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KR100761511B1 - The concrete structure anti seismic reinforcement method of construction using the compound fiber panel and a high net on the strength - Google Patents

The concrete structure anti seismic reinforcement method of construction using the compound fiber panel and a high net on the strength Download PDF

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Publication number
KR100761511B1
KR100761511B1 KR1020070009240A KR20070009240A KR100761511B1 KR 100761511 B1 KR100761511 B1 KR 100761511B1 KR 1020070009240 A KR1020070009240 A KR 1020070009240A KR 20070009240 A KR20070009240 A KR 20070009240A KR 100761511 B1 KR100761511 B1 KR 100761511B1
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concrete structure
composite fiber
strength
resin
net
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KR1020070009240A
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Korean (ko)
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류철주
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(주)국민산업
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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
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • 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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

A method of reinforcing earthquake-proof architecture of a concrete structure by using compound fiber panel and a high strength net is provided to install the high strength net to a beam, a column, and a bridge structure, and to install the compound fiber net to the part which is weak structurally. A method of reinforcing earthquake-proof architecture of a concrete structure by using compound fiber panel(P) and a high strength net(N) includes the steps of treating the surface of the concrete structure, which is to be reinforced, through water jet, shot-blasting, or sand-blasting, connecting the high strength net, wherein 0.2 to 0.3% of silicon is impregnated into glass fiber shaped into lattice, with rods(R) made of compound fabric with high tension and fixing the net with tackers or fixing pins(F), installing the compound fiber panel to the concrete structure provided with the high strength net, wherein the compound fiber panel is formed by impregnating matrix resin including at least one of vinyl ester resin, unsaturated polyester resin, and radical reaction based resin of MMA to metal fiber, organic fiber, and reinforcing fiber, and attaching the compound fiber panel to the concrete structure tightly by filling adhesive resin between the concrete structure and the compound fiber panel.

Description

복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법{The concrete structure anti seismic reinforcement method of construction using the compound fiber panel and a high net on the strength}The concrete structure anti seismic reinforcement method of construction using the compound fiber panel and a high net on the strength}

도 1은 본 발명에 따른 복합섬유판과 고강도 그물망을 이용하여 콘크리트구조물을 내진 보강하는 순서를 도시한 시공 단면도.1 is a cross-sectional view showing the sequence of seismic reinforcement of a concrete structure using a composite fiber board and a high-strength net according to the present invention.

-도면의 주요부분에 대한 부호의 설명-Explanation of symbols on the main parts of the drawing

C: 콘크리트구조물 F: 고정핀C: concrete structure F: fixed pin

M: 모르타르 N: 고강도 그물망M: Mortar N: High Strength Net

P: 복합섬유판 R: 로드 P: Composite fiber board R: Rod

본 발명은 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법에 관한 것으로, 콘크리트구조물의 보, 기둥 및 교량구조물의 교각부위의 보강위치에 고강도 그물망을 시공하고, 구조적으로 취약한 부분에 복합섬유판을 부분적으로 시공하고, 그물망 시공부위에 고강도모르타르을 시공하여 콘크리트 구조물의 내진에 대한 성능을 향상시킨 복합섬유판과 고강도 그물망을 이용한 콘크리트구조 물 내진 보강공법에 관한 것이다.The present invention relates to a seismic reinforcement method for a concrete structure using a composite fiber board and a high-strength mesh, constructing a high-strength net at the reinforcement positions of beams, columns and bridge structures of the concrete structure, and partially applying the composite fiber board to structurally weak parts. The present invention relates to a seismic reinforcement method for concrete structures using a composite fiber board and a high-strength mesh that has improved the seismic performance of concrete structures by constructing high strength mortar on the netting site.

일반적으로 콘크리트구조물 보강공법은 크게 강판 접착공법, 연속섬유시트 접착공법, 단면증설공법 등이 있다.Generally, concrete structure reinforcement methods include steel sheet adhesion method, continuous fiber sheet adhesion method, cross-section extension method and the like.

상기 강판 접착공법은 콘크리트구조물의 표면에 강판을 접착제로 부착하고, 앵커로 고정하는 공법으로써, 강판의 자중이 크고, 시공시의 안전성에 주의가 필요하며, 강판 자체가 녹슬어 부식하므로, 보강 효과는 그다지 뛰어나지 못한 공법이다.The steel sheet adhesion method is a method of attaching a steel sheet to the surface of the concrete structure with an adhesive and fixing it with an anchor, the weight of the steel sheet is large, the safety of the construction needs attention, the steel sheet itself is rusted and corroded, Not very good construction.

또한, 상기 연속섬유시트 접착공법은 탄소섬유 등의 고강도 강화섬유에 상온 경화형 에폭시수지를 충분히 함침시킨 시트상의 연속섬유시트를 콘크리트구조물의 표면에 접착수지로 붙여 경화시키는 공법으로써, 콘크리트구조물의 표면에 접착한 것 만으로는 시트의 박리 파괴에 의해, 충분한 보강 효과를 얻을 수 없는 단점이 있다.In addition, the continuous fiber sheet bonding method is a method of curing by attaching a sheet-like continuous fiber sheet impregnated with high-strength reinforced fibers such as carbon fiber sufficiently room temperature-curable epoxy resin with the adhesive resin on the surface of the concrete structure, the surface of the concrete structure Only by adhering, there exists a disadvantage that sufficient reinforcement effect cannot be acquired by peeling break of a sheet | seat.

그리고, 상기 단면증설공법은 FRP부재를 콘크리트구조물의 표면에 앵커볼트로 고정한 후 모르타르를 충전하여 시공하는 공법으로써, FRP부재와 콘크리트구조물 사이에 충전되는 모르타르의 부착강도가 불충분하고, FRP부재가 전단력을 부담하기 전에는 콘크리트구조물로부터 모르타르가 쉽게 박리하여 충분한 보강 효과를 얻을 수 없는 문제점이 있다.In addition, the cross-sectional expansion method is a method of fixing the FRP member with the anchor bolt on the surface of the concrete structure and then filling the mortar, the construction is insufficient, the adhesion strength of the mortar filled between the FRP member and the concrete structure is insufficient, the FRP member shear force Prior to the burden of mortar from the concrete structure is easily peeled off there is a problem that can not obtain a sufficient reinforcing effect.

이에, 본 발명은 상기한 바와 같은 제문제점을 해결하기 위해 안출된 것으로서, 콘크리트구조물의 보, 기둥 및 교량구조물의 교각부위의 보강위치에 고강도 그 물망을 시공하고, 구조적으로 취약한 부분에 복합섬유판을 부분적으로 시공하고, 그물망 시공부위에 고강도모르타르를 시공하여 콘크리트 구조물의 내진에 대한 성능을 향상시킨 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법을 제공하는데 그 목적이 있다.Therefore, the present invention has been made to solve the problems described above, construct a high strength net in the reinforcement position of the beam, column and bridge pier of the concrete structure, and composite fiber plate on the structurally weak part The purpose of the present invention is to provide a seismic reinforcing method for concrete structures using composite fiber boards and high-strength meshes, which are partially constructed and constructed with high-strength mortar on the netting site to improve the seismic performance of concrete structures.

상기한 목적을 달성하기 위한 본 발명에 따른 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법은 보강 대상 콘크리트구조물의 표면을 워터제트(water jet), 숏블라스트(shot blasting), 또는 샌드블라스트(sand blasting)를 이용하여 표면 처리하는 단계; 상기 콘크리트구조물에 고강도 그물망을 타카 또는 고정핀을 이용하여 설치하는 단계; 상기 고강도 그물망이 부착된 콘크리트구조물에 복합섬유판을 타카 또는 고정핀을 이용하여 부착 설치하는 단계; 상기 콘크리트구조물과 복합섬유판과의 사이에 접착수지를 충전하여 복합섬유판을 콘크리트구조물에 긴밀하게 부착하는 단계로 이루어짐을 특징으로 한다.Concrete structure seismic reinforcement method using a composite fiber board and a high-strength net in accordance with the present invention for achieving the above object is a water jet (shot blasting), or sand blast (sand blast) surface treatment using blasting); Installing a high strength mesh to the concrete structure using a taka or fixing pin; Attaching the composite fiber plate to the concrete structure to which the high-strength net is attached by using a taka or a fixing pin; Filling the adhesive resin between the concrete structure and the composite fiber plate is characterized in that the step of making the composite fiber plate closely attached to the concrete structure.

이하, 본 발명을 첨부한 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

도 1(a) 내지 도 1(e)는 본 발명에 따른 복합섬유판과 고강도 그물망을 이용하여 콘크리트구조물을 내진 보강하는 순서를 도시한 시공 단면도이다.Figure 1 (a) to Figure 1 (e) is a cross-sectional view showing the construction of the seismic reinforcement of the concrete structure using a composite fiber board and a high-strength net according to the present invention.

이들 도면에 도시된 바와 같이, 본 발명에 따른 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법은 보강 대상 콘크리트구조물(C)의 표면을 워터제트(water jet), 숏블라스트(shot blasting), 또는 샌드블라스트(sand blasting)를 이용하여 표면 처리하는 단계; 상기 콘크리트구조물(C)에 고강도 그물 망(N)을 타카 또는 고정핀을 이용하여 설치하는 단계; 상기 고강도 그물망(N)이 부착된 콘크리트구조물(C)에 복합섬유판(P)을 타카 또는 고정핀(F)을 이용하여 부착 설치하는 단계; 상기 콘크리트구조물(C)과 복합섬유판(P)과의 사이에 접착수지를 충전하여 복합섬유판(P)을 콘크리트구조물(C)에 긴밀하게 부착하는 단계로 이루어진다.As shown in these figures, the seismic reinforcement method of the concrete structure using the composite fiber board and the high-strength net according to the present invention is a water jet, shot blasting, or the surface of the concrete structure (C) to be reinforced Surface treatment using sand blasting; Installing a high strength mesh net (N) on the concrete structure (C) using a taka or fixing pin; Attaching and installing the composite fiber plate (P) on the concrete structure (C) to which the high-strength mesh (N) is attached using a taka or fixing pin (F); Filling the adhesive resin between the concrete structure (C) and the composite fiber plate (P) consists of a step of closely attaching the composite fiber plate (P) to the concrete structure (C).

여기서, 상기 고강도 그물망(N)은 격자형상으로 이루어진 유리섬유 그리드에 0.2-0.3% 규사를 함침시켜 제조한 것이다.Here, the high-strength net (N) is prepared by impregnating 0.2-0.3% silica sand in a grid of glass fiber.

또한, 상기 고강도 그물망(N)과 그물망(N)의 연결은 고인장인 복합 장섬유로 제조된 로드(R)로 연결한다.In addition, the connection of the high-strength net (N) and the net (N) is connected to the rod (R) made of a composite long fiber of high tensile.

그리고, 상기 접착수지는 비닐에스테르수지, 불포화 폴리에스테르수지, 폴리아미드 수지, 상온 경화형 에폭시수지, 열경화형 에폭시수지, 폴리카보네이트 수지, 또는, ＭＭＡ등의 래디칼 반응계 수지를 적어도 일종 이상 포함하는 것이다.The adhesive resin may include at least one radical reactive resin such as vinyl ester resin, unsaturated polyester resin, polyamide resin, room temperature curing epoxy resin, thermosetting epoxy resin, polycarbonate resin, or MMA.

또한, 상기 복합섬유판(P)은 강화섬유에 매트릭스수지를 함침 형성되며, 상기 강화섬유는 탄소섬유, 유리섬유, 세라믹스섬유를 포함한 무기섬유；붕소, 티탄, 스틸 등의 금속섬유；아라미드, 폴리에스텔, 폴리에틸렌, 나일론, PBO, 고강도 폴리프로필렌 등의 유기섬유；등에서 선택되는 몇 개의 섬유 또는 상기 섬유를 복수종 혼합한 하이브리드 타입으로 이루어지며, 상기 매트릭스수지는 비닐에스테르수지, 불포화 폴리에스테르수지, 폴리아미드수지, 상온 경화형 에폭시수지, 열경화형 에폭시수지, 폴리카보네이트 수지, 또는, MMA 등의 래디칼 반응계 수지를 적어도 일종 이상 포함하는 것이다.
여기서, 상기 PBO는 p-phenylene-2,6-benzobisoxazole로 인장계수 및 탄성계수가 크고, 유기고분자 섬유중에는 가장 우수한 열안정성 및 방염성을 보이며, 게다가 PBO섬유는 크리프, 화학안정성, 고온 마모성, 절단/마찰 저항성도 탁월하며 수분 흡수율이 낮아 습도에 대한 치수 안정성도 뛰어난 소재이다.In addition, the composite fiber plate (P) is formed by impregnating the matrix resin in the reinforcing fibers, the reinforcing fibers are inorganic fibers including carbon fibers, glass fibers, ceramic fibers; metal fibers such as boron, titanium, steel; aramid, polyester Organic fibers such as polyethylene, nylon, PBO, high-strength polypropylene, etc .; or a hybrid type in which a plurality of fibers are mixed. The matrix resin is vinyl ester resin, unsaturated polyester resin, polyamide. It contains at least one radical reaction system resin, such as resin, room temperature hardening type epoxy resin, thermosetting epoxy resin, polycarbonate resin, or MMA.
Here, the PBO is p-phenylene-2,6-benzobisoxazole has a high tensile modulus and elastic modulus, showing the best thermal stability and flame retardancy among the organic polymer fibers, and furthermore, PBO fibers are creep, chemical stability, high temperature wear resistance, cutting / It has excellent friction resistance and low water absorption, so it is excellent in dimensional stability against humidity.

즉, 본 발명에 따른 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법은 콘크리트구조물(C)의 표면을 워터제트(water jet), 숏블라스트(shot blasting), 또는 샌드블라스트(sand blasting)를 이용하여 표면 처리한 후, 상기 콘크리트구조물(C)에 고강도 그물망(N)을 타카 또는 고정핀을 이용하여 설치한 후, 복합섬유판(P)을 타카 또는 고정핀(F)을 이용하여 전체에 걸쳐 부착한 후, 상기 콘크리트구조물(C)과 복합섬유판(P)과의 사이에 접착수지를 충전하여 복합섬유판(P)을 콘크리트구조물(C)에 긴밀하게 부착하여 콘크리트구조물을 내진 보강하는 것이다.That is, the seismic reinforcement method of the concrete structure using the composite fiber board and the high-strength mesh according to the present invention uses a water jet, shot blasting, or sand blasting on the surface of the concrete structure (C). After surface treatment, the high-strength mesh (N) is installed on the concrete structure (C) using a taka or fixing pin, and then the composite fiber plate (P) is attached to the whole using a taka or fixing pin (F). Then, by filling the adhesive resin between the concrete structure (C) and the composite fiber plate (P) is to closely attach the composite fiber plate (P) to the concrete structure (C) to reinforce the concrete structure seismic.

이하, 본 발명을 실시예를 예로 들어 좀 더 상세히 설명한다.Hereinafter, the present invention will be described in more detail with reference to Examples.

본 발명에 따른 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법은 보강 대상 콘크리트구조물(C)의 표면을 워터제트(water jet), 숏블라스트(shot blasting), 또는 샌드블라스트(sand blasting)를 이용하여 표면 처리하는 단계; 상기 콘크리트구조물(C)에 고강도 그물망(N)을 타카 또는 고정핀(F)을 이용하여 설치하는 단계; 상기 콘크리트구조물(C)의 구조적 강도가 취약한 부분에 부착된 고강도 그물망(N)에 일정한 크기의 복합섬유판(P)을 타카 또는 고정핀(F)을 이용하여 부착 설치하는 단계; 상기 콘크리트구조물(C)과 복합섬유판(P)과의 사이에 접착수지를 충전하여 복합섬유판(P)을 콘크리트구조물(C)에 긴밀하게 부착하는 단계; 상기 복합섬유판(P)이 미부착된 콘크리트구조물(C) 부분에 거푸집을 설치하고, 콘크리트구조물(C)과 거푸집과의 사이에 모르타르(M)를 타설 및 양생하는 단계로 이루어진다.Concrete structure seismic reinforcement method using a composite fiber board and a high-strength net according to the present invention uses a water jet, shot blasting, or sand blasting the surface of the concrete structure (C) to be reinforced Surface treatment; Installing a high strength mesh (N) on the concrete structure (C) using a taka or fixing pin (F); Attaching and installing a composite fiber plate (P) of a predetermined size on a high strength net (N) attached to a weak structural strength of the concrete structure (C) using a taka or fixing pin (F); Filling the adhesive resin between the concrete structure (C) and the composite fiber plate (P) to closely attach the composite fiber plate (P) to the concrete structure (C); Forming the formwork on the concrete structure (C) to which the composite fiber plate (P) is not attached, and consists of pouring and curing mortar (M) between the concrete structure (C) and the formwork.

여기서, 상기 고강도 그물망(N)은 격자형상으로 이루어진 유리섬유 그리드에 0.2-0.3% 규사를 함침시켜 제조한 것이다.Here, the high-strength net (N) is prepared by impregnating 0.2-0.3% silica sand in a grid of glass fiber.

또한, 상기 고강도 그물망(N)과 그물망(N)의 연결은 섬유로 제조된 로드(R)로 연결한다.In addition, the connection of the high strength net (N) and the net (N) is connected by a rod (R) made of fiber.

그리고, 상기 접착수지는 비닐에스테르수지, 불포화 폴리에스테르수지, 폴리아미드 수지, 상온 경화형 에폭시수지, 열경화형 에폭시수지, 폴리카보네이트 수지, 또는, ＭＭＡ등의 래디칼 반응계 수지를 적어도 일종 이상 포함하는 것이다.The adhesive resin may include at least one radical reactive resin such as vinyl ester resin, unsaturated polyester resin, polyamide resin, room temperature curing epoxy resin, thermosetting epoxy resin, polycarbonate resin, or MMA.

또한, 상기 복합섬유판(P)은 강화섬유에 매트릭스수지를 함침 형성되며, 상기 강화섬유는 탄소섬유, 유리섬유, 세라믹스섬유를 포함한 무기섬유；붕소, 티탄, 스틸 등의 금속섬유；아라미드, 폴리에스텔, 폴리에틸렌, 나일론, PBO, 고강도 폴리프로필렌 등의 유기섬유；등에서 선택되는 몇 개의 섬유 또는 상기 섬유를 복수종 혼합한 하이브리드 타입으로 이루어지며, 상기 매트릭스수지는 비닐에스테르수지, 불포화 폴리에스테르수지, 폴리아미드수지, 상온 경화형 에폭시수지, 열경화형 에폭시수지, 폴리카보네이트 수지, 또는, MMA 등의 래디칼 반응계 수지를 적어도 일종 이상 포함하는 것이다.In addition, the composite fiber plate (P) is formed by impregnating the matrix resin in the reinforcing fibers, the reinforcing fibers are inorganic fibers including carbon fibers, glass fibers, ceramic fibers; metal fibers such as boron, titanium, steel; aramid, polyester Organic fibers such as polyethylene, nylon, PBO, high-strength polypropylene, etc .; or a hybrid type in which a plurality of fibers are mixed. The matrix resin is vinyl ester resin, unsaturated polyester resin, polyamide. It contains at least one radical reaction system resin, such as resin, room temperature hardening type epoxy resin, thermosetting epoxy resin, polycarbonate resin, or MMA.

그리고, 상기 모르타르(M)는 시멘트 모르타르, 폴리머모르타르 또는 수지모르타르로 구성되는 것이다.And, the mortar (M) is composed of cement mortar, polymer mortar or resin mortar.

즉, 본 발명에 따른 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법은 콘크리트구조물(C)의 표면을 워터제트(water jet), 숏블라스트(shot blasting), 또는 샌드블라스트(sand blasting)를 이용하여 표면 처리한 후, 상기 콘크리트구조물(C)에 고강도 그물망(N)을 타카 또는 고정핀(F)을 이용하여 설치한 후, 상기 콘크리트구조물(C)의 구조적 강도가 취약한 부분에 복합섬유판(P)을 타카 또는 고정핀(F)을 이용하여 부착 설치한 후, 콘크리트구조물(C)과 복합섬유판(P)과의 사이에 접착수지를 충전하여 복합섬유판(P)을 콘크리트구조물(C)에 긴밀하게 부착한 후, 상기 복합섬유판(P)이 미부착된 콘크리트구조물(C) 부분에 복합섬유판(P)을 부착하고, 콘크리트구조물(C)과 거푸집과의 사이에 모르타르(M)를 타설하거나 숏크리트후 양생시켜 콘크리트구조물을 내진 보강하는 것이다.That is, the seismic reinforcement method of the concrete structure using the composite fiber board and the high-strength mesh according to the present invention uses a water jet, shot blasting, or sand blasting on the surface of the concrete structure (C). After surface treatment, the high-strength net (N) is installed on the concrete structure (C) using a taka or fixing pin (F), and then the composite fiber board (P) in the weak structural strength of the concrete structure (C) ) Is attached using a taka or fixing pin (F), and then filling the adhesive resin between the concrete structure (C) and the composite fiber plate (P) to close the composite fiber plate (P) to the concrete structure (C) After attaching, the composite fiber board (P) is attached to the composite fiber board (P) to the unattached concrete structure (C) portion, and after placing the mortar (M) between the concrete structure (C) and the formwork or after shotcrete Curing concrete structure To a seismic retrofit.

이상에서 설명한 바와 같이, 본 발명에 따른 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법은 다음과 같은 효과가 있다.As described above, the seismic reinforcement method of the concrete structure using the composite fiber board and the high-strength net according to the present invention has the following effects.

첫째, 본 발명은 콘크리트구조물의 표면을 워터 제트, 숏 블라스트 또는 샌드 블라스트를 이용하여 표면처리하며, 고강도 그물망은 리벳앵커를 사용하고, 상기 그물망에 복합섬유판을 부착한 후, 그 내부에 접착수지를 충전시켜 고정됨으로써, 경량 또는 고강도 그물망을 이용하기 때문에, 작업이 하기 쉽고 안전하며, 또 콘크리트의 보강효과를 기대할 수 있으며 고강도 그물망은 유리섬유에 규사를 함침시켜 제조되므로 부식의 위험이 없기 때문에, 시공 후의 유지보수도 용이하다.First, the present invention is the surface treatment of the surface of the concrete structure using water jet, shot blast or sand blast, high-strength mesh using a rivet anchor, after attaching the composite fiber plate to the mesh, the adhesive resin therein As it is fixed by filling, it is easy and safe to work because it uses light or high strength net, and the reinforcing effect of concrete can be expected, and since the high strength net is manufactured by impregnating silica with glass fiber, there is no risk of corrosion. Easy maintenance afterwards.

둘째, 본 발명은 콘크리트구조물의 표면을 워터제트, 숏 블라스트, 또는 샌드 블라스트로 처리함으로써, 폴리머나 시멘트모르타르를 충전하는 보강공법에 있어서, 모르타르와 기설 콘크리트구조물과의 부착강도가 개선되어 높은 전단보강 효과를 얻을 수 있다.Second, the present invention by treating the surface of the concrete structure with water jet, shot blast, or sand blast, in the reinforcement method for filling the polymer or cement mortar, the adhesion strength between the mortar and the existing concrete structure is improved, high shear reinforcement The effect can be obtained.

Claims (11)

보강 대상 콘크리트구조물(C)의 표면을 워터제트(water jet), 숏블라스트(shot blasting), 또는 샌드블라스트(sand blasting)를 이용하여 표면 처리하는 단계;Surface-treating the surface of the concrete structure C to be reinforced using a water jet, shot blasting, or sand blasting; 상기 콘크리트구조물(C)에 격자형상으로 이루어진 유리섬유 그리드에 0.2-0.3% 규사를 함침시켜 제조한 고강도 그물망(N)을 고인장인 복합장섬유로 제조된 로드(R)로 연결하면서, 타카 또는 고정핀을 이용하여 설치하는 단계;While connecting the high-strength net (N) made by impregnating 0.2-0.3% silica sand into the glass fiber grid made of a lattice shape on the concrete structure (C) with a rod (R) made of a composite fiber having high tensile strength, Installing using a pin; 상기 고강도 그물망(N)이 부착된 콘크리트구조물(C)에 붕소, 티탄, 스틸의 금속섬유; 폴리에스텔, 폴리에틸렌, PBO의 유기섬유; 무기섬유를 복수종 혼합한 하이브리드 타입의 강화섬유에 비닐에스테르수지, 불포화폴리에스테르수지, MMA의 래디칼 반응계 수지를 적어도 일종 이상 포함한 매트릭스수지를 함침시켜 형성된 복합섬유판(P)을 타카 또는 고정핀(F)을 이용하여 부착 설치하는 단계;Boron, titanium, steel metal fibers in the concrete structure (C) to which the high-strength net (N) is attached; Organic fibers of polyester, polyethylene, PBO; The composite fiber board (P) formed by impregnating a matrix resin including at least one kind of vinyl ester resin, unsaturated polyester resin, and MMA radical reaction resin with hybrid type reinforcing fiber mixed with plural kinds of inorganic fibers is used as a taka or fixing pin (F). Attaching and installing); 상기 콘크리트구조물(C)과 복합섬유판(P)과의 사이에 접착수지를 충전하여 복합섬유판(P)을 콘크리트구조물(C)에 긴밀하게 부착하는 단계로 이루어짐을 특징으로 하는 복합섬유판과 고강도 그물망(N)을 이용한 콘크리트구조물 내진 보강공법. The composite fiber board and the high-strength netting, characterized in that the composite fiber board (P) is closely attached to the concrete structure (C) by filling the adhesive resin between the concrete structure (C) and the composite fiber board (P) ( Seismic reinforcement method for concrete structures using N). 삭제delete 삭제delete 삭제delete 삭제delete 보강 대상 콘크리트구조물(C)의 표면을 워터제트(water jet), 숏블라스트(shot blasting), 또는 샌드블라스트(sand blasting)를 이용하여 표면 처리하는 단계;Surface-treating the surface of the concrete structure C to be reinforced using a water jet, shot blasting, or sand blasting; 상기 콘크리트구조물(C)에 격자형상으로 이루어진 유리섬유 그리드에 0.2-0.3% 규사를 함침시켜 제조한 고강도 그물망(N)을 고인장인 복합장섬유로 제조된 로드(R)로 상호연결하면서, 타카 또는 고정핀(F)을 이용하여 설치하는 단계;While the high-strength net (N) made by impregnating 0.2-0.3% silica sand into the glass fiber grid made of a lattice shape on the concrete structure (C) is interconnected with a rod (R) made of a composite fiber of high tensile, Taka or Installing using a fixing pin (F); 상기 콘크리트구조물(C)의 구조적 강도가 취약한 부분에 부착된 고강도 그물망(N)에 붕소, 티탄, 스틸의 금속섬유; 폴리에스텔, 폴리에틸렌, PBO의 유기섬유; 무기섬유를 복수종 혼합한 하이브리드 타입의 강화섬유에 비닐에스테르수지, 불포화폴리에스테르수지, MMA의 래디칼 반응계 수지를 적어도 일종 이상 포함한 매트릭스수지를 함침시켜 형성된 복합섬유판(P)을 타카 또는 고정핀(F)을 이용하여 부착 설치하는 단계;Boron, titanium, steel metal fibers in the high-strength net (N) attached to the weak structural strength of the concrete structure (C); Organic fibers of polyester, polyethylene, PBO; The composite fiber board (P) formed by impregnating a matrix resin including at least one kind of vinyl ester resin, unsaturated polyester resin, and MMA radical reaction resin with hybrid type reinforcing fiber mixed with plural kinds of inorganic fibers is used as a taka or fixing pin (F). Attaching and installing); 상기 콘크리트구조물(C)과 복합섬유판(P)과의 사이에 접착수지를 충전하여 복합섬유판(P)을 콘크리트구조물(C)에 긴밀하게 부착하는 단계;Filling the adhesive resin between the concrete structure (C) and the composite fiber plate (P) to closely attach the composite fiber plate (P) to the concrete structure (C); 상기 복합섬유판(P)이 미부착된 콘크리트구조물(C) 부분에 복합섬유판(P)을 부착하고, 콘크리트구조물(C)과 복합섬유판(P)과의 사이에 모르타르(M)를 타설하거나 또는 숏크리트 후 양생하는 단계로 이루어짐을 특징으로 하는 복합섬유판과 고강도 그물망을 이용한 콘크리트구조물 내진 보강공법.After attaching the composite fiber plate (P) to the concrete structure (C) portion that is not attached to the composite fiber plate (P), after pouring the mortar (M) or the shotcrete between the concrete structure (C) and the composite fiber plate (P) Seismic reinforcement method for concrete structures using composite fiberboard and high-strength mesh characterized in that the curing step. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
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