KR100831087B1 - Section repair material and section repair method using the mma resins for slab of concrete bridge - Google Patents

Section repair material and section repair method using the mma resins for slab of concrete bridge Download PDF

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KR100831087B1
KR100831087B1 KR1020070077488A KR20070077488A KR100831087B1 KR 100831087 B1 KR100831087 B1 KR 100831087B1 KR 1020070077488 A KR1020070077488 A KR 1020070077488A KR 20070077488 A KR20070077488 A KR 20070077488A KR 100831087 B1 KR100831087 B1 KR 100831087B1
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copolymer resin
filler
aggregate
mma copolymer
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KR1020070077488A
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Korean (ko)
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이규완
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이규완
(주)쎄제이이앤씨
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06Acrylates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/042Magnesium silicates, e.g. talc, sepiolite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/06Quartz; Sand
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/06Quartz; Sand
    • C04B14/066Precipitated or pyrogenic silica
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/22Glass ; Devitrified glass
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/26Carbonates
    • C04B14/28Carbonates of calcium
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075Uses not provided for elsewhere in C04B2111/00 for road construction
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/20Concrete, stone or stone-like material
    • E01D2101/24Concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Bridges Or Land Bridges (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A repairing material for the top plate of a deteriorated concrete bridge is provided to realize excellent waterproof property, adhesion, strength, chemical resistance and fast curing property. A repairing material for the top plate of a deteriorated concrete bridge comprises a liquid MMA copolymer resin, filler, curing initiator and aggregate. In the repairing material, the filler comprises 15-25 wt% of calcium carbonate, 50-60 wt% of silica sand, 8-12 wt% of glass beads, 10-20 wt% of silica and 4-6 wt% of talc based on 100 wt% of the total weight. The curing initiator comprises dibenzoyl peroxide. When the repairing layer of the top plate of a deteriorated concrete bridge has a thickness of 11-20 mm in the summer season, the MMA copolymer resin, filler, curing initiator and aggregate are used in a weight ratio of 100 : 500~600 : 1~1.5 : 300.

Description

MMA 공중합수지를 혼합한 단면보수재와 이를 이용하는 열화콘크리트 교량상판 단면보수방법{Section repair material and Section repair method using the MMA resins for slab of concrete bridge}Section repair material and Section repair method using the MMA resins for slab of concrete bridge}

본 발명은 MMA 공중합수지를 혼합한 단면보수재와 이를 이용하는 열화콘크리트 교량상판 단면보수방법에 관한 것으로서, 특히 콘크리트 교량상판에 열화부가 발생하였을 때 사용되는 단면보수재의 경화성능과 방수성능 및 접착강도를 향상시킬 수 있는 MMA 공중합수지를 혼합한 단면보수재와 이를 이용하는 열화콘크리트 교량상판 단면보수방법에 관한 것이다.The present invention relates to a cross-sectional repair material mixed with MMA copolymer resin and to a cross-sectional repair method for deteriorated concrete bridge deck using the same, in particular, to improve the curing performance and waterproof performance and adhesive strength of the cross-sectional repair material used when the deterioration is generated in the concrete bridge deck The present invention relates to a cross-sectional repair material in which MMA copolymerized resin is mixed, and a cross-sectional repair method of a degraded concrete bridge deck using the same.

일반적으로, 아스콘을 포장한 도로는 계절적 온도변화에 따라 반복되는 수축 팽창, 차량에 의해 가해지는 정하중 및 동하중과 응력의 불균일, 노화 및 지반 침하, 침투수의 동결융해 및 차량 바퀴에 의한 펌핑현상 등 여러 가지 요인에 의해 아스팔트노면의 일부가 부분적으로 갈라지는 균열이나 포털현상이 발생하게 된다. 이러한 균열, 포탈 및 아스콘 포장층을 통해 빗물 및 제설제 등이 콘크리트 상판면 에 침투하게 되면 콘크리트 열화가 발생되고 철근 부식이 발생되어 콘크리트 교량 상판구조물의 내구성이 급격히 떨어지게 됨은 물론 이로 인해 포장층의 손상이 가속되게 되어 결국 차량통행에 지장을 초래할 뿐만 아니라 안전사고를 유발할 우려가 높아지고 있다. 특히, 교량의 상판에 파손부위가 발생되면, 교량의 특성상 우회도로를 찾기도 쉽지 않아서 그 교통체증이 더욱 심화된다. 따라서, 차량의 안전하고 원활한 소통과 교량의 내구성 연장을 위해서는 교량의 상판에 발생된 열화단면을 신속하게 보수해야할 필요가 있다.In general, ascon paved roads undergo repeated contraction and expansion according to seasonal temperature changes, static and dynamic loads and nonuniformity of stress applied by vehicles, aging and ground subsidence, freezing and melting of infiltration water, and pumping by vehicle wheels. Various factors cause cracks or portal phenomenon in which part of the asphalt surface is partially cracked. When rainwater and snow remover penetrates the concrete deck surface through cracks, portals and ascon paving layers, concrete deterioration and reinforcing steel will occur, leading to a drastic decline in durability of the concrete bridge deck structure. This is accelerating, which in turn not only impedes traffic, but also raises the risk of safety accidents. In particular, when a damaged portion occurs in the upper plate of the bridge, it is not easy to find the bypass road due to the nature of the bridge, the traffic jams are intensified. Therefore, in order to safely and smoothly communicate the vehicle and extend the durability of the bridge, it is necessary to quickly repair the deterioration section generated on the upper plate of the bridge.

종래의 열화 콘트리트 교량상판의 단면 보수방법은 초속경 시멘트를 이용 단면보수를 하고 그 위에 방수층을 시공한 다음 그 위에 아스콘을 포장하는 방법이 일반적이다.The conventional method for repairing the cross section of a deteriorated concrete bridge deck is to repair the cross section using cemented carbide, and to install the waterproof layer thereon, and then package the ascon on it.

그러나, 이러한 보수방법은 우선 시멘트계의 경우 동절기 작업이 불가능하여 긴급을 요하는 작업이 불가능한 문제점과 단면보수 깊이가 얇은 경우(15mm 미만) 수화반응 온도 및 아스콘 포설 온도에 의한 단면보수몰탈내부의 수분이 증발하게 되어 수분 부족으로 계속적인 수화반응이 충분히 이루어지지 않아 충분한 강도를 발휘하지 못하게 되고 이로 인해 바탕면과의 접착이 완벽하게 이루어지지 않아 쉽게 탈락되는 문제점이 있어 일정두께이상 시공을 해야 되기 때문에 열화되지 않은 부위까지 팻칭을 해주어야 하므로 시간과 경비의 부담이 늘어나게 된다.However, this repair method is a problem that it is impossible to work urgently in the case of cement-based winter operation, and when the section repair depth is thin (less than 15mm), the moisture inside the section repair mortar due to the hydration reaction temperature and ascon laying temperature As the water evaporates, the hydration reaction is not sufficiently performed due to lack of moisture, and thus the strength cannot be exerted. Therefore, the adhesion with the base surface is not perfected, so it is easily eliminated. Patching to the part that has not been done will increase the burden of time and expense.

특히 초속경 시멘트계 단면보수재의 경우 3-4시간내에 조기 경화되므로 후 공정인 방수 및 포장을 하기위한 강도(150-200kgf/cm2)는 발현되지만 완전경화 되 기까지 수화반응에 필요한 수분을 포함한 첨가수(시멘트/물비 :20%)가 단면보수재 내부에 90% 이상이 잔존하게 된다. 이 상태에서 시간의 제약때문에 후속 공정인 방수층 시공과 아스콘포장을 바로 수행해 줌으로서 단면보수재의 계속적인 수화반응시 발생되는 열과 포설 아스콘의 온도(150-170℃)에 의해 초속경 단면보수재 내부의 잔존수가 기화 팽창되게 되고 이 팽창압에 의해 새롭게 시공해준 방수층이 부풀어 오르는 방수층 들뜸현상이 발생되고 이 여파로 아스콘 포장층 또한 들뜸현상이 발생되어 차량통행에 따른 계속적인 물리적 충격을 받아 이부위의 포장층이 또다시 파손되는 문제점이 발생된다.In particular, cemented carbide cross section repair materials are pre-hardened within 3-4 hours, so the strength (150-200kgf / cm2) for waterproofing and packaging, which is a post-process, is expressed, but the added water containing water required for the hydration reaction until complete curing. (Cement / water ratio: 20%) is left over 90% inside the cross-section repair. In this state, due to time constraints, the waterproof layer construction and ascon packaging are carried out immediately, thereby remaining inside the superfast cross-section repair material due to the heat generated during the continuous hydration reaction of the cross-section repair material and the temperature of the laid ascon (150-170 ℃). As the water vaporizes and expands, the newly constructed waterproof layer is swelled, and the ascending pavement occurs. As a result, the ascon pavement is also lifted, resulting in continuous physical shocks from traffic. This problem is broken again.

본 발명은 상기한 종래기술의 문제점을 해결하기 위하여 안출된 것으로서, 뛰어난 방수성능과 접착성능, 그리고 우수한 강도 및 신속한 경화성능을 갖는 MMA 공중합수지를 충진재와 경화개시재 및 골재 등과 혼합하여 단면보수재를 제조하고, 이렇게 제조한 단면보수재를 열화부가 발생된 콘크리트 교량상판에 보수재로 사용함으로써 교통개방을 신속하게 하고 보수층을 열화부에 견고하게 부착시킬 수 있는 MMA 공중합수지를 혼합한 단면보수재와 이를 이용하는 열화콘크리트 교량상판 단면보수방법을 제공하는데 그 목적이 있다.The present invention has been made in order to solve the above problems of the prior art, by mixing MMA copolymer resin with excellent waterproof and adhesive properties, excellent strength and fast curing performance, filling materials, curing initiators and aggregates, etc. Manufactured and used as a repairing material for concrete bridge decks in which deterioration is generated, the cross-section repairing material mixed with MMA copolymer resin that can quickly open traffic and attach the repairing layer firmly to the deterioration part and deterioration using it The purpose is to provide a concrete bridge deck section repair method.

상기한 과제를 해결하기 위한 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되는 것으로, 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되, 하계에 열화콘크리트 교량상판의 보수층 두께가 11~20mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 1~1.5 : 300 인 것을 특징으로 한다.
또한, 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되는 것으로, 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되, 하계에 열화콘크리트 교량상판의 보수층 두께가 21~50mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 1~1.5 : 550 인 것을 특징으로 한다.
또한, 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되는 것으로, 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되, 하계에 열화콘크리트 교량상판의 보수층 두께가 51~100mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 1~1.5 : 700 인 것을 특징으로 한다.
또한, 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되는 것으로, 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되, 동계에 열화콘크리트 교량상판의 보수층 두께가 11~20mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 2.5~3 : 300 인 것을 특징으로 한다.
또한, 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되는 것으로, 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되, 동계에 열화콘크리트 교량상판의 보수층 두께가 21~50mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 2.5~3 : 550 인 것을 특징으로 한다.
또한, 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되는 것으로, 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되, 동계에 열화콘크리트 교량상판의 보수층 두께가 51~100mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 2.5~3 : 700 인 것을 특징으로 한다.
Sectional repair material mixed with MMA copolymer resin according to the present invention for solving the above problems is composed of a liquid MMA copolymer resin and a filler and a curing initiator and aggregate, the filler is calcium carbonate based on the total 100% by weight 15 25 wt%, silica sand 50-60 wt%, glass beads 8-12 wt%, silica 10-20 wt%, talc 4-6 wt%, and the curing initiator is dibenzoyl peroxide. When the thickness of the water-retaining layer of the deteriorated concrete bridge deck in the summer is 11 to 20 mm, the weight ratio of the MMA copolymer resin and the filler and the curing initiator and the aggregate is 100: 500 to 600: 1 to 1.5: 300.
In addition, the cross-sectional repair material mixed with the MMA copolymer resin according to the present invention is composed of a liquid MMA copolymer resin, a filler and a curing initiator and aggregate, the filler is 15 to 25% by weight calcium carbonate, based on 100% by weight of the total, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, 4 to 6% by weight of talc, the curing initiator is composed of dibenzoyl peroxide (dibenzoyl peroxide), When the repair layer thickness of the deteriorated concrete bridge plate is 21 ~ 50mm, the weight ratio of the MMA copolymer resin, the filler and the curing initiator and the aggregate is characterized in that 100: 500 ~ 600: 1 ~ 1.5: 550.
In addition, the cross-sectional repair material mixed with the MMA copolymer resin according to the present invention is composed of a liquid MMA copolymer resin, a filler and a curing initiator and aggregate, the filler is 15 to 25% by weight calcium carbonate, based on 100% by weight of the total, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, 4 to 6% by weight of talc, the curing initiator is composed of dibenzoyl peroxide (dibenzoyl peroxide), When the repair layer thickness of the deteriorated concrete bridge plate is 51 ~ 100mm, the weight ratio of the MMA copolymer resin, the filler and the curing initiator and the aggregate is characterized in that 100: 500 ~ 600: 1 ~ 1.5: 700.
In addition, the cross-sectional repair material mixed with the MMA copolymer resin according to the present invention is composed of a liquid MMA copolymer resin, a filler and a curing initiator and aggregate, the filler is 15 to 25% by weight calcium carbonate, based on 100% by weight of the total, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, 4 to 6% by weight of talc, and the curing initiator is composed of dibenzoyl peroxide. When the repair layer thickness of the deteriorated concrete bridge plate is 11-20mm, the weight ratio of the MMA copolymer resin, the filler, the curing initiator and the aggregate is 100: 500 to 600: 2.5 to 3: 300.
In addition, the cross-sectional repair material mixed with the MMA copolymer resin according to the present invention is composed of a liquid MMA copolymer resin, a filler and a curing initiator and aggregate, the filler is 15 to 25% by weight calcium carbonate, based on 100% by weight of the total, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, 4 to 6% by weight of talc, and the curing initiator is composed of dibenzoyl peroxide. When the repair layer thickness of the deteriorated concrete bridge plate is 21 ~ 50mm, the weight ratio of the MMA copolymer resin, the filler and the curing initiator and the aggregate is characterized in that 100: 500 ~ 600: 2.5 ~ 3: 550.
In addition, the cross-sectional repair material mixed with the MMA copolymer resin according to the present invention is composed of a liquid MMA copolymer resin, a filler and a curing initiator and aggregate, the filler is 15 to 25% by weight calcium carbonate, based on 100% by weight of the total, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, 4 to 6% by weight of talc, and the curing initiator is composed of dibenzoyl peroxide. When the repair layer thickness of the deteriorated concrete bridge plate is 51 ~ 100mm, the weight ratio of the MMA copolymer resin, the filler and the curing initiator and the aggregate is characterized in that 100: 500 ~ 600: 2.5 ~ 3: 700.

또한, 상기한 과제를 해결하기 위한 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재를 이용하는 열화콘크리트 교량상판 단면보수방법은 열화부가 발생된 콘크리트 교량상판에 접착조성물을 일정한 두께로 도포하는 접착조성물 도포단계 와, 상기 접착조성물의 상측에 단면보수재를 도포하여 평탄하게 시공하는 단면보수재 시공단계와, 상기 단면보수재 상측에 골재를 산포하는 골재 산포단계와, 상기 골재의 상측에 접착제를 도포하는 접착제 도포단계와, 상기 접착제의 상측에 아스콘을 포장하는 아스콘 포장단계를 포함하여 구성된다.In addition, the cross-sectional repair method of the deteriorated concrete bridge deck using a cross-sectional repair material mixed with the MMA copolymer resin according to the present invention for solving the above problems is to apply the adhesive composition to apply the adhesive composition to a concrete bridge deck with deteriorated portion to a certain thickness Step and, the construction of the cross-section repair material to apply the cross-sectional repair material on the upper side of the adhesive composition flat construction, the aggregate distribution step of dispersing the aggregate on the upper surface of the cross-sectional repair material, and the adhesive coating step of applying an adhesive on the upper side of the aggregate And, it is configured to include an ascon packaging step of wrapping the ascon on the upper side of the adhesive.

본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 접착력이 우수하고 충분한 탄성을 갖으며 뛰어난 불투수성을 갖는 MMA 공중합수지 고유의 특성을 갖고 있기 때문에 이러한 본 발명의 단면보수재를 이용하여 콘크리트 교량상판을 보수하게 되면, 상기 단면보수재가 콘크리트 및 아스콘과의 강력하게 접착되고 통행하는 차량의 하중을 견딜 수 있을 만큼 충분한 강도를 갖을 뿐만 아니라 보수한 이후에 물이나 염소이온에 의한 열화가 다시 발생치 않으며 콘크리트면과 보수면이 충격에 의하여 떨어지는 현상을 방지하여 주므로, 아스콘 포장층의 내구성을 획기적으로 늘려줄 수 있어 오랫동안 노면의 환경을 쾌적하고 견고하게 유지시켜 줄 수 있는 이점이 있다.The cross-sectional repair material in which the MMA copolymer resin is mixed according to the present invention has excellent adhesive strength, sufficient elasticity, and has the inherent characteristics of the MMA copolymer resin having excellent impermeability, thereby repairing the concrete bridge deck using the cross-sectional repair material of the present invention. In this case, the cross-sectional repair material is not only strong enough to adhere to the concrete and the asphalt concrete, and can bear the load of the passing vehicle, but also does not deteriorate due to water or chlorine ions after repair. Since the maintenance surface is prevented from falling due to impact, it is possible to significantly increase the durability of the asphalt concrete pavement layer, there is an advantage that can keep the environment of the road surface long and pleasant.

또한, 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재는 신속하게 경화되기 때문에, 이것을 이용하여 콘크리트 교량상판을 보수하게 되면 도로개방을 빨리 할 수 있고, 그만큼 교통이 지체되는 것을 방지할 수 있는 이점이 있다.In addition, since the cross-sectional repairing material mixed with the MMA copolymer resin according to the present invention is cured quickly, by using this to repair the concrete bridge deck can open the road quickly, the advantage that can prevent traffic jams that much There is this.

또한, MMA 공중합수지는 염소이온 및 차량용 유류를 포함한 각종 화학물질에 대하여 탁월한 내구성을 갖고 있으므로, 콘크리트 교량상판을 보수하기 위하여 본 발명의 단면보수재를 사용하면 그 보수층이 반영구성을 갖게 되어 경제적인 이점이 있다.In addition, MMA copolymer resin has excellent durability against various chemicals, including chlorine ions and vehicle oils, the use of the cross-sectional repair material of the present invention to repair the concrete bridge deck, the repair layer will have a reflection configuration economical advantages There is this.

이하, 본 발명에 의한 MMA 공중합수지를 혼합한 단면보수재와 이를 이용하는 열화콘크리트 교량상판 단면보수방법의 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, an embodiment of a cross-sectional repair material mixed with MMA copolymer resin according to the present invention and a method for cross-sectional repair of deteriorated concrete bridge top plate using the same.

도 1은 본 발명에 의한 열화콘크리트 교량상판 단면보수방법의 일 실시예에 따른 작업순서를 개략적으로 보인 작업순서도이고, 도 2는 도 1에 도시된 작업순서에 따라 교량상판을 보수한 모습을 보인 단면도이다.1 is a work flow chart schematically showing a work order according to an embodiment of the method for repairing deteriorated concrete bridge deck cross section according to the present invention, Figure 2 is a view showing the repair of the bridge deck according to the work order shown in FIG. It is a cross section.

본 발명의 제 1실시예에 의한 MMA 공중합수지를 혼합한 단면보수재(R1)는 액상의 MMA(Methylmetacrylate) 공중합수지와, 충진재와 경화개시재 및 골재로 구성된 것으로서, 하계에 사용함과 동시에 열화콘크리트 교량상판의 보수층 두께가 11~20mm일 때는 그 각각의 구성성분 중량비, 즉 MMA 공중합수지 : 충진재 : 경화개시재 : 골재의 중량비가 100 : 500~600 : 1~1.5 : 300 이 되도록 구성한다.
본 발명의 제 2실시예에 의한 MMA 공중합수지를 혼합한 단면보수재(R2)는 액상의 MMA(Methylmetacrylate) 공중합수지와, 충진재와 경화개시재 및 골재로 구성된 것으로서, 하계에 사용함과 동시에 열화콘크리트 교량상판의 보수층 두께가 21~50mm일 때는 그 각각의 구성성분 중량비, 즉 MMA 공중합수지 : 충진재 : 경화개시재 : 골재의 중량비가 100 : 500~600 : 1~1.5 : 550 이 되도록 구성한다.
본 발명의 제 3실시예에 의한 MMA 공중합수지를 혼합한 단면보수재(R3)는 액상의 MMA(Methylmetacrylate) 공중합수지와, 충진재와 경화개시재 및 골재로 구성된 것으로서, 하계에 사용함과 동시에 열화콘크리트 교량상판의 보수층 두께가 51~100mm일 때는 그 각각의 구성성분 중량비, 즉 MMA 공중합수지 : 충진재 : 경화개시재 : 골재의 중량비가 100 : 500~600 : 1~1.5 : 700 이 되도록 구성한다.
본 발명의 제 4실시예에 의한 MMA 공중합수지를 혼합한 단면보수재(R4)는 액상의 MMA(Methylmetacrylate) 공중합수지와, 충진재와 경화개시재 및 골재로 구성된 것으로서, 동계에 사용함과 동시에 열화콘크리트 교량상판의 보수층 두께가 11~20mm일 때는 그 각각의 구성성분 중량비, 즉 MMA 공중합수지 : 충진재 : 경화개시재 : 골재의 중량비가 100 : 500~600 : 2.5~3 : 300 이 되도록 구성한다.
본 발명의 제 5실시예에 의한 MMA 공중합수지를 혼합한 단면보수재(R5)는 액상의 MMA(Methylmetacrylate) 공중합수지와, 충진재와 경화개시재 및 골재로 구성된 것으로서, 동계에 사용함과 동시에 열화콘크리트 교량상판의 보수층 두께가 21~50mm일 때는 그 각각의 구성성분 중량비, 즉 MMA 공중합수지 : 충진재 : 경화개시재 : 골재의 중량비가 100 : 500~600 : 2.5~3 : 550 이 되도록 구성한다.
본 발명의 제 6실시예에 의한 MMA 공중합수지를 혼합한 단면보수재(R6)는 액상의 MMA(Methylmetacrylate) 공중합수지와, 충진재와 경화개시재 및 골재로 구성된 것으로서, 동계에 사용함과 동시에 열화콘크리트 교량상판의 보수층 두께가 51~100mm일 때는 그 각각의 구성성분 중량비, 즉 MMA 공중합수지 : 충진재 : 경화개시재 : 골재의 중량비가 100 : 500~600 : 2.5~3 : 700 이 되도록 구성한다.
Sectional repair material (R1) mixed with MMA copolymer resin according to the first embodiment of the present invention is composed of a liquid MMA (Methylmetacrylate) copolymer resin, a filler and a curing initiator and aggregate, used in the summer and at the same time deteriorated concrete bridge When the thickness of the water-retaining layer of the upper plate is 11-20 mm, the weight ratio of each component, that is, the MMA copolymer resin: filler: curing initiator: aggregate, is configured to be 100: 500-600: 1-1.5: 300.
Sectional repair material (R2) mixed with MMA copolymer resin according to the second embodiment of the present invention is composed of a liquid MMA (Methylmetacrylate) copolymer resin, a filler and a curing initiator and aggregate, used in the summer and at the same time deteriorated concrete bridge When the thickness of the water-retaining layer of the upper plate is 21 to 50 mm, the weight ratio of each component thereof, that is, the MMA copolymer resin: filler: curing initiator: aggregate, is configured to be 100: 500 to 600: 1 to 1.5: 550.
The cross-sectional repair material (R3) mixed with the MMA copolymer resin according to the third embodiment of the present invention is composed of a liquid MMA (Methylmetacrylate) copolymer resin, a filler, a curing starter, and an aggregate, and used in the summer and at the same time deteriorated concrete bridge When the thickness of the water-retaining layer of the upper plate is 51 to 100 mm, the weight ratio of each constituent component, that is, MMA copolymer resin: filling material: hardening initiator: aggregate is configured to be 100: 500 ~ 600: 1 ~ 1.5: 700.
Sectional repair material (R4) mixed with MMA copolymer resin according to the fourth embodiment of the present invention is composed of a liquid MMA (Methylmetacrylate) copolymer resin, a filler, a curing initiator and aggregate, used in winter, and at the same time deteriorated concrete bridge When the thickness of the water-retaining layer of the upper plate is 11-20 mm, the weight ratio of each component thereof, that is, the MMA copolymer resin: filler: curing initiator: aggregate, is configured to be 100: 500-600: 2.5-3: 300.
Sectional repair material (R5) mixed with MMA copolymer resin according to the fifth embodiment of the present invention is composed of a liquid MMA (Methylmetacrylate) copolymer resin, a filler, a curing initiator and aggregate, used in the same winter and at the same time deteriorated concrete bridge When the thickness of the water-retaining layer of the upper plate is 21-50 mm, the weight ratio of each constituent component, that is, MMA copolymer resin: filler: hardening initiator: aggregate, is configured to be 100: 500-600: 2.5-3: 550.
Sectional repair material (R6) mixed with MMA copolymer resin according to the sixth embodiment of the present invention is composed of a liquid MMA (Methylmetacrylate) copolymer resin, a filler and a curing initiator and aggregate, and used in winter, and at the same time deteriorated concrete bridge When the thickness of the water-retaining layer of the upper plate is 51 to 100 mm, the weight ratio of each component thereof, that is, the MMA copolymer resin: filler: curing initiator: aggregate, is configured to be 100: 500 to 600: 2.5 to 3: 700.

상기 제 1실시예 내지 제 6실시예에 사용되는 MMA 공중합수지는 화학관련 업계에서는 주지의 물질이므로, 여기에서는 이에 대한 자세한 설명을 생략한다.Since the MMA copolymer resin used in the first to sixth embodiments is well known in the chemical industry, a detailed description thereof will be omitted here.

상기 제 1실시예 내지 제 6실시예에 사용되는 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성된다.The filler used in the first to sixth embodiments is 15 to 25% by weight calcium carbonate, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica based on 100% by weight of the total , Talc 4 to 6% by weight.

상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 이루어진 것 으로서, 액상의 MMA 공중합수지에 경화개시재를 혼합하면 발열반응이 일어나면서 MMA 공중합수지의 경화가 시작된다.The curing initiator is made of dibenzoyl peroxide (dibenzoyl peroxide), when the curing initiator is mixed with the liquid MMA copolymer resin, the exothermic reaction occurs and the curing of the MMA copolymer resin starts.

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본 발명에 의한 제 1실시예 내지 제 6실시예의 단면보수재(R1 내지 R6)를 이용하는 열화콘크리트 교량상판 단면보수방법을 도 1 및 도 2를 참조로 하여 설명하면, 열화부(12)가 발생된 콘크리트 교량상판(10)에 접착조성물(20)을 도포하는 접착조성물 도포단계(S1)와, 상기 접착조성물 도포단계(S1)에서 도포된 접착조성물(20)의 상측에 단면보수재(R1 내지 R6 중 어느 하나)를 시공하는 단면보수재 시공단계(S2)와, 상기 단면보수재(R1 내지 R6 중 어느 하나)의 상측에 골재(30)를 산포하는 골재 산포단계(S3)와, 상기 골재(30)의 상측에 접착제(40)를 도포하는 접착제 도포단계(S4)와, 상기 접착제(40)의 상측에 아스콘(50)을 포장하는 아스콘 포장단계(S5)를 포함하여 구성된다.Referring to Figs. 1 and 2, the deteriorated concrete bridge deck plate cross section repair method using the cross-sectional repair materials R1 to R6 of the first to sixth embodiments of the present invention will be described. The adhesive composition applying step (S1) for applying the adhesive composition 20 to the concrete bridge plate 10, and in the cross-section repair material (R1 to R6) on the upper side of the adhesive composition 20 applied in the adhesive composition applying step (S1) Any one) construction of the cross-section repair material construction step (S2), the aggregate distribution step (S3) to distribute the aggregate 30 on the upper side of the cross-section repair material (any one of R1 to R6), and the aggregate of 30 It comprises an adhesive coating step (S4) for applying the adhesive 40 to the upper side, and the ascon packaging step (S5) for wrapping the ascon 50 on the adhesive 40 above.

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상기 접착조성물 도포단계(S1)는 도 1에 도시되지는 않았으나 그 공정이 수행되기 이전에 진공 블라스팅 또는 연삭기 등과 같은 장비를 이용하여 콘크리트 교량상판(10)의 열화부(12)에 산재해 있는 이물질을 제거하고, 열화부(12)에 존재하는 기름이나 그리스 등은 적합한 수용성 기름세제를 이용하여 제거하는 준비작업이 먼저 실시되어야 한다. 이렇게 해서 콘크리트 교량상판(10)의 열화부(12)가 깨끗하게 정리되고 나면 열화부(12)를 비롯한 주변, 즉 보수를 하기 위하여 재포장하려는 교량의 특정영역에 로라나 붓을 이용하여 접착조성물(20)을 일정한 두께로 도포한다.Although the adhesive composition applying step (S1) is not shown in FIG. 1, the foreign matters scattered on the deterioration part 12 of the concrete bridge deck 10 using equipment such as a vacuum blasting or grinding machine before the process is performed. To remove the oil, grease, etc. present in the deterioration portion 12 should be carried out first to prepare using a suitable water-soluble oil detergent. After the deterioration part 12 of the concrete bridge deck 10 is cleanly arranged in this way, the adhesive composition is formed by using a roller or a brush on the deterioration part 12 and the surrounding area, that is, a specific area of the bridge to be repackaged for repair. 20) is applied to a certain thickness.

상기 접착조성물 도포단계(S1)에서 사용되는 접착조성물(20)은 액상의 MMA 공중합수지로 이루어진 것이다.The adhesive composition 20 used in the adhesive composition applying step (S1) is made of a liquid MMA copolymer resin.

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상기 단면보수재 시공단계(S2)는 상기 접착조성물(20)이 도포된 교량상판 열화부(12)의 상측에 단면보수재(R1 내지 R6 중 어느 하나)를 시공한 후 가사시간(약 15분) 이내에 밀대나 흙손을 이용하여 평탄작업을 하는 공정이다. 이때 상기한 것처럼 단면보수재를 사용하는 계절과 보수층의 두께에 따라서 적절한 구성을 갖는 단면보수재를 선택하여야 한다.The cross-sectional repair material construction step (S2) is a pot life (about 15 minutes) after the construction of the cross-sectional repair material (any one of R1 to R6) on the upper side of the bridge top plate deterioration portion 12 is coated with the adhesive composition 20 It is a process of flattening by using a straw or trowel. At this time, according to the season using the cross-sectional repair material and the thickness of the repair layer should be selected a cross-sectional repair material having an appropriate configuration.

상기 골재 산포단계(S3)는 상기 단면보수재(R1 내지 R6 중 어느 하나)의 가사시간 이내, 즉 단면보수재(R1 내지 R6 중 어느 하나)가 완전히 경화되기 전에 골재(30)를 단면보수재(R1 내지 R6 중 어느 하나)의 표면에 산포하는 공정이다. 이때, 골재(30)는 단면보수재(R1 내지 R6 중 어느 하나)에 수직낙하 되도록 위에서 정방향 아래로 떨어뜨린다. 이렇게 골재(30)를 뿌리고 난 이후에 상기 단면보수재(R1 내지 R6 중 어느 하나)가 완전히 경화되고 나면 잔여 골재를 청소한다.The aggregate spreading step (S3) is a cross-sectional repair material (R1 to R1 to the aggregate 30) within the pot life of the cross-sectional repair material (any one of R1 to R6), that is, before the cross-sectional repair material (any one of R1 to R6) is completely cured. It is a process of spreading on the surface of any one of R6. At this time, the aggregate 30 is dropped downward from the top direction so as to fall vertically to the cross-sectional repair material (any one of R1 to R6). After spraying the aggregates 30, the remaining aggregates are cleaned after the cross-section repair material (any one of R1 to R6) is completely cured.

상기 접착제 도포단계(S4)는 아스팔트 유제 80%와 아크릴 수지20%로 이루어진 접착제(40)를 골재의 상측에 도포하는 단계이다.The adhesive application step (S4) is a step of applying the adhesive 40 made of 80% asphalt emulsion and 20% acrylic resin on the upper side of the aggregate.

상기 아스콘 포장단계(S5)는 골재(30)의 상측에 도포된 접착제(40)가 완전히 경화된 후 소정두께로 아스콘(50)을 포장하는 공정이다.The ascon packaging step (S5) is a process of wrapping the ascon 50 to a predetermined thickness after the adhesive 40 applied to the upper side of the aggregate 30 is completely cured.

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도 1은 본 발명에 의한 열화콘크리트 교량상판 단면보수방법의 일 실시예에 따른 작업순서를 개략적으로 보인 작업순서도.1 is a work flow chart schematically showing a work order according to an embodiment of the cross-sectional repair method of deteriorated concrete bridge deck according to the present invention.

도 2는 도 1에 도시된 작업순서에 따라 교량상판을 보수한 모습을 보인 단면도.Figure 2 is a cross-sectional view showing a state of repairing the bridge deck according to the working sequence shown in FIG.

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<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

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10: 콘크리트 교량상판 12: 열화부10: concrete bridge deck 12: deterioration

20: 접착조성물 30: 골재20: adhesive composition 30: aggregate

40: 접착제 50: 아스콘40: adhesive 50: ascon

Claims (12)

액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되어 열화콘크리트 교량상판을 보수하는 단면보수재에 있어서,In the section repair material composed of liquid MMA copolymer resin, filler, hardening initiator and aggregate, to repair the deteriorated concrete bridge deck 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되,The filler is composed of 15 to 25% by weight of calcium carbonate, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, and 4 to 6% by weight of talc, based on 100% by weight of the total material. The curing initiator is composed of dibenzoyl peroxide, 하계에 열화콘크리트 교량상판의 보수층 두께가 11~20mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 1~1.5 : 300 인 것을 특징으로 하는 MMA 공중합수지를 혼합한 단면보수재.When the repair layer thickness of the deteriorated concrete bridge deck in the summer is 11 ~ 20mm, the weight ratio of the MMA copolymer resin, filler and curing initiator and aggregate is 100: 500 ~ 600: 1 ~ 1.5: 300 MMA copolymer resin, characterized in that Mixed section repair material. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되어 열화콘크리트 교량상판을 보수하는 단면보수재에 있어서,In the section repair material composed of liquid MMA copolymer resin, filler, hardening initiator and aggregate, to repair the deteriorated concrete bridge deck 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되,The filler is composed of 15 to 25% by weight of calcium carbonate, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, and 4 to 6% by weight of talc, based on 100% by weight of the total material. The curing initiator is composed of dibenzoyl peroxide, 하계에 열화콘크리트 교량상판의 보수층 두께가 21~50mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 1~1.5 : 550 인 것을 특징으로 하는 MMA 공중합수지를 혼합한 단면보수재.When the repair layer thickness of the deteriorated concrete bridge deck in the summer is 21 ~ 50mm MMA copolymer resin, characterized in that the weight ratio of the MMA copolymer resin, filler and curing initiator and aggregate 100: 500 ~ 600: 1 ~ 1.5: 550 Mixed section repair material. 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되어 열화콘크리트 교량상판을 보수하는 단면보수재에 있어서,In the section repair material composed of liquid MMA copolymer resin, filler, hardening initiator and aggregate, to repair the deteriorated concrete bridge deck 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되,The filler is composed of 15 to 25% by weight of calcium carbonate, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, and 4 to 6% by weight of talc, based on 100% by weight of the total material. The curing initiator is composed of dibenzoyl peroxide, 하계에 열화콘크리트 교량상판의 보수층 두께가 51~100mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 1~1.5 : 700 인 것을 특징으로 하는 MMA 공중합수지를 혼합한 단면보수재.When the repair layer thickness of the deteriorated concrete bridge deck in the summer is 51 ~ 100mm MMA copolymer resin, characterized in that the weight ratio of the MMA copolymer resin, filler and curing initiator and aggregate 100: 500 ~ 600: 1 ~ 1.5: 700 Mixed section repair material. 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되어 열화콘크리트 교량상판을 보수하는 단면보수재에 있어서,In the section repair material composed of liquid MMA copolymer resin, filler, hardening initiator and aggregate, to repair the deteriorated concrete bridge deck 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되,The filler is composed of 15 to 25% by weight of calcium carbonate, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, and 4 to 6% by weight of talc, based on 100% by weight of the total material. The curing initiator is composed of dibenzoyl peroxide, 동계에 열화콘크리트 교량상판의 보수층 두께가 11~20mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 2.5~3 : 300 인 것을 특징으로 하는 MMA 공중합수지를 혼합한 단면보수재.When the repair layer thickness of the deteriorated concrete bridge deck in winter is 11 ~ 20mm, the weight ratio of the MMA copolymer resin, filler and curing initiator and aggregate is 100: 500 ~ 600: 2.5 ~ 3: 300 characterized in that the MMA copolymer resin Mixed section repair material. 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되어 열화콘크리트 교량상판을 보수하는 단면보수재에 있어서,In the section repair material composed of liquid MMA copolymer resin, filler, hardening initiator and aggregate, to repair the deteriorated concrete bridge deck 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되,The filler is composed of 15 to 25% by weight of calcium carbonate, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, and 4 to 6% by weight of talc, based on 100% by weight of the total material. The curing initiator is composed of dibenzoyl peroxide, 동계에 열화콘크리트 교량상판의 보수층 두께가 21~50mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 2.5~3 : 550 인 것을 특징으로 하는 MMA 공중합수지를 혼합한 단면보수재.When the repair layer thickness of the deteriorated concrete bridge deck in winter is 21 ~ 50mm MMA copolymer resin, characterized in that the weight ratio of the MMA copolymer resin, filler and curing initiator and aggregate 100: 500 ~ 600: 2.5 ~ 3: 550 Mixed section repair material. 액상의 MMA 공중합수지와 충진재와 경화개시재 및 골재로 구성되어 열화콘크리트 교량상판을 보수하는 단면보수재에 있어서,In the section repair material composed of liquid MMA copolymer resin, filler, hardening initiator and aggregate, to repair the deteriorated concrete bridge deck 상기 충진재는 전체 100중량%에 대하여 탄산칼슘 15~25중량%, 규사 50~60중량%, 그라스비드 8~12중량%, 실리카 10~20중량%, 탈크 4~6중량%로 구성되고, 상기 경화개시재는 디벤조일 퍼옥사이드(dibenzoyl peroxide)로 구성되되,The filler is composed of 15 to 25% by weight of calcium carbonate, 50 to 60% by weight of silica sand, 8 to 12% by weight of glass beads, 10 to 20% by weight of silica, and 4 to 6% by weight of talc, based on 100% by weight of the total material. The curing initiator is composed of dibenzoyl peroxide, 동계에 열화콘크리트 교량상판의 보수층 두께가 51~100mm일 때는 상기 MMA 공중합수지와 충진재와 경화개시재 및 골재의 중량비가 100 : 500~600 : 2.5~3 : 700 인 것을 특징으로 하는 MMA 공중합수지를 혼합한 단면보수재.When the repair layer thickness of the deteriorated concrete bridge deck in the winter is 51 ~ 100mm MMA copolymer resin, characterized in that the weight ratio of the MMA copolymer resin, filler and curing initiator and aggregate 100: 500 ~ 600: 2.5 ~ 3: 700 Mixed section repair material. 열화된 콘크리트 교량상판에 접착조성물을 일정한 두께로 도포하는 접착조성물 도포단계와;Applying an adhesive composition to the deteriorated concrete bridge deck to a predetermined thickness; 상기 접착조성물의 상측에 청구항 1, 청구항 7 내지 청구항 11 중 어느 하나의 단면보수재를 도포하여 평탄하게 시공하는 단면보수재 시공단계와;A cross section repair material construction step of applying a flat surface repair material to any one of claims 1 and 7 to 11 above the adhesive composition to construct the flat surface; 상기 단면보수재의 상측에 골재를 산포하는 골재 산포단계와;An aggregate dispersing step of dispersing aggregate on an upper side of the cross-section repairing material; 상기 골재의 상측에 접착제를 도포하는 접착제 도포단계와;An adhesive coating step of applying an adhesive to the upper side of the aggregate; 상기 접착제의 상측에 아스콘을 포장하는 아스콘 포장단계;를 포함하여 구성된 것을 특징으로 하는 MMA 공중합수지를 혼합한 단면보수재를 이용하는 열화콘크리트 교량상판 단면보수방법.An ascon packaging step of wrapping the ascon on the upper side of the adhesive; Deteriorated concrete bridge top plate cross-sectional repair method using a cross-sectional repair material mixed MMA copolymer resin, characterized in that comprises a.
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Publication number Priority date Publication date Assignee Title
KR101045340B1 (en) * 2010-11-05 2011-06-30 장원석 Mma resin suture material for repairing crack of road and method for repairing crack of road
CN109384418A (en) * 2018-11-30 2019-02-26 天津佰思特新材料科技有限公司 A kind of airfield pavement, Rapid Road Patching Material and its preparation and construction method
KR102408424B1 (en) * 2021-06-02 2022-06-14 최종열 Concrete Repair Material For Structural Section Repair
KR102683397B1 (en) 2024-05-27 2024-07-10 주식회사 삼희토건 Rapid Hardening Mortar and Repair Method using the same

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KR20060011273A (en) * 2004-07-30 2006-02-03 김영익 A mma modified eco-porous concrete and a method producing thereof

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KR970702904A (en) * 1994-05-13 1997-06-10 Polymerizable composition (POLYMERIZABLE COMPOSITIONS)
KR20030045527A (en) * 2001-12-04 2003-06-11 연규석 MMA modified UP binder composites for polymer concret and mortar
KR20060011273A (en) * 2004-07-30 2006-02-03 김영익 A mma modified eco-porous concrete and a method producing thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101045340B1 (en) * 2010-11-05 2011-06-30 장원석 Mma resin suture material for repairing crack of road and method for repairing crack of road
CN109384418A (en) * 2018-11-30 2019-02-26 天津佰思特新材料科技有限公司 A kind of airfield pavement, Rapid Road Patching Material and its preparation and construction method
KR102408424B1 (en) * 2021-06-02 2022-06-14 최종열 Concrete Repair Material For Structural Section Repair
KR102683397B1 (en) 2024-05-27 2024-07-10 주식회사 삼희토건 Rapid Hardening Mortar and Repair Method using the same

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