JPWO2017122793A1 - 区画貫通構造 - Google Patents
区画貫通構造 Download PDFInfo
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- JPWO2017122793A1 JPWO2017122793A1 JP2017505676A JP2017505676A JPWO2017122793A1 JP WO2017122793 A1 JPWO2017122793 A1 JP WO2017122793A1 JP 2017505676 A JP2017505676 A JP 2017505676A JP 2017505676 A JP2017505676 A JP 2017505676A JP WO2017122793 A1 JPWO2017122793 A1 JP WO2017122793A1
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- sleeve
- sleeve body
- wiring
- partition
- pipe
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/06—Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
- E04G15/061—Non-reusable forms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/04—Sealing to form a firebreak device
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
Description
本願は、2016年1月13日に出願した特願2016−004742号明細書の優先権の利益を主張するものであり、当該明細書はその全体が参照により本明細書中に援用される。
(技術分野)
本発明は区画貫通構造に関する。
前記スリーブは熱膨張性の耐火性樹脂材料を含有する中空のスリーブ本体を備え、
スリーブ本体と配管または配線との間のクリアランスと
スリーブ本体の膨張倍率および残渣硬さとについて、
下記一般式Sを定義した際に、Sが0〜500の範囲である区画貫通構造が提供される。
(残渣硬さの単位はkgf/cm2、クリアランスの単位はmmである)
一実施形態において、上記スリーブは熱膨張性の耐火性樹脂材料を含有する中空のスリーブ本体を備え、スリーブ本体と配管または配線との間のクリアランスが10mm以上であり、スリーブ本体の膨張倍率が20倍以上かつスリーブ本体の残渣硬さが0.2kgf/cm2以上である。
ジ−2−エチルヘキシルアジペート(DOA)、ジイソブチルアジペート(DIBA)、ジブチルアジペート(DBA)等の脂肪酸エステル可塑剤、
エポキシ化大豆油等のエポキシ化エステル可塑剤、
アジピン酸エステル、アジピン酸ポリエステル等のポリエステル可塑剤、
トリー2−エチルヘキシルトリメリテート(TOTM)、トリイソノニルトリメリテート(TINTM)等のトリメリット酸エステル可塑剤、
トリメチルホスフェート(TMP)、トリエチルホスフェート(TEP)、リン酸と陸レジル(TCP)等の燐酸エステル可塑剤、
鉱油等のプロセスオイルなどが挙げられる。なお、可塑剤には上記のリン化合物は含まれない。
ここで、残渣硬さの単位はkgf/cm2、クリアランスの単位はmmである。
ここで、残渣硬さの単位はkgf/cm2、クリアランスの単位はmmである。このようなSの範囲を満たすことで、スリーブ本体12の残渣の形状保持性と、区画貫通構造の耐火性とを両立させることができる。
熱膨張性黒鉛としてADT社製「ADT351」を用い、クリアランスが36mmの場合を実施例1、熱膨張性黒鉛として東ソ一社製「GREP−EG」(熱膨張開始温度220℃)を用いた場合を実施例2とし、実施例2と同じ組成でクリアランスが100mmの場合を比較例1、熱膨張性黒鉛として日本エアウォーター社製「MZ260」を使用した場合を比較例2とし、各熱膨張性黒鉛のアスペクト比と、各配合物の組成とを表1に示した。実施例1,2および比較例1,2のいずれとも、170〜190℃で表面が美麗な長尺異型成形体を射出成形でき、成形した後のスクリューおよび金型への配合物の付着もなく、成形性は良好であった。
(アスペクト比)
SEM 断面写真を用いて熱膨張性黒鉛の写真のスケール長さを測定し、換算してアスペクト比を算出した。
(膨張倍率)
得られた実施例1,2および比較例1,2の熱膨張性の耐火性樹脂材料の成形体から作製した試験片(長さ100mm、幅100mm、厚さ2.0mm)を電気炉に供給し、600℃で30分間加熱した後、試験片の厚さを測定し、(加熱後の試験片の厚さ)/(加熱前の試験片の厚さ)を膨張倍率として算出した。
膨張倍率を測定した加熱後の試験片を圧縮試験機(カトーテック社製、「フィンガーフイリングテスター」)に供給し、0.25cm2の圧子で0.1cm/秒の速度で圧縮し、破断点応力を測定した。
(残渣の形状保持性)
上記残渣硬さは膨張後の残渣の硬さの指標になるが、測定が残渣の表面部分に限られるため、残渣全体の硬さの指標にならないことがあるので、残渣全体の硬さの指標として形状保持性を測定した。残渣の形状保持性は、膨張倍率を測定した試験片の両端部を手で持って持ち上げて、その際の残渣の崩れやすさを目視して測定した、試験片が崩れることなく持ち上げられた場合をPASSと評価し、試験片が崩壊して持ち上げられない場合をFAILと評価した。
(耐火試験)
表1に示した実施例1,実施例2,比較例1,比較例2の熱膨張性の耐火性樹脂材料から構成された成型スリーブ(内径150mm、高さ160mm、厚み5mm)を床下地に設置し、コンクリートをスリーブの周囲に打設した。スリーブ内に1本パイプ(PVC管)を配管し、スリーブ本体と配管との間のクリアランスが10mm以上となるように配置し、ISO834の加熱曲線に沿って水平炉内で2時間加熱した。床上の貫通パイプ温度が、初期温度+180℃未満且つ貫通して炎出がない場合をPASSと評価し、初期温度+180℃以上または床上パイプが貫通して炎出する場合をFAILと評価した。
表2に示した配合の成分を含有する配合物を、実施例1〜2および比較例1〜2に関して上記に記載したのと同様に射出成型機に供給し、170〜190℃で筒状の熱膨張成形体である成型スリーブを成形した。
Claims (6)
- コンクリートにおける区画貫通孔の形成用に配置されたスリーブと、該スリーブを貫通する配管または配線とを備えた区画貫通構造であって、
前記スリーブは熱膨張性の耐火性樹脂材料を含有する中空のスリーブ本体を備え、
スリーブ本体と配管または配線との間のクリアランスと
スリーブ本体の膨張倍率および残渣硬さとについて、
下記一般式Sを定義した際に、Sが0〜500の範囲である区画貫通構造。
S=1/[{(膨張倍率)×(残渣硬さ)}/(クリアランス)2]
(残渣硬さの単位はkgf/cm2、クリアランスの単位はmmである) - 前記スリーブは熱膨張性の耐火性樹脂材料を含有する中空のスリーブ本体を備え、
スリーブ本体と配管または配線との間のクリアランスが10mm以上であり、
スリーブ本体の膨張倍率が20倍以上かつスリーブ本体の残渣硬さが0.2kgf/cm2以上である請求項1に記載の区画貫通構造。 - 前記熱膨張性の耐火性樹脂材料は熱膨張性黒鉛を含む請求項1または2に記載の区画貫通構造。
- スリーブ本体の膨張倍率が30倍以上かつスリーブ本体の残渣硬さが0.7kgf/cm2以上である請求項1〜3のいずれか一項に記載の区画貫通構造。
- 前記スリーブの外側周囲にコンクリートが打設されている請求項1〜4のいずれか一項に記載の区画貫通構造。
- 前記スリーブが床下地または壁下地に設置されている請求項1〜5のいずれか一項に記載の区画貫通構造。
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JPH0828760A (ja) * | 1994-07-22 | 1996-02-02 | Furukawa Techno Material:Kk | 防火区画体の可燃性長尺体貫通部における防火構造体 |
JPH08312840A (ja) * | 1995-05-16 | 1996-11-26 | Furukawa Techno Material:Kk | 防火パイプ |
US6550819B2 (en) * | 2001-01-22 | 2003-04-22 | Aero Plumbing & Heating Co., Inc. | Pressure relieving arch having split pipe sleeves |
JP4908920B2 (ja) * | 2006-05-25 | 2012-04-04 | 積水化学工業株式会社 | 防火措置構造 |
JP2008031799A (ja) * | 2006-07-31 | 2008-02-14 | Sekisui Chem Co Ltd | 防火区画貫通部の施工方法及び防火区画貫通部構造 |
JP4933412B2 (ja) * | 2007-02-28 | 2012-05-16 | 未来工業株式会社 | 熱膨張性耐火具及び耐火構造 |
JP6258725B2 (ja) * | 2014-03-03 | 2018-01-10 | 未来工業株式会社 | 貫通部形成装置及び防火区画壁構造 |
JP6348320B2 (ja) * | 2014-04-08 | 2018-06-27 | 未来工業株式会社 | 耐火部材及び防火区画壁構造 |
JP2015209933A (ja) * | 2014-04-28 | 2015-11-24 | 日動電工株式会社 | 防火区画壁貫通孔に使用する耐火処理具および耐火処理構造 |
JP6791618B2 (ja) * | 2015-05-29 | 2020-11-25 | 積水化学工業株式会社 | スリーブおよび区画貫通構造 |
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2017
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- 2017-01-13 KR KR1020187014809A patent/KR20180103042A/ko not_active Application Discontinuation
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