before the ceiling process.
In fact, it has not been adopted.

【0008】本発明は、かかる事情に鑑みてなされたも
のであり、その目的とするところは、上下の水平耐火区
画の間に延びる耐火構造の間仕切壁の施工方法におい
て、天井施工時に壁面を格別に養生することなく、耐火
間仕切壁を構成する建材ボードとして内装化粧板を使用
することができる耐火間仕切壁及びその施工方法を提供
することにある。
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for constructing a partition wall of a fire-resistant structure extending between upper and lower horizontal fire-resistant sections, wherein the wall surface is particularly distinguished at the time of ceiling construction. It is an object of the present invention to provide a fire-resistant partition wall in which an interior decorative board can be used as a building material board constituting a fire-resistant partition wall without curing, and a method of constructing the same.

【0009】[0009]

【課題を解決するための手段及び作用】上記目的を達成
するために、本発明は、上下の水平耐火区画の間に延び
る耐火構造の間仕切壁の施工方法において、前記水平耐
火区画の間に延びる垂直な軸組部材を壁芯に沿って整列
配置し、下地面材を構成する下地ボードを前記垂直軸組
部材に固定して、前記水平耐火区画の間に連続的に延び
る下地面を形成し、仕上面材を構成する第1化粧ボード
を前記下地面の上部に取付け、第1化粧ボードの施工後
に天井仕上材を施工し、仕上面材を構成する第2化粧ボ
ードを天井仕上材の施工後に前記下地面の下部に取付け
る工程を含み、前記第1化粧ボードの上端縁は、上側の
水平耐火区画に達し、前記第2化粧ボードの上端縁は、
前記第1化粧ボードの下端縁と接合することを特徴とす
る間仕切壁の施工方法を提供する。
In order to achieve the above object, the present invention relates to a method for constructing a partition wall of a fire-resistant structure extending between upper and lower horizontal fire-resistant sections, the method comprising: A vertical framing member is arranged along the wall core, and a ground board constituting a ground surface material is fixed to the vertical framing member to form a ground surface extending continuously between the horizontal fireproof sections. A first decorative board constituting a surface finish material is attached to the upper part of the base surface, a ceiling finish material is constructed after the first decorative board is constructed, and a second decorative board constituting the finish surface material is constructed as the ceiling finish material. Including a step of attaching to a lower portion of the base surface later, wherein an upper edge of the first decorative board reaches an upper horizontal refractory compartment, and an upper edge of the second decorative board is
A method for constructing a partition wall, which is joined to a lower edge of the first decorative board, is provided.

【0010】本発明の上記構成によれば、耐火構造壁の
面材は、下地ボード(下地面材)及び化粧ボード(仕上
面材)より構成される。化粧ボードは、少なくとも上下
2段に分割される。上側の第1化粧ボードは、天井工事
に先行して下地ボードに取付けられる。天井仕上材は、
下側の第2化粧ボードを下地ボードに取付ける前に施工
されるので、天井仕上材の施工時には、天井施工用の足
場のレベルでは、概ね下地ボードが耐火間仕切壁の壁面
に露出するにすぎない。従って、このような施工方法に
よれば、壁面を格別に養生する必要性が生じない。
According to the above configuration of the present invention, the face material of the fire-resistant structure wall is composed of a base board (base face material) and a decorative board (finishing surface material). The decorative board is divided into at least two upper and lower stages. The upper first decorative board is attached to the base board prior to ceiling work. The ceiling finishing material is
It is installed before the lower second decorative board is attached to the base board, so at the time of the ceiling finishing material, at the level of the scaffold for ceiling installation, the base board is generally only exposed on the wall surface of the fire-resistant partition wall . Therefore, according to such a construction method, it is not necessary to cure the wall surface.

【0011】化粧ボードは、上側の水平耐火区画に達す
るので、耐火構造壁の面材として有効に機能する。即
ち、耐火構造の間仕切壁において耐火上有効な面材は、
上下の水平耐火区画の間に延在する建材ボードに限定さ
れるが、従来の施工方法では、化粧ボードにより室内側
壁面を仕上げる場合、下地ボード及び上貼りボードを上
下の水平区画間に施工した後に化粧ボードを天井高さま
で上貼りボード上に取付けていたので、耐火構造壁は、
天井下のレベルでは、3枚の建材ボードを重ね合わせた
構造を備えていた。これに対し、本発明によれば、化粧
ボードが上下の水平区画間に延在するので、化粧ボード
自体の耐火性能を有効利用し、下地ボード上に化粧ボー
ドを取付けた2枚貼り構造の耐火構造壁を構築すること
ができる。
Since the decorative board reaches the upper horizontal fire-resistant section, it effectively functions as a face material of the fire-resistant structure wall. In other words, the surface material effective on fire resistance in the partition wall of the fire-resistant structure is:
Although it is limited to building material boards extending between the upper and lower horizontal fireproof sections, in the conventional construction method, when finishing the interior side wall surface with a decorative board, the base board and the overlaid board were installed between the upper and lower horizontal sections Later, the decorative board was attached to the ceiling board to the height of the ceiling, so the fireproof structure wall was
At the level below the ceiling, the building had a structure in which three building material boards were stacked. On the other hand, according to the present invention, since the decorative board extends between the upper and lower horizontal sections, the fireproof performance of the decorative board itself is effectively used, and the two-layered fireproof structure in which the decorative board is mounted on the base board is used. Structural walls can be built.

【0012】他の観点より、本発明は、上記施工方法に
より施工された耐火間仕切壁を提供する。上記施工方法
により施工された耐火間仕切壁は、天井下レベルの壁面
を化粧ボードにより仕上げた構成を備えるにもかかわら
ず、天井裏及び天井下の双方において2枚の建材ボード
を重ね合わせた構造を備えるにすぎない。このため、耐
火間仕切壁の工事費を低減することができる。
From another viewpoint, the present invention provides a fire-resistant partition wall constructed by the above-mentioned construction method. The fire-resistant partition wall constructed by the above construction method has a structure in which two building material boards are overlapped both under the ceiling and under the ceiling, despite having a configuration in which the wall under the ceiling is finished with a decorative board. Just prepare. For this reason, the construction cost of the fire-resistant partition can be reduced.

【0013】[0013]

【発明の実施の形態】本発明の好ましい実施形態におい
て、上記第1化粧ボードの下端縁は、天井面と面一又は
天井仕上材の設計レベルよりも下方に位置決めされる。
天井仕上材の縁部は、第1化粧ボードに接合し、第1化
粧ボードは、天井レベルと同一又は天井レベルから若干
下方に延びる。本発明の他の実施形態において、第1化
粧ボードの下端縁は、天井面よりも上方に位置決めさ
れ、第1及び第2化粧ボードの接合部は、天井仕上材及
び天井野縁の厚さ範囲(D)内に設定される。
In a preferred embodiment of the present invention, the lower edge of the first decorative board is positioned flush with the ceiling surface or below the design level of the ceiling finishing material.
The edge of the ceiling finish is joined to a first decorative board, which extends the same as or slightly below the ceiling level. In another embodiment of the present invention, the lower edge of the first decorative board is positioned above the ceiling surface, and the joint between the first and second decorative boards is formed of a ceiling finishing material and a ceiling edge. (D) is set.

【0014】本発明の好適な実施形態によれば、上記第
2化粧ボードの上端縁と、第1化粧ボードの下端縁と
は、突付け目地、目透かし目地又はシール材充填目地を
介して接合し、天井仕上材は、天井廻り縁、突付け目
地、目透かし目地又はシール材充填目地を介して第1化
粧ボードと接合する。変形例として、これらの接合部に
既製の金属ジョイナー等を介挿しても良い。
According to a preferred embodiment of the present invention, the upper end edge of the second decorative board and the lower end edge of the first decorative board are joined via a butt joint, a watermark joint or a sealing material filled joint. Then, the ceiling finishing material is joined to the first decorative board via a ceiling periphery, a perforated joint, a blind joint, or a sealing material filled joint. As a modification, a ready-made metal joiner or the like may be inserted into these joints.

【0015】化粧ボードの側縁同士は、突付け目地、目
透かし目地又はシール材充填目地等の垂直目地、あるい
は、金属ジョイナー等を介して接合する。好ましくは、
目透かし形の垂直目地には、目地部の耐火性能を向上す
べく、ハット型に成形した亜鉛鉄板、石膏ボード、石膏
板又は珪酸カルシウム板等の耐火材が充填される。
The side edges of the decorative board are joined to each other via a vertical joint such as a butt joint, an open joint, a joint filled with a sealing material, or a metal joiner. Preferably,
The open joint type vertical joint is filled with a refractory material such as a hat-shaped zinc iron plate, a gypsum board, a gypsum plate or a calcium silicate plate in order to improve the fire resistance of the joint.

【0016】本発明の更に好適な実施形態では、第1化
粧ボードと第2化粧ボードとの接合目地を跨がる水平部
材が、接合部の室内側面に取付けられる。化粧ボードを
耐火壁の構成要素とする場合、加熱時に化粧ボードが剥
落又は脱落するのを防止すべく、化粧ボードをビス又は
ステープル等の耐熱性係止具で下地ボードに固定する必
要がある。このため、上下の化粧ボードの接合部近傍に
は、ビス又はステープルのビス頭などが露出する。しか
しながら、上記水平部材を備えた耐火間仕切壁によれ
ば、水平部材は、このような係止具の露出部分を室内側
から隠蔽し、任意の耐熱性係止具の使用を可能にする。
水平部材として、天然木材、木質系合板、木質系集成
材、樹脂成形品、金属成形部材等の帯板を好適に使用し
得る。化粧ボードと同質の素材の帯板、化粧ボードの裁
断片からなる帯板等を使用しても良い。また、水平部材
として、ピクチュアレール、カーテンレール等のインテ
リアレールや、廻り縁等の見切縁を使用しても良い。
In a further preferred embodiment of the present invention, a horizontal member that straddles a joint between the first decorative board and the second decorative board is attached to the interior side surface of the joint. When the decorative board is used as a component of the fire-resistant wall, it is necessary to fix the decorative board to the base board with a heat-resistant fastener such as a screw or a staple in order to prevent the decorative board from peeling or falling off during heating. For this reason, near the joint between the upper and lower decorative boards, screws or staple screw heads are exposed. However, according to the fire-resistant partition provided with the horizontal member, the horizontal member conceals the exposed portion of such a locking device from the indoor side, and allows use of any heat-resistant locking device.
As the horizontal member, a strip of natural wood, wood-based plywood, wood-based laminated wood, resin molded product, metal molded member, or the like can be suitably used. A strip made of the same material as the decorative board, a strip made of cut pieces of the decorative board, or the like may be used. Further, as the horizontal member, an interior rail such as a picture rail or a curtain rail, or a parting edge such as a surrounding edge may be used.

【0017】本発明の或る実施形態では、上記下地ボー
ド及び化粧ボードは、同一の向きに配列される。好まし
くは、下地ボード間の垂直目地と、化粧ボード間の垂直
目地とは、壁芯方向に互いにずれた位置に配置される。
In one embodiment of the present invention, the base board and the decorative board are arranged in the same direction. Preferably, the vertical joints between the base boards and the vertical joints between the decorative boards are arranged at positions shifted from each other in the direction of the center of the wall.

【0018】本発明の他の実施形態では、下地ボード及
び化粧ボードは、互いに直交するように配向される。こ
のような構成によれば、下地ボード及び化粧ボードの指
向性を平準化し、壁面全体の面外剛性等を平均的に向上
することができる。
In another embodiment of the present invention, the base board and the decorative board are oriented orthogonal to each other. According to such a configuration, the directivity of the base board and the decorative board can be leveled, and the out-of-plane rigidity and the like of the entire wall surface can be improved on average.

【0019】本発明の好ましい実施形態において、第1
化粧ボードの長さ(全高)は、間仕切壁の全高に対し
て、その20〜80%の範囲内の寸法に設定される。ま
た、上記垂直軸組部材として、鋼製スタッドが使用され
る。スタッドは、シングル配列の間仕切壁においては、
壁芯位置に一列に整列配置され、ダブル配列の間仕切壁
においては、壁芯の両側に並列配置される。ダブル配列
の間仕切壁では、空気層が、壁芯位置に配置される。所
望により、断熱材又は吸音材等が、壁芯位置に挿入され
る。なお、垂直軸組部材として、木製間柱や、石膏、セ
ラミックス又はセメント系材料の柱状成形品等を使用し
ても良い。
In a preferred embodiment of the present invention, the first
The length (total height) of the decorative board is set to a size within a range of 20 to 80% of the total height of the partition wall. Further, a steel stud is used as the vertical shaft assembly member. The studs are used on the partition wall in a single arrangement.
They are arranged in a line at the center of the wall, and are arranged in parallel on both sides of the center of the wall in the partition wall of the double arrangement. In the partition wall of the double arrangement, the air layer is disposed at the wall center position. If desired, a heat insulating material or a sound absorbing material or the like is inserted into the wall center position. As the vertical frame member, a wooden stud, a gypsum, a columnar molded product of ceramics or a cement-based material, or the like may be used.

【0020】[0020]

【実施例】以下、添付図面を参照して、本発明に係る耐
火間仕切壁の実施例について、詳細に説明する。図1及
び図2は、本発明に係る耐火間仕切壁の構造を示す縦断
面図及び斜視図である。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a fire-resistant partition wall according to the present invention. 1 and 2 are a longitudinal sectional view and a perspective view showing the structure of a fire-resistant partition wall according to the present invention.

【0021】本実施例において、間仕切壁1は、図1及
び図2に示す如く、鉄筋コンクリート製床スラブF1上
に施工される。間仕切壁1の下端部は、床スラブF1に
支持され、間仕切壁1の上端部は、鉄筋コンクリート製
の上階床スラブF2に固定される。間仕切壁1の軸組
は、鋼製スタッド10、床ランナ11及び天井ランナ1
2により構成される。スタッド10は、軽量鉄骨製のチ
ャンネル型部材からなり、床ランナ11及び天井ランナ
12は、軽量溝型鋼からなる。ランナ11、12は、ア
ンカーボルト等の係止具13によって床スラブF1、F
2に夫々固定され、スタッド10の下端部及び上端部
が、床ランナ11及び天井ランナ12に夫々係止する。
スタッド10は、300〜600mm程度の寸法に設定さ
れた所定間隔を隔てて壁芯方向に整列し、床スラブF
1、F2の間に垂直に立設する。
In this embodiment, the partition wall 1 is constructed on a reinforced concrete floor slab F1, as shown in FIGS. The lower end of the partition wall 1 is supported by a floor slab F1, and the upper end of the partition wall 1 is fixed to an upper floor slab F2 made of reinforced concrete. The frame of the partition wall 1 includes a steel stud 10, a floor runner 11, and a ceiling runner 1.
2. The stud 10 is made of a lightweight steel channel type member, and the floor runner 11 and the ceiling runner 12 are made of lightweight channel steel. The runners 11, 12 are fixed to floor slabs F1, F
2, and the lower end and the upper end of the stud 10 are locked to the floor runner 11 and the ceiling runner 12, respectively.
The studs 10 are arranged in the direction of the center of the wall at a predetermined interval set to a size of about 300 to 600 mm.
1. Stand vertically between F2.

【0022】図2に示す如く、下地ボード2が、ビス及
び/又は接着剤等によってスタッド10に取付けられ、
予め表面仕上4を施した化粧ボード3が、ビス9又はス
テープル(図示せず)によって下地ボード2の表面に固
定される。下地ボード2として、石膏ボード又は石膏板
を好適に使用し得る。更に好適には、硬質石膏板(比重
約1.25)又はガラス繊維補強石膏板(比重約1.
0)が、下地ボード2として使用される。化粧ボード3
として、化粧石膏ボード、化粧セメント板、化粧スレー
ト、化粧珪酸カルシウム板等の不燃又は準不燃建材を好
適に使用し得る。化粧ボード3の仕上表面4が室内側に
面し、仕上表面4は、クロス又は塗装等の内装仕上工事
を施すことなく、室内壁面を形成する。
As shown in FIG. 2, the base board 2 is attached to the stud 10 with screws and / or an adhesive or the like.
The decorative board 3 which has been subjected to the surface finishing 4 in advance is fixed to the surface of the base board 2 with screws 9 or staples (not shown). As the base board 2, a gypsum board or a gypsum board can be suitably used. More preferably, hard gypsum board (specific gravity of about 1.25) or glass fiber reinforced gypsum board (specific gravity of about 1.
0) is used as the base board 2. Makeup board 3
As such, non-combustible or semi-non-combustible building materials such as decorative plasterboard, decorative cement board, decorative slate, decorative calcium silicate board and the like can be suitably used. The finishing surface 4 of the decorative board 3 faces the indoor side, and the finishing surface 4 forms an indoor wall surface without performing interior finishing work such as cloth or painting.

【0023】図1に示す如く、床仕上材6が、床スラブ
F1上に施工され、巾木7が、間仕切壁1の下端縁に取
付けられる。巾木7は、化粧ボード3の下端部に配置さ
れたビス9のビス頭を室内側から被覆し、下端部のビス
頭は、巾木7によって隠蔽される。巾木7として、汎用
の既製巾木、例えば、ビニール巾木等を使用し得る。
As shown in FIG. 1, a floor finishing material 6 is installed on the floor slab F1, and a baseboard 7 is attached to the lower edge of the partition wall 1. The baseboard 7 covers the screw head of the screw 9 arranged at the lower end of the decorative board 3 from the indoor side, and the lower end of the screwhead is hidden by the baseboard 7. As the baseboard 7, a general-purpose ready-made baseboard, for example, a vinyl baseboard or the like can be used.

【0024】天井軽鉄下地Cが、上階床スラブF2に懸
吊され、天井仕上材5が、天井軽鉄下地Cに取付けられ
る。天井仕上材5は、天井廻り縁等の見切り縁(図示せ
ず)を介して化粧ボード3の室内側壁面に連接する。廻
り縁として、樹脂又は金属製の既製見切り縁又はジョイ
ナーや、木材の加工品を使用し得る。所望により、天井
廻り縁部分に目透かし目地を形成し、或いは、コーキン
グ材又はシーリング材を充填したシール材充填目地を形
成しても良い。
The ceiling light iron base C is suspended from the upper floor slab F2, and the ceiling finishing material 5 is attached to the ceiling light iron base C. The ceiling finishing material 5 is connected to the indoor side wall surface of the decorative board 3 via a parting edge (not shown) such as an edge around the ceiling. As the surrounding edge, a ready-made parting edge or joiner made of resin or metal, or a processed product of wood can be used. If desired, an openwork joint may be formed at the periphery of the ceiling, or a sealing material-filled joint filled with a caulking material or a sealing material may be formed.

【0025】化粧ボード3は、上下に分割されており、
下側化粧ボード3bの上端縁は、天井仕上材5の下方に
位置する。下側化粧ボード3b及び上側化粧ボード3a
は、目地14を介して連接し、上側化粧ボード3aは、
天井面を超え、上階床スラブF2に達する。ボード3
a、3bの仕上表面4は、床スラブF1から上階床スラ
ブF2まで実質的に連続する室内側壁面を形成する。本
例では、目地14は、目透かし目地の形態に施工され、
目地14の目地幅は、約3〜10mm程度の寸法に設定さ
れる。上下の化粧ボード3a、3bを突付け、目地14
を突付け目地の形態に施工しても良い。化粧ボード3の
垂直目地又は縦目地30には、ハット型に成形した亜鉛
鉄板が挿入され、あるいは、石膏ボード、石膏板又は珪
酸カルシウム板等の耐火材が充填され、目地部の耐火性
能は向上する。
The decorative board 3 is divided into upper and lower parts,
The upper edge of the lower decorative board 3b is located below the ceiling finishing material 5. Lower decorative board 3b and upper decorative board 3a
Are connected via joints 14, and the upper decorative board 3a is
Over the ceiling, it reaches the upper floor slab F2. Board 3
The finishing surfaces 4 of a and 3b form an indoor side wall surface that is substantially continuous from the floor slab F1 to the upper floor slab F2. In this example, the joint 14 is constructed in the form of a watermark joint,
The joint width of the joint 14 is set to a size of about 3 to 10 mm. Attach the upper and lower decorative boards 3a, 3b, and
May be constructed in the form of a butt joint. A hat-shaped zinc-iron plate is inserted into the vertical joints or the vertical joints 30 of the decorative board 3, or a refractory material such as a gypsum board, a gypsum board or a calcium silicate plate is filled, and the fire resistance of the joints is improved. I do.

【0026】予め表面仕上を施した化粧帯板15が、目
地14を跨ぐように目地14の外側に取付けられる。水
平部材を構成する化粧帯板15は、接着剤及び釘等によ
って化粧ボード3上に固定され、水平な付け鴨居を室内
壁面に形成する。化粧帯板15は、上側化粧ボード3a
の下端部および下側化粧ボード3bの上端部に配置され
たビス9のビス頭を室内側から被覆し、目地14近傍の
ビス頭は、化粧帯板15によって隠蔽される。化粧帯板
15として、天然木板、木質系合板、木質系集成材等の
木材加工品、或いは、木質材で表層被覆した樹脂成形品
や、金属成形部材等を好適に使用し得る。
A decorative strip 15 whose surface is finished in advance is attached to the outside of the joint 14 so as to straddle the joint 14. The decorative strip 15 constituting the horizontal member is fixed on the decorative board 3 with an adhesive, a nail, or the like, and forms a horizontal attached doorway on the indoor wall surface. The decorative band plate 15 is provided on the upper decorative board 3a.
The screw heads of the screws 9 arranged at the lower end of the lower decorative board 3b and the upper end of the lower decorative board 3b are covered from the indoor side, and the screw head near the joint 14 is hidden by the decorative band plate 15. As the decorative band board 15, a processed wood product such as a natural wood board, a wood-based plywood, a wood-based laminated wood, a resin molded product covered with a wood material on a surface layer, a metal molded member, or the like can be suitably used.

【0027】図3及び図5は、間仕切壁1の施工工程を
示す壁体の概略正面図である。図4は、図3(B)に示
す作業工程における間仕切壁1の縦断面図であり、図6
は、図5(A)に示す作業工程における間仕切壁1の縦
断面図である。
FIG. 3 and FIG. 5 are schematic front views of the wall showing the steps of constructing the partition wall 1. FIG. FIG. 4 is a longitudinal sectional view of the partition wall 1 in the work process shown in FIG.
FIG. 6 is a longitudinal sectional view of the partition wall 1 in the work process shown in FIG.

【0028】図3(A)に示す如く、間仕切壁1の建込
み工程においては、床ランナ11及び天井ランナ12を
先ず壁芯位置に位置決めし、床スラブF1、F2に固定
する。本例では、ランナ11、12の端部は、鉄筋コン
クリート壁Wに隣接して位置決めされる。次いで、スタ
ッド10の上端部及び下端部をランナ11、12に係止
し、スタッド10をRC壁Wの近傍からランナ11、1
2に沿って所定間隔に整列配置し、壁芯位置に垂直に建
て込む。
As shown in FIG. 3A, in the step of building the partition wall 1, the floor runner 11 and the ceiling runner 12 are first positioned at the wall center position, and fixed to the floor slabs F1, F2. In this example, the ends of the runners 11 and 12 are positioned adjacent to the reinforced concrete wall W. Next, the upper end and the lower end of the stud 10 are locked to the runners 11 and 12, and the stud 10 is moved from the vicinity of the RC wall W to the runners 11 and 1.
2 and arranged at predetermined intervals, and vertically erected at the wall center position.

【0029】図3(B)に示す如く、下地ボード2をビ
ス及び/又は接着剤等にてスタッド10及びランナ1
1、12に固定した後、上側化粧ボード3aを上階床ス
ラブF2に突付けて下地ボード2の上部に固定する。上
側化粧ボード3aの固定は、接着剤によりボード3aの
裏面を下地ボード2に接着するとともに、ビス9又はス
テープルをボード3aの上端縁及び下端縁の近傍に所定
間隔に螺子込むことにより行われる。
As shown in FIG. 3B, the base board 2 is fixed to the stud 10 and the runner 1 with screws and / or an adhesive.
After fixing to 1 and 12, the upper decorative board 3a is abutted against the upper floor slab F2 and fixed to the upper part of the base board 2. The upper decorative board 3a is fixed by bonding the back surface of the board 3a to the base board 2 with an adhesive and screwing screws 9 or staples at predetermined intervals near the upper and lower edges of the board 3a.

【0030】上側化粧ボード3aを下地ボード2上に固
定した状態の間仕切壁1が、図4に示されている。上側
化粧ボード3aの下端縁16の高さhは、天井高の設計
値Hよりも小さく設定され、下端縁16は、天井下に位
置する。
FIG. 4 shows the partition wall 1 with the upper decorative board 3a fixed on the base board 2. The height h of the lower edge 16 of the upper decorative board 3a is set smaller than the design value H of the ceiling height, and the lower edge 16 is located below the ceiling.

【0031】次工程では、図5(A)に示す如く、天井
軽鉄下地Cを天井領域に施工し、天井仕上材5を天井軽
鉄下地Cに取付け、天井面を形成する。所望により、天
井廻り縁等の見切り縁(図示せず)が、天井の周縁領域
に取付けられ、天井仕上材5は、見切り縁を介して上側
化粧ボード3aと接合する。
In the next step, as shown in FIG. 5A, the ceiling light iron base C is applied to the ceiling area, the ceiling finishing material 5 is attached to the ceiling light iron base C, and the ceiling surface is formed. If desired, a parting edge (not shown), such as a ceiling periphery, is attached to the peripheral area of the ceiling, and the ceiling finish 5 is joined to the upper decorative board 3a via the parting edge.

【0032】天井を施工した状態の間仕切壁1が、図6
に示されている。上側化粧ボード3aは、天井面から下
方に延び、下端縁16は、天井下に位置する。上側化粧
ボード3aの上端縁近傍に螺子込んだビス9は、天井裏
に隠蔽される。
The partition wall 1 with the ceiling installed is shown in FIG.
Is shown in The upper decorative board 3a extends downward from the ceiling surface, and the lower edge 16 is located below the ceiling. The screw 9 screwed into the vicinity of the upper edge of the upper decorative board 3a is hidden behind the ceiling.

【0033】引き続き、図5(B)に示す如く、下側化
粧ボード3bを下地ボード2上に取付ける。接着剤によ
りボード3bの裏面を下地ボード2に接着するととも
に、ビス9をボード3bの上端縁及び下端縁の近傍に所
定間隔に螺子込み、これにより、下側化粧ボード3bを
下地ボード2上に固定する。下側化粧ボード3bの下端
縁は、床スラブF1の上面に接地し、ボード3bの上端
縁は、上側化粧ボード3aの下端縁から僅かに間隔を隔
てた位置に位置決めされる。上下の化粧ボード3a、3
bの間には、図1に示す如く、目透かし目地14が形成
される。
Subsequently, as shown in FIG. 5B, the lower decorative board 3b is mounted on the base board 2. The back surface of the board 3b is adhered to the base board 2 with an adhesive, and screws 9 are screwed at predetermined intervals near the upper edge and the lower edge of the board 3b, whereby the lower decorative board 3b is placed on the base board 2. Fix it. The lower edge of the lower decorative board 3b is grounded on the upper surface of the floor slab F1, and the upper edge of the board 3b is positioned at a position slightly spaced from the lower edge of the upper decorative board 3a. Upper and lower decorative boards 3a, 3
As shown in FIG. 1, a watermark joint 14 is formed between the points b.

【0034】間仕切壁1の最終工程として、図5(B)
に破線で示す如く、目地14の高さhを基準に化粧帯板
15を水平に化粧ボード3a、3b上に取付けるととも
に、巾木7を下側化粧ボード3bの下端部に接着剤等で
取付ける。目地14および目地近傍のビス9は、化粧帯
板15によって隠蔽され、ボード3b下端部のビス9
は、巾木7によって隠蔽される。一般には、巾木7は、
床仕上材6の施工後に間仕切壁1の下端部に取付けられ
る。
As a final step of the partition wall 1, FIG.
As shown by the broken line, the decorative strip 15 is horizontally mounted on the decorative boards 3a and 3b based on the height h of the joint 14, and the baseboard 7 is mounted on the lower end of the lower decorative board 3b with an adhesive or the like. . The joints 14 and the screws 9 near the joints are concealed by the decorative band plate 15, and the screws 9 at the lower end of the board 3b.
Is concealed by the baseboard 7. Generally, the baseboard 7 is
After the floor finishing material 6 is installed, it is attached to the lower end of the partition wall 1.

【0035】かくして、図1及び図2に示す間仕切壁1
が施工され、間仕切壁1の壁面は、化粧ボード3によっ
て形成される。化粧ボード3の表面には、既に壁面仕上
げが施されているので、塗装作業又はクロス貼り作業等
の壁面仕上げ工程は、省略される。
Thus, the partition wall 1 shown in FIGS.
Is constructed, and the wall surface of the partition wall 1 is formed by the decorative board 3. Since the surface of the decorative board 3 has already been subjected to wall finishing, a wall finishing step such as a painting operation or a cloth sticking operation is omitted.

【0036】このような間仕切壁1の構成によれば、鋼
製スタッド10は、壁芯に沿って垂直に整列し、上下の
床スラブF1:F2の間に延びる。下地ボード2は、ス
タッド10に固定される。床スラブF1:F2間に連続
的に延びる下地面が、下地ボード2により形成され、上
側化粧ボード3aは、下地ボード2の上部に取付けられ
る。上側化粧ボード3aの上端縁は、上側の水平耐火区
画に達し、上側化粧ボード3aの下端縁16は、天井仕
上材5の下側に位置する。天井仕上材5は、縁部が上側
化粧ボード3aと接合するように施工される。下側化粧
ボード3bは、天井の施工後に下地ボード2の下部に取
付けられ、下側化粧ボード3bの上端縁は、上側化粧ボ
ード3aの下端縁と接合する。
According to such a configuration of the partition wall 1, the steel studs 10 are vertically aligned along the wall core and extend between the upper and lower floor slabs F1: F2. The base board 2 is fixed to the stud 10. A ground surface continuously extending between the floor slabs F1: F2 is formed by the ground board 2, and the upper decorative board 3a is mounted on the upper part of the ground board 2. The upper edge of the upper decorative board 3a reaches the upper horizontal fireproof section, and the lower edge 16 of the upper decorative board 3a is located below the ceiling finishing material 5. The ceiling finishing material 5 is constructed so that the edge is joined to the upper decorative board 3a. The lower decorative board 3b is attached to the lower part of the base board 2 after the ceiling is installed, and the upper edge of the lower decorative board 3b is joined to the lower edge of the upper decorative board 3a.

【0037】天井仕上材5は、図5(A)及び図6に示
すように、下側化粧ボード3bを下地ボード2に取付け
る前に施工されるので、天井施工用の足場のレベルで
は、下地ボード2の下端部が比較的僅かな寸法で間仕切
壁1の天井下壁面に露出するにすぎない。従って、壁面
に対する格別の養生は、天井施工時に必要とされない。
しかも、化粧ボード3は、上階床スラブF2に達するの
で、耐火構造壁を構成する面材として有効に機能する。
As shown in FIGS. 5 (A) and 6, the ceiling finishing material 5 is applied before the lower decorative board 3b is attached to the base board 2, so that at the level of the scaffold for ceiling installation, the base material is not provided. The lower end of the board 2 is only exposed to the lower wall surface of the partition wall 1 with a relatively small dimension. Therefore, special curing for the wall is not required at the time of ceiling construction.
Moreover, since the decorative board 3 reaches the upper floor slab F2, the decorative board 3 effectively functions as a face material constituting the fireproof structure wall.

【0038】図7(A)は、本発明の耐火間仕切壁に関
する他の実施例を示す斜視図及び部分拡大断面図であ
る。図7(A)に示す間仕切壁1は、下地ボード2を鋼
製スタッド10に横方向に取付けた点を除き、上述の実
施例と同一である。下地ボード2の水平継目又は横目地
20は、水平方向に延び、化粧ボード3の垂直継目又は
縦目地30と直交する。縦目地30には、耐火目地材4
0として、ハット型に成形した亜鉛鉄板が挿入され、あ
るいは、石膏ボード、石膏板又は珪酸カルシウム板等の
耐火材が充填される。耐火目地材40は、横目地20と
縦目地30との交差部において目地部の耐火性能を大幅
に向上し、局所的な耐火上の弱点が生じる可能性を確実
に防止するので、間仕切壁1は、所期の耐火性能を効果
的に発揮する。
FIG. 7A is a perspective view and a partially enlarged sectional view showing another embodiment of the fire-resistant partition wall of the present invention. The partition wall 1 shown in FIG. 7 (A) is the same as the above-described embodiment except that the base board 2 is mounted on the steel stud 10 in the lateral direction. The horizontal joint or horizontal joint 20 of the base board 2 extends in the horizontal direction and is orthogonal to the vertical joint or vertical joint 30 of the decorative board 3. The vertical joint 30 has a refractory joint 4
As 0, a zinc-iron plate formed in a hat shape is inserted, or a refractory material such as a gypsum board, a gypsum plate or a calcium silicate plate is filled. The refractory joint 40 greatly improves the fire resistance of the joint at the intersection of the horizontal joint 20 and the vertical joint 30 and reliably prevents the possibility of occurrence of a local weak point in fire resistance. Effectively exhibits the intended fire resistance performance.

【0039】上側化粧ボード3aは、下地ボード2の上
部に取付けられ、上階床スラブF2に達する。天井仕上
材5の施工後、下側化粧ボード3bは、下地ボード2の
下部に取付けられる。下側化粧ボード3bの上端縁は、
上側化粧ボード3aの下端縁と接合し、接合部は、化粧
帯板15によって隠蔽される。
The upper decorative board 3a is attached to the upper part of the base board 2, and reaches the upper floor slab F2. After the ceiling finishing material 5 is installed, the lower decorative board 3b is attached to the lower part of the base board 2. The upper edge of the lower decorative board 3b is
It is joined to the lower edge of the upper decorative board 3a, and the joint is hidden by the decorative band plate 15.

【0040】図7(B)は、縦目地30の拡大横断面図
である。図7(B)には、ハット型断面を有する耐火目
地材40を縦目地30に挿入した状態が例示されてい
る。耐火目地材40は、厚さ0.3〜0.5mmの防錆鋼
板又は化粧鋼板、例えば、厚さ0.3mmの亜鉛鉄板の曲
げ成形品からなり、全長に亘って均一なハット型(帽子
型)の断面形状を有する。耐火目地材40は、縦目地3
0の左右に延びる一対の脚部41と、縦目地30内に位
置する隆起部42とを備える。耐火目地材40の左右の
脚部41は、下地ボード2及び化粧ボード3の間に介挿
され、ボード2、3の間に挟持される。実際の施工にお
いて、耐火目地材40は、下地ボード2上に化粧ボード
3を上張りする際に縦目地30の部分に位置決めされ、
化粧ボード3の縁部により下地ボード2上に押付けられ
る。所望により、接着材又は接着剤を脚部41に塗布
し、脚部41をボード2、3に接着しても良い。中央に
位置する隆起部42は、ボード2の表面から僅かに隆起
するが、目地底を構成する隆起部42の表面は、化粧ボ
ード3の表層から依然として距離を隔て、目地内に引っ
込んでおり、従って、縦目地30の目透かし目地形態
は、耐火目地材40の配設によってその意匠性を損なう
ことはない。同時に、隆起部42が表面仕上4から引っ
込むことにより、隆起部42の室内側に室内側垂直通路
45が形成され、亜鉛鉄板が隆起することにより、隆起
部42と下地ボード2との間に内部垂直通路46が形成
される。長尺の耐火目地材40は、床スラブF1から上
階床スラブF2まで連続し、間仕切壁1の全高に亘って
延在する。横目地20と縦目地30との交差部は、耐火
目地材40により閉塞し、室内側から実質的に完全に隠
蔽される。従って、一方の側の室に火災が発生して間仕
切壁1が加熱されたとしても、火災時の熱気は、目地交
差部25から他方の側の室に漏出することなく、間仕切
壁1の裏面温度(火災発生室とは反対側の室の壁面温
度)に影響しない。従って、上記耐火目地材40を目地
交差部25に設けることにより、目地交差部25の近傍
に局所的な高温域が形成されるのを防止することができ
る。また、垂直通路45、46には、壁面温度上昇時に
上昇気流が発生し、上昇気流は、縦目地部分の温度上昇
を上昇気流の熱搬送・放熱作用により抑制するよう機能
し、縦目地30近傍の温度上昇を抑制する上で有利に作
用する。
FIG. 7B is an enlarged cross-sectional view of the vertical joint 30. FIG. 7B illustrates a state in which a refractory joint material 40 having a hat-shaped cross section is inserted into the vertical joint 30. The refractory joint 40 is formed of a rust-proof steel plate or a decorative steel plate having a thickness of 0.3 to 0.5 mm, for example, a bent product of a zinc iron plate having a thickness of 0.3 mm, and has a uniform hat shape (cap) over its entire length. Mold). The refractory joint material 40 is a vertical joint 3
It includes a pair of legs 41 extending left and right and a ridge 42 located in the vertical joint 30. The left and right legs 41 of the refractory joint 40 are interposed between the base board 2 and the decorative board 3 and are sandwiched between the boards 2 and 3. In actual construction, the refractory joint material 40 is positioned on the vertical joint 30 when overlaying the decorative board 3 on the base board 2,
The edge of the decorative board 3 is pressed onto the base board 2. If desired, an adhesive or an adhesive may be applied to the legs 41 and the legs 41 may be bonded to the boards 2 and 3. The ridge 42 located at the center slightly rises from the surface of the board 2, but the surface of the ridge 42 constituting the joint bottom is recessed into the joint still at a distance from the surface layer of the decorative board 3, Therefore, the open joint form of the vertical joint 30 does not impair the design property by the provision of the fireproof joint material 40. At the same time, when the raised portion 42 is retracted from the surface finish 4, an indoor-side vertical passage 45 is formed on the indoor side of the raised portion 42, and the zinc iron plate is raised, so that the interior between the raised portion 42 and the base board 2 is formed. A vertical passage 46 is formed. The long refractory joint material 40 is continuous from the floor slab F1 to the upper floor slab F2 and extends over the entire height of the partition wall 1. The intersection between the horizontal joint 20 and the vertical joint 30 is closed by the fireproof joint material 40 and is substantially completely hidden from the indoor side. Therefore, even if a fire occurs in one of the chambers and the partition wall 1 is heated, the hot air at the time of the fire does not leak from the joint intersection 25 to the other room, and the back surface of the partition wall 1 is not heated. Does not affect the temperature (wall temperature of the room on the opposite side of the fire room). Therefore, by providing the refractory joint material 40 at the joint intersection 25, it is possible to prevent a local high-temperature region from being formed near the joint intersection 25. Further, in the vertical passages 45 and 46, an upward airflow is generated when the wall surface temperature rises, and the upward airflow functions to suppress the temperature rise in the vertical joint portion by the heat transfer / radiation action of the upward airflow, and the vicinity of the vertical joint 30 Works advantageously in suppressing the temperature rise of

【0041】図8乃至図10は、水平部材の変形例を示
す拡大断面図であり、壁及び天井の納まり詳細が各図に
示されている。
FIGS. 8 to 10 are enlarged sectional views showing modified examples of the horizontal member, and details of fitting of the wall and the ceiling are shown in each figure.

【0042】上述の実施例では、上側及び下側化粧ボー
ド3a、3bの接合部(目地14)を跨がる水平部材と
して水平帯板15を使用したが、図8に示す実施例で
は、同様な機能を果たす水平部材として、壁面及び天井
面の接合部に配置されたピクチュアレール16が使用さ
れる。ピクチュアレール16は、壁面と天井面との接合
部に取付けられ、天井仕上材5と上側化粧ボード3aと
の見切縁として機能するとともに、目地14および目地
近傍のビス9を室内側から隠蔽するビス頭隠蔽手段とし
て機能する。なお、ピクチュアレール16は、壁面に沿
って連続する案内溝16aを備え、案内溝16aには、
絵画又写真等を壁面に懸吊する懸吊具や、照明器具等の
支持具(図示せず)が使用時に係合する。
In the above-described embodiment, the horizontal strip 15 is used as a horizontal member that straddles the joint (joint 14) between the upper and lower decorative boards 3a, 3b. However, in the embodiment shown in FIG. A picture rail 16 disposed at a joint between a wall surface and a ceiling surface is used as a horizontal member that performs various functions. The picture rail 16 is attached to a joint between the wall surface and the ceiling surface, functions as a parting edge between the ceiling finishing material 5 and the upper decorative board 3a, and conceals the joints 14 and the screws 9 near the joints from the indoor side. Functions as head hiding means. The picture rail 16 includes a guide groove 16a that is continuous along the wall surface.
At the time of use, a hanging tool for hanging a picture or a photograph on a wall surface or a support tool (not shown) such as a lighting fixture is engaged.

【0043】図9及び図10に示す実施例では、壁面及
び天井面の接合部に配置された方形断面の廻り縁18、
或いは、曲面19aを備えた廻り縁19が、上側及び下
側化粧ボード3a、3bの接合部(目地14)を跨がる
水平部材として、壁面と天井面との接合部に取付けら
れ、目地14および目地近傍のビス9を室内側から隠蔽
する。
In the embodiment shown in FIGS. 9 and 10, the peripheral edge 18 of a rectangular cross section arranged at the junction of the wall surface and the ceiling surface,
Alternatively, the surrounding edge 19 having the curved surface 19a is attached to the joint between the wall surface and the ceiling surface as a horizontal member that straddles the joint (joint 14) between the upper and lower decorative boards 3a, 3b. And the screw 9 near the joint is hidden from the room side.

【0044】図11は、上側及び下側化粧ボード3a、
3bの接合部(目地14)の位置を天井面よりも上方に
設定した実施例を示す壁及び天井の取合い部分の拡大断
面図である。
FIG. 11 shows the upper and lower decorative boards 3a,
It is an expanded sectional view of the joint part of the wall and ceiling which shows the Example which set the position of the joint part (joint 14) of 3b above the ceiling surface.

【0045】前述の実施例では、目地14を天井面の下
方に設定したが、本発明によれば、目地14の位置(レ
ベル)を天井面の上方に設定することも可能である。図
11に示す実施例においては、先ず、上側化粧ボード3
aが下地ボード2上に固定され(図11A)、次いで、
天井軽鉄下地Cが天井領域に施工され、天井仕上材5が
天井軽鉄下地Cに取付けられ(図11B)、しかる後、
下側化粧ボード3bが下地ボード2上に取付けられる
(図11C)。
In the above-described embodiment, the joint 14 is set below the ceiling surface. However, according to the present invention, the position (level) of the joint 14 can be set above the ceiling surface. In the embodiment shown in FIG.
a is fixed on the base board 2 (FIG. 11A),
The ceiling light iron base C is installed in the ceiling area, and the ceiling finishing material 5 is attached to the ceiling light iron base C (FIG. 11B).
The lower decorative board 3b is mounted on the base board 2 (FIG. 11C).

【0046】図11(B)に示すように、上側化粧ボー
ド3aの下端縁16近傍には、上側化粧ボード3aを下
地ボード2に固定するためのビス9が螺込まれる。図1
1(C)に示すように、下地ボード3bの上縁部は、天
井仕上材5の縁部と上側化粧ボード3aとの間に形成さ
れた間隙50に下側から挿入される。下側化粧ボード3
bは、裏面に塗布した接着剤により下地ボード2に接着
されるとともに、ビス9をボード3bの上端縁及び下端
縁近傍に所定間隔に螺子込みむことにより、下地ボード
2上に堅固に固定される。下側化粧ボード3bの上縁部
近傍に打ち込んだビス9のビス頭は、廻り縁18等の水
平部材によって室内側から隠蔽される。
As shown in FIG. 11B, a screw 9 for fixing the upper decorative board 3a to the base board 2 is screwed near the lower end edge 16 of the upper decorative board 3a. FIG.
As shown in FIG. 1 (C), the upper edge of the base board 3b is inserted from below into a gap 50 formed between the edge of the ceiling finishing material 5 and the upper decorative board 3a. Lower decorative board 3
b is adhered to the base board 2 with an adhesive applied to the back surface, and is firmly fixed on the base board 2 by screwing screws 9 in the vicinity of the upper and lower edges of the board 3b at predetermined intervals. You. The screw head of the screw 9 driven into the vicinity of the upper edge of the lower decorative board 3b is concealed from the indoor side by a horizontal member such as the surrounding edge 18.

【0047】好ましくは、目地14の位置(レベル)
は、天井仕上材5及び天井野縁5bの厚さ(高さ)範囲
D内に設定される。これにより、間隙50内に下側化粧
ボード3bを挿入する際の作業性が向上するとともに、
ビス9の中心線Eと下側化粧ボード3bの上縁との間の
距離Fが、上縁の熱変形及びこれに伴う耐火性能の局部
的劣化を確実に防止し得る適正な寸法範囲内に規制され
る。
Preferably, the position (level) of the joint 14
Is set within the thickness (height) range D of the ceiling finishing material 5 and the ceiling edge 5b. Thereby, workability at the time of inserting the lower decorative board 3b into the gap 50 is improved,
The distance F between the center line E of the screw 9 and the upper edge of the lower decorative board 3b is within an appropriate dimensional range capable of reliably preventing thermal deformation of the upper edge and local deterioration of fire resistance performance associated therewith. Be regulated.

【0048】以上、本発明の好適な実施例について詳細
に説明したが、本発明は上記実施例に限定されるもので
はなく、特許請求の範囲に記載された本発明の範囲内で
種々の変形又は変更が可能であり、該変形例又は変更例
も又、本発明の範囲内に含まれるものであることは、い
うまでもない。
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above-described embodiments, and various modifications may be made within the scope of the present invention described in the appended claims. It is needless to say that the modification or the modification is also included in the scope of the present invention.

【0049】例えば、下地ボード及び化粧ボードの素材
は、耐火間仕切壁の面材として使用可能な耐火性及び不
燃性を備えたものであれば良く、上述した石膏ボード、
石膏板、珪酸カルシウム板等に限定されるものではな
い。
For example, the material of the base board and the decorative board may be any material having fire resistance and non-combustibility that can be used as a face material of a fire-resistant partition wall.
It is not limited to a gypsum board, a calcium silicate board, etc.

【0050】また、前述の実施例は、壁芯位置にスタッ
ドを配置したシングル配列の間仕切壁に関するものであ
るが、壁芯の両側に2列にスタッドを整列配置したダブ
ル配列の間仕切壁に本発明の構成を採用しても良い。
The above-described embodiment relates to a single-arrangement partition wall in which studs are arranged at the center of the wall, but the present invention is applied to a double-arrangement partition wall in which studs are arranged in two rows on both sides of the wall core. The configuration of the invention may be adopted.

【0051】[0051]

【発明の効果】以上説明した如く、本発明の上記構成に
よれば、上下の水平耐火区画の間に延びる耐火構造の間
仕切壁の施工方法において、天井施工時に壁面を格別に
養生することなく、耐火間仕切壁を構成する建材ボード
として内装化粧板を使用し得る耐火間仕切壁及びその施
工方法が提供される。
As described above, according to the above-described structure of the present invention, in the method for constructing a partition wall of a fireproof structure extending between upper and lower horizontal fireproof sections, the wall surface is not particularly cured at the time of ceiling construction. Provided are a fire-resistant partition wall capable of using an interior decorative board as a building material board constituting the fire-resistant partition wall, and a construction method thereof.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る耐火間仕切壁の構造を示す縦断面
図である。
FIG. 1 is a longitudinal sectional view showing the structure of a fire-resistant partition wall according to the present invention.

【図2】図1に示す耐火間仕切壁の斜視図である。FIG. 2 is a perspective view of the fire-resistant partition shown in FIG.

【図3】図1及び図2に示す間仕切壁の施工工程を示す
壁体の概略正面図である。
FIG. 3 is a schematic front view of a wall showing a step of constructing a partition wall shown in FIGS. 1 and 2;

【図4】図3に示す作業工程における間仕切壁の縦断面
図である。
FIG. 4 is a longitudinal sectional view of the partition wall in the operation step shown in FIG. 3;

【図5】図3に示す工程に後続する間仕切壁の施工工程
を示す概略正面図である。
FIG. 5 is a schematic front view showing a partition wall construction step subsequent to the step shown in FIG. 3;

【図6】図5に示す作業工程における間仕切壁の縦断面
図である。
6 is a vertical sectional view of the partition wall in the operation step shown in FIG.

【図7】本発明の耐火間仕切壁に関する他の実施例を示
す斜視図及び縦目地部の拡大横断面図である。
FIG. 7 is a perspective view showing another embodiment of the fire-resistant partition wall of the present invention and an enlarged cross-sectional view of a vertical joint.

【図8】水平部材の構造を例示する拡大断面図である。FIG. 8 is an enlarged cross-sectional view illustrating the structure of the horizontal member.

【図9】他の水平部材の構造を例示する拡大断面図であ
る。
FIG. 9 is an enlarged cross-sectional view illustrating the structure of another horizontal member.

【図10】更に他の水平部材の構造を例示する拡大断面
図である。
FIG. 10 is an enlarged sectional view illustrating the structure of still another horizontal member.

【図11】上側及び下側化粧ボードの接合部の位置を天
井面よりも上方に設定した実施例を示す壁及び天井の取
合い部分の拡大断面図である。
FIG. 11 is an enlarged cross-sectional view of a portion where a wall and a ceiling are joined, showing an embodiment in which the position of the joint between the upper and lower decorative boards is set above the ceiling surface.

【符号の説明】[Explanation of symbols]

1 間仕切壁 2 下地ボード 3 化粧ボード 4 仕上表面 5 天井仕上材 7 巾木 9 ビス 10 鋼製スタッド 11 床ランナ 12 天井ランナ 14 目地 15、17、18、19 水平部材 D 厚さ(高さ)範囲 DESCRIPTION OF SYMBOLS 1 Partition wall 2 Base board 3 Decorative board 4 Finishing surface 5 Ceiling finishing material 7 Baseboard 9 Screw 10 Steel stud 11 Floor runner 12 Ceiling runner 14 Joints 15, 17, 18, 19 Horizontal member D Thickness (height) range

───────────────────────────────────────────────────── フロントページの続き (72)発明者 中谷 晃 東京都足立区江北2−1−1 吉野石膏株 式会社商品開発部内 (72)発明者 山片 浩司 東京都足立区江北2−1−1 吉野石膏株 式会社商品開発部内 Fターム(参考) 2E001 DE01 EA01 FA07 FA10 FA11 FA14 FA53 FA63 FA71 GA12 GA42 GA55 GA59 HA01 HA02 HA03 HA21 HB02 KA08 LA01 LA04 LA12 MA02 MA06 2E110 AA02 AB04 AB23 AB36 BA03 DC12 DC21 DD12 GA33W GA33Y GB16W  ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Akira Nakatani 2-1-1 Eboku, Adachi-ku, Tokyo Yoshino Gypsum Co., Ltd. Product Development Department (72) Inventor Koji 2-1-1 Ekita, Adachi-ku, Tokyo Yoshino Gypsum Co., Ltd. Product Development Dept.

Claims (9)

【特許請求の範囲】[Claims] 【請求項1】 上下の水平耐火区画の間に延びる耐火構
造の間仕切壁の施工方法において、 前記水平耐火区画の間に延びる垂直な軸組部材を壁芯に
沿って整列配置し、 下地面材を構成する下地ボードを前記垂直軸組部材に固
定して、前記水平耐火区画の間に連続的に延びる下地面
を形成し、 仕上面材を構成する第1化粧ボードを前記下地面の上部
に取付け、 第1化粧ボードの施工後に天井仕上材を施工し、 仕上面材を構成する第2化粧ボードを天井仕上材の施工
後に前記下地面の下部に取付ける工程を含み、 前記第1化粧ボードの上端縁は、上側の水平耐火区画に
達し、前記第2化粧ボードの上端縁は、前記第1化粧ボ
ードの下端縁と接合することを特徴とする間仕切壁の施
工方法。
1. A method for constructing a partition wall of a fire-resistant structure extending between upper and lower horizontal fire-resistant sections, wherein a vertical frame member extending between the horizontal fire-resistant sections is arranged and arranged along a wall core. The base board constituting the above is fixed to the vertical assembly member to form a base surface extending continuously between the horizontal fireproof sections, and the first decorative board forming the surface finish material is provided on the upper part of the base surface. Mounting, after the construction of the first decorative board, a ceiling finishing material is constructed, and a step of attaching a second decorative board constituting a finishing surface material to a lower portion of the base surface after the ceiling finishing material is constructed, An upper edge reaches an upper horizontal refractory section, and an upper edge of the second decorative board is joined to a lower edge of the first decorative board.
【請求項2】 前記第1化粧ボードの下端縁は、天井面
と同一レベル又は天井仕上材よりも下方に位置決めさ
れ、前記天井仕上材は、その縁部が第1化粧ボードに接
合するように施工されることを特徴とする請求項1に記
載の施工方法。
2. A lower end edge of the first decorative board is positioned at the same level as a ceiling surface or below a ceiling finishing material, and the ceiling finishing material has an edge joined to the first decorative board. The construction method according to claim 1, wherein the construction is performed.
【請求項3】 前記第1化粧ボードの下端縁は、天井面
よりも上方に位置決めされ、前記第1及び第2化粧ボー
ドの接合部は、天井仕上材及び天井野縁の厚さ範囲
(D)内に設定されることを特徴とする請求項1に記載
の施工方法。
3. A lower end edge of the first decorative board is positioned above a ceiling surface, and a joint between the first and second decorative boards is a thickness range (D) of a ceiling finishing material and a ceiling edge. The method according to claim 1, wherein the value is set in (1).
【請求項4】 前記第2化粧ボードの上端縁と、前記第
1化粧ボードの下端縁とは、突付け目地、目透かし目地
又はシール材充填目地を介して接合することを特徴とす
る請求項1乃至3のいずれか1項に記載の施工方法。
4. An upper end edge of the second decorative board and a lower end edge of the first decorative board are joined via a butt joint, an openwork joint or a seal material filling joint. The construction method according to any one of items 1 to 3.
【請求項5】 前記天井仕上材は、廻り縁、突付け目
地、目透かし目地又はシール材充填目地を介して前記第
1化粧ボードと接合することを特徴とする請求項2に記
載の施工方法。
5. The construction method according to claim 2, wherein the ceiling finishing material is joined to the first decorative board via a peripheral edge, a perforated joint, a blind joint, or a sealing material filled joint. .
【請求項6】 前記第1化粧ボードと第2化粧ボードと
の接合目地を跨がる水平部材を該接合部の室内側面に取
付け、前記化粧ボードを前記下地ボードに固定するため
の係止具の露出部分を隠蔽することを特徴とする請求項
2又は5に記載の施工方法。
6. A locking member for attaching a horizontal member that straddles a joint between the first decorative board and the second decorative board to an indoor side surface of the joint, and fixing the decorative board to the base board. The construction method according to claim 2, wherein the exposed portion is concealed.
【請求項7】 前記下地ボードは、長手方向に延びる側
縁部が前記軸組部材と直交するように配向され、前記化
粧ボードは、長手方向に延びる側縁部が前記軸組部材と
平行に配向されることを特徴とする請求項1乃至6のい
ずれか1項に記載の施工方法。
7. The base board is oriented such that a side edge extending in a longitudinal direction is orthogonal to the frame member, and the decorative board has a side edge extending in a longitudinal direction parallel to the frame member. The construction method according to any one of claims 1 to 6, wherein the orientation is performed.
【請求項8】 前記化粧ボードの縦目地には、金属材料
又は耐火材が充填されることを特徴とする請求項1乃至
7のいずれか1項に記載の施工方法。
8. The method according to claim 1, wherein a vertical joint of the decorative board is filled with a metal material or a refractory material.
【請求項9】 請求項1乃至8のいずれか1項に記載の
施工方法により施工された耐火間仕切壁。
9. A fire-resistant partition wall constructed by the construction method according to claim 1. Description:
JP2001302137A 2001-04-05 2001-09-28 Fireproof partition wall and its construction method Expired - Lifetime JP4049564B2 (en)

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