KR100475763B1 - The method of water proofing and anticorroding the surface of concrete constructions using fabric of reinforced fiber and reinforcement material of plastic resin - Google Patents

The method of water proofing and anticorroding the surface of concrete constructions using fabric of reinforced fiber and reinforcement material of plastic resin Download PDF

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KR100475763B1
KR100475763B1 KR10-2002-0006126A KR20020006126A KR100475763B1 KR 100475763 B1 KR100475763 B1 KR 100475763B1 KR 20020006126 A KR20020006126 A KR 20020006126A KR 100475763 B1 KR100475763 B1 KR 100475763B1
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coating
resin
concrete
epoxy resin
waterproofing
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KR10-2002-0006126A
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Korean (ko)
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KR20030065996A (en
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김삼환
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일화기업 주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/28Multiple coating on one surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/726Permeability to liquids, absorption
    • B32B2307/7265Non-permeable
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D11/00Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E04D11/02Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition

Abstract

콘크리트 구조물의 방수 및 방식공법에 있어서, 구조물의 표면 전처리공정을 거친 전 표면층에, ①에폭시수지에 변성아크릴수지를 혼합한 초도재코팅층, ②보강유리섬유직포층, ③에폭시수지 및 경화제 그리고 무기충진제로 혼합한 중도재코팅층, ④2액형 에폭시수지도료와 무기충진제를 혼합한 상도재로서 2회에 걸쳐 코팅층을 형성시킨 강화유리섬유직포 및 합성수지 보강재료를 이용한 콘크리트 구조물의 방수 및 방식공법에 관한 것임.In the waterproofing and anticorrosive method of concrete structure, ① surface coating layer of epoxy resin mixed with epoxy resin, ② reinforcement glass fiber fabric layer, ③ epoxy resin and hardener and inorganic filler It is a water-resistant and anticorrosive method of concrete structure using reinforcing glass fiber woven fabric and synthetic resin reinforcing material which formed coating layer twice.

Description

강화섬유직포 및 합성수지 보강재료를 이용한 콘크리트 구조물의 방수 및 방식공법{THE METHOD OF WATER PROOFING AND ANTICORRODING THE SURFACE OF CONCRETE CONSTRUCTIONS USING FABRIC OF REINFORCED FIBER AND REINFORCEMENT MATERIAL OF PLASTIC RESIN}TECHNICAL FIELD OF WATER PROOFING AND ANTICORRODING THE SURFACE OF CONCRETE CONSTRUCTIONS USING FABRIC OF REINFORCED FIBER AND REINFORCEMENT MATERIAL OF PLASTIC RESIN}
본 발명은 내충격성, 내마모성 및 내약품성이 우수하며 방수층에 균열이나 박리현상을 방지할 수 있는 콘크리트 구조물의 방수 및 방식공법에 관한 것으로 좀더 구체적으로는 구조물의 방수 시공면에 폴리카보네이트 수지로 캡슐 코팅된 유리섬유직포를 적층하고 여기에 변성아크릴 수지를 배합한 에폭시수지로 첨착도포하여 보강 처리함으로서 방수층이 강력한 인장강도 및 내충격성을 갖게 함으로서 균열과 표면박리현상을 방지할 수 있는 방수 및 방식공법에 관한 것이다. The present invention relates to a waterproof and anticorrosive method of a concrete structure which is excellent in impact resistance, abrasion resistance and chemical resistance, and can prevent cracking or peeling on the waterproof layer, and more specifically, capsule coating with polycarbonate resin on the waterproof construction surface of the structure. Laminated glass fiber woven fabric is coated with epoxy resin mixed with modified acrylic resin, and it is reinforced and reinforced so that the waterproof layer has strong tensile strength and impact resistance, thereby preventing cracks and surface peeling. It is about.
종래 방수공법으로 방수제를 첨가한 시멘트몰탈로 미장한 다음 역청물질을 적층하거나 역청물질을 적층시킨 합성수지필름을 적층하는 방법 등을 사용함으로서 층간에 간극이 발생함으로서 완벽한 방수를 기대할 수 없고 방수층의 강도가 약하여 쉽게 균열이 발생할 수 있다. By using cement mortar with a waterproofing method and using a conventional waterproofing method, laminating bitumen materials or laminating synthetic resin films laminated with bitumen materials, gaps are generated between layers, so that perfect waterproofing cannot be expected. Weak and easy to crack.
그밖에 종래 액체침투식 방수시공법의 일 예로 천연고무엘라스토미와 시멘트 몰탈 배합물로 콘크리트 표면을 전처리하고 그 위에 아크릴 수지도료층, 방수시멘트, 천연고무엘라스토머와 시멘트몰탈배합층, 아크릴수지도료층, 에폭시수지도료층의 순서로 적층시킨 방수공법이 있다. In addition, as an example of the conventional liquid-penetrating waterproof construction method, the concrete surface is pretreated with a natural rubber elastomer and cement mortar compound, and acrylic resin coating layer, waterproof cement, natural rubber elastomer and cement mortar compounding layer, acrylic resin coating layer, epoxy resin on it. There is a waterproof method laminated in the order of the paint layer.
이와 같이 시공된 방수층은 방수성, 내충격성이 좋으나 방수층의 인장강도, 내압성이 약하여 내균열성이 만족스럽지 못하다. The waterproof layer constructed as described above has good waterproofness and impact resistance, but the tensile strength and pressure resistance of the waterproof layer are not satisfactory.
본 발명은 건축물의 지하구조물, 옥상구조물, 내수압을 필요로 하는 정수장, 폐수처리장, 배수지 및 각종 콘크리트구조물, 해수에 침적되는 구조물 등에 폴리카보네이트로 캡슐 코팅된 유리섬유직포에 무기충진제를 첨가시킨 에폭시수지를 첨착시켜 적층시킴으로서 방수층에 강력한 인장강도와 충격강도를 부여함으로서 방수층의 균열과 박리현상을 방지함과 동시에 콘크리트 구조물에 우수한 방수성과 방식성을 부여할 수 있는 방수 및 방식공법을 제공함에 목적이 있다. The present invention is an epoxy resin in which an inorganic filler is added to a glass fiber woven fabric coated with polycarbonate in underground structures, rooftop structures, water purification plants requiring water pressure, wastewater treatment plants, drainage and various concrete structures, and structures deposited in seawater. It is intended to provide waterproofing and anticorrosive method that can give excellent waterproof and anticorrosive property to concrete structure while preventing crack and peeling of waterproofing layer by imparting strong tensile strength and impact strength to waterproofing layer by attaching .
본 발명은 콘크리트 구조물의 방수층에 요구되는 일반적인 물성을 충분하게 구비함은 물론 폴리카보네이트수지로 캡슐 코팅된 유리강화섬유직포를 변성아크릴수지가 배합된 에폭시수지로 보강 처리하여 적층시킴으로서 방수층의 인장강도 및 내충격성을 극대화하여 방수층의 균열 및 박리현상을 방지할 수 있는 시멘트 구조물의 방수 및 방식공법에 관한 것으로 이를 공정별로 설명하면 다음과 같다. The present invention not only has sufficient general physical properties required for the waterproof layer of the concrete structure, but also the tensile strength of the waterproof layer by reinforcing and laminating the glass-reinforced fiber woven fabric capsule-coated with polycarbonate resin by epoxy resin containing modified acrylic resin. It is related to the waterproofing and anticorrosive method of the cement structure to maximize the impact resistance to prevent cracking and peeling phenomenon of the waterproof layer.
가. 1단계공정 : 전처리공정end. Stage 1: Pretreatment
전처리작업으로서 표면처리는 유분이나 레이턴스, 페인트 등을 완전히 제거하고 이물질(철선, 못)은 파취 하여 제거한 후 수지시멘트, 모르터 등으로 평활 하게 마감하고 균열 부위는 U커팅 후 에폭시수지에 변성아크릴수지를 배합 가공한 하도재(바탕재)로 평활 하게 마감하여 누수부위가 있을 시는 알루미나 시멘트를 주성분으로 하는 지수제로 지수처리하며 파이프 주변 등에 누수가 있을 시는 사출 에폭시공법 또는 아이에이치(IH) 특수방수공법으로 지수 처리한다. As a pretreatment operation, surface treatment completely removes oil, latency and paint, and removes foreign substances (iron wire and nails), and then smoothly finishes them with resin cement and mortar. Is smoothly finished with a mixed base material (base material), and when there is a leaking part, it is treated with an index agent based on alumina cement, and when there is a leak around the pipe, it is injection epoxy method or IH (specialized in IH). Exponential treatment with waterproof method.
나. 2단계공정 : 초도재 도포공정I. 2nd step process: Super ceramic coating process
1단계 공정의 전처리 공정이 끝나면 에폭시수지에 변성아크릴수지를 배합한 초도재로 전 표면에 0.5-1mm두께로 도막을 접착 형성한다. After the pretreatment process of the first step, the epoxy resin is mixed with a modified acrylic resin to form a coating film with a thickness of 0.5-1mm on the entire surface.
다. 3단계공정 : 강화유리섬유직포에 중도재 첨착적층공정All. 3 step process: attaching intermediate materials to reinforced glass fiber fabric
폴리카보네이트수지로 캡슐 코팅된 강화유리섬유직포를 작업조건에 맞도록 재단하여 2단계공정에서 형성시킨 초도재의 도막층(코팅층)에 즉시 부착시켜 문지른 다음 10시간 정도 고착 경화시킨 후 에폭시수지에 경화제 및 무기충진제를 배합시킨 중도재를 압송식 분무기나 로울러로 겹덮어 바르기를 하며 0.2mm-0.5mm 두께로 1회 도장한다. Reinforced fiberglass woven capsule-coated with polycarbonate resin was cut to fit the working conditions and immediately adhered to the coating layer (coating layer) of the initial material formed in the two-step process, followed by rubbing and curing for 10 hours. The intermediate material mixed with inorganic filler is covered with a pressure sprayer or roller, and coated once with 0.2mm-0.5mm thickness.
라. 4단계공정 : 상도재 도포공정la. 4 step process: Top coating material coating process
3단계공정의 중도재를 도포한 후 20-24시간 경과 후 에폭시수지에 경화제 및 무기질 촉진제를 혼용한 2액형수지도료(HYPRO-IH·NO 02)에 상기 무기충진재를 첨가하여 중도재도장 방법과 동일한 방법으로 0.2mm-0.5mm 두께로 도장한다. After 20-24 hours of application of the intermediate material in the three-step process, the inorganic filler is added to the two-component resin coating material (HYPRO-IH · NO 02) in which a curing agent and an inorganic accelerator are mixed with the epoxy resin. In the same way, paint 0.2mm-0.5mm thick.
마. 5단계공정 : 마감도장공정hemp. 5 step process: finishing coating process
상도재의 2회 도포공정으로 4단계에서 사용한 상도재 즉 에폭시수지에 경화제 및 무기질촉진제를 첨가한 2액형 수지도료와 무기충진재를 혼합한 도장재를 4공정과 같은 방법으로 도포(코팅)한다. In the two-coating process of the top coat, the top coat, used in step 4, is coated (coated) in the same manner as the top coat, i.e., a coating material in which a two-component resin and an inorganic filler are added with a curing agent and an inorganic accelerator.
위의 방법에서 사용되는 재료들의 특성을 알아보면, 2단계공정에서 사용되는 초도재료(HYPRO-IH P-100)는 에폭시수지에 변성아크릴수지를 동량으로 배합한 바탕재로서 콘크리트의 건습면, 기타 몰탈의 건습면을 불문하고 강력한 접착력을 가지며 내산, 내알카리, 내유, 내약품성 및 기계적 강도가 우수해 충격 내마모로부터 콘크리트 모체를 보호하는 접착강화재료라 할 수 있으며 3공정에서 사용된 강화유리섬유직포는 폴리카보네이트수지로 캡슐 코팅된 유리섬유직포(HYFEX IH #500)로서 콘크리트면의 크랙(crack)현상을 방지하는 강력한 보강물질로 인체에 전혀 해가 없는 친 환경적 소재로 수분이나 습기에 강하며 곰팡이나 세균서식을 억제하며 미세한 섬유조직으로 인장강도와 내마모성이 뛰어나 강한 응집력으로 보강할 수 있는 결합기능을 가지고 있어 토목구조물 방수방식공사에 아주 적합한 재료라 할 수 있고 또 이 재료에 첨착되어 보강상승작용을 하는 중도재(HYPRO-IH NO.1)는 경화제가 첨가되는 에폭시수지 70wt%에 30wt%의 무기충진제의 혼합물로된 도장재로서 다소의 습기 층에서도 강력한 접착력과 내수성, 내약품성, 내염수 및 내후성을 나타내며 경화 후 도막은 분자간의 강력한 가교 결합의 형성으로 우수한 기계적 강도, 탄성, 표면경도, 내마모성, 내후방식성 등을 구비한 재료라 할 수 있다.The characteristics of the materials used in the above method, the first material (HYPRO-IH P-100) used in the two-step process is a base material in which the modified acrylic resin is equally mixed with epoxy resin, dry and wet surface of concrete It is an adhesive reinforcing material that protects the concrete matrix from impact wear because it has strong adhesion regardless of the wet and dry surface of mortar and has excellent acid, alkali, oil, chemical resistance and mechanical strength. Woven fabric is a fiberglass woven fabric (HYFEX IH # 500) encapsulated with polycarbonate resin. It is a strong reinforcing material that prevents cracks on concrete surfaces. It is an environmentally friendly material that does not harm the human body. It suppresses mold and bacteria form and has a binding function that can be reinforced with strong cohesive force with excellent tensile strength and abrasion resistance with fine fiber structure. HYPRO-IH NO.1 is a material that is very suitable for waterproofing construction of civil structures. It is a coating material made of a mixture. It has strong adhesion, water resistance, chemical resistance, salt water and weather resistance even in some moisture layers. After curing, the coating film has strong mechanical strength, elasticity, surface hardness, abrasion resistance and weather resistance due to the formation of strong crosslinking between molecules. It may be referred to as a material having a back.
그리고 제 4 및 5단계에서 사용된 상도재료인 도료는 에폭시수지에 폴리아미드, 폴리아민, 변성아민 등의 경화제 및 무기질촉진제를 혼용한 2액형수지도료에 30wt%의 무기충진제를 혼합한 도장재로서 내충격성을 증가 시켜주고 강력한 도막과 뛰어난 접착력을 가지며 내산, 내알카리, 내약품성을 구비한 상도재료라 할 수 있다.In addition, the coating material used in the fourth and fifth steps is a coating material in which 30 wt% of inorganic filler is mixed with a two-component resin coating material using a curing agent such as polyamide, polyamine, and modified amine and an inorganic accelerator in an epoxy resin. It can be said to be a top coat material with increased acid resistance, alkali resistance, and chemical resistance.
그밖에 3공정의 중도재에 첨가되는 무기충진재의 종류와 사용비는 탈크(talc) 1중량부, 탄산칼슘(CaCO3) 3중량부, 실리카 5중량부의 비율로 사용되고, 경화제는 폴리아미드, 폴리아민, 변성아민이 사용된다.In addition, the type and cost of the inorganic filler added to the intermediate material of the three steps are used in the ratio of 1 part by weight of talc, 3 parts by weight of calcium carbonate (CaCO 3 ) and 5 parts by weight of silica, and the curing agent is polyamide, polyamine, Modified amines are used.
무기충진제로 사용되는 실리카는 500메쉬 이상의 미분실리카로서 실리카분진 또는 응축실리카분진이라고도 부르며 콘크리트제조에 마이크로실리카를 시멘트 대체용으로 부분적으로 사용하며 강도의 감소 없이 마이크로실리카의 단위 사용량 당 3-4배의 시멘트 대체기능을 갖고 있으며 채움재와 시멘트수화반응 촉진제의 역할을 함으로서 본 공법에 사용함으로서 방수층의 경화를 촉진시키며 조직을 치밀하게 하고 내마모성을 향상시킬 수 있는 기능과 무기충진제로서의 기능을 동시에 수행할 수 있는 무기질 재료라 할 수 있다. Silica used as inorganic filler is more than 500 mesh fine silica, also called silica dust or condensed silica dust. Particularly, micro silica is used as a substitute for cement in the manufacture of concrete, and 3-4 times per unit usage of micro silica without any decrease in strength. It has a function of replacing cement and acts as a filler and a cement hydration reaction accelerator, which can be used in this process to promote the hardening of the waterproof layer, to make the structure tighter and to improve the abrasion resistance, and to function as an inorganic filler. It can be called an inorganic material.
본 발명에서 사용되는 방수층의 적층도장재료로서 에폭시수지에 변성아크릴 수지를 첨가한 수지를 사용함으로서 양측수지가 동시에 갖는 특성으로부터 구조물과 방수층, 방수층 상호간에 강력한 접착력이 형성되고 아클리수지의 특징인 우수한 내충격성 및 내후성과 에폭시수지의 뛰어난 기계적 강도, 내약품성 및 내마모성의 상호보완으로 더욱 우수한 물성을 얻을 수 있으며 방수층의 보강재로서 폴리카보네이트수지로 캡슐 코팅된 유리섬유직포에 상술한 혼합수지를 함침 적층시킴으로서 방수층에 엄청난 인장강도와 내충격성이 부여되어 방수층의 균열 및 박리현상 등을 방지할 수 있고 카본수지의 사용으로 곰팡이 세균, 수중에서는 조류의 생성을 억제할 수 있다. As the laminated coating material of the waterproofing layer used in the present invention, by using a resin in which a modified acrylic resin is added to the epoxy resin, strong adhesion between the structure, the waterproofing layer, and the waterproofing layer is formed from the characteristics of both resins at the same time. The excellent mechanical strength, chemical resistance, and abrasion resistance of the epoxy resin can be obtained by complementary impact resistance, weather resistance and epoxy resin. Enormous tensile strength and impact resistance are imparted to the waterproofing layer to prevent cracking and peeling of the waterproofing layer, and the use of carbon resin can suppress the formation of fungal bacteria and algae in water.
그밖에 마이크로실리카를 무기충진제로 적층되는 방수층(상도층)의 조직을 치밀하게 함과 동시에 내마모성을 증대시킬 수 있는 강화섬유직포 및 합성수지보강재를 이용한 콘크리트 구조물의 방수 및 방식공법이라 할 수 있다. In addition, it can be said to be waterproofing and anticorrosive method of concrete structure using reinforced fiber woven fabric and synthetic resin reinforcing material which can increase the abrasion resistance while densifying the structure of the waterproof layer (top layer) in which microsilica is laminated with inorganic filler.

Claims (1)

  1. 콘크리트 구조물의 방수 및 방식처리공법에 있어서, In the waterproofing and anticorrosive treatment of concrete structures,
    구조물의 표면을 전 처리한 다음 전 표면에 에폭시수지에 동량의 변성아크릴수지를 배합한 초도제로 코팅 층을 형성시킨 즉시 코팅 층에 강화유리섬유직포층을 첨착 가압하여 충분히 고착 경화시킨 다음 그 위에 에폭시수지에 경화제 및 무기충진제를 첨가 혼합시킨 중도재로 도장하여 20-24시간 경화시킨 코팅 층에 에폭시수지에 경화제 및 무기질촉진제를 첨가한 2액형수지도료와 무기충진제를 혼합한 상도재로 코팅하여 충분히 경화시킨 다음 상기 상도재로 동일한 방법으로 재 코팅함을 특징으로 하는 강화섬유직포 및 합성수지 보강재료를 이용한 콘크리트 구조물의 방수 및 방식공법.After pretreatment of the surface of the structure, the coating layer was formed with an initial agent containing the same amount of modified acrylic resin in the epoxy resin on the entire surface. It is coated with a coating material mixed with a curing agent and an inorganic filler, and coated with a two-component resin coating material with an inorganic filler and an inorganic filler added with an epoxy resin to a coating layer cured for 20 to 24 hours. Waterproofing and anticorrosion method of the concrete structure using a reinforced fiber woven fabric and synthetic resin reinforcement material, characterized in that after curing and re-coating in the same way as the top coat.
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