JP7075343B2 - 構造物へのfrp材の接着構造および接着方法 - Google Patents
構造物へのfrp材の接着構造および接着方法 Download PDFInfo
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- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/18—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length in the form of a mat, e.g. sheet moulding compound [SMC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/546—Measures for feeding or distributing the matrix material in the reinforcing structure
- B29C70/547—Measures for feeding or distributing the matrix material in the reinforcing structure using channels or porous distribution layers incorporated in or associated with the product
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
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- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Composite Materials (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Electrochemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Bridges Or Land Bridges (AREA)
Description
構造物に対するFRP材の接着方法であって、
構造物の接着面を表面処理する工程と、
前記構造物の接着面上に、接着層を形成する繊維系基材とFRP材を形成する補強繊維基材を、この順に、繊維系基材が補強繊維基材の縁端からはみ出るように配置し、両基材を仮留めする工程と、
前記繊維系基材と補強繊維基材を密封し、密封内部を減圧する工程と、
減圧された密封内部に樹脂を注入する工程と、
注入された樹脂を硬化、養生させる工程と、
を含むことを特徴とする、構造物へのFRP材の接着方法についても提供する。
図1は、本発明の一実施形態に係る構造物へのFRP材の接着構造および接着方法を示しており、とくに施工時の状態を示している。図1においては、100は、構造物、とくに劣化した鋼構造物を示しており、この補修、補強の対象としての鋼構造物100の対象表面上に、補修、補強のFRP材が接着される。図1は、補強繊維基材とマトリックス樹脂からなるFRP材が形成される前の(マトリックス樹脂含浸、硬化前の)補強繊維基材が配置された状態を示している。
厚み12mm、幅200mm、長さ250mmの2枚の鋼平板(弾性率206kN/mm2)を、無結合のまま突き合わせた状態で、突き合わせ部を含む2枚の鋼平板上に、接着層用の繊維系基材を敷き、その上から本発明におけるFRP材構成用の、長さの異なる一方向炭素繊維シート トレカクロスUM46-40(東レ製、炭素繊維量400g/m2、弾性率440kN/mm2)を7層積層した。
JIS R 7602炭素繊維織物試験方法に準じて、基材厚み(mm)を測定した。次に基材を100mm×100mmで切り出し、10,000mm2あたりの重量(繊維目付量)を測定した。次に使用する材料の密度から基材の密度厚みを次式で算定した。そして、基材厚みから密度厚みを引くことで、1枚の単位幅あたりの空隙断面積(mm2/mm)を算定した。
密度厚み(mm)=繊維目付量(g/m2)÷繊維密度(g/cm3)
1枚の空隙断面積(mm2/mm)=基材厚み(mm)-密度厚み(mm)
力学試験機で得られた引張荷重に対して、試験体幅と定着量を掛けた面積で除したものを接着強度とした。
接着強度(N/mm2)=引張荷重(N)/(試験体幅(mm)×定着長(mm))
2 繊維系基材
3 補強繊維基材
4 はみ出し部
5 離型基材
6 樹脂流動シート
7 密閉性フィルム
8 シーリング材
9 密封内部
10 真空吸引ポンプ
11 樹脂注入側
12 樹脂注入道
13 樹脂ポット
14 樹脂
15 真空吸引側
16 真空吸引道
21 中間吸引用繊維系基材
100 鋼構造物
Claims (6)
- 構造物に対する一方向繊維シートからなるFRP材の接着方法であって、
構造物の接着面を表面処理する工程と、
前記構造物の接着面上に、接着層を形成する繊維系基材とFRP材を形成する補強繊維基材を、この順に、繊維系基材が補強繊維基材の縁端からはみ出るように配置し、両基材を仮留めする工程と、
前記繊維系基材と補強繊維基材を密封し、密封内部を減圧する工程と、
減圧された密封内部に樹脂を注入する工程と、
注入された樹脂を硬化、養生させる工程と、を含み、
前記繊維系基材への樹脂含浸と前記補強繊維基材への樹脂含浸は実質的に同時に行われ、樹脂を注入する工程において、前記樹脂は、前記繊維系基材のはみ出し部に直接含浸し、回り込むように前記繊維系基材中に流動されていき、繊維系基材全体わたって残存空隙を極小化した状態で前記樹脂を含浸させることを特徴とする、構造物へのFRP材の接着方法。 - 前記構造物の接着面が鋼からなる、請求項1に記載の構造物へのFRP材の接着方法。
- 前記構造物の接着面がFRPからなる、請求項1に記載の構造物へのFRP材の接着方法。
- 前記注入される樹脂と同じ樹脂を、前記繊維系基材を設置する前に前記構造物の接着面に塗布する、請求項1~3のいずれかに記載の構造物へのFRP材の接着方法。
- 前記補強繊維基材の配置工程において、中間吸引用繊維系基材を、補強繊維基材の設置部中を延び、補強繊維基材の縁端からはみ出るとともに、はみ出た部位で前記繊維系基材の上に重なるように配置する、請求項1~4のいずれかに記載の構造物へのFRP材の接着方法。
- 前記仮止め工程と前記密封、減圧工程との間に、前記繊維系基材と補強繊維基材の全体を覆い、注入樹脂硬化後に引き剥がし可能な離型基材を配置する工程を有する、請求項1~5のいずれかに記載の構造物へのFRP材の接着方法。
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US20220177657A1 (en) * | 2019-04-16 | 2022-06-09 | Nippon Steel Corporation | Metal-fiber reinforced plastic composite |
JP7501067B2 (ja) | 2019-04-26 | 2024-06-18 | 東レ株式会社 | 構造体の補修方法および構造補修成形体の製造方法 |
CN112026201A (zh) * | 2020-07-27 | 2020-12-04 | 国营芜湖机械厂 | 一种复合材料快速修理金属裂纹损伤的方法 |
KR102300526B1 (ko) * | 2021-04-08 | 2021-09-09 | 국방과학연구소 | 하이브리드 복합 섬유 재료, 제조 방법 및 이를 포함하는 비행체 날개 구조물 |
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JP2007332674A (ja) | 2006-06-15 | 2007-12-27 | Kawasaki Heavy Ind Ltd | 鋼構造物の補強方法および補強構造 |
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GB9501193D0 (en) * | 1995-01-21 | 1995-03-15 | Devonport Management Ltd | Reinforced material |
CA2181497C (en) * | 1996-07-18 | 2002-04-09 | Fernand Ellyin | Carbon fiber-reinforced polymer patch for defect repair of a structural steel component |
JP3014993B2 (ja) | 1997-11-17 | 2000-02-28 | 株式会社ケー・エフ・シー | コンクリート構造物の補修または補強方法 |
JP4104414B2 (ja) * | 2002-10-09 | 2008-06-18 | 東レ株式会社 | 繊維強化樹脂成形体の製造方法 |
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CN1641130A (zh) * | 2004-01-10 | 2005-07-20 | 周超 | “纤维体外粘贴”进行结构加固的真空袋压法 |
JP2006306057A (ja) * | 2005-03-28 | 2006-11-09 | Toray Ind Inc | Frp構造体の製造方法 |
CN201962964U (zh) * | 2011-03-24 | 2011-09-07 | 广西工学院 | 预应力纤维树脂复合筋嵌贴加固混凝土结构 |
JP6012951B2 (ja) * | 2011-10-27 | 2016-10-25 | 倉敷紡績株式会社 | 構造物の補強繊維シートの末端被覆工法 |
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JP6581404B2 (ja) * | 2015-06-23 | 2019-09-25 | 公立大学法人首都大学東京 | 鋼構造物への構造用部材による増設構造および増設方法 |
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2018
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- 2018-04-23 JP JP2018532800A patent/JP7075343B2/ja active Active
- 2018-04-23 KR KR1020197028117A patent/KR102539633B1/ko active IP Right Grant
- 2018-04-23 CN CN201880021369.7A patent/CN110494617B/zh active Active
- 2018-04-23 EP EP18790996.5A patent/EP3617424A4/en active Pending
- 2018-04-23 WO PCT/JP2018/016473 patent/WO2018199032A1/ja unknown
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2019
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Patent Citations (2)
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JP2000213176A (ja) | 1999-01-26 | 2000-08-02 | Masatoshi Okura | 既設コンクリ―ト材の表面補強方法 |
JP2007332674A (ja) | 2006-06-15 | 2007-12-27 | Kawasaki Heavy Ind Ltd | 鋼構造物の補強方法および補強構造 |
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EP3617424A4 (en) | 2021-01-27 |
CN110494617B (zh) | 2022-07-01 |
JPWO2018199032A1 (ja) | 2020-02-27 |
EP3617424A1 (en) | 2020-03-04 |
WO2018199032A1 (ja) | 2018-11-01 |
KR20200002803A (ko) | 2020-01-08 |
KR102539633B1 (ko) | 2023-06-02 |
CN110494617A (zh) | 2019-11-22 |
US20200070429A1 (en) | 2020-03-05 |
PH12019502064A1 (en) | 2020-09-14 |
BR112019019665A2 (pt) | 2020-04-22 |
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