JP2013014997A - Fireproof panel - Google Patents

Fireproof panel Download PDF

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JP2013014997A
JP2013014997A JP2011150200A JP2011150200A JP2013014997A JP 2013014997 A JP2013014997 A JP 2013014997A JP 2011150200 A JP2011150200 A JP 2011150200A JP 2011150200 A JP2011150200 A JP 2011150200A JP 2013014997 A JP2013014997 A JP 2013014997A
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heat insulating
insulating material
fireproof panel
fireproof
plate
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JP5965112B2 (en
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Masashi Goto
昌司 後藤
Morihiro Matsumoto
守弘 松本
Makio Taniguchi
真紀雄 谷口
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Nippon Steel Coated Sheet Corp
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Nippon Steel and Sumikin Coated Sheet Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a fireproof panel that is superior in fire resistance efficiency and also has high strength without impairing flat appearance.SOLUTION: The fireproof panel A is formed by packing a core material 3 between two metal outer skins 1 and 2. The core material 3 is constituted by stacking a first heat insulating material 4a, a plate 5 of a fire resistant material and a second heat insulating material 4b in a thickness direction of the core material 3, in this order.

Description

本発明は、ビルや住宅などの外壁や間仕切り壁などを形成するための耐火パネルに関する。   The present invention relates to a fireproof panel for forming an outer wall or partition wall of a building or a house.

従来、二枚の金属外皮の間に芯材を充填すると共に石膏ボードやケイ酸カルシウム板（無機硬質材）、ロックウール（無機質繊維材）等の耐火材板を備えたサンドイッチパネルにより、断熱性と耐火性とを兼ね備えた耐火パネルが知られている。そして、このような耐火パネルの強度を向上させることも種々検討されており、例えば、表面側の金属外皮を断面凹凸形状に形成する方法が提案されている（例えば、特許文献１等を参照）。   Conventionally, a sandwich panel with a core material filled between two metal shells and a refractory material plate such as gypsum board, calcium silicate plate (inorganic hard material), rock wool (inorganic fiber material), etc. Fire-resistant panels that combine fire resistance and fire resistance are known. Various attempts have been made to improve the strength of such a fireproof panel. For example, a method of forming a metal shell on the surface side in a concavo-convex shape has been proposed (see, for example, Patent Document 1). .

特開平１０−１９６００９号公報Japanese Patent Laid-Open No. 10-196209

しかし、上記のような耐火パネルでは、耐火パネルの表面が凹凸に形成されるために施工に手間がかかる上、壁面や天井面等をフラットな外観にすることができないという問題があった。また、上記耐火パネルでは、両端部に耐火性の材料を配置させることで、耐火パネルの耐火性能を向上させているが、この場合、耐火パネルの幅方向に対する耐火性能が充分ではなく、そのため耐火パネル全体としては耐火性能に課題があるものであった。   However, in the fireproof panel as described above, since the surface of the fireproof panel is formed with irregularities, it takes time for construction, and the wall surface, ceiling surface, and the like cannot be made flat. Further, in the above fireproof panel, the fireproof performance of the fireproof panel is improved by arranging fireproof materials at both ends, but in this case, the fireproof performance in the width direction of the fireproof panel is not sufficient, and therefore fireproof The panel as a whole had problems with fire resistance.

本発明は上記の点に鑑みてなされたものであり、耐火性能に優れる共にフラットな外観を損なわず、高い強度を有する耐火パネルを提供することを目的とするものである。   This invention is made | formed in view of said point, and it aims at providing the fireproof panel which is excellent in fireproof performance, and does not impair a flat external appearance, and has high intensity | strength.

本発明に係る耐火パネルは、二枚の金属外皮の間に芯材が充填されて成る耐火パネルにおいて、前記芯材は第１の断熱材と、耐火材板と、第２の断熱材とがこの順に前記芯材の厚み方向に積層されて構成されて成ることを特徴とする。   The fireproof panel according to the present invention is a fireproof panel in which a core material is filled between two metal shells, and the core material includes a first heat insulating material, a fire resistant material plate, and a second heat insulating material. It is characterized by being laminated in this order in the thickness direction of the core material.

また、前記耐火材板は金属板であることが好ましい。   The refractory plate is preferably a metal plate.

また、前記第１の断熱材又は前記第２の断熱材のうち少なくとも一方は無機系断熱材であることが好ましい。   Further, it is preferable that at least one of the first heat insulating material and the second heat insulating material is an inorganic heat insulating material.

また、前記無機系断熱材と隣接する金属外皮に複数の貫通孔が形成されていることが好ましい。   Moreover, it is preferable that a plurality of through holes are formed in the metal outer skin adjacent to the inorganic heat insulating material.

本発明の耐火パネルは、芯材が第１の断熱材と、耐火材板と、第２の断熱材とがこの順に前記芯材の厚み方向に積層されて構成されることで、耐火性能に優れる共にフラットな外観を損なうことなく高い強度を有するものとなる。   In the fireproof panel of the present invention, the core material is configured by laminating the first heat insulating material, the fireproof material plate, and the second heat insulating material in this order in the thickness direction of the core material. It is excellent and has high strength without impairing the flat appearance.

本発明の実施の形態の一例を示し、（ａ）はその斜視図、（ｂ）はその水平断面図、（ｃ）はその側面視断面図である。An example of embodiment of this invention is shown, (a) is the perspective view, (b) is the horizontal sectional view, (c) is the side view sectional drawing. 本発明の他の実施の形態の一例を示す断面図である。It is sectional drawing which shows an example of other embodiment of this invention. 同上の他の実施の形態の一例を示す断面の斜視図である。It is a perspective view of the cross section which shows an example of other embodiment same as the above.

以下、本発明を実施するための形態を説明する。   Hereinafter, modes for carrying out the present invention will be described.

図１は本発明の耐火パネルＡの一例を示しており、（ａ）は耐火パネルＡの斜視図を示しており、図１（ｂ）は（ａ）におけるａ−ａ断面図、図１（ｃ）は（ａ）におけるｂ−ｂ断面図を示している。本発明の耐火パネルＡは、二枚の金属外皮１、２の間に、芯材３が充填された、いわゆるサンドイッチパネルとして形成されている。   FIG. 1 shows an example of the fireproof panel A of the present invention, (a) shows a perspective view of the fireproof panel A, FIG. 1 (b) is a cross-sectional view taken along the line aa in FIG. c) is a cross-sectional view taken along line bb in (a). The fireproof panel A of the present invention is formed as a so-called sandwich panel in which a core material 3 is filled between two metal shells 1 and 2.

二枚の金属外皮１、２は、例えば、亜鉛めっき鋼板、塗装鋼板、ガルバリウム鋼板（登録商標）、ステンレス鋼板、アルミニウム鋼板、チタン板等の金属板を、ロール成形加工や曲げ加工等で所望の形状に成形することにより得ることができる。また、金属外皮１、２の厚みはいずれも、例えば、０．２〜２．０ｍｍにすることができる。一方の金属外皮１は表面板として形成され、他方の金属外皮２は裏面板として形成されている。本発明の耐火パネルＡを、例えば、建物の外装材として用いる場合、表面板を建物の屋外側に向け、裏面板を屋内側に向けるようにして施工することができる。   The two metal shells 1 and 2 are made of, for example, a galvanized steel plate, a coated steel plate, a Galvalume steel plate (registered trademark), a stainless steel plate, an aluminum steel plate, a titanium plate, etc. It can be obtained by molding into a shape. Moreover, the thickness of the metal shells 1 and 2 can be set to 0.2 to 2.0 mm, for example. One metal skin 1 is formed as a front plate, and the other metal skin 2 is formed as a back plate. When the fireproof panel A of the present invention is used as, for example, a building exterior material, the fireproof panel A can be applied with the front panel facing the outdoor side of the building and the back panel facing the indoor side.

芯材３は、断熱材４（４ａ、４ｂ）と耐火材板５とで構成されている。さらに具体的に説明すると、芯材３は、第１の断熱材４ａと、耐火材板５と、第２の断熱材４ｂとがこの順に、芯材３の厚み方向に積層されて形成されたものであり、図１では、表面板である金属外皮１からその順となっている。   The core material 3 includes a heat insulating material 4 (4a, 4b) and a refractory material plate 5. More specifically, the core material 3 is formed by laminating a first heat insulating material 4a, a refractory material plate 5, and a second heat insulating material 4b in this order in the thickness direction of the core material 3. In FIG. 1, the order is from the metal skin 1 which is a surface plate.

芯材３の寸法は、例えば、長さが３００〜１００００ｍｍ、幅が３００〜１５００ｍｍ、厚みが２０〜１２０ｍｍに形成されたものを使用できるが、これらに限定されるものではない。   Although the dimension of the core material 3 can use the thing formed in length 300-10000 mm, width 300-1500 mm, and thickness 20-120 mm, for example, It is not limited to these.

第１の断熱材４ａ及び第２の断熱材４ｂは、例えば、ロックウール、グラスウールやセラミックファイバー等の繊維状無機材料を細長いブロック状（角棒状や板状体）に切り出して成形された無機系断熱材であって、これを単独もしくは複数配設して接着させたもの、あるいは、ウレタンフォームやスチレンフォームやフェノールフォームやポリイソシアヌレートフォーム等の常温で液状の樹脂材料を発泡させて形成される樹脂断熱材を用いることができる。また、樹脂断熱材は、あらかじめ成形させた成形ボードを接着させて形成させても良い。   The first heat insulating material 4a and the second heat insulating material 4b are, for example, inorganic materials formed by cutting a fibrous inorganic material such as rock wool, glass wool or ceramic fiber into an elongated block shape (square bar shape or plate shape). A heat insulating material, which is formed by adhering one or more of them, or formed by foaming a liquid resin material at room temperature such as urethane foam, styrene foam, phenol foam or polyisocyanurate foam. A resin heat insulating material can be used. Further, the resin heat insulating material may be formed by bonding a pre-formed molding board.

第１の断熱材４ａと第２の断熱材４ｂとは、互いに同じ種類のものであってもよいし、異なる種類のものであってもよい。例えば、後述するように、一方の断熱材４がロックウール等の無機系断熱材、他方の断熱材４が樹脂断熱材のような組み合わせでもよい。   The first heat insulating material 4a and the second heat insulating material 4b may be of the same type or different types. For example, as described later, one heat insulating material 4 may be a combination such as an inorganic heat insulating material such as rock wool, and the other heat insulating material 4 may be a resin heat insulating material.

第１の断熱材４ａ及び第２の断熱材４ｂは、耐火パネルＡの断熱性能を損なわないようにするために、芯材３の長手方向及び厚み方向の略全長に亘って設けられていることが好ましい。また、第１の断熱材４ａ及び第２の断熱材４ｂの厚み寸法は、互いに同じ厚みでもよいし、異なる厚みであってもよく、例えば、いずれも１０〜６０ｍｍとすることができる。   The first heat insulating material 4a and the second heat insulating material 4b are provided over substantially the entire length in the longitudinal direction and the thickness direction of the core material 3 so as not to impair the heat insulating performance of the fireproof panel A. Is preferred. Moreover, the thickness dimension of the 1st heat insulating material 4a and the 2nd heat insulating material 4b may be the same thickness mutually, and different thickness, for example, all can be 10-60 mm.

耐火材板５は、第１の断熱材４ａ及び第２の断熱材４ｂよりも燃焼性が低い材料、すなわち燃えにくい材料を使用する。具体的な耐火材板５としては、亜鉛めっき鋼板、塗装鋼板、ガルバリウム鋼板（登録商標）、ステンレス鋼板、アルミニウム鋼板、チタン板等の金属板等が挙げられ、このような金属板は、上記で例示した断熱材４よりも燃焼性が小さいものであり、耐火材板５として有効である。一方、第１の断熱材４ａ及び第２の断熱材４ｂよりも燃焼性が低い材料であれば、上記金属板以外にも、例えば、硫酸カルシウム２水和物を主成分とする石膏ボードや珪酸カルシウム板等も使用できる。尚、耐火材板５の燃焼性については、例えば、ＪＩＳ Ａ１３２１やＵＬ９４燃焼性試験法等で評価することができる。   The refractory material plate 5 is made of a material having lower combustibility than the first heat insulating material 4a and the second heat insulating material 4b, that is, a material that hardly burns. Specific examples of the refractory plate 5 include galvanized steel plates, coated steel plates, Galvalume steel plates (registered trademark), stainless steel plates, aluminum steel plates, metal plates such as titanium plates, and the like. It is less flammable than the illustrated heat insulating material 4 and is effective as the refractory material plate 5. On the other hand, if the material has lower combustibility than the first heat insulating material 4a and the second heat insulating material 4b, in addition to the metal plate, for example, gypsum board mainly composed of calcium sulfate dihydrate or silicic acid A calcium plate or the like can also be used. The flammability of the refractory plate 5 can be evaluated by, for example, JIS A1321 or UL94 flammability test method.

耐火材板５の厚みは、特に限定されるものではないが、例えば、０．２〜２．０ｍｍにすることができ、この範囲であれば、耐火パネルＡの断熱性、耐火性が損なわれにくくなり、また、耐火パネルＡの強度も損なわれるおそれも小さくなる。また、耐火材板５の長手及び短手寸法は、第１の断熱材４ａ及び第２の断熱材４ｂの寸法と略一致していることが好ましい。   The thickness of the refractory plate 5 is not particularly limited, but can be set to, for example, 0.2 to 2.0 mm. If the thickness is within this range, the heat insulation and fire resistance of the refractory panel A are impaired. It becomes difficult to reduce the strength of the fireproof panel A. Moreover, it is preferable that the longitudinal and short dimensions of the refractory material plate 5 substantially coincide with the dimensions of the first heat insulating material 4a and the second heat insulating material 4b.

上記のように、本発明の耐火パネルＡにおいては、芯材３に耐火材板５が第１の断熱材４ａと、第２の断熱材４ｂとの間に介在するように設けられているので、耐火パネルＡの耐火性が優れるものとなる。すなわち、芯材３には、第１の断熱材４ａ及び第２の断熱材４ｂよりも燃えにくい金属板等の耐火材板５が、耐火パネルＡの幅方向及び長手方向の全長に亘って設けられているので、耐火パネルＡの幅方向や長手方向に対する耐火性能に優れるものとなる。   As described above, in the fireproof panel A of the present invention, the fireproof material plate 5 is provided on the core material 3 so as to be interposed between the first heat insulating material 4a and the second heat insulating material 4b. The fire resistance of the fireproof panel A is excellent. That is, the core material 3 is provided with a refractory material plate 5 such as a metal plate that is less flammable than the first heat insulating material 4a and the second heat insulating material 4b over the entire length in the width direction and the longitudinal direction of the fire resistant panel A. Therefore, the fireproof panel A has excellent fireproof performance in the width direction and longitudinal direction.

また、耐火材板５が芯材３の長手方向の略全長に亘って配設されていることで、耐火パネルＡの圧縮強度や曲げ強度、引張り強度等の機械強度に優れるものとなる。特に、耐火材板５が上記金属板等である場合には、耐火パネルＡの長手方向及び幅方向に対する曲げ強度が大きく改善されるものとなる。そのため、耐火パネルＡの運搬時や施工時の耐火パネルＡの破損を防止しやすくなり、ビルや住宅などの外壁や間仕切り壁などに安定して施工することができるものとなる。   In addition, since the refractory material plate 5 is disposed over substantially the entire length of the core material 3 in the longitudinal direction, the refractory panel A has excellent mechanical strength such as compressive strength, bending strength, and tensile strength. In particular, when the refractory plate 5 is the metal plate or the like, the bending strength of the refractory panel A in the longitudinal direction and the width direction is greatly improved. Therefore, it becomes easy to prevent the fireproof panel A from being damaged during transportation or construction of the fireproof panel A, and the fireproof panel A can be stably constructed on an outer wall or a partition wall of a building or a house.

本発明の耐火パネルＡでは、耐火材板５が上記金属板である場合、その片面又は両面にさらに、硫酸カルシウム２水和物を主成分とする石膏ボード等を重ね合わされていてもよく、この場合、耐火パネルＡの耐火性及び機械強度がさらに向上するものとなる。   In the fireproof panel A of the present invention, when the fireproof material plate 5 is the above metal plate, a gypsum board mainly composed of calcium sulfate dihydrate or the like may be further superimposed on one side or both sides thereof. In this case, the fire resistance and mechanical strength of the fireproof panel A are further improved.

耐火パネルＡにおいて、芯材３の四辺の周端部には、耐火性材料８が四辺の周端部の略全長に亘って配置されていてもよく、この場合、耐火パネルＡの耐火性能が一層向上するものとなる。上記耐火性材料８としては、例えば、上述の硫酸カルシウム２水和物を主成分とする石膏や珪酸カルシウム等が使用され得る。   In the refractory panel A, the refractory material 8 may be disposed over the substantially entire length of the peripheral ends of the four sides at the peripheral ends of the four sides of the core material 3. It will be further improved. As the refractory material 8, for example, gypsum, calcium silicate and the like mainly composed of the above-mentioned calcium sulfate dihydrate can be used.

本発明の耐火パネルＡでは上下端部や左右端部の形状は、特に限定されるものでなく、所望の形状に形成され得るものであり、以下にその一例を説明する。   In the fireproof panel A of the present invention, the shapes of the upper and lower end portions and the left and right end portions are not particularly limited and can be formed in a desired shape, and an example thereof will be described below.

金属外皮１、２の左右両側端部の形状は、所望の形状に形成されて良く、図１の実施形態のように、表面板として形成される一方の金属外皮１の端部先端は、屈曲加工されて芯材３の側面の一部を覆うように形成されていても良い。具体的には、金属外皮１の端部先端が屈曲加工され、表面側から前方平坦部１１と、前方凸条部１２と、中央平坦部１０とがこの順に形成されている。前方平坦部１１は、金属外皮１の側部先端が芯材３側へ略垂直に屈曲加工されたものであり、耐火パネルＡの長手方向全長に亘って平坦に形成されている。前方凸条部１２は、前方平坦部１１の先端が外方へ折り返し屈曲加工されたものであり、耐火パネルＡの全長に亘って平面視略Ｕ字状に形成されている。中央平坦部１０は、前方凸条部１２の先端が裏面側へ略垂直に屈曲加工されたものであり、耐火パネルＡの長手方向全長に亘って平坦に形成されている。   The shapes of the left and right side edges of the metal shells 1 and 2 may be formed as desired, and the end of one end of the metal shell 1 formed as a surface plate is bent as in the embodiment of FIG. It may be formed so as to cover a part of the side surface of the core material 3. Specifically, the end of the end portion of the metal shell 1 is bent, and the front flat portion 11, the front convex strip portion 12, and the central flat portion 10 are formed in this order from the surface side. The front flat portion 11 is formed by bending the front end of the side portion of the metal shell 1 substantially perpendicularly toward the core material 3 side, and is formed flat over the entire length of the fireproof panel A in the longitudinal direction. The front ridge portion 12 is formed by bending the front flat portion 11 at the front end and bending outward, and is formed in a substantially U shape in plan view over the entire length of the fireproof panel A. The center flat portion 10 is formed by bending the front end of the front ridge portion 12 substantially perpendicularly to the back surface side, and is formed flat over the entire length of the fireproof panel A in the longitudinal direction.

また、裏面板として形成される他方の金属外皮２の両側端部の形状も、金属外皮１と同様に、金属外皮２の端部先端も屈曲加工されて芯材３の側面の一部を覆うように形成されていても良い。具体的には、金属外皮２の端部先端が屈曲加工され、裏面側から後方凸条部１３と、後方平坦部１４とがこの順に形成されている。後方凸条部１３は、金属外皮２の側部先端の先端が折り返し屈曲加工されたものであり、耐火パネルＡの長手方向全長に亘って平面視略Ｕ字状に形成されている。後方平坦部１４は、後方凸条部１３の先端が表面側へ略垂直に屈曲加工されたものであり、耐火パネルＡの全長に亘って平坦に形成されている。   In addition, the shape of both end portions of the other metal skin 2 formed as the back plate is also bent at the end of the end portion of the metal skin 2 to cover a part of the side surface of the core material 3 in the same manner as the metal skin 1. It may be formed as follows. Specifically, the end of the end portion of the metal skin 2 is bent, and the rear ridge 13 and the rear flat portion 14 are formed in this order from the back side. The rear ridge 13 is formed by bending and bending the tip of the side edge of the metal shell 2, and is formed in a substantially U shape in plan view over the entire length of the fireproof panel A in the longitudinal direction. The rear flat part 14 is formed by bending the front end of the rear ridge part 13 substantially perpendicularly to the surface side, and is formed flat over the entire length of the fireproof panel A.

一方、金属外皮１、２の上下端部も、所望の形状に形成されるものであり、図１（ｃ）に示すように、金属外皮１の上端部先端は、屈曲加工されて芯材３の上面の一部を覆うように形成されていても良い。具体的には、金属外皮１の端部先端が屈曲加工され、表面側から上側平坦部前片１５と、上側凸条部１６とがこの順に形成されている。上側平坦部前片１５は、金属外皮１の上部先端が芯材３側へ略垂直に屈曲加工されたものであり、耐火パネルＡの幅方向の全長に亘って平坦に形成されている。上側凸条部１６は、上側平坦部前片１５の先端が外方へ折り返し屈曲加工されたものであり、耐火パネルＡの幅方向の全長に亘って平面視略Ｕ字状に形成されている。   On the other hand, the upper and lower end portions of the metal shells 1 and 2 are also formed in a desired shape. As shown in FIG. It may be formed so as to cover a part of the upper surface. Specifically, the end of the end portion of the metal shell 1 is bent, and the upper flat portion front piece 15 and the upper protruding portion 16 are formed in this order from the surface side. The upper flat portion front piece 15 is obtained by bending the upper end of the metal shell 1 substantially perpendicularly toward the core member 3 side, and is formed flat over the entire length of the fireproof panel A in the width direction. The upper ridge portion 16 is formed by bending the tip of the upper flat portion front piece 15 outwardly and is formed in a substantially U shape in plan view over the entire length of the fireproof panel A in the width direction. .

また、金属外皮２の端部先端も屈曲加工されて芯材３の上面の一部を覆うように形成されていても良い。具体的には、金属外皮２の上部先端が芯材３側へ略垂直に屈曲加工され、上側平坦部後片１７が、耐火パネルＡの幅方向の全長に亘って平坦に形成されている。   Also, the end of the end portion of the metal shell 2 may be bent so as to cover a part of the upper surface of the core material 3. Specifically, the upper end of the metal skin 2 is bent substantially perpendicularly toward the core material 3, and the upper flat portion rear piece 17 is formed flat over the entire length of the fireproof panel A in the width direction.

尚、金属外皮１、２の下端部も上端部と同様に形成されており、上端部が上下反転した形状となっている。この場合、金属外皮１が屈曲加工されて、表面側から下側平坦部前片１８と、下側凸条部１９とがこの順に形成され、金属外皮２が屈曲加工されて、下側平坦部後片２０が形成されている。   In addition, the lower end part of the metal shells 1 and 2 is formed similarly to the upper end part, and the upper end part has a vertically inverted shape. In this case, the metal skin 1 is bent to form the lower flat portion front piece 18 and the lower convex portion 19 in this order from the surface side, and the metal outer skin 2 is bent to form the lower flat portion. A rear piece 20 is formed.

金属外皮１、２の上下左右端部が上記のような形状に形成されることによって、耐火パネルＡを建物等に施工した場合、隣り合う耐火パネルＡの間の防水性や防火性を高めることができるものとなる。すなわち、耐火パネルＡの端部には上側凸条部１６等の複数の凸条部があることで、裏面側への水の浸入を防止することができ、加えて、火災時の火炎が裏面側へ到達するのを防ぐことができるものとなる。   When the fireproof panel A is constructed in a building or the like by forming the upper, lower, left and right ends of the metal shells 1 and 2 in the shape as described above, the waterproofness and fireproofness between adjacent fireproof panels A are improved. Will be able to. That is, the end of the fireproof panel A has a plurality of ridges such as the upper ridge 16 so that water can be prevented from entering the back side. It is possible to prevent reaching the side.

尚、金属外皮１、２の上下左右端部は上記のような形状に限定されるものではなく、例えば、平坦部のみで形成されるものであったり、他の耐火パネルＡの端部と嵌合できるように形成されるものであったりしても良い。   Note that the upper, lower, left and right end portions of the metal shells 1 and 2 are not limited to the above-described shapes, and for example, are formed only by flat portions or fitted with the end portions of other fireproof panels A. They may be formed so that they can be combined.

図２は、耐火パネルＡの他の実施の形態を示しており、本実施の形態では、第１の断熱材４ａ又は前記第２の断熱材４ｂのうち、第１の断熱材４ａを樹脂断熱材とし、他方の、第２の断熱材４ｂを無機系断熱材にした例を示している。   FIG. 2 shows another embodiment of the fireproof panel A. In the present embodiment, the first heat insulating material 4a or the second heat insulating material 4b out of the first heat insulating material 4a is resin-insulated. In this example, the second heat insulating material 4b is an inorganic heat insulating material.

耐火パネルＡは、上記構成のように、前記第１の断熱材４ａ又は前記第２の断熱材４ｂのうち少なくとも一方が無機系断熱材であることによって、断熱性能及び防火性能の両方の特性に優れるものとなる。すなわち、無機系断熱材は、樹脂系断熱材よりも燃えにくく、かつ、防火性の高いものであるので、耐火パネルＡの防火性能が向上し、樹脂系断熱材は、その独立気泡構造により断熱性が高いものであるので、耐火パネルＡの断熱性が向上するのである。   The fireproof panel A has the characteristics of both heat insulation performance and fireproof performance by having at least one of the first heat insulating material 4a or the second heat insulating material 4b being an inorganic heat insulating material as in the above configuration. It will be excellent. That is, since the inorganic heat insulating material is less flammable than the resin heat insulating material and has a high fire resistance, the fire resistance performance of the fireproof panel A is improved, and the resin heat insulating material is thermally insulated by its closed cell structure. Therefore, the heat insulation property of the fireproof panel A is improved.

本実施の形態の場合、無機系断熱材としては、例えば、厚み２０〜９０ｍｍで密度８０〜２００ｋｇ／ｍ３のロックウールを用いることができ、樹脂系断熱材としては、例えば、厚み１０〜８０ｍｍで密度３５〜６０ｋｇ／ｍ３のポリウレタンフォームを用いることができる。無機系断熱材のロックウールは、樹脂系断熱材のポリウレタンフォームよりも防火性能が高いので、本実施の形態では好適に用いることができるのである。また、ウレタンフォームは、その熱伝導率が、例えば、密度が５０ｋｇ／ｍ３であれば０．０２１６Ｗ／ｍｋであり、無機系断熱材であるロックウールは、その密度が１５０ｋｇ／ｍ３であれば、熱伝導率が０．０４６５Ｗ／ｍｋとなる。そのため、これらのような密度のポリウレタンフォームとロックウールとを組み合わせた場合、耐火パネルＡの断熱性能がより高いものにすることができる。尚、本実施の形態では、表面側に配置された第１の断熱材４ａとして樹脂断熱材、裏面側に配置された第２の断熱材４ｂとして無機系断熱材が使用された場合の例を示しているが、当然、第１の断熱材４ａとして無機系断熱材、第２の断熱材４ｂとして樹脂断熱材が使用されてもよい。 In the case of the present embodiment, as the inorganic heat insulating material, for example, rock wool having a thickness of 20 to 90 mm and a density of 80 to 200 kg / m 3 can be used, and as the resin heat insulating material, for example, the thickness is 10 to 80 mm. A polyurethane foam having a density of 35 to 60 kg / m 3 can be used. Rock wool, which is an inorganic heat insulating material, has higher fireproofing performance than polyurethane foam, which is a resin heat insulating material, and therefore can be suitably used in the present embodiment. The urethane foam has a thermal conductivity of, for example, 0.0216 W / mk when the density is 50 kg / m 3 , and the rock wool, which is an inorganic heat insulating material, has a density of 150 kg / m 3 . In this case, the thermal conductivity is 0.0465 W / mk. Therefore, when the polyurethane foam having such a density and rock wool are combined, the heat insulation performance of the fireproof panel A can be made higher. In this embodiment, an example in which a resin heat insulating material is used as the first heat insulating material 4a disposed on the front surface side and an inorganic heat insulating material is used as the second heat insulating material 4b disposed on the back surface side. Although shown, naturally, an inorganic heat insulating material may be used as the first heat insulating material 4a, and a resin heat insulating material may be used as the second heat insulating material 4b.

図３に示す耐火パネルＡでは、一方の断熱材４（図示では第２の断熱パネル４ｂ）が無機系断熱材である場合に、この無機系断熱材と隣接する金属外皮２に複数の貫通孔６が形成されており、この場合、耐火パネルＡに吸音性能を付与することができる。以下、この実施の形態の耐火パネルＡの詳細について説明する。   In the fireproof panel A shown in FIG. 3, when one heat insulating material 4 (second heat insulating panel 4 b in the drawing) is an inorganic heat insulating material, a plurality of through holes are formed in the metal outer skin 2 adjacent to the inorganic heat insulating material. 6 is formed, and in this case, sound absorption performance can be imparted to the fireproof panel A. Hereinafter, the detail of the fireproof panel A of this embodiment is demonstrated.

貫通孔６は、その孔径が３〜２０ｍｍとすることができる。また、開孔率（金属外皮２の片面の面積全体に対する各貫通孔６の総合計面積の割合）は、３０〜７０％の範囲とすることができる。貫通孔６の孔径、開孔率が上記範囲であれば、充分な吸音性能を有するものとなり、また、耐火性能、断熱性能、機械強度が損なわれるおそれも小さくなる。従って、貫通孔６を形成する個数は、孔径、開孔率の設定範囲に応じて調整することができる。   The through-hole 6 can have a hole diameter of 3 to 20 mm. Moreover, a hole area ratio (ratio of the total area of each through-hole 6 with respect to the whole area of the single side | surface of the metal shell 2) can be made into the range of 30 to 70%. If the hole diameter and the open area ratio of the through-hole 6 are in the above ranges, the sound absorption performance is sufficient, and the risk of impairing the fire resistance performance, heat insulation performance, and mechanical strength is reduced. Therefore, the number of through-holes 6 can be adjusted according to the setting range of the hole diameter and the hole area ratio.

本実施の形態では、上記のように、貫通孔６が形成された金属外皮２と隣接する断熱材４（図３では第２の断熱材４ｂに相当）は、無機系断熱材が使用され、この場合、上記で例示したものと同じ無機系断熱材を挙げることができる。特に、吸音性能が優れるという点で、ロックウールやグラスウール等が好ましい。   In the present embodiment, as described above, an inorganic heat insulating material is used as the heat insulating material 4 (corresponding to the second heat insulating material 4b in FIG. 3) adjacent to the metal outer skin 2 in which the through-hole 6 is formed. In this case, the same inorganic heat insulating materials as those exemplified above can be mentioned. In particular, rock wool, glass wool, and the like are preferable in terms of excellent sound absorption performance.

一方、他方の金属外皮１には、貫通孔６は形成されておらず、図１で説明した金属外皮１と同様のものを使用できる。そして、貫通孔６が形成されていない金属外皮１に隣接する断熱材４（図３では第１の断熱材４ａに相当）は、無機系断熱材、樹脂断熱材のいずれを使用してもよい。尚、この場合の使用可能な無機系断熱材や樹脂断熱材は上記で例示したものと同様のものを使用できる。   On the other hand, the through-hole 6 is not formed in the other metal skin 1, and the same metal skin 1 described in FIG. 1 can be used. And the heat insulating material 4 (equivalent to the 1st heat insulating material 4a in FIG. 3) adjacent to the metal shell 1 in which the through-hole 6 is not formed may use either an inorganic heat insulating material or a resin heat insulating material. . In addition, the thing similar to what was illustrated above can be used for the inorganic type heat insulating material and resin heat insulating material which can be used in this case.

尚、この実施の形態とは逆に、金属外皮１の方に貫通孔６が形成されていてもよく、この場合は、金属外皮１に隣接する第１の断熱材４ａが無機系断熱材となり、他方の金属板２には貫通孔は形成されていないものとなる。   Contrary to this embodiment, the through-hole 6 may be formed in the direction of the metal shell 1, and in this case, the first heat insulating material 4a adjacent to the metal shell 1 becomes an inorganic heat insulating material. The other metal plate 2 has no through hole.

上記のように、一方の断熱材４（第２の断熱材４ｂ）が無機系断熱材であり、この無機系断熱材と隣接する金属外皮２に複数の貫通孔６が形成されていることにより、耐火パネルＡを吸音パネルとして使用することが可能となる。具体的には、この耐火パネルＡを建物の外壁材等に使用する場合、貫通孔６を有する金属外皮２を屋内側、貫通孔６を有しない金属外皮１を屋外側に位置するように耐火パネルＡを設ける。この場合、建物の屋内で発生する騒音は、耐火パネルＡの屋内側の金属外皮２の貫通孔６を介して耐火パネルＡ内に伝達され、この騒音をロックウール等の無機系断熱材が吸音することとなる。そのため、騒音が耐火パネルＡで反射するのを防止でき、屋内の騒音を低減できる。そして、屋内で発生した騒音が耐火パネルＡを介して屋外へ伝達されるのも抑制されるので、屋外への騒音の漏れも低減することができるものである。   As described above, one heat insulating material 4 (second heat insulating material 4b) is an inorganic heat insulating material, and a plurality of through holes 6 are formed in the metal skin 2 adjacent to the inorganic heat insulating material. The fireproof panel A can be used as a sound absorbing panel. Specifically, when this fireproof panel A is used for a building outer wall material or the like, the fireproof so that the metal skin 2 having the through hole 6 is located on the indoor side and the metal skin 1 having no through hole 6 is located on the outdoor side. Panel A is provided. In this case, noise generated inside the building is transmitted into the fireproof panel A through the through-hole 6 of the metal shell 2 on the indoor side of the fireproof panel A, and this noise is absorbed by an inorganic heat insulating material such as rock wool. Will be. Therefore, noise can be prevented from being reflected by the fireproof panel A, and indoor noise can be reduced. And since it is suppressed that the noise which generate | occur | produced indoors is transmitted to the outdoors via the fireproof panel A, the leakage of the noise to the outdoors can also be reduced.

また、冬季のように屋外の気温が屋内側よりも低い場合、芯材３に耐火材板５が設けられていないようなサンドイッチパネルでは、パネル内に侵入した水蒸気が屋外側の金属外皮１に到達したときに、外気で冷やされた金属外皮１によって結露してしまうことがあったが、本実施の形態の耐火パネルＡではそのようなおそれが小さいものである。すなわち、室内の空気中の水蒸気が貫通孔６から耐火パネルＡ内に侵入したとしても、耐火材板５によって第１の断熱材４ａ側への水蒸気の侵入が阻止され、屋外側の金属外皮１への水蒸気の到達が防げるのである。しかも、第１の断熱材４ａの存在によって、屋外側の外気による耐火材板５の温度低下も抑制されているので、耐火材板５で水蒸気が結露するおそれもない。このように、耐火パネルＡ内での結露を防止することもできるので、断熱材４や耐火材板５等の劣化が起こりにくいものとなり、耐火パネルＡの耐久性という点でも優れる。   Further, when the outdoor temperature is lower than the indoor side as in winter, in the sandwich panel in which the refractory plate 5 is not provided on the core material 3, the water vapor that has entered the panel enters the outdoor metal skin 1. When it reaches, there is a case where condensation occurs due to the metal shell 1 cooled by the outside air, but such a fear is small in the fireproof panel A of the present embodiment. That is, even if water vapor in the room air enters the fireproof panel A from the through hole 6, the fireproof material plate 5 prevents the water vapor from entering the first heat insulating material 4a, and the metal skin 1 on the outdoor side. This prevents the water vapor from reaching the water. And since the temperature fall of the refractory material board 5 by the external air of the outdoor side is also suppressed by presence of the 1st heat insulating material 4a, there is no possibility that water vapor | steam will be condensed on the refractory material board 5. FIG. As described above, since condensation in the fireproof panel A can also be prevented, the heat insulating material 4 and the fireproof material plate 5 are hardly deteriorated, and the durability of the fireproof panel A is also excellent.

Ａ 耐火パネル
１ 金属外皮
２ 金属外皮
３ 芯材
４ 断熱材
４ａ 第１の断熱材
４ｂ 第２の断熱材
５ 耐火材
６ 貫通孔 A fireproof panel 1 metal skin 2 metal skin 3 core material 4 heat insulating material 4a first heat insulating material 4b second heat insulating material 5 refractory material 6 through hole

Claims (4)

二枚の金属外皮の間に芯材が充填されて成る耐火パネルにおいて、前記芯材は第１の断熱材と、耐火材板と、第２の断熱材とがこの順に前記芯材の厚み方向に積層されて構成されて成ることを特徴とする耐火パネル。   In a fireproof panel in which a core material is filled between two metal shells, the core material includes a first heat insulating material, a fireproof material plate, and a second heat insulating material in this order in the thickness direction of the core material. A fireproof panel characterized in that it is formed by being laminated on. 前記耐火材板が金属板であることを特徴とする請求項１に記載の耐火パネル。   The fireproof panel according to claim 1, wherein the fireproof material plate is a metal plate. 前記第１の断熱材又は前記第２の断熱材のうち少なくとも一方は無機系断熱材であることを特徴とする請求項１又は２に記載の耐火パネル。   The fireproof panel according to claim 1 or 2, wherein at least one of the first heat insulating material and the second heat insulating material is an inorganic heat insulating material. 前記無機系断熱材と隣接する金属外皮に複数の貫通孔が形成されていることを特徴とする請求項３に記載の耐火パネル。
The fireproof panel according to claim 3, wherein a plurality of through holes are formed in a metal skin adjacent to the inorganic heat insulating material.
JP2011150200A 2011-07-06 2011-07-06 Fireproof panel Active JP5965112B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017166283A (en) * 2016-03-18 2017-09-21 日鉄住金鋼板株式会社 Curtain wall
JP2017193949A (en) * 2016-04-15 2017-10-26 三井住友建設株式会社 Fire-proof structure
JP2018087425A (en) * 2016-11-28 2018-06-07 日鉄住金鋼板株式会社 Panel unit and curtain wall equipped with the same

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JPH01214650A (en) * 1988-02-20 1989-08-29 Yasuichi Imamura Fire resisting furniture or timbering
JPH0681407A (en) * 1992-08-31 1994-03-22 Nippon Steel Corp Metallic sandwich panel excellent in sound absorption
JPH06193158A (en) * 1992-12-25 1994-07-12 Akota:Kk Fire-proof partition panel
JPH08158590A (en) * 1994-12-07 1996-06-18 Kawasaki Steel Corp Architectural fireproof panel
JPH1030290A (en) * 1996-07-18 1998-02-03 Asahi Chem Ind Co Ltd Fireproof sandwich panel
JPH1171837A (en) * 1997-08-29 1999-03-16 Nippon Steel Chem Co Ltd Sound absorbing board, and its manufacture
JP2008255647A (en) * 2007-04-04 2008-10-23 Nippon Steel & Sumikin Coated Sheet Corp Fireproof heat insulation panel

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JPH01214650A (en) * 1988-02-20 1989-08-29 Yasuichi Imamura Fire resisting furniture or timbering
JPH0681407A (en) * 1992-08-31 1994-03-22 Nippon Steel Corp Metallic sandwich panel excellent in sound absorption
JPH06193158A (en) * 1992-12-25 1994-07-12 Akota:Kk Fire-proof partition panel
JPH08158590A (en) * 1994-12-07 1996-06-18 Kawasaki Steel Corp Architectural fireproof panel
JPH1030290A (en) * 1996-07-18 1998-02-03 Asahi Chem Ind Co Ltd Fireproof sandwich panel
JPH1171837A (en) * 1997-08-29 1999-03-16 Nippon Steel Chem Co Ltd Sound absorbing board, and its manufacture
JP2008255647A (en) * 2007-04-04 2008-10-23 Nippon Steel & Sumikin Coated Sheet Corp Fireproof heat insulation panel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017166283A (en) * 2016-03-18 2017-09-21 日鉄住金鋼板株式会社 Curtain wall
JP2017193949A (en) * 2016-04-15 2017-10-26 三井住友建設株式会社 Fire-proof structure
JP2017193950A (en) * 2016-04-15 2017-10-26 三井住友建設株式会社 Fire-proof structure
JP7004949B2 (en) 2016-04-15 2022-01-21 三井住友建設株式会社 Fireproof structure
JP2018087425A (en) * 2016-11-28 2018-06-07 日鉄住金鋼板株式会社 Panel unit and curtain wall equipped with the same

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