JPH10311145A - Reinforcing fiber sheet for concrete structure - Google Patents

Reinforcing fiber sheet for concrete structure

Info

Publication number
JPH10311145A
JPH10311145A JP13781897A JP13781897A JPH10311145A JP H10311145 A JPH10311145 A JP H10311145A JP 13781897 A JP13781897 A JP 13781897A JP 13781897 A JP13781897 A JP 13781897A JP H10311145 A JPH10311145 A JP H10311145A
Authority
JP
Japan
Prior art keywords
fiber sheet
concrete structure
reinforcing fiber
sheet
release paper
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.)
Withdrawn
Application number
JP13781897A
Other languages
Japanese (ja)
Inventor
Nobuo Shinohara
順郎 篠原
Katsuyoshi Imaizumi
勝吉 今泉
Takeshi Otsuka
毅 大塚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dia Giken Kk
Original Assignee
Dia Giken Kk
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 Dia Giken Kk filed Critical Dia Giken Kk
Priority to JP13781897A priority Critical patent/JPH10311145A/en
Publication of JPH10311145A publication Critical patent/JPH10311145A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Working Measures On Existing Buildindgs (AREA)
  • Adhesive Tapes (AREA)

Abstract

PROBLEM TO BE SOLVED: To make it possible to adhere without looseness or wrinkles by making release paper for reinforcing fiber sheet transparent or translucent, which is made of carbon fiber sheet and is to be adhered to a concrete structure. SOLUTION: A main material sheet 1 is constituted with a carbon fiber sheet or aramid sheet, and the release paper 3 is constituted with a transparent film. But a translucent film may be also used for the release paper 3. A reinforcing fiber sheet 10 is adhered to a concrete structure 20 with an adhesive for reinforcing the concrete structure 20. The reinforcing fiber sheet 10 is adhered to the concrete structure 20 while adjusting the release paper 3 by stretching its looseness or wrinkles by visually checking the release paper 3. The release paper 3 should be peeled off after adhering the reinforcing fiber sheet. By doing this, the reinforcing fiber sheet 10 can be adhered to the concrete structure 20 in a looseness- or wrinkle-free state.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、コンクリート構造
物の補強用繊維シートに関しており、さらに詳しくは、
弛みやしわが存在しない状態でコンクリート構造物に容
易に貼付することができるコンクリート構造物の補強用
繊維シートに関している。
TECHNICAL FIELD The present invention relates to a fiber sheet for reinforcing a concrete structure, and more particularly, to a fiber sheet for reinforcing a concrete structure.
The present invention relates to a reinforcing fiber sheet for a concrete structure that can be easily attached to a concrete structure without slack or wrinkles.

【0002】[0002]

【従来の技術】コンクリート構造物の補強方法にプラス
チック強化繊維シートや炭素繊維シートを構造物の表面
に貼付する方法がある。
2. Description of the Related Art As a method of reinforcing a concrete structure, there is a method of attaching a plastic reinforced fiber sheet or a carbon fiber sheet to the surface of the structure.

【0003】従来は、コンクリート構造物に補強用繊維
シートを貼付する際、コンクリート構造物に接着剤を塗
布して、用意された補強用繊維シートを直にそのまま貼
付していた。
Conventionally, when a reinforcing fiber sheet is applied to a concrete structure, an adhesive is applied to the concrete structure, and the prepared reinforcing fiber sheet is directly applied as it is.

【0004】しかし、補強用繊維シートを貼付する際
に、補強用繊維シートに弛みやしわがあるとコンクリー
ト構造物に対する補強の効果が著しく低下する。なぜな
ら、補強用繊維シートによる補強は、補強用繊維シート
がコンクリート構造物にかかる種々の応力の一部を負担
することによってなされるものであるが、弛みやしわが
存在する場合には、補強用繊維シートが特にシート方向
にかかる張力を効果的に負担できないからである。
[0004] However, when the reinforcing fiber sheet is attached, if the reinforcing fiber sheet is loosened or wrinkled, the effect of reinforcing the concrete structure is significantly reduced. This is because the reinforcing fiber sheet is reinforced by bearing a part of various stresses applied to the concrete structure. However, when the reinforcing fiber sheet has looseness or wrinkles, the reinforcing fiber sheet is reinforced. This is because the fiber sheet cannot effectively bear the tension particularly applied in the sheet direction.

【0005】補強用繊維シートは、織物や編物と異なり
繊維をシート状に配置しただけのものであるから、シー
トとしての形態を保持させるために粘着剤を介して離型
紙に剥離可能に擬似接着されている。そして、繊維シー
トを構造物に貼る一般的な方法はシートを仮接着した後
にシート表面から接着剤をしみ込ませて接着する方法で
ある。
[0005] Unlike a woven or knitted fabric, a reinforcing fiber sheet simply has fibers arranged in a sheet form. Therefore, in order to maintain the form of the sheet, it is quasi-adhered releasably to release paper via an adhesive. Have been. A general method of attaching a fiber sheet to a structure is a method of temporarily adhering the sheet and then impregnating the sheet surface with an adhesive.

【0006】従来技術において、補強用繊維シートを接
合している離型紙は上質紙を使用しているので不透明で
あり、このため繊維シートが弛んでいたりしわがあって
も気付かないまま施工されていることが多かった。上述
したように繊維シートの弛みやしわがあるまま構造物に
貼付しても補強が不完全になるおそれがあるのでシート
は緊張した状態で貼られることが望ましい。
In the prior art, the release paper joining the reinforcing fiber sheet is opaque because it uses high-quality paper. Therefore, even if the fiber sheet is loose or wrinkled, it is laid without notice. I was often there. As described above, even if the fiber sheet is affixed to a structure with looseness or wrinkles, reinforcement may be incomplete. Therefore, it is desirable that the sheet be affixed in a tensioned state.

【0007】[0007]

【発明が解決しようとする課題】本発明が解決しようと
する課題は、コンクリート構造物に貼付することによっ
てコンクリート構造物を補強する補強用繊維シートであ
って、補強用繊維シートに弛みやしわが無いことを容易
に確認することができるような補強用繊維シートを提供
することである。
The problem to be solved by the present invention is a reinforcing fiber sheet for reinforcing a concrete structure by attaching it to a concrete structure, wherein the reinforcing fiber sheet has looseness and wrinkles. An object of the present invention is to provide a reinforcing fiber sheet that can be easily checked for absence.

【0008】[0008]

【課題を解決するための手段】本発明において上記課題
を解決するための手段は、主材シートが粘着剤を介して
剥離可能に擬似接着されているものにおいて、離型紙が
透明あるいは半透明としたものである。
Means for solving the above-mentioned problems in the present invention are as follows. In a case where the main material sheet is pseudo-bonded releasably through an adhesive, the release paper is made transparent or translucent. It was done.

【0009】[0009]

【発明の実施の形態】図1は本発明の実施例を示す図
で、10が補強用繊維シート、20がコンクリート構造
物である。補強用繊維シート10は、主材シート1と、
粘着剤2と、離型紙3とによって構成され、主材シート
1は炭素繊維シート又はアラミド繊維シートで構成さ
れ、離型紙3は透明フィルムで構成されている。
FIG. 1 is a view showing an embodiment of the present invention, in which reference numeral 10 denotes a reinforcing fiber sheet, and reference numeral 20 denotes a concrete structure. The reinforcing fiber sheet 10 includes the main material sheet 1,
The main material sheet 1 is composed of a carbon fiber sheet or an aramid fiber sheet, and the release paper 3 is composed of a transparent film.

【0010】補強用繊維シート10は、接着剤によりコ
ンクリート構造物20に貼付されてコンクリート構造物
20を補強するために用いられるものである。本実施例
の補強用繊維シート10の離型紙3が透明であることに
より、コンクリート構造物20への貼付の際に該離型紙
3を目視することによって弛みやしわの存在を確認する
ことができ、貼付時に弛みやしわを伸ばすように調整す
ることで、補強用繊維シート10を弛みやしわのない状
態でコンクリート構造物20に貼付することが可能であ
る。離型紙3は、補強用繊維シート10の貼付後に剥が
される。
The reinforcing fiber sheet 10 is attached to the concrete structure 20 with an adhesive and used to reinforce the concrete structure 20. Since the release paper 3 of the reinforcing fiber sheet 10 of the present embodiment is transparent, the presence of looseness and wrinkles can be confirmed by visually observing the release paper 3 at the time of sticking to the concrete structure 20. By adjusting so that the looseness and wrinkles are stretched at the time of sticking, the reinforcing fiber sheet 10 can be stuck to the concrete structure 20 without any slack or wrinkles. The release paper 3 is peeled off after the reinforcing fiber sheet 10 is attached.

【0011】[0011]

【発明の効果】本発明は、補強用繊維シートに弛みやし
わが生じている場合、これを容易に目視で確認すること
ができるため、貼付時の調整によって弛みやしわのない
状態でコンクリート構造物に貼付することが可能となる
効果を有する。
According to the present invention, when the reinforcing fiber sheet is loosened or wrinkled, it can be easily visually confirmed. It has the effect that it can be attached to objects.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例を示す正面断面図。FIG. 1 is a front sectional view showing an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 主材シート 2 粘着剤 3 離型紙 10 補強用繊維シート 20 コンクリート構造物 DESCRIPTION OF SYMBOLS 1 Main material sheet 2 Adhesive 3 Release paper 10 Reinforcing fiber sheet 20 Concrete structure

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 主材シートが粘着剤を介して離型紙に剥
離可能に擬似接着されているものにおいて、該離型紙が
透明あるいは半透明であることを特徴とするコンクリー
ト構造物の補強用繊維シート。
1. A reinforcing fiber for a concrete structure, wherein a main material sheet is removably pseudo-adhered to release paper via an adhesive, wherein the release paper is transparent or translucent. Sheet.
【請求項2】 主材シートが、炭素繊維シート又はアラ
ミド繊維シートによって構成されていること特徴とする
請求項1に記載のコンクリート構造物の補強用繊維シー
ト。
2. The reinforcing fiber sheet for a concrete structure according to claim 1, wherein the main material sheet is made of a carbon fiber sheet or an aramid fiber sheet.
JP13781897A 1997-05-12 1997-05-12 Reinforcing fiber sheet for concrete structure Withdrawn JPH10311145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13781897A JPH10311145A (en) 1997-05-12 1997-05-12 Reinforcing fiber sheet for concrete structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13781897A JPH10311145A (en) 1997-05-12 1997-05-12 Reinforcing fiber sheet for concrete structure

Publications (1)

Publication Number Publication Date
JPH10311145A true JPH10311145A (en) 1998-11-24

Family

ID=15207577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13781897A Withdrawn JPH10311145A (en) 1997-05-12 1997-05-12 Reinforcing fiber sheet for concrete structure

Country Status (1)

Country Link
JP (1) JPH10311145A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002070323A (en) * 2000-08-31 2002-03-08 Chishin Go Concrete structural body reinforcing method and reinforced concrete structural body
JP2006016703A (en) * 2004-06-30 2006-01-19 Kyowa Co Ltd Mesh cloth for preventing peeling of concrete and method for preventing peeling of concrete using the same
CN109406582A (en) * 2018-12-28 2019-03-01 南水北调东线总公司 A kind of Structure Damage Identification using carbon fiber change in resistance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002070323A (en) * 2000-08-31 2002-03-08 Chishin Go Concrete structural body reinforcing method and reinforced concrete structural body
JP2006016703A (en) * 2004-06-30 2006-01-19 Kyowa Co Ltd Mesh cloth for preventing peeling of concrete and method for preventing peeling of concrete using the same
CN109406582A (en) * 2018-12-28 2019-03-01 南水北调东线总公司 A kind of Structure Damage Identification using carbon fiber change in resistance

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Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20040803