KR102525839B1 - Waterproof agent for surface of bridges and process for waterproofing surface of bridges using that - Google Patents
Waterproof agent for surface of bridges and process for waterproofing surface of bridges using that Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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Abstract
Description
본 발명은 교면 방수제 및 이를 이용하는 교면 방수공법에 관한 것으로서, 보다 상세하게는, 중도 방수제가 필요 없이 하도 방수제와 상도 방수제만으로 교면방수제를 구성하여 교면 방수의 시공을 간소화하면서 상기 하도 방수제와 상도 방수제만으로도 우수한 내구성 및 내수성을 제공하는 도막층을 콘크리트 및 강상판 교면에 형성하여 교면의 열화 및 부식을 방지할 수 있는 교면 방수제 및 이를 이용하는 교면 방수공법에 관한 것이다.The present invention relates to a bridge waterproofing agent and a bridge waterproofing method using the same, and more specifically, the bridge waterproofing agent is composed of only a lower layer waterproofing agent and an upper layer waterproofing agent without the need for a middle layer waterproofing agent, thereby simplifying the construction of the bridge layer waterproofing and using only the lower layer waterproofing agent and the upper layer waterproofing agent. It relates to a bridge waterproofing agent capable of preventing deterioration and corrosion of a bridge surface by forming a coating layer providing excellent durability and water resistance on a concrete and steel deck bridge surface, and a bridge waterproofing method using the same.
일반적으로, 콘크리트의 경우 공기 중에 존재하는 탄산가스(CO2), 질산화물(NOx), 산소유황으로부터 생기는 산성비가 침투하여 중성화되므로 콘크리트 내부에 배근되어 있는 철근의 부식과 콘크리트의 열화로 구조물의 균열과 탈락을 유발시키게 된다.In general, in the case of concrete, since acid rain generated from carbon dioxide (CO2), nitrous oxide (NOx), and oxysulfur in the air penetrates and is neutralized, the corrosion of the reinforcing bars placed inside the concrete and the deterioration of the concrete cause cracks and dropout of the structure. will cause
특히 구조층의 두께가 얇은 도로교량의 콘크리트 상판은 통과차량의 급제동 등에 의한 타이어 충격과 하중 등에 의한 진동에 의해 상판의 콘크리트 표층은 박리와 균열로 포장층의 들뜸과 대기오염에 의한 산성비와 결빙방지용 소금과 염화칼슘 침투 등의 열악한 조건으로 누수, 부식되어 손상 받고 있다. 특히 해안지역 교량 구조물은 교량의 구체전면을 방식 처리하여 교량구조물의 안전성 확보에 만전을 기하고 있는 추세이다.In particular, the concrete top plate of a road bridge with a thin structural layer is used to prevent acid rain and freezing caused by lifting of the pavement layer and air pollution due to delamination and cracking of the concrete surface layer of the top plate due to vibration caused by tire impact and load caused by sudden braking of passing vehicles. It is leaking, corroding and damaged due to poor conditions such as salt and calcium chloride penetration. In particular, for bridge structures in the coastal area, the concrete front of the bridge is treated with corrosion protection to ensure the safety of the bridge structure.
교량 콘크리트 상판 교면의 콘크리트 표층과 모세관에 누수흡입으로 인하여 발생되는 철근의 부식과 콘크리트 중성화에 의한 열화, 균열 등을 방지할 목적으로 하는 교면 방수가 이루어진다.Bridge surface waterproofing is performed for the purpose of preventing corrosion of reinforcing bars and deterioration and cracks caused by neutralization of concrete, which are caused by water leakage in the concrete surface layer and capillary of the bridge surface of the bridge concrete deck.
교면 방수에는 실리콘 계열의 침투성 교면방수제, 고무계열의 도막방수제, 고무아스팔트 시트(sheet) 등의 공법과, 고무아스팔트 시트형의 성형된 공장 제품의 현장 적응시의 단점 등을 보완한 가열 용융된 고무아스팔트 도막 방수제 도포와 방수층 보호용 펠트 및 보호판을 부착하는 공법 등이 미국 및 캐나다 등에서 오래 전(1980년대)부터 시행되어 왔으며 최근 국내에도 유사한 공법이 시행되고 있다.For bridge waterproofing, construction methods such as silicon-based permeable bridge waterproofing agent, rubber-based coating film waterproofing agent, and rubber asphalt sheet, and heated and melted rubber asphalt that compensate for the disadvantages of field adaptation of molded factory products in the form of rubber asphalt sheet The method of applying a waterproofing agent to a coating film and attaching a felt and a protective plate for protecting the waterproof layer has been implemented since a long time ago (1980s) in the United States and Canada, and a similar method has recently been implemented in Korea.
그러나 상기한 국내ㅇ외에서 사용되고 있는 상기 공법의 경우 기존 콘크리트 상판에 포장된 부실한 아스팔트(아스콘)를 제거하고 부실 방수층, 연약한 표층의 교면을 완벽히 정리한 후 프라이머제 도포 → 고무아스팔트 열공법 도막방수제 도포 → 방수층 보호용 판넬 부착 → 아스콘을 포장하는 것인 바, 교량 교면 방수에 사용되는 가열 용융된 고무아스팔트의 특징상 과다한 연성으로, 도로 교량의 특성상 통과 차량의 중량과 발진, 정차 등의 반복으로 안정적인 도막층의 유지와 방수층의 밀림 등을 방지할 수 있는 인장력이 약해 시공 후 고무아스팔트 열공법 도막방수제가 통행 차량에 의해 밀림, 재질이완 및 휨 현상이 발생하여 이를 재보수해야 하는 등의 문제점이 있었던 것으로 이를 효과적으로 보완할 수 있는 기술 개발이 요구되고 있다.However, in the case of the above method used in Korea and abroad, the poor asphalt (ascon) paved on the existing concrete top plate is removed, the poor waterproof layer and the weak surface layer are completely cleaned, and then the primer is applied → Rubber asphalt thermal method Coating waterproofing agent → Waterproof layer protection panel attached → Ascon is paved, due to the excessive ductility of hot-melted rubber asphalt used for bridge surface waterproofing, and due to the characteristics of road bridges, a stable coating layer due to the weight of passing vehicles and repetition of starting and stopping, etc. After construction, the rubber asphalt thermal method coating waterproofing agent had problems such as pushing, material loosening, and bending caused by passing vehicles, which had to be repaired due to the weak tensile force to prevent the maintenance of the There is a demand for developing technologies that can effectively supplement them.
이에 이러한 문제점들을 개선하기 위해 종래에는 폴리머와 혼화제로 이루어진 하도 방수제, 수지와 탄산칼슘 및 규사로 이루어진 중도 방수제, 폴리머와 스프레이 아스팔트 등으로 이루어진 상도 방수제를 교면에 차례로 도포하고 있으나, 3단계로 이루어지는 방수제의 도포에 의해 시공이 복잡할 뿐 아니라, 각 단계의 방수제의 도포 후 다음 단계의 방수제의 도포가 이루어져야 하므로 시공시간도 길어지는 문제가 있다.Therefore, in order to improve these problems, conventionally, an undercoat waterproofing agent made of a polymer and an admixture, a middle waterproofing agent made of resin, calcium carbonate and silica sand, and a top coat waterproofing agent made of a polymer and spray asphalt are sequentially applied to the bridge surface, but a waterproofing agent consisting of three steps Not only the construction is complicated by the application of the coating, but also the application of the waterproofing agent in the next step must be performed after the application of the waterproofing agent in each step, so there is a problem in that the construction time is also prolonged.
본 발명은 상기한 바와 같은 제반 문제점을 개선하기 위해 안출된 것으로서, 그 목적은 메틸 메타아크릴레이트 등으로 이루어져 중도 방수제의 일부가 포함되는 하도 방수제와 resin과 탄산칼슘 및 규사 등으로 이루어져 중도 방수제의 일부가 포함되는 상도 방수제만으로 이루어진 교면 방수제 의해 방수제의 구성을 간소화하여 시공이 간편하면서 우수한 내구성 및 내수성을 제공하는 도막층을 콘크리트 및 강상판 교면에 형성할 수 있는 교면 방수제를 제공함에 있다.The present invention has been made to improve various problems as described above, and the purpose is to make a part of the intermediate waterproofing agent composed of methyl methacrylate and the like and including a part of the intermediate waterproofing agent and resin, calcium carbonate and silica sand It is to provide a bridge waterproofing agent capable of forming a coating layer that provides excellent durability and water resistance while simplifying construction by simplifying the construction of the waterproofing agent by using a bridge waterproofing agent composed of only top coating waterproofing agent containing .
다른 목적은 우수한 내구성 및 내수성을 갖는 하도 방수제와 상도 방수제만으로 교면을 도포함으로써 시공이 신속하게 이루어지고 상기 교면의 열화 및 부식을 방지할 수 있는 교면 방수공법을 제공함에 있다.Another object is to provide a bridge waterproofing method capable of rapidly performing construction and preventing deterioration and corrosion of the bridge surface by applying only the undercoat waterproofing agent and the top coat waterproofing agent having excellent durability and water resistance.
상기한 바와 같은 목적을 달성하기 위해 본 발명의 교면 방수제는 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0∼60.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5%∼8.5중량%와, 파라로이드(paraloid) 수지 26.0∼28.0중량%와, 고분자 첨가제 1.5%∼2중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0%∼5.0중량%와, 파라핀 왁스 0.4%∼0.6중량%를 포함하여 교면에 도포되는 하도 방수제; Trimethylol melamine resin 34.0∼35.0중량%와, 유연제 0.2∼0.3중량%와, 경화촉진제 0.5∼0.6중량%와, 유색안료 6.0∼7.0중량%와, 침강방지제 0.5∼1.5중량%와, 탄산칼슘 17.0∼18.0중량%와, 규사 7호 35.0∼36.0중량%를 포함하여 상기 하도 방수제에 도포되는 상도 방수제;로 이루어진 것을 특징으로 하고 있다.In order to achieve the above object, the bridge waterproofing agent of the present invention contains 55.0 to 60.0% by weight of methyl methacrylate resin, 7.5% to 8.5% by weight of 2-ethylhexyl acrylate and , 26.0 to 28.0% by weight of paraloid resin, 1.5% to 2% by weight of polymer additives, 4.0% to 5.0% by weight of epoxy acrylate, and 0.4% to 0.6% by weight of paraffin wax Underwater waterproofing agent applied to bridge surfaces; Trimethylol melamine resin 34.0-35.0 wt%, softening agent 0.2-0.3 wt%, hardening accelerator 0.5-0.6 wt%, colored pigment 6.0-7.0 wt%, anti-settling agent 0.5-1.5 wt%, and calcium carbonate 17.0-18.0 It is characterized in that it consists of a top coat waterproofing agent applied to the undercoat waterproofing agent, including weight% and 35.0 to 36.0% by weight of silica sand No. 7.
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또 상기 유색안료는 산화철(Fe2O3)인 것이 바람직하다.In addition, the colored pigment is preferably iron oxide (Fe 2 O 3 ).
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또 상기 규사 7호는, 노면의 거칠기를 주기위해 입도의 크기를 0.1∼0.3㎜로 하는 것이 바람직하다.In addition, the size of the particle size of the silica sand No. 7 is preferably 0.1 to 0.3 mm in order to give the road surface roughness.
또한 교면 방수제를 이용하는 교면 방수공법은 (a) 교면에 잔존하는 이물질을 제거하고 평탄화 작업을 행하는 단계; (b) 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0∼60.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5%∼8.5중량%와, 파라로이드(paraloid) 수지 26.0∼28.0중량%와, 고분자 첨가제 1.5%∼2중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0%∼5.0중량%와, 파라핀 왁스 0.4%∼0.6중량%를 포함하는 하도 방수제를 도포하는 단계; (c) 상기 하도 방수제에 Trimethylol melamine resin 34.0∼35.0중량%와, 유연제 0.2∼0.3중량%와, 경화촉진제 0.5∼0.6중량%와, 유색안료 6.0∼7.0중량%와, 침강방지제 0.5∼1.5중량%와, 탄산칼슘 17.0∼18.0중량%와, 규사 7호 35.0∼36.0중량%를 포함하는 상도 방수제를 도포하는 단계;를 포함하는 것을 다른 특징으로 하고 있다.In addition, the bridge waterproofing method using the bridge waterproofing agent includes the steps of (a) removing foreign substances remaining on the bridge surface and performing a leveling operation; (b) 55.0 to 60.0% by weight of methyl methacrylate resin, 7.5% to 8.5% by weight of 2-ethylhexyl acrylate, and 26.0 to 28.0% by weight of paraloid resin on the bridge surface Applying a subsurface waterproofing agent containing 1.5% to 2% by weight of polymer additives, 4.0% to 5.0% by weight of epoxy acrylate, and 0.4% to 0.6% by weight of paraffin wax; (c) 34.0 to 35.0% by weight of trimethylol melamine resin, 0.2 to 0.3% by weight of a softener, 0.5 to 0.6% by weight of a hardening accelerator, 6.0 to 7.0% by weight of a colored pigment, and 0.5 to 1.5% by weight of an antisettling agent in the undercoat waterproofing agent And, applying a top coat waterproofing agent containing 17.0 to 18.0% by weight of calcium carbonate and 35.0 to 36.0% by weight of silica sand No. 7;
또 상기 규사 7호는, 노면의 거칠기를 주기위해 입도의 크기가 0.1∼0.3㎜인 것을 사용하도록 하는 것이 바람직하다.In addition, it is preferable to use the silica sand No. 7 having a particle size of 0.1 to 0.3 mm in order to give roughness to the road surface.
본 발명에 따른 교면 방수제는 중도 방수제가 필요 없이 하도 방수제와 상도 방수제만으로 교면 방수제가 이루어지므로 방수제의 제조가 간단하고, 중도 방수제가 포함되는 상도 방수제만으로도 충분한 방수 효과를 얻을 수 있는 효과가 있다.Since the bridge waterproofing agent according to the present invention is made of only the undercoat waterproofing agent and the topcoat waterproofing agent without the need for a middle waterproofing agent, the manufacture of the waterproofing agent is simple, and a sufficient waterproofing effect can be obtained with only the topcoat waterproofing agent containing the intermediate waterproofing agent.
또한 상기 교면 방수제를 이용하는 교면 방수공법에 의해 시공이 간편하면서 신속하게 이루어지고, 방수기능, 부착력 및 콘크리트의 강도회복 기능을 구비하는 방수용 수지 등을 도포하여 이루어지므로 노후화된 교면 콘크리트의 내구성을 향상시키고, 동결융해 저항성을 향상시킬 수 있는 이점이 있다.In addition, construction is carried out simply and quickly by the bridge waterproofing method using the bridge waterproofing agent, and it is made by applying a waterproof resin having waterproof function, adhesion and strength recovery function of concrete, thereby improving the durability of aged bridge concrete , there is an advantage of improving the resistance to freezing and thawing.
또한, 본 발명에 따른 교면 방수제 및 이를 이용하는 교면 방수공법은, 내황산염, 내염수성이 우수하고 접착강도, 휨강도, 압축강도가 우수한 방수용 수지 등을 도포하여 이루어지므로 아스팔트의 슬립현상을 방지할 수 있는 이점이 있다.In addition, the bridge waterproofing agent and the bridge waterproofing method using the same according to the present invention are made by applying a waterproof resin having excellent sulfate and salt water resistance and excellent adhesive strength, bending strength, and compressive strength, which can prevent the slip phenomenon of asphalt There is an advantage.
또한, 본 발명에 따른 교면 방수제 및 이를 이용하는 교면 방수공법은, 경화 속도가 우수한 방수용 수지 등을 도포하여 이루어지므로 교면 방수제 시공이 완료된 후 30분 이내에 경화가 완료되어 후속작업이 용이하고, 이후 보수작업이 필요할 시에도 빠른 보수가 가능하고 부분보수가 용이한 이점이 있다.In addition, since the bridge waterproofing agent and the bridge waterproofing method using the same according to the present invention are made by applying a waterproof resin having an excellent curing speed, the curing is completed within 30 minutes after the bridge waterproofing agent is completed, so subsequent work is easy, and subsequent repair work Even when it is necessary, it has the advantage of quick repair and easy partial repair.
또한, 본 발명에 따른 교면 방수제 및 이를 이용하는 교면 방수공법은, 아스팔트와의 접착력이 우수하고, 중도와 결합하여 아스팔트의 슬립에 대해 저항하며, 우수한 신율을 구비하는 상도 방수제를 중도 방수제가 필요 없이 도포하여 이루어지므로 아스팔트의 소성변형에도 함께 거동하며 크랙, 파단이 일어나지 않고, 아스팔트 포장 시 유화 아스팔트를 뿌리는 작업을 생략할 수 있어 방수공법에 소요되는 비용을 절감할 수 있는 이점이 있다.In addition, the bridge waterproofing agent according to the present invention and the bridge waterproofing method using the same have excellent adhesion to asphalt, resist the slip of asphalt by combining with the middle layer, and apply a top coat waterproofing agent having excellent elongation without the need for a middle layer waterproofing agent. Therefore, it behaves together with the plastic deformation of asphalt, cracks and fractures do not occur, and it is possible to omit the work of spraying emulsified asphalt during asphalt pavement, which has the advantage of reducing the cost required for the waterproofing method.
또한, 본 발명에 따른 교면 방수제 및 이를 이용하는 교면 방수공법은, 강한 부착력으로 탈락 박리 등의 하자 요인을 현저히 줄여주며, 모두 방수층을 형성하는 2개의 층만으로 시공되므로 하도와 상도 중 하나의 층에서 문제가 발생하여도 방수 성능을 유지시킬 수 있는 이점이 있다. In addition, the bridge waterproofing agent and the bridge waterproofing method using the same according to the present invention significantly reduce defect factors such as peeling off due to strong adhesion, and since all of them are constructed with only two layers forming a waterproof layer, there is a problem in one layer of the undercoat and the topcoat. There is an advantage in maintaining waterproof performance even when a
도 1은 본 발명의 일 실시예에 따른 교면 방수제를 이용하는 교면 방수공법의 순서도
도 2는 본 발명의 일 실시예에 따른 교면 방수제의 품질시험 성적서1 is a flowchart of a bridge waterproofing method using a bridge waterproofing agent according to an embodiment of the present invention
2 is a quality test report of a bridge waterproofing agent according to an embodiment of the present invention
이하, 본 발명에 따른 교면 방수제 및 이를 이용하는 교면 방수공법의 바람직한 실시예를 첨부한 도면을 참조로 하여 상세히 설명한다. 본 발명은 이하에서 개시되는 실시예에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시예는 본 발명의 개시가 완전하도록 하며 통상의 지식을 가진 자에게 발명의 범주를 완전하게 알려주기 위하여 제공되는 것이다.Hereinafter, preferred embodiments of the bridge waterproofing agent and the bridge waterproofing method using the same according to the present invention will be described in detail with reference to the accompanying drawings. The present invention is not limited to the embodiments disclosed below and can be implemented in various different forms, but only the present embodiments make the disclosure of the present invention complete and the scope of the invention completely covered by those skilled in the art. It is provided to inform you.
도 1은 본 발명의 일 실시예에 따른 교면 방수제를 이용하는 교면 방수공법의 순서도이고, 도 2는 본 발명의 일 실시예에 따른 교면 방수제의 품질시험 검사성적서이다.1 is a flow chart of a bridge waterproofing method using a bridge waterproofing agent according to an embodiment of the present invention, and FIG. 2 is a quality test inspection report of a bridge waterproofing agent according to an embodiment of the present invention.
도 1 및 도 2를 참조하면, 본 발명의 일 실시예에 따른 교면 방수제는, 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0∼60.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5%∼8.5중량%와, 파라로이드(paraloid) 수지 26.0∼28.0중량%와, 고분자 첨가제 1.5%∼2중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0%∼5.0중량%와, 파라핀 왁스 0.4%∼0.6중량%를 포함하여 교면에 도포되는 하도 방수제와, Trimethylol melamine resin 34.0∼35.0중량%와, 유연제 0.2∼0.3중량%와, 경화촉진제 0.5∼0.6중량%와, 유색안료 6.0∼7.0중량%와, 침강방지제 0.5∼1.5중량%와, 탄산칼슘 17.0∼18.0중량%와, 규사 7호 35.0∼36.0중량%를 포함하여 상기 하도 방수제에 도포되는 상도 방수제로 이루어진다.1 and 2, the bridge waterproofing agent according to an embodiment of the present invention contains 55.0 to 60.0% by weight of methyl methacrylate resin and 7.5 2-ethylhexyl acrylate. % to 8.5% by weight, paraloid resin 26.0 to 28.0% by weight, polymer additive 1.5% to 2% by weight, epoxy acrylate (epoxy acrylate) 4.0% to 5.0% by weight, and paraffin wax 0.4% to 0.6% by weight of a waterproofing agent applied to the bridge surface, 34.0 to 35.0% by weight of Trimethylol melamine resin, 0.2 to 0.3% by weight of a softener, 0.5 to 0.6% by weight of a hardening accelerator, 6.0 to 7.0% by weight of a colored pigment, It consists of a top coat waterproofing agent applied to the undercoat waterproofing agent, including 0.5 to 1.5% by weight of an antisettling agent, 17.0 to 18.0% by weight of calcium carbonate, and 35.0 to 36.0% by weight of silica sand No. 7.
이하 하도 방수제의 각각의 구성성분의 특성 및 용도에 대해 상세히 설명한다.Hereinafter, the characteristics and uses of each component of the undercoat waterproofing agent will be described in detail.
상기 메틸 메타아크릴레이트(methyl methacrylate) 수지는, MMA수지라 일컬으며, 무색 투명한 액체로, C4 유분을 원료로 하여 제조된 터트-부틸 알콜(Tert-Butyl Alcohol; TBA)을 기체 상태에서 산화시켜 메타아크릴산을 제조한 후, 메탄올로 에스테르화하여 제조하며, 본 실시예의 하도 방수제에서는 방수기능을 제공하는 조성물로 사용된다.The methyl methacrylate resin, called MMA resin, is a colorless and transparent liquid. Tert-Butyl Alcohol (TBA) prepared using C4 oil as a raw material is oxidized in a gaseous state to produce meta After preparing acrylic acid, it is prepared by esterification with methanol, and is used as a composition that provides a waterproof function in the undercoat waterproofing agent of this embodiment.
상기 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate)는 달콤한 냄새가 나는 무색의 액체로써 접착제에 광범위하게 응용되며, 본 발명의 교면 방수제에서는 하도 방수제에 포함되어 그 위에 도포되는 상도 방수제와의 확실한 접착력을 위해 사용한다.The 2-ethylhexyl acrylate (2-ethylhexyl acrylate) is a colorless liquid with a sweet smell and is widely applied to adhesives. use for
상기 파라로이드(paraloid) 수지는 아크릴계 수지로써 paraloid B60을 주로 사용하는데, 비중합성 열가소성 수지(중량평균 분자량 50,000, Tg:75℃)이고, 용제는 MEK, 아세트산부틸, 톨루엔, 아세트산에틸의 혼합 용제이다. 이러한 파라로이드(paraloid) 수지는 하도 방수제의 도포 후 틈새를 메우는 강화 코팅제로 사용된다.The paraloid resin mainly uses paraloid B60 as an acrylic resin, which is a non-polymerizable thermoplastic resin (weight average molecular weight 50,000, Tg: 75 ° C), and the solvent is a mixed solvent of MEK, butyl acetate, toluene, and ethyl acetate . This paraloid resin is used as a reinforcing coating agent that fills the gap after application of the subsurface waterproofing agent.
상기 고분자 첨가제는 MIRAMER M-280(Polyethylene glycol 400 diacrylate)을 주로 사용하며, 하도 방수제의 도포 후 이를 경화시켜 하드 코팅층을 형성하는 경화제의 용도로 사용된다.As the polymer additive, MIRAMER M-280 (Polyethylene glycol 400 diacrylate) is mainly used, and is used as a curing agent for forming a hard coating layer by curing it after applying the undercoat waterproofing agent.
상기 에폭시 아크릴레이트(epoxy acrylate)는 에폭시 수지의 성질을 갖기 때문에 경도, 유연성, 접착력, 경화성 등이 좋고, 화학적 저항성이 강하며 우수한 내화학성, 내열성, 내구성이 좋다. 이러한 특성으로 인해 본 발명에 따른 교면 방수제의 하도 방수제에서는 교면의 내구 년한을 향상키시고 부식을 방지할 수 있는 용도로 사용된다.Since the epoxy acrylate has the properties of an epoxy resin, it has good hardness, flexibility, adhesion, curability, etc., has strong chemical resistance, and has excellent chemical resistance, heat resistance, and durability. Due to these characteristics, the undercoat waterproofing agent of the bridge waterproofing agent according to the present invention is used for improving the durability of the bridge surface and preventing corrosion.
상기 파라핀 왁스는 흰색 또는 무색의 고체 왁스로써 포화 탄화수소로 만들어지는데, 본 발명에 따른 교면 방수제의 하도 방수제에서는 교면의 시공 초기 콘크리트 표면부분의 물의 증발을 막아 상기 교면에 발생하는 균열을 방지하기 위해 사용된다.The paraffin wax is a white or colorless solid wax made of saturated hydrocarbons. In the underpass waterproofing agent of the bridge waterproofing agent according to the present invention, it is used to prevent cracks occurring on the bridge surface by preventing evaporation of water on the concrete surface part at the beginning of construction of the bridge surface. do.
상기 하도 방수제에는 페인트용 첨가제인 BYK-685와 자외선 흡수제(UV absorber)인 TINUVIN328 및 BRC-527을 더 포함할 수 있다.The undercoat waterproofing agent may further include BYK-685, which is an additive for paint, and TINUVIN328 and BRC-527, which are UV absorbers.
또한 상도 방수제의 각각의 구성성분의 특성 및 용도에 대해 상세히 설명한다.In addition, the characteristics and uses of each component of the top coat waterproofing agent will be described in detail.
상기 Trimethylol melamine resin은 멜라민 수지로써 M-100 수지로 일컬으며, Embossing, Glazing, Pleating, Flocking 가공에 사용되고 방수제, 발수제, 유연제, 대전방지제 및 기타 계면활성제와 병용해서 사용할 수 있다.The Trimethylol melamine resin is a melamine resin and is referred to as M-100 resin, and is used for Embossing, Glazing, Pleating, and Flocking processing, and may be used in combination with a waterproofing agent, a water repellent agent, a softener, an antistatic agent, and other surfactants.
상기 유연제는 DisperBYK-182가 주로 사용되며, 방수제로 운반되는 용매와 물을 위한 고분자량의 습식 및 분산 첨가제이고, 수용성 방수제의 다목적 안료 농축물로 사용된다. The softening agent DisperBYK-182 is mainly used, a high molecular weight wet and dispersing additive for solvent and water transported as a waterproofing agent, and is used as a multi-purpose pigment concentrate for water-soluble waterproofing agents.
상기 경화촉진제는 BISOMER PTE(Para-toluidine Ethoxylate)가 주로 사용되어 말 그대로 상도 방수제의 도포 후 상기 방수제의 경확를 촉진시키는 역할을 하며, BTO개시제와 PTE가 혼용 사용됨으로써 불포화폴리에스테르(UPE) 수지, 아크릴 수지의 반응촉진, 독성/냄새 감소 등의 효과가 있으며, 아크릴바닥제, 접착제, 도로마킹용 도료, 화학몰탈 등에 광범위하게 사용된다.As the hardening accelerator, BISOMER PTE (Para-toluidine Ethoxylate) is mainly used and literally serves to promote the hardening of the waterproofing agent after application of the topcoat waterproofing agent. It has effects such as accelerating the reaction of acrylic resin and reducing toxicity/odor, and is widely used in acrylic flooring, adhesives, road marking paints, and chemical mortars.
상기 유색안료는 R-1500인 산화철(Fe2O3)이 주로 사용되며, 교면의 색상발현을 위한 목적으로 사용된다.As the colored pigment, iron oxide (Fe 2 O 3 ), which is R-1500, is mainly used, and is used for the purpose of color expression of bridge surface.
상기 침강방지제는 CAB-O-SIL(fumed silica) M5가 주로 사용되며, 상도 방수제에 포함되어 교면에 상기 상도 방수제의 도포 후 교면이 꺼지는 현상인 침강(沈江)을 방지하기 위한 용도로 사용된다.The anti-settling agent is mainly CAB-O-SIL (fumed silica) M5, which is included in the top-coat waterproofing agent and used to prevent settling, a phenomenon in which the bridge surface is turned off after the top-coat waterproofing agent is applied to the bridge surface. .
상기 탄산칼슘은 상도 방수제의 도포 후 교면의 방수를 보조하는 용도로 사용된다.The calcium carbonate is used for the purpose of assisting the waterproofing of the bridge surface after application of the top coat waterproofing agent.
상기 규사 7호는, 입도의 크기를 0.1∼0.3㎜로 하여 노면의 거칠기를 주기위한 용도로 사용된다.The silica sand No. 7 is used for giving roughness to the road surface with a particle size of 0.1 to 0.3 mm.
이러한 상도 방수제는 교반기에 Trimethylmelamine resin를 투입하여 중속(800∼900rpm)으로 교반하고, 유연제, 경화촉진제, 유색안료, 침강방지제, 탄산칼슘 및 규사 7호를 순차적으로 투입하고 고속(1000∼1200rpm)으로 10분간 교반한 후 포장하게 된다.For this top coat waterproofing agent, add Trimethylmelamine resin to an agitator, stir at medium speed (800-900 rpm), and sequentially add softener, hardening accelerator, colored pigment, anti-settling agent, calcium carbonate and silica sand No. 7, and stir at high speed (1000-1200 rpm). After stirring for 10 minutes, it is packaged.
따라서 본 실시예는, 하도 방수제와 상도 방수제로 이루어져 형성되는 2개의 방수층만으로도 교면에 침투수가 유입되는 것을 효과적으로 방지할 수 있게 되고, 교면 방수제에 도포되는 아스팔트가 슬립되는 것을 방지하며, 교면 방수제와 아스팔트 사이의 접착력이 향상되고, 교면의 강도가 향상되는 효과가 나타나게 된다.Therefore, in this embodiment, only two waterproofing layers formed of the undercoat waterproofing agent and the topcoat waterproofing agent can effectively prevent the inflow of infiltrating water into the bridge surface, prevent the asphalt applied to the bridge waterproofing agent from slipping, and prevent the bridge waterproofing agent and the asphalt from slipping. Adhesion between them is improved, and the strength of the bridge surface is improved.
상기와 같이 구성된 본 발명의 일 실시예에 따른 교면 방수제를 이용하는 교면 방수공법을 살펴보면 다음과 같다.Looking at the bridge waterproofing method using the bridge waterproofing agent according to an embodiment of the present invention configured as described above is as follows.
본 발명의 일 실시예에 따른 교면 방수제를 이용하는 교면 방수공법은, 교면에 잔존하는 이물질을 제거하고 평탄화 작업을 행하는 단계와, 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0∼60.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5%∼8.5중량%와, 파라로이드(paraloid) 수지 26.0∼28.0중량%와, 고분자 첨가제 1.5%∼2중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0%∼5.0중량%와, 파라핀 왁스 0.4%∼0.6중량%를 포함하는 하도 방수제를 도포하는 단계와, 상기 하도 방수제에 Trimethylol melamine resin 34.0∼35.0중량%와, 유연제 0.2∼0.3중량%와, 경화촉진제 0.5∼0.6중량%와, 유색안료 6.0∼7.0중량%와, 침강방지제 0.5∼1.5중량%와, 탄산칼슘 17.0∼18.0중량%와, 규사 7호 35.0∼36.0중량%를 포함하는 상도 방수제를 도포하는 단계를 포함한다.The bridge waterproofing method using the bridge waterproofing agent according to an embodiment of the present invention includes the steps of removing foreign substances remaining on the bridge surface and performing a flattening operation, 55.0 to 60.0% by weight of methyl methacrylate resin on the bridge surface, 7.5% to 8.5% by weight of 2-ethylhexyl acrylate, 26.0 to 28.0% by weight of paraloid resin, 1.5% to 2% by weight of polymer additives, and epoxy acrylate Applying a waterproofing agent containing 4.0% to 5.0% by weight and 0.4% to 0.6% by weight of paraffin wax; Apply a top coat waterproofing agent containing 0.5 to 0.6% by weight of accelerator, 6.0 to 7.0% by weight of colored pigment, 0.5 to 1.5% by weight of antisettling agent, 17.0 to 18.0% by weight of calcium carbonate, and 35.0 to 36.0% by weight of silica sand No. 7 It includes steps to
먼저, 방수제가 도포될 교면에 잔존하는 이물질을 제거하고 돌출부위 및 오목 부위를 평탄화시키는 작업을 진행한 후에 하도 방수제를 도포하고, 하도 방수제 상면에 상도 방수제를 도포하여 경화시킨다.First, after removing foreign substances remaining on the bridge surface to which the waterproofing agent is to be applied and flattening protrusions and concave areas, the undercoat waterproofing agent is applied, and the top coat waterproofing agent is applied to the upper surface of the undercoat waterproofing agent and cured.
상기한 바와 같이 교면 방수제가 도포되고 약 30분이 경과되면 교면 방수제가 경화되어 교면 방수제 상면에 아스팔트를 도포하는 후속 작업이 짧은 시간 내에 진행될 수 있게 되어 교면 방수공법이 이루어지는데, 중도 방수제의 도포 없이 하도 방수제와 상도 방수제만 도포되므로 소요되는 시간을 단축시킬 수 있게 된다.As described above, when about 30 minutes have elapsed after the bridge waterproofing agent is applied, the bridge waterproofing agent is hardened and the follow-up work of applying asphalt on the upper surface of the bridge waterproofing agent can proceed in a short time, so that the bridge waterproofing method is performed. Since only the waterproofing agent and the top coat waterproofing agent are applied, the time required can be shortened.
상기한 바와 같이 본 실시예는 방수용 수지를 포함하므로 경화 시간이 짧으며, 접착 성능이 우수하여 교면이 부분적으로 파손되는 경우에도 파손 부위를 짧은 시간 내에 효과적으로 보수할 수 있게 된다.As described above, since the present embodiment includes a waterproof resin, the curing time is short and the adhesive performance is excellent, so even when the bridge surface is partially damaged, the damaged part can be effectively repaired within a short time.
또한, 본 발명의 교변 방수제는 신율이 우수하여 기온의 변화에 따라 변형되는 아스팔트와 함께 거동하게 되므로 교면에 크랙 또는 파단이 쉽게 발생되지 않는 효과가 나타나게 된다.In addition, the bridge waterproofing agent of the present invention has excellent elongation and behaves together with asphalt that is deformed according to the change in temperature, so that cracks or fractures do not easily occur on the bridge surface.
이로써, 교면 방수제 시공 후에 단시간 내에 양생되면서 하지면과 효과적으로 접착하여 교면에 우수한 내구성 및 내수성을 제공하는 도막층을 콘크리트 및 강상판 교면에 형성하여 교면의 열화 및 부식을 방지할 수 있는 교면 방수제 및 이를 이용하는 교면 방수공법을 제공할 수 있게 된다.As a result, a bridge waterproofing agent capable of preventing deterioration and corrosion of a bridge surface by forming a coating layer on a bridge surface of concrete and a steel deck board, which effectively adheres to the subsurface and provides excellent durability and water resistance to the bridge surface while curing within a short time after the bridge waterproofing agent is applied, and using the same It is possible to provide a bridge waterproofing method.
<실시예1><Example 1>
교면에 이물질을 제거하고 평탄화 작업을 행한 후에 상기 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5중량%와, 파라로이드(paraloid) 수지 26.0중량%와, 고분자 첨가제 1.5중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0중량%와, 파라핀 왁스 0.4중량%를 포함하는 하도 방수제를 도포하고, 상기 하도 방수제 상면에 Trimethylol melamine resin 34.0중량%와, 유연제 0.2중량%와, 경화촉진제 0.5중량%와, 유색안료 6.0중량%와, 침강방지제 0.5중량%와, 탄산칼슘 17.0중량%와, 규사 7호 35.0중량%를 포함하는 상도 방수제를 도포한 후 30분 경화시켜 교면에 방수층을 형성하고 -10℃의 기온에 7일 경과시킨다.After removing foreign substances from the bridge surface and performing a leveling operation, 55.0% by weight of methyl methacrylate resin, 7.5% by weight of 2-ethylhexyl acrylate, and paraloid on the bridge surface An undercoat waterproofing agent containing 26.0% by weight of resin, 1.5% by weight of polymer additive, 4.0% by weight of epoxy acrylate, and 0.4% by weight of paraffin wax was applied, and 34.0% by weight of trimethylol melamine resin was applied to the upper surface of the undercoat waterproofing agent. And, 0.2% by weight of softener, 0.5% by weight of curing accelerator, 6.0% by weight of colored pigment, 0.5% by weight of antisettling agent, 17.0% by weight of calcium carbonate, and 35.0% by weight of silica sand No. 7. After curing for 30 minutes, a waterproof layer is formed on the bridge surface, and it is allowed to pass for 7 days at a temperature of -10 ° C.
<실시예2><Example 2>
교면에 이물질을 제거하고 평탄화 작업을 행한 후에 상기 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5중량%와, 파라로이드(paraloid) 수지 26.0중량%와, 고분자 첨가제 1.5중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0중량%와, 파라핀 왁스 0.4중량%를 포함하는 하도 방수제를 도포하고, 상기 하도 방수제 상면에 Trimethylol melamine resin 34.5중량%와, 유연제 0.25중량%와, 경화촉진제 0.55중량%와, 유색안료 6.5중량%와, 침강방지제 1.0중량%와, 탄산칼슘 17.5중량%%와, 규사 7호 35.5중량%를 포함하는 상도 방수제를 도포한 후 30분 경화시켜 교면에 방수층을 형성하고 20℃의 기온에 7일 경과시킨다.After removing foreign substances from the bridge surface and performing a leveling operation, 55.0% by weight of methyl methacrylate resin, 7.5% by weight of 2-ethylhexyl acrylate, and paraloid on the bridge surface An undercoat waterproofing agent containing 26.0% by weight of resin, 1.5% by weight of polymer additive, 4.0% by weight of epoxy acrylate, and 0.4% by weight of paraffin wax was applied, and 34.5% by weight of trimethylol melamine resin was applied to the upper surface of the undercoat waterproofing agent. Apply a top coat waterproofing agent containing 0.25% by weight of softener, 0.55% by weight of curing accelerator, 6.5% by weight of colored pigment, 1.0% by weight of antisettling agent, 17.5% by weight of calcium carbonate, and 35.5% by weight of silica sand No. 7 After curing for 30 minutes, a waterproof layer is formed on the bridge surface and allowed to pass for 7 days at a temperature of 20℃.
<실시예3><Example 3>
교면에 이물질을 제거하고 평탄화 작업을 행한 후에 상기 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5중량%와, 파라로이드(paraloid) 수지 26.0중량%와, 고분자 첨가제 1.5중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0중량%와, 파라핀 왁스 0.4중량%를 포함하는 하도 방수제를 도포하고, 상기 하도 방수제 상면에 Trimethylol melamine resin 35.0중량%와, 유연제 0.3중량%와, 경화촉진제 0.6중량%와, 유색안료 7.0중량%와, 침강방지제 1.5중량%와, 탄산칼슘 18.0중량%와, 규사 7호 36.0중량%를 포함하는 상도 방수제를 도포한 후, 30분 경화시켜 교면에 방수층을 형성하고 60℃의 기온에 7일 경과시킨다.After removing foreign substances from the bridge surface and performing a leveling operation, 55.0% by weight of methyl methacrylate resin, 7.5% by weight of 2-ethylhexyl acrylate, and paraloid on the bridge surface An undercoat waterproofing agent containing 26.0% by weight of resin, 1.5% by weight of polymer additive, 4.0% by weight of epoxy acrylate, and 0.4% by weight of paraffin wax was applied, and 35.0% by weight of trimethylol melamine resin was applied to the upper surface of the undercoat waterproofing agent. A top coat waterproofing agent containing 0.3% by weight of softener, 0.6% by weight of curing accelerator, 7.0% by weight of colored pigment, 1.5% by weight of antisettling agent, 18.0% by weight of calcium carbonate, and 36.0% by weight of silica sand No. 7 was applied. After that, it is cured for 30 minutes to form a waterproof layer on the bridge surface and allowed to pass for 7 days at a temperature of 60 ° C.
<비교예1><Comparative Example 1>
교면에 이물질을 제거하고 평탄화 작업을 행한 후에 상기 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5중량%와, 파라로이드(paraloid) 수지 26.0중량%와, 고분자 첨가제 1.5중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0중량%와, 파라핀 왁스 0.4중량%를 포함하는 하도 방수제를 도포하고, 상기 하도 방수제 상면에 Trimethylol melamine resin 33.0중량%와, 유연제 0.3중량%와, 경화촉진제 0.6중량%와, 유색안료 7.0중량%와, 침강방지제 1.5중량%와, 탄산칼슘 18.0중량%와, 규사 7호 35.0중량%를 포함하는 상도 방수제를 도포한 후 30분 경화시켜 교면에 방수층을 형성한다.After removing foreign substances from the bridge surface and performing a leveling operation, 55.0% by weight of methyl methacrylate resin, 7.5% by weight of 2-ethylhexyl acrylate, and paraloid on the bridge surface An undercoat waterproofing agent containing 26.0% by weight of resin, 1.5% by weight of polymer additive, 4.0% by weight of epoxy acrylate, and 0.4% by weight of paraffin wax was applied, and 33.0% by weight of trimethylol melamine resin was applied to the upper surface of the undercoat waterproofing agent. A top coat waterproofing agent containing 0.3% by weight of softener, 0.6% by weight of curing accelerator, 7.0% by weight of colored pigment, 1.5% by weight of antisettling agent, 18.0% by weight of calcium carbonate, and 35.0% by weight of silica sand No. 7 was applied. After curing for 30 minutes, a waterproof layer is formed on the bridge surface.
<비교예2><Comparative Example 2>
교면에 이물질을 제거하고 평탄화 작업을 행한 후에 상기 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5중량%와, 파라로이드(paraloid) 수지 26.0중량%와, 고분자 첨가제 1.5중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0중량%와, 파라핀 왁스 0.4중량%를 포함하는 하도 방수제를 도포하고, 상기 하도 방수제 상면에 Trimethylol melamine resin 36.0중량%와, 유연제 0.3중량%와, 경화촉진제 0.6중량%와, 유색안료 7.0중량%와, 침강방지제 1.5중량%와, 탄산칼슘 18.0중량%와, 규사 7호 35.0중량%를 포함하는 상도 방수제를 도포한 후 30분 경화시켜 교면에 방수층을 형성한다.After removing foreign substances from the bridge surface and performing a leveling operation, 55.0% by weight of methyl methacrylate resin, 7.5% by weight of 2-ethylhexyl acrylate, and paraloid on the bridge surface An undercoat waterproofing agent containing 26.0% by weight of resin, 1.5% by weight of polymer additive, 4.0% by weight of epoxy acrylate, and 0.4% by weight of paraffin wax was applied, and 36.0% by weight of trimethylol melamine resin was applied to the upper surface of the undercoat waterproofing agent. A top coat waterproofing agent containing 0.3% by weight of softener, 0.6% by weight of curing accelerator, 7.0% by weight of colored pigment, 1.5% by weight of antisettling agent, 18.0% by weight of calcium carbonate, and 35.0% by weight of silica sand No. 7 was applied. After curing for 30 minutes, a waterproof layer is formed on the bridge surface.
상기한 바와 같이 방수용 수지인 Trimethylol melamine resin을 34.0∼35.0중량%로 혼합하는 경우에는 인장강도 및 신장율이 향상됨을 알 수 있고, 방수용 수지인 Trimethylol melamine resin이 34.0중량% 미만으로 포함되는 경우에는 인장강도 및 신장율이 현저하게 낮아지며, 방수용 수지가 35.0중량%를 초과하여 포함되어도 인장강도 및 신장율이 더 이상 개선되지 않는 것을 확인할 수 있다.As described above, when trimethylol melamine resin, a waterproof resin, is mixed at 34.0 to 35.0% by weight, it can be seen that the tensile strength and elongation are improved, and when the trimethylol melamine resin, a waterproof resin, is included at less than 34.0% by weight, the tensile strength And the elongation rate is significantly lowered, and it can be seen that the tensile strength and elongation rate are not improved any more even when the waterproof resin is included in an amount exceeding 35.0% by weight.
따라서 본 실시예에 따른 교면 방수제는 방수용 수지인 Trimethylol melamine resin이 34.0∼35.0중량%로 포함되는 것이 바람직함을 알 수 있다.Therefore, it can be seen that the bridge waterproofing agent according to this embodiment preferably contains 34.0 to 35.0% by weight of trimethylol melamine resin, which is a waterproof resin.
도 2는 본 발명의 일 실시예에 따른 교면 방수제의 품질시험 성적서이다.2 is a quality test report of a bridge waterproofing agent according to an embodiment of the present invention.
도 2에 따르면 본 발명에 따른 교면 방수제 및 이를 이용하는 교면 방수공법에 의한 방수층에 대해서 인장강도와 신장율의 측정을 정식으로 의뢰하여 받은 시험성적서에서 상기한 바와 같이 인장강도와 신장율이 향상되었음을 확인할 수 있다.According to Figure 2, it can be confirmed that the tensile strength and elongation have been improved as described above in the test report received by formally requesting the measurement of tensile strength and elongation for the bridge waterproofing agent according to the present invention and the waterproofing layer by the bridge waterproofing method using the same. .
이상과 같이 본 발명에 따른 교면 방수제 및 이를 이용하는 교면 방수공법에 대해서 예시한 도면을 참조로 하여 설명하였으나, 본 명세서에 개시된 실시예와 도면에 의해 본 발명이 한정되는 것은 아니며, 본 발명의 기술사상의 범위 내에서 당업자에 의해 다양한 변형이 이루어질 수 있음은 물론이다.As described above, the bridge waterproofing agent and the bridge waterproofing method using the same according to the present invention have been described with reference to the drawings illustrated, but the present invention is not limited by the embodiments and drawings disclosed in this specification, and the technical idea of the present invention Of course, various modifications may be made by those skilled in the art within the scope of.
Claims (10)
Trimethylol melamine resin 34.0∼35.0중량%와, 유연제 0.2∼0.3중량%와, 경화촉진제 0.5∼0.6중량%와, 유색안료 6.0∼7.0중량%와, 침강방지제 0.5∼1.5중량%와, 탄산칼슘 17.0∼18.0중량%와, 규사 7호 35.0∼36.0중량%를 포함하여 상기 하도 방수제에 도포되는 상도 방수제;
로 이루어진 것을 특징으로 하는 교면 방수제.55.0 to 60.0% by weight of methyl methacrylate resin, 7.5 to 8.5% by weight of 2-ethylhexyl acrylate, 26.0 to 28.0% by weight of paraloid resin, and polymer additives 1.5 to 2% by weight, epoxy acrylate (epoxy acrylate) 4.0 to 5.0% by weight, and paraffin wax 0.4 to 0.6% by weight of a subsurface waterproofing agent applied to the bridge surface;
Trimethylol melamine resin 34.0-35.0% by weight, softening agent 0.2-0.3% by weight, hardening accelerator 0.5-0.6% by weight, colored pigment 6.0-7.0% by weight, anti-settling agent 0.5-1.5% by weight, and calcium carbonate 17.0-18.0 A top coat waterproofing agent applied to the lower coat waterproofing agent, including 35.0 to 36.0% by weight and silica sand No. 7;
Bridge waterproofing agent, characterized in that consisting of.
상기 유색안료는 산화철(Fe2O3)인 것을 특징으로 하는 교면 방수제.According to claim 1,
The colored pigment is iron oxide (Fe 2 O 3 ) Bridge waterproofing agent, characterized in that.
상기 규사 7호는, 노면의 거칠기를 주기위해 입도의 크기를 0.1∼0.3㎜로 하는 것을 특징으로 하는 교면 방수제.According to claim 1,
The silica sand No. 7 is a bridge waterproofing agent, characterized in that the size of the particle size is 0.1 to 0.3 mm to give the roughness of the road surface.
(b) 교면에 메틸 메타아크릴레이트(methyl methacrylate) 수지 55.0∼60.0중량%와, 2-에칠헥실아크릴레이트(2-ethylhexyl acrylate) 7.5∼8.5중량%와, 파라로이드(paraloid) 수지 26.0∼28.0중량%와, 고분자 첨가제 1.5∼2중량%와, 에폭시 아크릴레이트(epoxy acrylate) 4.0∼5.0중량%와, 파라핀 왁스 0.4∼0.6중량%를 포함하는 하도 방수제를 도포하는 단계;
(c) 상기 하도 방수제에 Trimethylol melamine resin 34.0∼35.0중량%와, 유연제 0.2∼0.3중량%와, 경화촉진제 0.5∼0.6중량%와, 유색안료 6.0∼7.0중량%와, 침강방지제 0.5∼1.5중량%와, 탄산칼슘 17.0∼18.0중량%와, 규사 7호 35.0∼36.0중량%를 포함하는 상도 방수제를 도포하는 단계;
를 포함하는 것을 특징으로 하는 교면 방수제를 이용하는 교면 방수공법.(a) removing foreign substances remaining on the bridge surface and performing a leveling operation;
(b) 55.0 to 60.0% by weight of methyl methacrylate resin, 7.5 to 8.5% by weight of 2-ethylhexyl acrylate, and 26.0 to 28.0% by weight of paraloid resin on the bridge surface %, applying a waterproofing agent containing 1.5 to 2% by weight of polymer additives, 4.0 to 5.0% by weight of epoxy acrylate, and 0.4 to 0.6% by weight of paraffin wax;
(c) 34.0 to 35.0% by weight of trimethylol melamine resin, 0.2 to 0.3% by weight of a softener, 0.5 to 0.6% by weight of a hardening accelerator, 6.0 to 7.0% by weight of a colored pigment, and 0.5 to 1.5% by weight of an antisettling agent in the undercoat waterproofing agent And, applying a top coat waterproofing agent containing 17.0 to 18.0% by weight of calcium carbonate and 35.0 to 36.0% by weight of silica sand No. 7;
Bridge waterproofing method using a bridge waterproofing agent comprising a.
상기 규사 7호는, 노면의 거칠기를 주기위해 입도의 크기가 0.1∼0.3㎜인 것을 사용하도록 하는 것을 특징으로 하는 교면 방수제를 이용하는 교면 방수공법.According to claim 4,
The silica sand No. 7 is a bridge waterproofing method using a bridge waterproofing agent, characterized in that to use a particle size of 0.1 to 0.3 mm to give the road surface roughness.
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| KR101127529B1 (en) * | 2011-09-28 | 2012-03-22 | 대보하우징 주식회사 | Composition for coating road pavement with quick drying characteristic |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102636131B1 (en) * | 2024-01-18 | 2024-02-13 | 정승래 | Paint-type bridge waterproofing composition using modified asphalt and its construction method |
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