WO2008029794A1 - Procédé de renfort de structure existante avec des fibres de carbone - Google Patents

Procédé de renfort de structure existante avec des fibres de carbone Download PDF

Info

Publication number
WO2008029794A1
WO2008029794A1 PCT/JP2007/067194 JP2007067194W WO2008029794A1 WO 2008029794 A1 WO2008029794 A1 WO 2008029794A1 JP 2007067194 W JP2007067194 W JP 2007067194W WO 2008029794 A1 WO2008029794 A1 WO 2008029794A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin
impregnated
carbon fiber
reinforcing
fiber
Prior art date
Application number
PCT/JP2007/067194
Other languages
English (en)
Japanese (ja)
Inventor
Yoshihiro Fukuda
Hideyuki Komaki
Masanori Nakata
Yasuhiro Mori
Junichi Kagawa
Kouichirou Tamuro
Shinya Enomoto
Original Assignee
Nippon Oil Corporation
Konishi Co., Ltd.
Sg Engineering 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 Nippon Oil Corporation, Konishi Co., Ltd., Sg Engineering Co., Ltd. filed Critical Nippon Oil Corporation
Publication of WO2008029794A1 publication Critical patent/WO2008029794A1/fr

Links

Classifications

    • 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
    • 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

Definitions

  • the present invention relates to a method for reinforcing structures such as columns, beams, and chimneys using carbon fibers, and more particularly to a reinforcing method for enhancing the shear resistance or dust performance of a concrete structure.
  • a reinforcing method using a reinforcing material using a reinforcing fiber sheet is known.
  • Fig. 7 shows a schematic diagram of the seismic reinforcement method for concrete columns.
  • Figure 8 shows the flow sheet.
  • undercoating and overcoating of impregnating resin are performed using a brush or a roller.
  • the CF sheet should be affixed with care so as not to leave a large amount of air bubbles and wrinkles that will cause insufficient adhesive strength, and it will be pressed into place with a defoaming roller or palm to bring it into close contact with the concrete. If air bubbles cannot be removed, a cut may be made in the fiber direction of the CF sheet to remove the air. In such a case, the resin is applied again to the cut. In addition, the top coat of the impregnated resin is applied to the surface of the CF sheet in the same way as when the surface of the undercoat impregnating resin has been lifted.
  • the method of applying the impregnating resin using a brush or a roller has a problem that a difference in uniformity is likely to occur depending on the skill of the operator.
  • the CF sheet must be affixed with care so that bubbles and wrinkles do not occur, which also requires the skill of the operator.
  • FIG. 9 shows the ground processing when there is a large step, and it is necessary to repair the upper part of the step by cutting it up and filling the lower part with mortar or the like so as to be continuous with the cut surface. .
  • the carbon fiber sheet is applied to the column surface by smoothing using epoxy-based putty after curing the finger-coated surface of the primer. It is said that it must be arranged to adhere.
  • FRP fiber reinforced resin composite material
  • a method using a fiber reinforced resin composite material (FRP) molded in a predetermined shape is known. Since FRP is impregnated with resin in the manufacturing process, undercoating and overcoating of the impregnating resin at the work site are not required, but primer treatment is essential for bonding, and if there are protrusions etc. Same as CF sheet pasting In addition, ground processing is required. Furthermore, if there is a step, it is necessary to perform flattening that is much stronger than pasting a CF sheet, or prepare a molded product that matches the step shape. Therefore, the use of a molded product is poor in versatility as a method for reinforcing columns and the like.
  • the concrete surface is covered with a reinforcing fiberboard after construction.
  • a reinforcing fiberboard For example, when a medium-scale earthquake occurs, cracking or the like occurs in the concrete. It is very difficult to diagnose whether it is! /, Na! /.
  • Patent Document 1 Japanese Patent Laid-Open No. Sho 62-244977
  • Patent Document 2 Japanese Patent Laid-Open No. Sho 62-2 42058
  • high-strength long fiber strands are used as seismic reinforcement methods for existing concrete columns.
  • a method of winding in a spiral shape is shown.
  • Patent Document 3 Japanese Patent Application Laid-Open No. 2002-115403
  • a plurality of through holes are formed in the wall at intervals in the longitudinal direction of the column. It has been proposed to wind a bundle of reinforcing fiber strands around the outer periphery of the column through each through hole. There are two possible timings for impregnating the resin depending on the curing time of the resin.
  • the strands In the construction method using strands, the strands have to be wound several times to obtain the necessary amount of reinforcement, so that manual winding is rarely performed, and a dedicated winding machine is used. Since it is used, there is a problem that it is not versatile.
  • the above-mentioned sheet method When reinforcing with carbon fiber or other reinforcing fiber, the above-mentioned sheet method is simple to obtain the required amount of reinforcement, and is widely used because it can be constructed manually.
  • the method of applying the impregnating resin by the hand lay-up method has a problem that a difference in uniformity is likely to occur depending on the skill of the operator.
  • a continuous fiber sheet impregnated with resin is used as a resin / fiber of 55/45 to 35 / Passing between two parallel rolls, the gap and compression force of which are adjusted to a weight ratio of 65, the uncured resin-impregnated continuous sheet of the weight ratio is formed as a single layer or multilayer on the outer surface of the structure.
  • a method of reinforcing a structure that is wound or pasted is shown.
  • the impregnated sheet is rewound into a roll and is used after being pulled out on site.
  • Japanese Patent Laid-Open No. 6-288101 Japanese Patent Laid-Open No. 6-288101
  • a reinforcing fiber wound around a concrete structure is mixed with a thermoplastic resin and knitted into a long cloth.
  • a method and apparatus for winding both sides of a long fabric-like reinforcing fiber and winding it around a concrete structure while dissolving the mixed resin are shown.
  • This device is provided with a pair of rollers that rotate in contact with both the front and back surfaces of a long cloth, and a heating device is provided inside each roller.
  • this method is also based on the premise that it is wound around the entire surface of the reinforced body, and it is necessary to perform the ground treatment in the same way as before.
  • this method uses a thermoplastic resin and cannot use thermosetting resins such as epoxy resins with excellent adhesive strength or room temperature curable resins such as epoxy adhesives. There is a problem of being inferior.
  • the construction is performed while the thermoplastic resin is melted, the construction speed is not always sufficiently high.
  • the resin will not melt completely or uneven melting will occur if the heating roller is installed before it reaches the specified temperature, or if it is applied at a speed higher than the specified speed, or if it is applied in winter. These may cause voids and poor adhesion.
  • Patent Document 1 JP-A 62-244977
  • Patent Document 2 Japanese Patent Laid-Open No. 62-242058
  • Patent Document 3 JP 2002-115403 A
  • Patent Document 4 Japanese Patent Laid-Open No. 2000-896
  • Patent Document 5 JP-A-6-288101
  • the object of the present invention is that diagnosis after the occurrence of a medium-scale earthquake is easy, construction requires minimal ground treatment, and resin impregnation into reinforcing fibers can be easily and reliably performed.
  • the present inventors have developed a reinforcing method for winding a braided carbon fiber material or a band-shaped carbon fiber material in a striped or spiral manner with a predetermined interval as a new method to replace the continuous fiber reinforcing method.
  • the braided carbon fiber material or belt-like carbon fiber material used in the present invention is the central part in brush coating or roller coating performed by the conventional continuous fiber method with a relatively large amount of carbon fiber.
  • the resin cannot be sufficiently impregnated. Therefore, in the present invention, a method is adopted in which the resin is impregnated by passing through a resin tank immediately before winding and wound as it is.
  • the present invention is a method for reinforcing a braided or band-like carbon fiber-containing reinforcing material on a surface of an existing structure by spirally or stripedly winding the reinforcing material at a predetermined interval, and the braided shape is not impregnated with resin.
  • the braided or band-like carbon fiber material not impregnated with the resin is allowed to pass through a resin tank filled with the impregnation resin immediately before being wound around the structure. To the method.
  • the resin tank is included in a hand-held apparatus, and the carbon fiber material is impregnated with the resin through the resin tank in the apparatus, and the carbon fiber material after resin impregnation is used as the apparatus. It is preferable that the surface of the existing structure is applied as it is after it is pulled out from.
  • CFRP material carbon fiber material
  • resin just before winding, so that the amount of carbon fiber is relatively large! / And braided or belt-like CF material can be sufficiently impregnated with resin.
  • construction is facilitated by a particularly hand-held device.
  • FIG. 1 is a three-side view (front view (a), top view (b), side view (c)) showing an example of a resin impregnation apparatus used in the present invention.
  • FIG. 2 is a schematic diagram illustrating the inside of the apparatus of FIG. 1. (a) shows the roller arrangement when CF material is installed, and (b) shows the roller arrangement when resin impregnation.
  • FIG. 3 is a schematic view illustrating another embodiment of a resin impregnation method in a resin tank.
  • FIG. 4 is a schematic perspective view of a band-like carbon fiber material used in the present invention.
  • FIG. 5 is a schematic perspective view of a braided carbon fiber material used in the present invention.
  • FIG. 6 is a diagram for explaining a construction method using the apparatus shown in FIG.
  • FIG. 7 is a schematic view showing a conventional reinforcing method using a carbon fiber sheet.
  • FIG. 8 is a flow sheet of a conventional reinforcing method using a carbon fiber sheet.
  • FIG. 9 is a diagram for explaining a background process (step process) in a conventional process.
  • the CF material is impregnated with resin by passing it through a resin tank in which the impregnated resin is stored immediately before being wound around the structure to be reinforced.
  • a device that can be held by an operator for resin impregnation.
  • FIG. 1 is a three-side view (front view (a), top view (b), side view (c)) showing an example of a resin impregnation apparatus 1 usable in the present invention, and FIG. It is the schematic explaining an inside.
  • This apparatus 1 includes means 4 for holding CF material 3 supplied in roll form, a resin tank 8 in which impregnated resin 7 is stored, CF material 3 is guided to resin tank 8, and resin tank 8 is It is equipped with various rollers that guide the CF material 3 'after passing to the CF material discharge port 5, and a handle 2 that can be held by hand.
  • a part of the exterior (opening / closing part 6) is provided so that it can be freely opened and closed, and is configured so that it can be opened and CF material can be installed in the device. Also, maintenance of the internal device can be done by opening a part of the exterior.
  • FIG. 2 A part of each roller included in the internal device is movable as shown in FIG. 2, facilitating installation of CF material in the device.
  • Fig. 2 (a) shows the roller arrangement when CF material is installed, and (b) shows the roller arrangement when resin is impregnated.
  • the tip part When CF material is installed in the apparatus, the tip part may be installed through the resin tank. However, a dummy tape or the like is provided at the tip part of the CF material and installed in the apparatus without passing through the resin tank. Then, the method of passing the CF material through the resin tank is preferable because it is simple and can be used without waste.
  • the rollers 10, 10 ' are immersion rollers for immersing the CF material in the resin tank 8, and are positioned on the resin tank 8 when the CF material 3 is installed in the apparatus, and when immersed, the resin tank 8 has a mechanism to descend.
  • two immersion rollers are provided with one force. It may also be 3 or more.
  • the squeezing rollers 11, 11 ′ are facing each other with the CF material 3 ′ after passing through the resin tank 8, and when the CF material is installed, they are separated from each other. be able to. Thereafter, the CF member 3 ′ impregnated with resin is pulled out from the discharge portion 4 through the direction regulating rollers 12, 12 ′ and the discharge port rollers 13, 13 ′.
  • the CF material pulled out from the roll (especially the strip-shaped CF material) is transported in the horizontal direction within the equipment. To do so, it is necessary to twist the CF material at some stage.
  • the CF material discharge section 4 is configured to be rotatable so that a twist is applied in the apparatus. In this way, by applying a twist in the apparatus and controlling the CF member 3 ′ in the direction optimal for the attachment location, the attachment operation becomes easy.
  • the conveyance speed of the CF material is not limited in general depending on the basis weight of the CF material and the viscosity of the impregnating resin, but may be a speed of about lm / min to 10 m / min.
  • a roller (14, 14 ') for applying pressure to the CF material against the immersion roller is provided in the resin tank.
  • the inside of the CF material becomes negative pressure and the impregnation of the resin increases.
  • the impregnating resin in the apparatus may be gelled over time and the resin impregnation property may be reduced.
  • the amount that can be filled in the apparatus that can be held is not so large, even if it gelates. It is possible to work within the pot life of the resin because it is not wasted and can be done quickly by improving workability.
  • the inside of the apparatus is provided with a releasable material so that the gelled resin can be easily removed, and the roller or the like is made of silicone rubber having excellent releasability. Is preferred.
  • the band-like and braid-like CF materials preferably have a member width of 10 mm or more and 50 mm or less for V and displacement.
  • the weight is preferably in the range of 10 g / m to 100 g / m.
  • the present invention is effective when the basis weight of the carbon fiber is large.
  • the basis weight of a conventional carbon fiber sheet used for full-surface reinforcement is about 300 g / m 2 due to its construction method
  • the strip-like CF material used in the present invention is a conventional carbon fiber sheet. Even if the amount of carbon fiber is increased to more than 1 ⁇ 200 g / m 2 ), the resin can be sufficiently impregnated into the fiber.
  • the belt-like CF material 30 is a cloth-like material in which a bundle of carbon fibers is oriented in one direction as warps 31 and bundled with wefts 32 such as polyethylene in order to suppress variation.
  • the “braid” is basically composed only of warp, and is different from “woven fabric” composed of warp and weft and “knitted fabric” composed of continuous loops.
  • the braid used in the present invention (also called “string”) is manufactured by machine, and can be broadly divided into 8 strokes, 16 strokes, Kumago strikes, and many others. Classified as a string. Also, there are flat punching assembled into a flat shape and round punching assembled into a round shape.
  • Fig. 5 shows a schematic diagram of braided CF material with 8 round punches.
  • Carbon fiber is used as the reinforcing fiber to be used, but glass fiber, aramid fiber, other organic fibers, etc. can be mixed and used within the range without any problem, and can be appropriately selected according to the application. .
  • the carbon fiber used is, for example, 2.45 X 10 5 N / mm 2 for the high-strength type and 4.
  • a room temperature curing type or a thermosetting type epoxy resin a thermosetting resin such as a polyester resin, or a radical reaction resin such as methyl metatalylate can be used.
  • a room temperature curing type epoxy resin for example, Konishi ( Product name "Bond E2500” series, "CFB500” series, etc. made by Co., Ltd. can be used.
  • This surface treatment removes the decorative coating on the concrete surface, performs simple shaping of the concrete surface, rounding of the corners, repair of cracks, etc., and does not require high-level step processing. .
  • the reinforcing portion can be subjected to a primer treatment.
  • a thermosetting adhesive agent such as an ordinary temperature curable or thermosetting epoxy resin or a polyester resin can be preferably used.
  • a primer such as “Bond E800” series manufactured by Konishi Co., Ltd. is preferable.
  • FIG. 6 is a schematic diagram showing the construction of the RC pillar 51 using the apparatus of the present invention. The operator holds the apparatus 1 in his hand and pulls out the CF material 3 'that has passed through the resin tank. Can be installed easily by turning around RC pillar 1. When the specified winding is done, cut CF material 3 'and continue to the next construction site.
  • the carbon fiber resin reinforced material (CFRP) 52 is obtained by curing until the impregnated resin is sufficiently cured. Thereafter, in order to maintain the aesthetics of the surface and further improve the durability of the reinforcing member, finishing can be performed by applying a finishing mortar or spraying a paint or the like on the surface around which the reinforcing member is wound.
  • the CF material is wound at a predetermined interval.
  • the winding interval varies depending on the required reinforcing effect and cannot be limited to a specific range. It is preferable to wind and reinforce the toughness reinforcement section with a predetermined interval so that the CF material is wound from the end of the column at the toughening interval (P) is 5 cm or more and P / D is 1/3 or less. . Further, since a larger amount of reinforcement is required for toughness reinforcement, it is preferable to wrap the CF member in layers.
  • shear reinforcement does not require the amount of reinforcement as much as the toughness reinforcement, the winding force S can be increased at a wider interval.
  • Shear reinforcement covers the entire column, but usually it is toughness reinforcement. If it is often done in combination, it may be applied to the part other than the toughness reinforcement section.
  • the CF material used in the present invention has a large amount of carbon fiber, a sufficient amount of shear reinforcement can be obtained with a single winding.
  • the present invention is particularly effective in toughness reinforcement with a large amount of reinforcement.
  • the amount of toughness and shear reinforcement is, for example, the “Design and Construction Guidelines for Seismic Reinforcement Method of Railway Viaduct Columns Using Carbon Fiber Sheets” issued by the railway Technical Research Institute.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

La présente invention concerne un procédé de renfort de structure existante qui consiste à enrouler un matériau de renfort contenant des fibres de carbone en forme de tresse ou de bande autour de la surface de la structure selon une disposition en spirale ou en bandeau à des intervalles donnés. Un matériau de renfort contenant des fibres de carbone en forme de tresse ou de bande qui n'a pas été imprégné de résine est imprégné d'une résine afin d'obtenir ledit matériau de renfort. Plus précisément, juste avant d'être enroulé autour d'une structure, le matériau de renfort contenant des fibres de carbone en forme de tresse ou de bande qui n'a pas été imprégné de résine est conduit à travers un réservoir de résine rempli d'une résine d'imprégnation. Ce réservoir de résine est notamment placé dans un dispositif portable (1). Le matériau à fibres de carbone est conduit à travers le réservoir de résine dans le dispositif, où il est imprégné de résine. Le matériau à fibres de carbone (3') imprégné de résine est retiré du dispositif, puis est enroulé tel quel autour de la surface d'une structure existante.
PCT/JP2007/067194 2006-09-05 2007-09-04 Procédé de renfort de structure existante avec des fibres de carbone WO2008029794A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-240213 2006-09-05
JP2006240213A JP2008063744A (ja) 2006-09-05 2006-09-05 炭素繊維による既存構造物の補強方法

Publications (1)

Publication Number Publication Date
WO2008029794A1 true WO2008029794A1 (fr) 2008-03-13

Family

ID=39157221

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/067194 WO2008029794A1 (fr) 2006-09-05 2007-09-04 Procédé de renfort de structure existante avec des fibres de carbone

Country Status (3)

Country Link
JP (1) JP2008063744A (fr)
TW (1) TW200837262A (fr)
WO (1) WO2008029794A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018053483A (ja) * 2016-09-27 2018-04-05 積水化学工業株式会社 段付支柱の補強または補修方法および補強または補修された段付支柱
US10612253B2 (en) 2015-06-09 2020-04-07 Sanyohome Co., Ltd. Construction method for reinforcing a column and reinforcing structure for a column

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5435325B2 (ja) * 2008-08-04 2014-03-05 東急建設株式会社 補強シートの巻付け装置及びコンクリート構造物の補強方法
JP5984273B1 (ja) * 2015-06-09 2016-09-06 株式会社サンヨーホーム 柱の補強工法および柱の補強構造
KR101739848B1 (ko) * 2016-10-27 2017-05-26 (주) 밀성산업건설 고인성 유리섬유를 이용한 내진 보강공법

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6314945A (ja) * 1986-07-03 1988-01-22 清水建設株式会社 高強度繊維プリプレグによるコンクリ−ト柱状体の補強方法
JPH0484556U (fr) * 1990-11-30 1992-07-22
JPH04360944A (ja) * 1991-06-07 1992-12-14 Mitsui Constr Co Ltd 柱部材の補強材
JPH08500155A (ja) * 1992-02-25 1996-01-09 ヘクセル−ファイフェ・エル・エル・シー 織物強化コンクリートコラム
JP2000000896A (ja) * 1998-04-13 2000-01-07 Showa Highpolymer Co Ltd 繊維強化プラスチックスによる構築物の補強方法
JP2000513060A (ja) * 1997-01-23 2000-10-03 ジーカ アクチエンゲゼルシャフト，フォアマールス カスパー ヴィンクラー ウント コンパニー コンクリート支柱
JP2005213899A (ja) * 2004-01-30 2005-08-11 Denki Kagaku Kogyo Kk 構造物の補修補強方法
JP2007113346A (ja) * 2005-10-24 2007-05-10 Nippon Oil Corp 組紐状炭素繊維を使用したコンクリート構造物の剪断補強方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6314945A (ja) * 1986-07-03 1988-01-22 清水建設株式会社 高強度繊維プリプレグによるコンクリ−ト柱状体の補強方法
JPH0484556U (fr) * 1990-11-30 1992-07-22
JPH04360944A (ja) * 1991-06-07 1992-12-14 Mitsui Constr Co Ltd 柱部材の補強材
JPH08500155A (ja) * 1992-02-25 1996-01-09 ヘクセル−ファイフェ・エル・エル・シー 織物強化コンクリートコラム
JP2000513060A (ja) * 1997-01-23 2000-10-03 ジーカ アクチエンゲゼルシャフト，フォアマールス カスパー ヴィンクラー ウント コンパニー コンクリート支柱
JP2000000896A (ja) * 1998-04-13 2000-01-07 Showa Highpolymer Co Ltd 繊維強化プラスチックスによる構築物の補強方法
JP2005213899A (ja) * 2004-01-30 2005-08-11 Denki Kagaku Kogyo Kk 構造物の補修補強方法
JP2007113346A (ja) * 2005-10-24 2007-05-10 Nippon Oil Corp 組紐状炭素繊維を使用したコンクリート構造物の剪断補強方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10612253B2 (en) 2015-06-09 2020-04-07 Sanyohome Co., Ltd. Construction method for reinforcing a column and reinforcing structure for a column
JP2018053483A (ja) * 2016-09-27 2018-04-05 積水化学工業株式会社 段付支柱の補強または補修方法および補強または補修された段付支柱

Also Published As

Publication number Publication date
JP2008063744A (ja) 2008-03-21
TW200837262A (en) 2008-09-16

Similar Documents

Publication Publication Date Title
JP5214864B2 (ja) 構造物の補強方法
JP5376503B2 (ja) コンクリートの補修方法
JP5416341B2 (ja) 丸形状繊維強化プラスチック線材の製造方法
US20200094442A1 (en) Pultruded strips
WO2008029794A1 (fr) Procédé de renfort de structure existante avec des fibres de carbone
US20030003270A1 (en) Carbon fiber reinforcement system
JP7075343B2 (ja) 構造物へのｆｒｐ材の接着構造および接着方法
JP2004027718A5 (fr)
JP2004027718A (ja) コンクリート構造物の補修・補強・劣化防止用シート及びコンクリート構造物の補修・補強・劣化防止方法
CA2753204A1 (fr) Systemes et procedes de renfort d'un tuyau a l'aide de faisceaux de fibres
WO2015025242A1 (fr) Procédé de fabrication d'une bande rigide comprenant un stratifié disposé latéralement à l'intérieur de la bande
JP5722714B2 (ja) コンクリート剥落防止シート及びこれを用いたコンクリート剥落防止工法
JP5645440B2 (ja) 構造物の補強方法
WO2015005493A1 (fr) Fil de base en plastique renforcé par des fibres plates, feuille de fils de base en plastique renforcé par des fibres plates et procédé de production pour ceux-ci
JP3415107B2 (ja) コンクリート構造物の補強方法及び補強構造体
JP2008297807A (ja) 強化繊維含有樹脂パネル及び建造物補強方法
JP3799119B2 (ja) 構造物の補強方法
WO2022145395A1 (fr) Feuille de protection, procédé d'application d'un agent de revêtement, feuille de fibre et procédé de construction d'une feuille de fibre
JP2007177462A (ja) 繊維強化躯体構造物およびその製造方法
JP2002235444A (ja) コンクリート構造物の補修工法
JP4638850B2 (ja) 炭素繊維による既存構造物の補強方法
KR20010057885A (ko) 건축용 보강재 및 그 제조방법과 장치
JP4252778B2 (ja) 成形体の連続製造方法及び成形体
KR20020006081A (ko) 복합소재의 진공성형 부착에 의한 콘크리트 구조물의보강방법
KR100455786B1 (ko) 섬유강화복합재료를 이용한 콘크리트 보강재의 제조방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07806649

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07806649

Country of ref document: EP

Kind code of ref document: A1