JP3299948B2 - Method for strengthening the fixing part of high strength fiber reinforced plastic molded plate - Google Patents

Method for strengthening the fixing part of high strength fiber reinforced plastic molded plate

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Publication number
JP3299948B2
JP3299948B2 JP37574899A JP37574899A JP3299948B2 JP 3299948 B2 JP3299948 B2 JP 3299948B2 JP 37574899 A JP37574899 A JP 37574899A JP 37574899 A JP37574899 A JP 37574899A JP 3299948 B2 JP3299948 B2 JP 3299948B2
Authority
JP
Japan
Prior art keywords
anchor
reinforced plastic
strength fiber
plastic molded
plate
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.)
Expired - Fee Related
Application number
JP37574899A
Other languages
Japanese (ja)
Other versions
JP2001182335A (en
Inventor
義友 細井
清一 西村
Original Assignee
タケモル工業株式会社
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Application filed by タケモル工業株式会社 filed Critical タケモル工業株式会社
Priority to JP37574899A priority Critical patent/JP3299948B2/en
Publication of JP2001182335A publication Critical patent/JP2001182335A/en
Application granted granted Critical
Publication of JP3299948B2 publication Critical patent/JP3299948B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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、鉄筋コンクリート
構造物の耐震補強・耐荷力向上・ひび割れ防止等の目的
の為に、高強度繊維強化プラスチック成形板をモルタル
および、コンクリート等の無機質硬化体の表面に貼り付
けて行うが、貼り付け面の所要個所に強固に取り付けら
れた鉄板面にも高強度繊維強化プラスチック成形板を貼
り付けることによって、定着部の強化を図った耐震補強
・耐荷力向上・ひび割れ防止等の構造補強を行う技術に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a high-strength fiber-reinforced plastic molded plate on a surface of a mortar or a hardened inorganic material such as concrete for the purpose of seismic reinforcement, improvement of load capacity, prevention of cracks, etc. of a reinforced concrete structure. The high-strength fiber-reinforced plastic molded plate is also attached to the iron plate surface that is firmly attached to the required location on the attachment surface, thereby strengthening the anchoring section and improving seismic reinforcement and load capacity. The present invention relates to a technique for performing structural reinforcement such as crack prevention.

【0002】[0002]

【従来の技術】高強度繊維強化プラスチック成形板を用
いて既存鉄筋コンクリート構造物の構造補強を行う場合
の多くは直接コンクリートまたはモルタル等の無機質硬
化体の表面に接着剤を介して高強度繊維強化プラスチッ
ク成形板を貼り付ける方法であった。
2. Description of the Related Art In many cases, structural reinforcement of an existing reinforced concrete structure using a high-strength fiber-reinforced plastic molding plate is performed directly on the surface of a hardened inorganic material such as concrete or mortar via an adhesive. It was a method of attaching a formed plate.

【0003】上記の場合、無機質硬化体の表面に接着剤
を介して高強度繊維強化プラスチック成形板を貼り付け
た試験体の引張り試験結果では、必ず無機質硬化試験体
の表層個所で破壊し、その引張り強度も低い。
[0003] In the above case, in the tensile test result of a specimen in which a high-strength fiber-reinforced plastic molded plate is adhered to the surface of the cured inorganic substance via an adhesive, the specimen always breaks at the surface layer of the cured inorganic specimen. Low tensile strength.

【0004】これは、高強度繊維強化プラスチック成形
板の引張り強さが最も高く、次に接着剤の引張り強さ、
接着強さ等が高く、最も低いのが無機質硬化体の引張り
強さであることが原因している。
[0004] This is because the high-strength fiber-reinforced plastic molded plate has the highest tensile strength, followed by the tensile strength of the adhesive,
This is because the adhesive strength and the like are high, and the lowest is the tensile strength of the cured inorganic material.

【0005】つまり、高強度繊維強化プラスチック成形
板の引張り強さを十分に発揮するには、無機質硬化体の
強度を向上する必要があった。
That is, in order to sufficiently exhibit the tensile strength of the high-strength fiber-reinforced plastic molded plate, it is necessary to improve the strength of the inorganic cured product.

【0006】無機質硬化体の強度向上を図るために、無
機質硬化体の表面処理を入念に行なっても強度向上の効
果は微々たるものであった。
[0006] Even if the surface treatment of the inorganic cured product is carefully performed in order to improve the strength of the inorganic cured product, the effect of improving the strength is insignificant.

【0007】[0007]

【発明が解決しようとする課題】高強度繊維強化プラス
チック成形板を用いて鉄筋コンクリート構造物の構造補
強を行なう場合に、無機質硬化体の表面に直接高強度繊
維強化プラスチック成形板を貼り付けると、無機質硬化
体の強さで補強効果が決まるので、これを解決するには
高強度繊維強化プラスチック成形板との接着性に優れ、
且つ、無機質硬化体表面の引張り強さ、せん断強さを高
めることが可能な性状を有する鉄板を利用することであ
る。
When a high-strength fiber-reinforced plastic molded plate is used to reinforce the structure of a reinforced concrete structure, if the high-strength fiber-reinforced plastic molded plate is directly adhered to the surface of the cured inorganic material, the inorganic material becomes Since the reinforcing effect is determined by the strength of the cured body, to solve this, it has excellent adhesion to the high-strength fiber-reinforced plastic molding plate,
In addition, an iron plate having a property capable of increasing the tensile strength and the shear strength of the surface of the inorganic cured material is used.

【0008】本発明は、これらの事情に鑑み、下記構成
とする事によって、上述した問題を解決することを目的
としている。すなわち、
The present invention has been made in view of these circumstances, and has as its object to solve the above-described problems by adopting the following configuration. That is,

【0009】無機質硬化体表層部に、無機質硬化体との
固着性能に優れたアンカー部を有する金属板に接着剤を
介して高強度繊維強化プラスチック成形板を貼り付ける
ことを基本的な構成とすることによって解決する。
The basic structure is that a high-strength fiber-reinforced plastic molded plate is attached to a metal plate having an anchor portion excellent in fixing performance with the inorganic cured body on the surface layer of the inorganic cured body via an adhesive. By solving it.

【0010】上記の構成において、高強度繊維強化プラ
スチック成形板が本来有する性能を十分に発揮するに
は、高強度繊維強化プラスチック成形板と鉄板との接着
性、鉄板の強さ、アンカー部の強さ等が良好な状態で無
ければならない。
In the above configuration, in order to sufficiently exhibit the performance inherent in the high-strength fiber-reinforced plastic molded plate, the adhesion between the high-strength fiber-reinforced plastic molded plate and the iron plate, the strength of the iron plate, and the strength of the anchor portion are required. It must be in good condition.

【0011】高強度繊維強化プラスチック成形板と鉄板
との接着性は、例えばエポキシ樹脂と高強度繊維強化プ
ラスチック板の場合では100kgf/cm2以上の接着
力を有しているので問題ない。
The adhesiveness between the high-strength fiber-reinforced plastic molded plate and the iron plate is not a problem, for example, in the case of an epoxy resin and a high-strength fiber-reinforced plastic plate, since they have an adhesive force of 100 kgf / cm2 or more.

【0012】アンカー付き金属板に必要な性能を保持さ
せる為には、所要の大きさ、厚さに加工すればよいので
問題は無い。
In order to maintain the required performance of the metal plate with an anchor, there is no problem since the metal plate may be processed to a required size and thickness.

【0013】アンカー部の強さとして求められるのは、
引抜き強さ、せん断耐力であるが、所要の長さ、直径に
加工すればよいので問題は無い。
What is required as the strength of the anchor portion is
Although the drawing strength and the shear strength are sufficient, there is no problem since it may be processed to the required length and diameter.

【0014】つまり、本発明のような構成とすることに
よって、高強度繊維強化プラスチック成形板が本来有す
る性能を十分に発揮させる既存鉄筋コンクリート構造物
の補強・補修方法が可能である。
In other words, by adopting the configuration as in the present invention, a method for reinforcing and repairing an existing reinforced concrete structure that allows the performance inherent in the high-strength fiber-reinforced plastic molded plate to be sufficiently exhibited is possible.

【0015】[0015]

【課題を解決するための手段】本発明は、前記課題を解
決するために、次の技術手段を採用した。つまり、請求
項1記載の発明においては、既存鉄筋コンクリート構造
物の補強・補修方法として、次ぎの工程を備えたことを
特徴とする高強度繊維強化プラスチック成形板の定着部
強化方法である。 (1)高強度繊維強化プラスチック成形板を貼る位置の
コンクリート又はモルタル面において、幅6〜8cmの
帯状にサンダー掛けを行い、フレッシュ面を露出させ
る。 (2)高強度繊維強化プラスチック成形板を貼る位置
に、強化定着施工点のマーキングを行なう。 (3)該マーキングをした個所にアンカー付き金属板が
納まる溝とアンカー孔を穿設する。 (4)次に、予め準備してあるアンカー付き金属板を前
記アンカー孔内にアンカー用接着剤を介して挿入、固定
する。そして、溝の空隙部分には充填用レジンモルタル
を充填埋め戻しする。 (5)前記フレッシュ面とアンカー付き金属板表面に接
着剤を塗布し、高強度繊維強化プラスチック成形板を貼
ることによって、フレッシュ面では無機質硬化体の強度
による定着を、アンカー付き金属板面では高強度繊維強
化プラスチック成形板の性能を十分に発揮する強度によ
る定着を図るという技術手段を採用した。
The present invention employs the following technical means in order to solve the above-mentioned problems. That is, the invention according to claim 1 is a method for reinforcing a fixing portion of a high-strength fiber-reinforced plastic molded plate, comprising the following steps as a method for reinforcing and repairing an existing reinforced concrete structure. (1) On a concrete or mortar surface at a position where a high-strength fiber-reinforced plastic molded plate is to be stuck, sanding is performed in a band shape having a width of 6 to 8 cm to expose a fresh surface. (2) Marking of the reinforced fixing point is performed at the position where the high-strength fiber-reinforced plastic molded plate is to be stuck. (3) A groove and an anchor hole for accommodating the metal plate with an anchor are formed in the marked portion. (4) Next, a metal plate with an anchor prepared in advance is inserted and fixed in the anchor hole via an anchor adhesive. Then, the filling resin mortar is filled and backfilled in the voids of the grooves. (5) An adhesive is applied to the fresh surface and the surface of the metal plate with anchors, and a high-strength fiber-reinforced plastic molded plate is applied to fix the inorganic hardened material on the fresh surface with the strength of the cured inorganic material, and to increase the strength on the metal plate with anchors. The technical means of fixing by the strength to sufficiently exhibit the performance of the high-strength fiber-reinforced plastic molded plate was adopted.

【0016】請求項2記載の発明においては、既存鉄筋
コンクリート構造物の補強・補修方法として、次ぎの工
程を備えたことを特徴とする高強度繊維強化プラスチッ
ク成形板の定着部強化方法である。 (1)高強度繊維強化プラスチック成形板を貼る位置の
コンクリート又はモルタル面において、幅6〜8cmの
帯状にサンダー掛けを行い、フレッシュ面を露出させ
る。 (2)高強度繊維強化プラスチック成形板を貼る位置
に、強化定着施工点のマーキングを行なう。 (3)該マーキングをした個所にアンカー孔を穿設す
る。 (4)前記フレッシュ面に接着剤を塗布し、高強度繊維
強化プラスチック成形板を貼る。 (5)前記強化定着施工点のマーキング個所の高強度繊
維強化プラスチック成形板表面に接着剤を塗布し、予め
準備してあるアンカー付き金属板を前記アンカー孔内に
アンカー用接着剤を介して挿入、固定することによっ
て、フレッシュ面では無機質硬化体の強度による定着を
図り、アンカー付き金属板面では高強度繊維強化プラス
チック成形板の性能を十分に発揮する強度による定着を
加えるという技術手段を採用した。
According to a second aspect of the present invention, there is provided a method for reinforcing a fixing portion of a high-strength fiber-reinforced plastic molded plate, comprising the following steps as a method for reinforcing and repairing an existing reinforced concrete structure. (1) On a concrete or mortar surface at a position where a high-strength fiber-reinforced plastic molded plate is to be stuck, sanding is performed in a band shape having a width of 6 to 8 cm to expose a fresh surface. (2) Marking of the reinforced fixing point is performed at the position where the high-strength fiber-reinforced plastic molded plate is to be stuck. (3) Drill an anchor hole at the marked location. (4) An adhesive is applied to the fresh surface, and a high-strength fiber-reinforced plastic molded plate is attached. (5) An adhesive is applied to the surface of the high-strength fiber-reinforced plastic molding plate at the marking point of the reinforced fixing point, and a metal plate with an anchor prepared in advance is inserted into the anchor hole via the adhesive for anchor. By fixing, the technical means of fixing by the strength of the inorganic hardened body on the fresh surface and adding the fixing by the strength that fully demonstrates the performance of the high-strength fiber-reinforced plastic molded plate on the metal plate surface with anchor was adopted. .

【0017】請求項3記載の発明においては、既存鉄筋
コンクリート構造物の補強・補修方法として、次ぎの工
程を備えたことを特徴とする高強度繊維強化プラスチッ
ク成形板の定着部強化方法である。 (1)高強度繊維強化プラスチック成形板を貼る位置の
コンクリート又はモルタル面において、幅6〜8cmの
帯状にサンダー掛けを行い、フレッシュ面を露出させ
る。 (2)高強度繊維強化プラスチック成形板を貼る位置
に、強化定着施工点のマーキングを行なう。 (3)該マーキングをした個所にアンカー付き金属板が
納まる溝とアンカー孔を穿設する。 (4)次に、予め準備してあるアンカー付き金属板を前
記アンカー孔内にアンカー用接着剤を介して挿入、固定
する。そして、溝の空隙部分には充填用レジンモルタル
を充填埋め戻しする。 (5)前記フレッシュ面とアンカー付き金属板に接着剤
を塗布し、高強度繊維強化プラスチック成形板を貼る。 (6)次に、該マーキング個所の高強度繊維強化プラス
チック成形板表面に接着剤を塗布すると共に、予め準備
してある上面用アンカー付き金属板を前記アンカー孔内
にアンカー用接着剤を介して挿入、固定するか、上面用
アンカー付き金属板を下面用アンカー付き金属板にビス
止めすると言う技術手段を採用した。
According to a third aspect of the present invention, there is provided a method for reinforcing a fixing portion of a high-strength fiber-reinforced plastic molded plate, comprising the following steps as a method for reinforcing and repairing an existing reinforced concrete structure. (1) On a concrete or mortar surface at a position where a high-strength fiber-reinforced plastic molded plate is to be stuck, sanding is performed in a band shape having a width of 6 to 8 cm to expose a fresh surface. (2) Marking of the reinforced fixing point is performed at the position where the high-strength fiber-reinforced plastic molded plate is to be stuck. (3) A groove and an anchor hole for accommodating the metal plate with an anchor are formed in the marked portion. (4) Next, a metal plate with an anchor prepared in advance is inserted and fixed in the anchor hole via an anchor adhesive. Then, the filling resin mortar is filled and backfilled in the voids of the grooves. (5) An adhesive is applied to the fresh surface and the metal plate with anchor, and a high-strength fiber-reinforced plastic molded plate is attached. (6) Next, an adhesive is applied to the surface of the high-strength fiber-reinforced plastic molded plate at the marking location, and a metal plate with an upper surface anchor prepared in advance is inserted into the anchor hole via the adhesive for anchor. The technical means of inserting and fixing or screwing the metal plate with the anchor for the upper surface to the metal plate with the anchor for the lower surface was adopted.

【0018】請求項4記載の発明においては、既存鉄筋
コンクリート構造物の出隅部又は、入隅部における補強
・補修方法として、該部位にL形アンカー付き金物を用
いて、前記請求項1、請求項2または、請求項3記載の
発明における各工程を備えたことを特徴とする高強度繊
維強化プラスチック成形板の定着部強化方法と言う技術
手段を採用した。
In the invention according to claim 4, as a method of reinforcing and repairing at an outer corner or an inner corner of an existing reinforced concrete structure, a metal with an L-shaped anchor is used at the above-mentioned corner, and A technical means called a method for strengthening a fixing portion of a high-strength fiber-reinforced plastic molded plate, which is provided with the respective steps in the invention according to the second or third aspect, is employed.

【0019】請求項5記載の発明においては、高強度繊
維強化プラスチック成形板として、炭素繊維、アラミド
繊維、スチール繊維、ガラス繊維等の高強度繊維を一方
向に引き揃えて板状に成形したことを特徴とする請求項
1〜請求項4の何れか1項記載の高強度繊維強化プラス
チック成形板の定着部強化方法と言う技術手段を採用し
た。
According to the fifth aspect of the present invention, as the high-strength fiber-reinforced plastic molded plate, carbon fiber, aramid fiber, steel fiber, glass fiber or other high-strength fiber is drawn in one direction and formed into a plate shape. A technical means for strengthening a fixing portion of a high-strength fiber-reinforced plastic molded plate according to any one of claims 1 to 4, characterized in that:

【0020】請求項6記載の発明においては、アンカー
付き金属板として、鉄、ステンレス等の金属材料で、単
数または複数のアンカー部分と頭部平板が一体化してい
るものと、別体にしたものを特徴とする請求項1、請求
項2,請求項3,請求項4または請求項5記載の高強度
繊維強化プラスチック成形板の体着部強化方法という技
術手段を採用した。
According to a sixth aspect of the present invention, the metal plate with an anchor is made of a metal material such as iron or stainless steel, and is made of a material in which one or more anchor portions and a flat plate of the head are integrated with each other. The technical means of the method for reinforcing a body-attached portion of a high-strength fiber-reinforced plastic molded plate according to claim 1, claim 2, claim 3, claim 4 or claim 5 is adopted.

【0021】[0021]

【発明の実施の形態】以上説明したように本発明は既存
鉄筋コンクリート構造物の耐震補強・耐荷力向上・ひび
割れ防止等の為に、高強度繊維強化プラスチック成形板
を用いて構造補強を行なう技術手段である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS As described above, the present invention provides technical means for reinforcing existing reinforced concrete structures by using a high-strength fiber-reinforced plastic molded plate in order to enhance seismic resistance, improve load-bearing capacity, and prevent cracks. It is.

【0022】[0022]

【実施例】以下、添付の図面を参照して本発明の実施例
について詳述する。
Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

【0023】本発明の第1実施例について説明する。先
ず、図1に示すようにコンクリート躯体1又は、モルタ
ル層2の表面の高強度繊維強化プラスチック成形板貼付
け箇所4の既存塗材3を帯状に(幅6〜8cm)剥がし
てフレッシュ面5を露出させ、高強度繊維強化プラスチ
ック成形板貼付け箇所4に所要の間隔で施工点のマーキ
ング6を行う。
A first embodiment of the present invention will be described. First, as shown in FIG. 1, the existing coating material 3 at the high strength fiber reinforced plastic molded plate attaching portion 4 on the surface of the concrete skeleton 1 or the mortar layer 2 is peeled off in a band shape (width 6 to 8 cm) to expose the fresh surface 5. Then, the marking 6 of the construction point is made at a required interval on the high-strength fiber-reinforced plastic molded plate sticking point 4.

【0024】図2に示すように高強度繊維強化プラスチ
ック成形板を貼り付けるフレッシュ面5のマーキング6
位置でアンカー孔7及び、溝8を穿設する。
As shown in FIG. 2, a marking 6 on a fresh surface 5 to which a high-strength fiber-reinforced plastic molded plate is attached.
At the position, the anchor hole 7 and the groove 8 are formed.

【0025】図3に示すようにアンカー孔7にアンカー
用接着剤9を注入し予め準備してあるアンカー付き金属
板10を挿入固定する。
As shown in FIG. 3, an adhesive 9 for an anchor is injected into the anchor hole 7, and a metal plate 10 with an anchor prepared in advance is inserted and fixed.

【0026】図4に示すようにアンカー付き金属板10
は、頭部平板10−1とアンカー部分10−2からな
り、事前に一体化しているものと、アンカー部分10−
2と頭部平板10−1が分離しているものが使用され
る。
As shown in FIG.
Consists of a head plate 10-1 and an anchor portion 10-2, which are integrated in advance and an anchor portion 10-
2 and the head plate 10-1 are used separately.

【0027】図5に示すように、アンカー付き金属板1
0の表面及び、フレッシュ面5に、接着剤12を塗布
し、その表面に高強度繊維強化プラスチック成形板13
を当接し、ゴムローラー等で押圧しながら接着させる。
As shown in FIG. 5, an anchored metal plate 1
0 and the fresh surface 5 are coated with an adhesive 12 and a high-strength fiber-reinforced plastic molding plate 13 is applied to the surface.
Are brought into contact with each other and adhered while being pressed by a rubber roller or the like.

【0028】次に本発明の第2実施例について説明す
る。図6に示すように、高強度繊維強化プラスチック成
形板貼付け個所4の既存塗材3を帯状に(幅6〜8c
m)剥してフレッシュ面5を露出させ、高強度繊維強化
プラスチック成形板貼付け箇所4に所要の間隔で施工点
のマーキング6を行う。
Next, a second embodiment of the present invention will be described. As shown in FIG. 6, the existing coating material 3 at the high-strength fiber-reinforced plastic molded plate sticking point 4 is strip-shaped (width 6 to 8 c
m) Peeling off to expose the fresh surface 5 and performing marking 6 of the construction point at a required interval on the high-strength fiber-reinforced plastic molded plate attaching portion 4.

【0029】図7に示すように、マーキング6位置にア
ンカー孔7を穿設する。
As shown in FIG. 7, an anchor hole 7 is formed at the position of the marking 6.

【0030】図8に示すように、フレッシュ面5に接着
剤12を塗布し、その表面に高強度繊維強化プラスチッ
ク成形板13を当接し、ゴムローラー等で押圧しながら
接着させる。アンカー孔7にはアンカー用接着剤9を注
入し、予め準備してあるアンカー付き鉄板10を挿入固
定する。このとき、アンカー部分10−2のみを前以て
定着させておくことも可能である。
As shown in FIG. 8, an adhesive 12 is applied to the fresh surface 5, and a high-strength fiber-reinforced plastic molded plate 13 is brought into contact with the surface, and is adhered while pressing with a rubber roller or the like. An anchor adhesive 9 is injected into the anchor hole 7, and a prepared iron plate 10 with an anchor is inserted and fixed. At this time, it is also possible to fix only the anchor portion 10-2 in advance.

【0031】次に、本発明の第3実施例について説明す
る。先ず、図9に示すようにコンクリート躯体1又は、
モルタル層2の表面の高強度繊維強化プラスチック成形
板貼付け箇所4の既存塗材3を帯状に(幅6〜8cm)
剥がしてフレッシュ面5を露出させ、高強度繊維強化プ
ラスチック成形板貼付け箇所4に所要の間隔で施工点の
マーキング6を行う。
Next, a third embodiment of the present invention will be described. First, as shown in FIG.
The existing coating material 3 at the place 4 where the high-strength fiber-reinforced plastic molded plate is attached on the surface of the mortar layer 2 is formed into a band shape (width 6 to 8 cm).
The fresh surface 5 is peeled off, and markings 6 of construction points are made at required intervals on the high-strength fiber-reinforced plastic molded plate sticking point 4.

【0032】図10に示すように高強度繊維強化プラス
チック成形板13を貼り付けるフレッシュ面5のマーキ
ング6位置でアンカー孔7及び、溝8を穿設する。
As shown in FIG. 10, an anchor hole 7 and a groove 8 are formed at the position of the marking 6 on the fresh surface 5 where the high-strength fiber-reinforced plastic molded plate 13 is to be attached.

【0033】図11に示すように、アンカー孔7にアン
カー用接着剤9を注入し予め準備してあるアンカー付き
金属板10を挿入固定する。下面用アンカー付き金属板
10の表面及び、フレッシュ面5に、接着剤12を塗布
し、その表面に高強度繊維強化プラスチック成形板13
を当接し、ゴムローラー等で押圧しながら接着させる。
As shown in FIG. 11, an anchor adhesive 9 is injected into the anchor hole 7, and a metal plate 10 with an anchor prepared in advance is inserted and fixed. An adhesive 12 is applied to the surface of the metal plate 10 with anchors for the lower surface and the fresh surface 5, and a high-strength fiber-reinforced plastic molded plate 13 is applied to the surface.
Are brought into contact with each other and adhered while being pressed by a rubber roller or the like.

【0034】図12に示すように、マーキング6位置の
高強度繊維強化プラスチック成形板13の表面に接着剤
12塗布し、その表面に上面用アンカー付き金属板14
を当設すると共に、両端のアンカー孔7にはアンカー用
接着剤9を注入し、上面用アンカー付き金属板14を固
定するか、上面用アンカー付き金属板を下面用アンカー
付き金属板にビス止めする。
As shown in FIG. 12, an adhesive 12 is applied to the surface of the high-strength fiber-reinforced plastic molded plate 13 at the position of the marking 6, and the surface of the metal plate 14
And an adhesive 9 for an anchor is injected into the anchor holes 7 at both ends to fix the metal plate 14 with the anchor for the upper surface, or screw the metal plate with the anchor for the upper surface to the metal plate with the anchor for the lower surface. I do.

【0035】次に、本発明の第4実施例について説明す
る。図13に示すように、無機質硬化体15の出隅部分
及び、入隅部分にL形アンカー付き金物16を取り付
け、続いて高強度繊維強化プラスチック成形板13を設
置する工法で、第1実施例で示した施工手順に準じてい
る。
Next, a fourth embodiment of the present invention will be described. As shown in FIG. 13, the first embodiment employs a method in which a metal member 16 with an L-shaped anchor is attached to an outer corner portion and an inner corner portion of an inorganic cured body 15, and then a high-strength fiber-reinforced plastic molded plate 13 is installed. It is in accordance with the construction procedure shown in.

【0036】次に、本発明の第5実施例について説明す
る。図14に示すように、高強度繊維強化プラスチック
成形板13を無機質硬化体15の出隅部分及び、入隅部
分に貼り付け、続いてL形アンカー付き金物16を取り
付ける工法であり、第2実施例で示した施工手順に準じ
ている
Next, a fifth embodiment of the present invention will be described. As shown in FIG. 14, a method of attaching a high-strength fiber-reinforced plastic molded plate 13 to an outgoing corner portion and an inward corner portion of an inorganic cured body 15 and subsequently attaching a metal member 16 with an L-shaped anchor is shown in FIG. According to the construction procedure shown in the example

【0037】次に、本発明の第6実施例について説明す
る。図15に示すように、無機質硬化体15の出隅部分
及び、入隅部分に下面用L形アンカー付き金物16及
び、上面用L形アンカー付き金物17を取り付ける工法
であり、第3実施例で示した施工手順に準じている。
Next, a sixth embodiment of the present invention will be described. As shown in FIG. 15, a method of attaching a metal member 16 with an L-shaped anchor for a lower surface and a metal member 17 with an L-shaped anchor for an upper surface to the protruding corner portion and the entering corner portion of the inorganic cured material 15 is used in the third embodiment. According to the construction procedure shown.

【0038】[0038]

【発明の効果】高強度繊維強化プラスチック成形板を用
いて構造補強を行なう場合、コンクリート又はモルタル
の表面に接着剤を用いて貼り付けると、高強度繊維強化
プラスチック成形板が有する本来の引張り強度を発揮す
るまでも無く、コンクリート又は、モルタル等の無機硬
化体の引張り強度、せん断強度で耐力が決まる欠点があ
ったが、本発明によれば高強度繊維強化プラスチック成
形板が有する本来の強度を発揮することが可能となる。 (1)高強度繊維強化プラスチック成形板は軽量なので
施工性に優れている。 (2)高強度繊維強化プラスチック成形板は耐食性に優
れている。 (3)アンカー付き金属板を用いることによって高強度
繊維強化プラスチック成形板の引張り強さを最大限に発
揮できる。 (4)アンカー付き金属板は小型なので施工性に優れて
いる。 (5)高強度繊維強化プラスチック成形板は弾性係数が
高く、線膨張係数が小さいので補強・補修効果が高い。
According to the present invention, when structural reinforcement is performed using a high-strength fiber-reinforced plastic molded plate, the original tensile strength of the high-strength fiber-reinforced plastic molded plate can be reduced by adhering to the surface of concrete or mortar with an adhesive. Needless to say, concrete or mortar has a drawback that the strength is determined by the tensile strength and shear strength of the cured inorganic material, but according to the present invention, the original strength of the high-strength fiber-reinforced plastic molded plate is exhibited. It is possible to do. (1) Since the high-strength fiber-reinforced plastic molded plate is lightweight, it has excellent workability. (2) The high-strength fiber-reinforced plastic molded plate has excellent corrosion resistance. (3) By using a metal plate with an anchor, the tensile strength of a high-strength fiber-reinforced plastic molded plate can be maximized. (4) Since the metal plate with the anchor is small, it is excellent in workability. (5) The high-strength fiber-reinforced plastic molded plate has a high elasticity coefficient and a small linear expansion coefficient, so that the reinforcing and repairing effects are high.

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

【図1】本発明の第1実施例である鉄筋コンクリート構
造物の補強・補修方法における既存塗膜の処理(部分剥
し)の説明図である。
FIG. 1 is an explanatory diagram of a treatment (partial peeling) of an existing coating film in a method of reinforcing and repairing a reinforced concrete structure according to a first embodiment of the present invention.

【図2】前記第1実施例における高強度繊維強化プラス
チック成形板(厚さ1〜2mm)を貼り付ける帯状面に
所要の直径のアンカー孔と、アンカー付き金属板を貼り
付ける溝を設ける説明図である。
FIG. 2 is an explanatory view in which an anchor hole of a required diameter and a groove for attaching a metal plate with an anchor are provided on a belt-like surface to which a high-strength fiber-reinforced plastic molded plate (thickness: 1 to 2 mm) in the first embodiment is attached. It is.

【図3】前記第1実施例におけるアンカー孔にアンカー
用接着剤を注入し、溝内にアンカー付き金属板を貼り付
け処理の説明図である。
FIG. 3 is an explanatory view of a process of injecting an anchor adhesive into an anchor hole and attaching a metal plate with an anchor in a groove in the first embodiment.

【図4】前記第1実施例におけるアンカー付き金属板の
構成が、頭部平板とアンカー部分からなっていることの
説明図である。
FIG. 4 is an explanatory view showing that the configuration of the metal plate with anchor in the first embodiment is composed of a flat plate of a head and an anchor portion.

【図5】前記第1実施例における高強度繊維強化プラス
チック成形板(厚さ1〜2mm)を貼り付ける帯状面に
設けたアンカー付き金属板とフレッシュ面に接着剤を塗
布し、高強度繊維強化プラスチック成形板を貼り付ける
説明図である
FIG. 5 shows a high-strength fiber reinforced plastic plate in which the high strength fiber reinforced plastic molded plate (thickness: 1 to 2 mm) of the first embodiment is attached to a metal plate with an anchor provided on a belt-like surface and an adhesive is applied to a fresh surface. It is explanatory drawing which sticks a plastic molding board

【図6】本発明の第2実施例である鉄筋コンクリート構
造物の補強・補修方法における既存塗膜の処理(部分剥
し)の説明図である。
FIG. 6 is an explanatory view of a treatment (partial peeling) of an existing coating film in a method of reinforcing and repairing a reinforced concrete structure according to a second embodiment of the present invention.

【図7】前記第2実施例におけるアンカー孔穿設の説明
図である。
FIG. 7 is an explanatory view of drilling an anchor hole in the second embodiment.

【図8】前記第2実施例において帯状に既存塗膜を剥し
た面に接着剤を介して高強度繊維強化プラスチック成形
板を貼り付け、その表面に所要間隔毎にアンカー付き金
属板を設ける説明図である。
FIG. 8 is an explanatory view of attaching a high-strength fiber-reinforced plastic molded plate via an adhesive to a surface from which the existing coating film has been stripped off in the second embodiment and providing metal plates with anchors at required intervals on the surface. FIG.

【図9】本発明の第3実施例である鉄筋コンクリート構
造物の補強・補修方法における既存塗膜の処理(部分剥
し)の説明図である。
FIG. 9 is an explanatory view of a treatment (partial peeling) of an existing coating film in a method of reinforcing and repairing a reinforced concrete structure according to a third embodiment of the present invention.

【図10】前記第3実施例における高強度繊維強化プラ
スチック成形板(厚さ1〜2mm)を貼り付ける帯状面
に所要の直径と深さを有するアンカー孔と、アンカー付
き金属板を貼り付ける溝を設ける説明図である。
FIG. 10 shows an anchor hole having a required diameter and depth on a belt-like surface to which a high-strength fiber-reinforced plastic molded plate (thickness: 1 to 2 mm) according to the third embodiment is attached, and a groove for attaching a metal plate with anchor. FIG.

【図11】前記第3実施例における中央アンカー孔にア
ンカー用接着剤を注入し、溝内にアンカー付き金属板を
貼り付けた後、アンカー付き金属板とフレッシュ面に接
着剤を塗布し、高強度繊維強化プラスチック成形板を貼
り付ける説明図である
FIG. 11 shows an example in which an adhesive for anchor is injected into the central anchor hole in the third embodiment, and a metal plate with an anchor is attached in the groove. It is explanatory drawing which sticks a high strength fiber reinforced plastic molding board

【図12】前記第3実施例において高強度繊維強化プラ
スチック成形板の表面に、所要間隔毎に上面用アンカー
付き金属板を設ける説明図である。
FIG. 12 is an explanatory view of providing a metal plate with an upper surface anchor at required intervals on the surface of a high-strength fiber-reinforced plastic molded plate in the third embodiment.

【図13】本発明の第4実施例である鉄筋コンクリート
構造物の出隅部分、入隅部分の補強・補修方法にL形ア
ンカー付き金物を使用する方法に関するうち、先にL形
アンカー付き金物を設置し、続いて高強度繊維強化プラ
スチック成形板を貼り付ける説明図である。
FIG. 13 is a fourth embodiment of the present invention, which relates to a method of using a metal member with an L-shaped anchor for reinforcing and repairing a protruding corner portion and a corner portion of a reinforced concrete structure. It is explanatory drawing which installs and then sticks a high-strength fiber reinforced plastic molding board.

【図14】本発明の第4実施例である鉄筋コンクリート
構造物の出隅部分、入隅部分の補強・補修方法にL形ア
ンカー付き金物を使用する方法に関するうち、先に高強
度繊維強化プラスチック成形板を貼付け、続いてL形ア
ンカー付き金物を高強度繊維強化プラスチック成形板の
表面に設置する説明図である。
FIG. 14 is a fourth embodiment of the present invention, in which a method of using a metal with an L-shaped anchor for a method of reinforcing and repairing an outer corner portion and an inner corner portion of a reinforced concrete structure, firstly, molding a high-strength fiber-reinforced plastic; It is explanatory drawing which affixes a board | plate and installs the metal body with an L-shaped anchor on the surface of a high-strength fiber-reinforced plastic molded board subsequently.

【図15】本発明の第4実施例である鉄筋コンクリート
構造物の出隅部分、入隅部分の補強・補修方法にL形ア
ンカー付き金物を使用する方法に関するうち、先に下面
用L形アンカー付き金物を設置し、続いて高強度繊維強
化プラスチック成形板を貼り付け、更に上面用L形アン
カー付き金物を高強度繊維強化プラスチック成形板の表
面に設置する説明図である。
FIG. 15 relates to a method of using a metal with an L-shaped anchor for a method of reinforcing and repairing an outer corner and an inner corner of a reinforced concrete structure according to a fourth embodiment of the present invention; It is explanatory drawing which installs a metal part, affixes the high-strength fiber-reinforced plastic molded board subsequently, and also installs the metal body with an L-shaped anchor for an upper surface on the surface of a high-strength fiber-reinforced plastic molded plate.

【符号の説明】[Explanation of symbols]

1‥‥コンクリート躯体 2‥‥モルタル層 3‥‥既存塗材 4‥‥高強度繊維強化プラスチック成形板貼り付け箇所 5‥‥フレッシュ面 6‥‥マーキン
グ 7‥‥アンカー孔 8‥‥溝 9‥‥アンカー用接着剤 10‥‥アンカー
付き金属板 12‥‥接着剤 13‥‥高強度繊維強化プラスチック成形板 14‥‥上面用アンカー付き金属板 15‥‥無機質
硬化体 16‥‥下面用L形アンカー付き金物 17‥‥上面用
L形アンカー付き金物
1 Concrete body 2 Mortar layer 3 Existing coating material 4 High-strength fiber reinforced plastic molded board attachment point 5 Fresh surface 6 Marking 7 Anchor hole 8 Groove 9 Adhesive for anchor 10 Metal plate with anchor 12 Adhesive 13 High-strength fiber reinforced plastic molded plate 14 Metal plate with anchor for upper surface 15 Inorganic hardened body 16 With L-shaped anchor for lower surface Hardware 17mm Hardware with L-shaped anchor for upper surface

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) E04G 23/02 B29C 63/02 E04C 5/07 E04F 13/04 108 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) E04G 23/02 B29C 63/02 E04C 5/07 E04F 13/04 108

Claims (6)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 既存鉄筋コンクリート構造物の補強・補
修方法として、次の工程を備えたことを特徴とする高強
度繊維強化プラスチック成形板の定着部強化方法 (1)高強度繊維強化プラスチック成形板を貼る位置の
コンクリート又はモルタル面において、幅6〜8cmの
帯状にサンダー掛けを行い、フレッシュ面を露出させ
る。 (2)高強度繊維強化プラスチック成形板を貼る位置
に、強化定着施工点のマーキングを行なう。 (3)該マーキングをした個所にアンカー付き金属板が
納まる溝とアンカー孔を穿設する。 (4)次に、予め準備してあるアンカー付き金属板を前
記アンカー孔内にアンカー用接着剤を介して挿入、固定
する。そして、溝の空隙部分には充填用レジンモルタル
を充填埋め戻しする。 (5)前記フレッシュ面とアンカー付き金属板に接着剤
を塗布し、高強度繊維強化プラスチック成形板を貼る。
A method for reinforcing and repairing an existing reinforced concrete structure comprising the following steps: (1) a method for reinforcing a fixing portion of a high-strength fiber-reinforced plastic molded plate; On the concrete or mortar surface at the position to be stuck, sanding is performed in a band shape having a width of 6 to 8 cm to expose the fresh surface. (2) Marking of the reinforced fixing point is performed at the position where the high-strength fiber-reinforced plastic molded plate is to be stuck. (3) A groove and an anchor hole for accommodating the metal plate with an anchor are formed in the marked portion. (4) Next, a metal plate with an anchor prepared in advance is inserted and fixed in the anchor hole via an anchor adhesive. Then, the filling resin mortar is filled and backfilled in the voids of the grooves. (5) An adhesive is applied to the fresh surface and the metal plate with anchor, and a high-strength fiber-reinforced plastic molded plate is attached.
【請求項2】 既存鉄筋コンクリート構造物の補強・補
修方法として、次の工程を備えたことを特徴とする高強
度繊維強化プラスチック成形板の定着部強化方法 (1)高強度繊維強化プラスチック成形板を貼る位置の
コンクリート又はモルタル面において、幅6〜8cmの
帯状にサンダー掛けを行い、フレッシュ面を露出させ
る。 (2)高強度繊維強化プラスチック成形板を貼る位置
に、強化定着施工点のマーキングを行なう。 (3)該マーキングをした個所にアンカー孔を穿設す
る。 (4)前記フレッシュ面に接着剤を塗布し、高強度繊維
強化プラスチック成形板を貼る。 (5)前記強化定着施工点のマーキング個所の高強度繊
維強化プラスチック成形板表面に接着剤を塗布し、予め
準備してあるアンカー付き金属板を前記アンカー孔内に
アンカー用接着剤を介して挿入、固定する。
2. A method for reinforcing a fixed part of a high-strength fiber-reinforced plastic molded plate, comprising the following steps as a method of reinforcing and repairing an existing reinforced concrete structure. On the concrete or mortar surface at the position to be stuck, sanding is performed in a band shape having a width of 6 to 8 cm to expose the fresh surface. (2) Marking of the reinforced fixing point is performed at the position where the high-strength fiber-reinforced plastic molded plate is to be stuck. (3) Drill an anchor hole at the marked location. (4) An adhesive is applied to the fresh surface, and a high-strength fiber-reinforced plastic molded plate is attached. (5) An adhesive is applied to the surface of the high-strength fiber-reinforced plastic molding plate at the marking point of the reinforced fixing point, and a metal plate with an anchor prepared in advance is inserted into the anchor hole via the adhesive for anchor. , Fix.
【請求項3】 既存鉄筋コンクリート構造物の補強・補
修方法として、次の工程を備えたことを特徴とする高強
度繊維強化プラスチック成形板の定着部強化方法 (1)高強度繊維強化プラスチック成形板を貼る位置の
コンクリート又はモルタル面において、幅6〜8cmの
帯状にサンダー掛けを行い、フレッシュ面を露出させ
る。 (2)高強度繊維強化プラスチック成形板を貼る位置
に、強化定着施工点のマーキングを行なう。 (3)該マーキングをした個所に下面用アンカー付き金
属板が納まる溝とアンカー孔を穿設する。 (4)次に、予め準備してある下面用アンカー付き金属
板を前記アンカー孔内にアンカー用接着剤を介して挿
入、固定する。そして、溝の空隙部分には充填用レジン
モルタルを充填埋め戻しする。 (5)前記フレッシュ面と下面用アンカー付き金属板表
面に接着剤を塗布し、高強度繊維強化プラスチック成形
板を貼る。 (6)次に、該マーキング個所の高強度繊維強化プラス
チック成形板表面に接着剤を塗布すると共に、予め準備
してある上面用アンカー付き金属板を前記アンカー孔内
にアンカー用接着剤を介して挿入、固定するか、上面用
アンカー付き金属板を下面用アンカー付き金属板にビス
止めする。
3. A method of reinforcing and repairing an existing reinforced concrete structure, comprising the following steps: (1) A method of reinforcing a fixing portion of a high-strength fiber-reinforced plastic molded plate. On the concrete or mortar surface at the position to be stuck, sanding is performed in a band shape having a width of 6 to 8 cm to expose the fresh surface. (2) Marking of the reinforced fixing point is performed at the position where the high-strength fiber-reinforced plastic molded plate is to be stuck. (3) A groove and an anchor hole for accommodating the metal plate with the anchor for the lower surface are formed at the marked position. (4) Next, a metal plate with a lower surface anchor prepared in advance is inserted and fixed into the anchor hole via an anchor adhesive. Then, the filling resin mortar is filled and backfilled in the voids of the grooves. (5) An adhesive is applied to the fresh surface and the surface of the metal plate with anchors for the lower surface, and a high-strength fiber-reinforced plastic molded plate is attached. (6) Next, an adhesive is applied to the surface of the high-strength fiber-reinforced plastic molded plate at the marking location, and a metal plate with an upper surface anchor prepared in advance is inserted into the anchor hole via the adhesive for anchor. Insert or fix, or screw the metal plate with the anchor for the upper surface to the metal plate with the anchor for the lower surface.
【請求項4】 既存鉄筋コンクリート構造物の隅角部又
は、入隅部における補強・補修方法として、該部位にL
形アンカー付き金物を用いて、前記請求項1、請求項2
または、請求項3記載の発明における各工程を備えたこ
とを特徴とする高強度繊維強化プラスチック成形板の定
着部強化方法。
4. As a method of reinforcing or repairing a corner or a corner of an existing reinforced concrete structure, a L
The above-mentioned claim 1 and claim 2 using a metal with a shape anchor.
A method for reinforcing a fixing portion of a high-strength fiber-reinforced plastic molded plate, comprising the steps of the invention according to claim 3.
【請求項5】 高強度繊維強化プラスチック成形板とし
て、炭素繊維、アラミド繊維、スチール繊維、ガラス繊
維等の高強度繊維を一方向に引き揃えて板状に成形した
ことを特徴とする請求項1〜請求項4の何れか1項に記
載の高強度繊維強化プラスチック成形板の定着部強化方
法。
5. A high-strength fiber-reinforced plastic molded plate, wherein high-strength fibers such as carbon fibers, aramid fibers, steel fibers, and glass fibers are drawn in one direction and formed into a plate shape. The method for reinforcing a fixing portion of a high-strength fiber-reinforced plastic molded plate according to any one of claims 1 to 4.
【請求項6】 アンカー付き金属板として、鉄、ステン
レス等の金属材料で、単数又は複数のアンカー部分と頭
部平板が一体化しているものと、別体にしたものを特徴
とする請求項1,請求項2,請求項3,請求項4または
請求項5記載の何れか1項に記載の高強度繊維強化プラ
スチック成形板の定着部強化方法。
6. The metal plate with an anchor, which is made of a metal material such as iron or stainless steel, wherein one or a plurality of anchor portions and a head plate are integrated with each other, and the metal plate is separately provided. The method of reinforcing a fixing part of a high-strength fiber-reinforced plastic molded plate according to any one of claims 2, 3, 4, and 5.
JP37574899A 1999-12-28 1999-12-28 Method for strengthening the fixing part of high strength fiber reinforced plastic molded plate Expired - Fee Related JP3299948B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP37574899A JP3299948B2 (en) 1999-12-28 1999-12-28 Method for strengthening the fixing part of high strength fiber reinforced plastic molded plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP37574899A JP3299948B2 (en) 1999-12-28 1999-12-28 Method for strengthening the fixing part of high strength fiber reinforced plastic molded plate

Publications (2)

Publication Number Publication Date
JP2001182335A JP2001182335A (en) 2001-07-06
JP3299948B2 true JP3299948B2 (en) 2002-07-08

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Country Link
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4836614B2 (en) * 2006-03-08 2011-12-14 株式会社竹中土木 Method for reinforcing concrete structures

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