JP2001288926A - Slit material for earthquake resistance - Google Patents
Slit material for earthquake resistanceInfo
- Publication number
- JP2001288926A JP2001288926A JP2000103871A JP2000103871A JP2001288926A JP 2001288926 A JP2001288926 A JP 2001288926A JP 2000103871 A JP2000103871 A JP 2000103871A JP 2000103871 A JP2000103871 A JP 2000103871A JP 2001288926 A JP2001288926 A JP 2001288926A
- Authority
- JP
- Japan
- Prior art keywords
- slit material
- earthquake resistance
- wall
- seismic
- slit
- 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.)
- Pending
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鉄筋コンクリート
製建築物の耐震強度を向上させるために、柱と壁又は梁
と壁との接合部付近に埋設される耐震用スリット材に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earthquake-resistant slit material buried near a joint between a column and a wall or a beam and a wall in order to improve the seismic strength of a reinforced concrete building.
【０００２】[0002]
【従来の技術】従来、鉄筋コンクリート製建築物にあっ
ては、その耐震強度を向上させることを目的として、柱
と壁又は梁と壁との接合部付近に耐震用スリット材を埋
設し、地震時における壁の圧縮、引張、擦れ等による応
力を耐震用スリット材で吸収し、柱又は梁に伝搬しない
ようにして、柱又は梁の剪断破壊、脆性破壊を防止する
ようにしている。2. Description of the Related Art Conventionally, in a reinforced concrete building, a slit material for earthquake resistance is buried near a joint between a column and a wall or a joint between a beam and a wall for the purpose of improving the seismic strength. The stress caused by the compression, tension, rubbing, etc. of the wall is absorbed by the slit material for earthquake resistance so as not to propagate to the columns or beams, thereby preventing the shear or brittle fracture of the columns or beams.
【０００３】耐震用スリット材は、板状の芯材の両端部
に支持材を嵌合したものであり、芯材は、発泡ポリエチ
レン、発泡ポリスチレン等を板状に成形したものであ
り、支持材は、硬質塩化ビニル、ポリプロピレン等を所
定形状に成形したものである。耐震用スリット材を柱と
壁又は梁と壁との接合部付近に埋設するには、対向して
立設された型枠間に耐震用スリット材を配置して固定
し、次いで、型枠間にコンクリートを打設し、そして、
コンクリートを所定時間養生した後に型枠を取り外すこ
とによって行なっている。The slit material for earthquake resistance is a plate-shaped core material in which a support material is fitted to both ends of the core material. The core material is formed by molding foamed polyethylene, polystyrene foam, or the like into a plate shape. Is obtained by molding hard vinyl chloride, polypropylene or the like into a predetermined shape. To embed the seismic slit material near the joint between the column and the wall or the beam and the wall, place and fix the seismic slit material between the facing upright formwork, Cast concrete in
After curing the concrete for a predetermined time, the mold is removed.
【０００４】[0004]
【発明が解決しようとする課題】鉄筋コンクリート製建
築物の施工においては、型枠間にコンクリートを打設す
るまでには、鉄筋等を溶接する作業等も行なわれる。そ
の際に、溶接等による火花が耐震用スリット材に接触す
ると、芯材は特に可燃性の高い材料からできているた
め、溶融したり、燃焼したりする虞れがあり、さらに、
耐震用スリット材に近接している木製の型枠に延焼する
虞れもあった。In the construction of a reinforced concrete building, work such as welding of reinforcing bars is performed before concrete is poured between the formwork. At that time, if sparks caused by welding or the like come into contact with the slit material for seismic resistance, the core material is made of a highly flammable material, and may be melted or burned.
There was also a risk of fire spreading on a wooden formwork that was close to the slit material for earthquake resistance.
【０００５】本発明は、かかる従来における問題点に鑑
みて為されたものであり、その目的とするところは、溶
接等による火花が接触しても、容易に溶融したり、燃焼
したりしない耐震用スリット材を提供することにある。The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a seismic device which does not easily melt or burn even when sparks caused by welding or the like come into contact with it. To provide a slit material.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、本発明の耐震用スリット材は、芯材の表面に防火用
シートを貼着したことを特徴とする。In order to achieve the above object, the earthquake-resistant slit material of the present invention is characterized in that a fire prevention sheet is attached to the surface of a core material.
【０００７】前記防火用シートは、溶接作業等の行なわ
れる側を考慮して、前記芯材の両側表面に貼着してもよ
い。The fire prevention sheet may be attached to both surfaces of the core in consideration of a side on which a welding operation or the like is performed.
【０００８】前記防火用シートをアルミニウム製とすれ
ば、不燃性で、薄肉シート状とするのが容易であり、芯
材の剛性をも向上させるので、好ましい。It is preferable that the fire prevention sheet is made of aluminum because it is nonflammable and easily formed into a thin sheet, and the rigidity of the core material is also improved.
【０００９】[0009]
【発明の実施の形態】以下、本発明の耐震用スリット材
の実施形態について、図面を参照して説明する。図１
は、柱と壁との間に埋設される耐震用スリット材を型枠
に固定した状態を示す断面図、図２は、梁と壁との間に
埋設される耐震用スリット材を型枠に固定した状態を示
す断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of an earthquake-resistant slit material according to the present invention. FIG.
Is a cross-sectional view showing a state in which a seismic slit material embedded between a column and a wall is fixed to a formwork, and FIG. 2 is a diagram illustrating a seismic slit material embedded between a beam and a wall in a formwork. It is sectional drawing which shows the fixed state.
【００１０】図１に示す耐震用スリット材１は、板状の
芯材２の両端部に支持材３，４を嵌合したものである。The slit member 1 for earthquake resistance shown in FIG. 1 has a plate-shaped core member 2 with supporting members 3 and 4 fitted at both ends.
【００１１】芯材２は、発泡ポリエチレン、発泡ポリス
チレン等の発泡合成樹脂成形体２ａの表面に防火用シー
ト２ｂ，２ｂを貼着したものである。防火用シート２ｂ
は、不燃性又は難燃性の材料、例えば、アルミニウム等
の金属、難燃性の合成樹脂等からなるシートである。特
に、アルミニウムは、不燃性で、薄肉シート状とするの
が容易であり、芯材２の剛性をも向上させるので、好ま
しい。The core material 2 is obtained by sticking fire-proof sheets 2b, 2b to the surface of a foamed synthetic resin molded body 2a of foamed polyethylene, foamed polystyrene or the like. Fire protection sheet 2b
Is a sheet made of a non-combustible or flame-retardant material, for example, a metal such as aluminum, a flame-retardant synthetic resin, or the like. In particular, aluminum is preferable because it is nonflammable, easily formed into a thin sheet shape, and improves the rigidity of the core material 2.
【００１２】図１において、防火用シート２ｂを、発泡
合成樹脂成形体２ａの両側表面に貼着しているが、溶接
作業等の行なわれる側を考慮して、片側表面にのみ貼着
するようにしてもよい。尚、防火用シート２ｂは、接着
剤、粘着テープ等による接着等、適宜方法により貼着す
ればよい。In FIG. 1, the fire prevention sheet 2b is adhered to both sides of the foamed synthetic resin molded body 2a. However, in consideration of the side on which the welding operation or the like is performed, the sheet is adhered to only one surface. It may be. Note that the fire prevention sheet 2b may be attached by an appropriate method such as bonding with an adhesive or an adhesive tape.
【００１３】支持材３，４は、硬質ビニル、ポリプロピ
レン等の合成樹脂を所定形状に成形したものであり、内
側部に断面略コ字状の芯材嵌合溝部５を形成し、外側部
に断面略台形状の固定部材嵌合溝部６を形成してある。The supporting members 3 and 4 are formed by molding a synthetic resin such as hard vinyl or polypropylene into a predetermined shape. A fixing member fitting groove 6 having a substantially trapezoidal cross section is formed.
【００１４】耐震用スリット材１は、図１に示すよう
に、立設した型枠７，８に固定した目地部材９，１０に
支持材３，４の固定部材嵌合溝部６を嵌合させ、支持材
３，４の芯材嵌合溝部５に芯材２の両端部を嵌合させる
ことによって、型枠７，８間に配置、固定することがで
きる。As shown in FIG. 1, the seismic slit material 1 is formed by fitting the fixing member fitting grooves 6 of the supporting members 3 and 4 to joint members 9 and 10 fixed to the standing form frames 7 and 8, respectively. By fitting both ends of the core member 2 into the core member fitting grooves 5 of the support members 3 and 4, the core member 2 can be disposed and fixed between the mold frames 7 and 8.
【００１５】耐震用スリット材１によれば、耐震用スリ
ット材１の片側又は両側で鉄筋等を溶接する作業等が行
なわれ、溶接等による火花が耐震用スリット材１に接触
したとしても、芯材２の表面には不燃性又は難燃性材料
からなる防火用シート２ｂが貼着されているから、芯材
２は容易に溶融したり、燃焼したりせず、木製の型枠
７，８に延焼する虞れもない。According to the slit material 1 for seismic resistance, an operation of welding a reinforcing bar or the like is performed on one side or both sides of the slit material 1 for seismic resistance. Since the fire prevention sheet 2b made of a non-combustible or flame-retardant material is adhered to the surface of the material 2, the core material 2 does not easily melt or burn, and the wooden molds 7, 8 There is no danger of the fire spreading.
【００１６】図２に示す耐震用スリット材１１は、床面
１３に直接載置するため、板状の芯材１２のみからな
る。The seismic slit material 11 shown in FIG. 2 is composed of only a plate-shaped core material 12 to be directly mounted on the floor 13.
【００１７】芯材１２も、発泡ポリエチレン、発泡ポリ
スチレン等の発泡合成樹脂成形体１２ａの表面に防火用
シート１２ｂを貼着したものである。防火用シート１２
ｂは、不燃性又は難燃性の材料、例えば、アルミニウム
等の金属、難燃性の合成樹脂等からなるシートである。
特に、アルミニウムは、不燃性で、薄肉シート状とする
のが容易であり、芯材１２の剛性をも向上させるので、
好ましい。The core material 12 is also a fired sheet 12b adhered to the surface of a foamed synthetic resin molded body 12a such as foamed polyethylene or foamed polystyrene. Fire protection sheet 12
b is a sheet made of a non-combustible or flame-retardant material, for example, a metal such as aluminum, a flame-retardant synthetic resin, or the like.
In particular, aluminum is nonflammable, and it is easy to form a thin sheet, and the rigidity of the core 12 is also improved.
preferable.
【００１８】図２において、芯材１２の下側表面は床面
１３に当接するため、防火用シート１２ｂは、発泡合成
樹脂成形体２ａの上側表面にのみ貼着すればよい。尚、
防火用シート１２ｂは、接着剤、粘着テープ等による接
着等、適宜方法により貼着すればよい。In FIG. 2, since the lower surface of the core material 12 is in contact with the floor surface 13, the fire prevention sheet 12b may be attached only to the upper surface of the foamed synthetic resin molded body 2a. still,
The fire prevention sheet 12b may be stuck by an appropriate method such as adhesion with an adhesive or an adhesive tape.
【００１９】耐震用スリット材１１は、図２に示すよう
に、芯材１２の一端面を立設した型枠１４に固定した目
地部材１６に、他端面を立設した型枠１５に当接した状
態で、芯材１２を床面１３に載置することによって、型
枠１４，１５間に配置、固定することができる。As shown in FIG. 2, the slit material 11 for earthquake resistance comes into contact with a joint member 16 fixed to a formwork 14 having one end face of a core material 12 erected and a formwork 15 having another end face erected. By placing the core 12 on the floor 13 in this state, the core 12 can be arranged and fixed between the molds 14 and 15.
【００２０】耐震用スリット材１１によれば、耐震用ス
リット材１１の上側で鉄筋等を溶接する作業等が行なわ
れ、溶接等による火花が耐震用スリット材１１に接触し
たとしても、芯材１２の表面には不燃性又は難燃性材料
からなる防火用シート１２ｂが貼着されているから、芯
材１２は容易に溶融したり、燃焼したりせず、木製の型
枠１４，１５に延焼する虞れもない。According to the seismic slit material 11, work such as welding of a reinforcing bar is performed on the upper side of the seismic slit material 11, and even if sparks due to welding or the like come into contact with the seismic slit material 11, the core material 12 is not damaged. The core material 12 does not easily melt or burn, and the fire spreads on the wooden formwork 14 and 15 because a fire-preventive sheet 12b made of a non-combustible or flame-retardant material is adhered to the surface of the base material. There is no danger of doing so.
【図１】柱と壁との間に埋設される耐震用スリット材を
型枠に固定した状態を示す断面図である。FIG. 1 is a cross-sectional view showing a state in which an earthquake-resistant slit material embedded between a column and a wall is fixed to a formwork.
【図２】梁と壁との間に埋設される耐震用スリット材を
型枠に固定した状態を示す断面図である。FIG. 2 is a cross-sectional view showing a state in which a seismic slit material embedded between a beam and a wall is fixed to a formwork.
１ 耐震用スリット材 ２ 芯材 ２ａ 発泡合成樹脂成形体 ２ｂ 防火用シート DESCRIPTION OF SYMBOLS 1 Slit material for earthquake resistance 2 Core material 2a Foam synthetic resin molding 2b Fire protection sheet
─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成１２年４月１４日（２０００．４．１
４）[Submission date] April 14, 2000 (2004.1.
4)
【手続補正１】[Procedure amendment 1]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】全図[Correction target item name] All figures
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図１】 FIG.
【図２】 FIG. 2
Claims (3)
向上させるために、柱と壁又は梁と壁との接合部付近に
埋設される芯材を有する耐震用スリット材であって、前
記芯材の表面に防火用シートを貼着したことを特徴とす
る耐震用スリット材。1. An earthquake-resistant slit material having a core buried near a joint between a column and a wall or a beam and a wall in order to improve the seismic strength of a reinforced concrete building, wherein the core material is A slit material for earthquake resistance characterized by sticking a fire protection sheet on the surface.
着したことを特徴とする請求項１に記載の耐震用スリッ
ト材。2. The anti-seismic slit material according to claim 1, wherein a fire protection sheet is attached to both surfaces of the core material.
なることを特徴とする請求項１又は２に記載の耐震用ス
リット材。3. The anti-seismic slit material according to claim 1, wherein the fire prevention sheet is made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000103871A JP2001288926A (en) | 2000-04-05 | 2000-04-05 | Slit material for earthquake resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000103871A JP2001288926A (en) | 2000-04-05 | 2000-04-05 | Slit material for earthquake resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001288926A true JP2001288926A (en) | 2001-10-19 |
Family
ID=18617504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000103871A Pending JP2001288926A (en) | 2000-04-05 | 2000-04-05 | Slit material for earthquake resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001288926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017008574A (en) * | 2015-06-22 | 2017-01-12 | 株式会社ジェイエスピー | Earthquake-proof slit core material and earthquake-proof slit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631118U (en) * | 1980-03-07 | 1981-03-26 | ||
| JPS57250A (en) * | 1980-05-31 | 1982-01-05 | Kajima Corp | Slit mesh and application thereof |
| JPH05131583A (en) * | 1991-11-08 | 1993-05-28 | Meishin Kk | Laminated composite material |
-
2000
- 2000-04-05 JP JP2000103871A patent/JP2001288926A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631118U (en) * | 1980-03-07 | 1981-03-26 | ||
| JPS57250A (en) * | 1980-05-31 | 1982-01-05 | Kajima Corp | Slit mesh and application thereof |
| JPH05131583A (en) * | 1991-11-08 | 1993-05-28 | Meishin Kk | Laminated composite material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017008574A (en) * | 2015-06-22 | 2017-01-12 | 株式会社ジェイエスピー | Earthquake-proof slit core material and earthquake-proof slit |
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