KR101058231B1 - Bridge water-proof material for mixing used mma resin and bridge water-proof constructing mehtod without connection of concrete and steel plate - Google Patents
Bridge water-proof material for mixing used mma resin and bridge water-proof constructing mehtod without connection of concrete and steel plate Download PDFInfo
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- KR101058231B1 KR101058231B1 KR1020110027212A KR20110027212A KR101058231B1 KR 101058231 B1 KR101058231 B1 KR 101058231B1 KR 1020110027212 A KR1020110027212 A KR 1020110027212A KR 20110027212 A KR20110027212 A KR 20110027212A KR 101058231 B1 KR101058231 B1 KR 101058231B1
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- concrete
- steel plate
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 239000004567 concrete Substances 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000011347 resin Substances 0.000 title claims abstract description 21
- 229920005989 resin Polymers 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 238000002156 mixing Methods 0.000 title claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 6
- 239000001023 inorganic pigment Substances 0.000 claims abstract description 5
- 238000004078 waterproofing Methods 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 25
- 238000010276 construction Methods 0.000 claims description 22
- 238000004132 cross linking Methods 0.000 claims description 22
- 239000010426 asphalt Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 11
- 230000035515 penetration Effects 0.000 claims description 10
- KQNZLOUWXSAZGD-UHFFFAOYSA-N benzylperoxymethylbenzene Chemical compound C=1C=CC=CC=1COOCC1=CC=CC=C1 KQNZLOUWXSAZGD-UHFFFAOYSA-N 0.000 claims description 9
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000011247 coating layer Substances 0.000 abstract description 3
- 230000006866 deterioration Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 18
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- 239000003999 initiator Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- -1 Methyl Methy Acrylate Chemical compound 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- MFICMDKKOZOGQZ-UHFFFAOYSA-N cyclohexane;cyclohexanone Chemical compound C1CCCCC1.O=C1CCCCC1 MFICMDKKOZOGQZ-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Images
Classifications
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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
- 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
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- 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
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
Description
본 발명은 MMA 레진을 이용한 혼합용 교면 방수재 조성물과 이를 이용한 콘크리트 및 강상판 무이음 교면 방수 시공방법에 관한 것으로서, 보다 구체적으로는 단기간 내 양생되면서 하지면과 완벽하게 접착하여 우수한 내구성 및 내수성을 부여하는 도막층을 콘크리트 및 강상판 교면에 형성하여 이의 열화 및 부식을 원천적으로 방지하기 위한 MMA 레진을 이용한 혼합용 교면 방수재 조성물과 이를 이용한 콘크리트 및 강상판 무이음 교면 방수 공사를 표준화된 혼합용 자재를 이용하여 공압스프레이기기에 의한 환경친화적인 시공현장과 빠르고, 정밀한 시공방법에 관한 것이다.
The present invention relates to a cross-linking waterproofing composition for mixing using MMA resin and to a method of waterproofing concrete and steel plate seamless joints using the same. More specifically, it provides excellent durability and water resistance by perfectly bonding to the lower surface while curing within a short period of time. Pneumatic pavement waterproofing composition using MMA resin to prevent the deterioration and corrosion of the coating layer formed on the bridge surface of concrete and steel plate by using standard mixing material The present invention relates to an environment-friendly construction site by a spray device and a fast and precise construction method.
교면포장에 있어서 방수층은 침투수로부터 바닥판을 보호하는 기능을 하며, 방수성 및 접착성 확보, 구조적 동일체 형성, 내구성 확보 등의 역할을 한다. 물이 침투하면 콘크리트 바닥판에서는 피로 파손이 촉진되며, 철근 및 강재에 부식을 일으켜 교량의 내구성을 저하시키므로 방수층은 물의 침투를 방지하여 포장과 바닥판의 내구성을 향상시키기 위한 층으로 중요한 역할을 한다. 방수층은 적용초기에는 중요성이 인식되지 않아 기준이 정립되지 않았으나, 최근에는 다양한 방수재료와 공법들이 개발되면서 교량 바닥판 보호 및 아스팔트 층과의 역학적 관계에도 영향을 미친다는 연구결과에 따라 그 중요도가 높아지고 있다.
In the pavement packaging, the waterproofing layer functions to protect the bottom plate from the infiltration water, and plays a role of securing waterproofness and adhesiveness, forming structural entities, and securing durability. As water penetrates, fatigue breakdown is promoted in concrete deck and corrosion of reinforcing steel and steel reduces bridge durability. Waterproof layer plays an important role as a layer to improve the durability of pavement and floorboard by preventing water penetration. . As the waterproof layer was not recognized in the early stage of application, the standard was not established. However, the importance of the waterproof layer is increasing in accordance with the results of the recent research that various waterproofing materials and methods have been developed to affect the bridge deck protection and the mechanical relationship with the asphalt layer. have.
그런데 종래 교면 방수재로는 AP유제, 시트방수, 클로로프렌계 등이 주로 사용되고 있으나, 이러한 교면 방수재를 적용한 시공방법에 의하면, 보수작업이 힘들고 교량 바닥판 및 포장층과의 부착력이 부족하거나, 접착성이 우수하지만 아스팔트 포장과의 접착성을 확보하기 위한 양생시간이 길어지거나, 현장에서 규사를 표면에 뿌리는 타설방식으로 빠른 시공에는 취약한 문제점을 나타내고 있는 실정이다.
However, AP emulsion, sheet waterproofing, chloroprene-based, etc. are mainly used as a conventional crosslinking waterproofing material. However, according to the construction method applying the crosslinking waterproofing material, repair work is difficult and adhesion to the bridge deck and paving layer is insufficient, Although excellent curing time to secure the adhesiveness with the asphalt pavement, or in the field is a situation that is vulnerable to rapid construction by the casting method of spraying silica sand on the surface.
본 발명은 상기한 종래 기술의 문제점을 해결하기 위해 안출된 것으로서, 단기간 내 양생되면서 하지면과 완벽하게 접착하여 우수한 내구성 및 내수성을 부여하는 도막층을 콘크리트 및 강상판 교면에 형성하여 이의 열화 및 부식을 원천적으로 방지할 수 있는 MMA 레진을 이용한 혼합용 교면 방수재 조성물과 이를 이용한 콘크리트 및 강상판 무이음 교면 방수 공사를 환경적인 현장과 빠르고 정밀한 시공방법을 제공하는데 그 목적이 있다.
The present invention has been made to solve the above-mentioned problems of the prior art, and forms a coating layer on the concrete and steel plate cross-section to give excellent durability and water resistance by fully bonding to the lower surface while curing within a short period of time to prevent its degradation and corrosion The purpose of the present invention is to provide an environmental site and a fast and precise construction method for the mixed bridge waterproofing material composition using MMA resin and the concrete and steel plate seamless bridge construction waterproofing using the same.
상기 목적을 달성하기 위하여, 본 발명은, MMA 레진 40~50중량%와, 탄산칼슘 10~20중량%와, 나노실리카 1~5중량%와, 무기안료 2~5중량%와, 입도 0.6mm 미만 규사 10~20중량%와, 입도 0.6~1mm 미만 규사 5~15중량%와, 입도 2~5mm 미만 규사 5~15중량%로 이루어지는 것을 특징으로 한다.
In order to achieve the above object, the present invention, 40-50% by weight MMA resin, 10-20% by weight calcium carbonate, 1-5% by weight nanosilica, 2-5% by weight inorganic pigment, 0.6mm particle size It is characterized by consisting of less than 10 to 20% by weight of silica sand, 5 to 15% by weight of silica sand less than 0.6-1mm, and 5 to 15% by weight of silica sand less than 2 to 5mm particle size.
한편으로 본 발명은, 콘크리트 또는 강상판 교면을 정리하는 제1 단계와; 상기 교면에 침투형 프라이머를 도포하는 제2 단계와; 상기 침투형 프라이머상에 청구항 1 또는 청구항 2에 따른 방수재 조성물을 도포하는 제3 단계와; 상기 방수재 조성물상에 유화아스팔트를 도포하는 제4 단계와; 상기 유화아스팔트상에 아스팔트를 포장하는 제5 단계;로 이루어지는 것을 특징으로 한다.
On the other hand, the present invention, the first step of arranging the concrete or steel plate cross-section; Applying a penetration primer to the cross section; A third step of applying the waterproofing composition according to claim 1 or 2 on the penetration primer; A fourth step of applying an emulsified asphalt on the waterproofing material composition; And a fifth step of paving asphalt on the emulsified asphalt.
상술된 바와 같이, 본 발명에 따른 MMA 레진을 이용한 혼합용 교면 방수재 조성물과 이를 이용한 콘크리트 및 강상판 무이음 교면 방수 시공방법은 빠른 시간 내에 내구성이 우수한 방수층을 조성할 수 있어 교통 통제에 따른 불편함과 비용낭비를 예방할 수 있도록 하는 한편, 콘크리트 또는 강상판 하지면 및 아스팔트 포장층과 완벽하게 접착될 수 있음에 따라 아스팔트 포장층의 탈락 및 파손을 방지할 수 있다.
As described above, the composite cross-linking waterproofing composition using the MMA resin according to the present invention and the concrete and steel plate seamless joints waterproofing construction method using the same can create a waterproof layer with excellent durability in a short time and the inconvenience of traffic control While the cost can be prevented, it can be completely adhered to the concrete or steel plate base surface and asphalt pavement layer, thereby preventing the fall and breakage of the asphalt pavement layer.
도 1은 본 발명에 따른 혼합용 교면 방수재 조성물을 이용한 콘크리트 및 강상판 무이음 교면 방수 시공방법을 나타낸 흐름도.1 is a flow chart illustrating a concrete and steel plate seamless bridge construction waterproofing method using the mixed cross-linking waterproofing composition according to the present invention.
이하, 도면을 참조로 하여 본 발명에 따른 MMA 레진을 이용한 혼합용 교면 방수재 조성물과 이를 이용한 콘크리트 및 강상판 무이음 교면 방수 시공방법을 설명하기로 한다.
Hereinafter, with reference to the drawings will be described a composite cross-linking waterproofing composition using MMA resin according to the present invention and concrete and steel plate seamless joints waterproofing method using the same.
본 발명에 따른 MMA 레진을 이용한 혼합용 교면 방수재 조성물은 MMA 레진과, 탄산칼슘과, 나노실리카와, 무기안료와, 규사로 이루어지며, 최적의 침투성과 부착성을 나타내기 위해 보다 바람직하게는 MMA 레진 40~50중량%와, 탄산칼슘 10~20중량%와, 나노실리카 1~5중량%와, 무기안료 2~5중량%와, 입도 0.6mm 미만 규사 10~20중량%와, 입도 0.6~1mm 미만 규사 5~15중량%와, 입도 2~5mm 미만 규사 5~15중량%로 이루어지며, 하기의 표 1 및 표 2는 각각 레진 및 슬러리 형태일 때 교면 방수재 조성물의 물성을 나타낸 것이다.
The cross-linking waterproofing composition for mixing using MMA resin according to the present invention is composed of MMA resin, calcium carbonate, nano silica, inorganic pigments, and silica sand, and more preferably MMA for showing optimum permeability and adhesion. 40-50% by weight of resin, 10-20% by weight of calcium carbonate, 1-5% by weight of nanosilica, 2-5% by weight of inorganic pigment, 10-20% by weight of silica sand with less than 0.6mm of particle size, 0.6- of particle size 5 to 15% by weight of silica sand less than 1mm, and 5 to 15% by weight of silica sand less than 2 to 5mm, Table 1 and Table 2 below shows the physical properties of the cross-linking waterproofing composition when in the form of a resin and slurry, respectively.
-겉모양(잔갈림, 변색)Accelerated weather resistance-open carbon arc
Appearance (wagging, discoloration)
C 109M:2008ASTM C 109 /
C 109M: 2008
상기와 같은 교면 방수재 조성물에서 MMA 레진(Methyl Methy Acrylate reactive resin)은 에스테르, 아크릴 또는 메타크릴산에 기초로 한 화합물로써 탄소이중결합 집합체로 이루어져 나노실리카와 함께 경화되기 위해 도포 시에 분말경화촉진제인 벤질과산화물(BPO)이 방수재에 첨가되며, 이러한 방수재 조성물은 MMA 수지계 콘크리트 및 강상판 교량 교면용 슬러리 방수재로서 짧은 시간(30분) 내에 경화되면서, 하지면과 완벽하게 접착되어 강인하고 유연한 무이음 방수 도막층을 형성시켜 주어 교량 상판의 부식을 원천적으로 막아 줄 수 있는 완벽한 방수층을 만들어 주고, 콘크리트 및 강상판과의 강력한 접착력과 적절한 유연성을 가진 불투수성 탄성 도막을 형성시켜 아스팔트 표층과의 전단 접착력이 탁월하여 통행과다 및 중차량의 통행에 따른 표층의 밀림, 균열, 박락으로 인한 포장층의 파손을 막아주어 장기간 쾌적한 주행 환경을 유지시켜줄 수 있으며, 불투수성과 염이온 및 각종 유류를 포함한 화학물질에 대한 탁월한 내구성을 가지고 있어 장기간 교량 교면을 보호해 줄 수 있다.
MMA resin (Methyl Methy Acrylate reactive resin) is a compound based on ester, acrylic or methacrylic acid in the cross-linking waterproofing composition is composed of carbon double bond aggregates, which is a powder curing accelerator upon application to cure with nano silica Benzyl peroxide (BPO) is added to the waterproofing material, and this waterproofing material is a slurry waterproofing material for MMA resin-based concrete and steel plate bridge bridges. By forming a layer, it creates a perfect waterproof layer that can fundamentally prevent corrosion of the bridge deck, and forms an impermeable elastic coating film with strong adhesion to concrete and steel plates and adequate flexibility to provide excellent shear adhesion to the asphalt surface. Surface jungle caused by heavy and heavy traffic, Heat, given prevent damage to the pavement caused by exfoliation can astute maintain the long-term pleasant driving environment, it has excellent resistance to chemicals, including impervious to salt ions and various oils can be used to protect the long-term bridge bridge deck.
상기의 혼합용 교면방수재 조성물에 분말경화개시제인 벤질과산화물(BPO)을 중량비 2~5%를 첨가하여 사용할 시에, 우수한 속경성을 갖는 교면방수재로서 시공시간을 단축시키고, 작업성을 단순화하여 현장조건에 부합할 수 있는 탄성제품으로 제조하여 탄산칼슘과 나노실리카, 골재 등을 투입한 혼합용으로서 우수한 논슬립과 무이음 도포가 가능함으로써 방수력이 탁월하고 고인장력, 내화학성, 내알카리성이 우수한 교면 방수재로 기능하게 되며, 시공 시 접착방법이나 슬립을 주기 위해 별도의 골재를 뿌리는 과정을 생략할 수 있어 시공시간 및 작업과정이 감소된다.
When the benzyl peroxide (BPO), a powder curing initiator, is added in a weight ratio of 2 to 5% to the mixed crosslinking waterproofing composition for mixing, it is a crosslinking waterproofing material having excellent fastness and shortens the construction time and simplifies workability. It is made of elastic product that can meet the conditions and mixed with calcium carbonate, nano silica, aggregate, etc., and it is possible to apply non-slip and seamless coating, so it is excellent in waterproof and high tensile strength, chemical resistance and alkali resistance. It will function as, the process of sprinkling the separate aggregate in order to give an adhesion method or slip during construction can be omitted, the construction time and work process is reduced.
도 1은 MMA 레진을 이용한 혼합용 교면 방수재 조성물과 이를 이용한 콘크리트 및 강상판 교면 방수 시공방법을 나타낸 흐름도이다.
1 is a flow chart showing the cross-linking waterproofing composition for mixing using MMA resin and concrete and steel plate bridge waterproofing construction method using the same.
한편으로 본 발명에 따른 혼합용 교면 방수재 조성물을 이용한 콘크리트 및 강상판 무이음 교면 방수 시공방법은 콘크리트 또는 강상판 교면을 정리하는 제1 단계와, 상기 교면에 침투형 프라이머를 도포하는 제2 단계와, 상기 침투형 프라이머상에 혼합용 방수재 조성물을 도포하는 제3 단계와, 상기 방수재 조성물상에 유화아스팔트를 도포하는 제4 단계와, 상기 유화아스팔트상에 아스팔트를 포장하는 제5 단계로 이루어진다.
On the other hand, concrete and steel plate seamless joint bridge construction method using the mixing cross-linking waterproofing composition according to the present invention comprises the first step of arranging the concrete or steel plate cross-section, the second step of applying the penetration primer to the bridge, and And a third step of applying the mixing waterproofing material composition on the permeable primer, a fourth step of applying the emulsified asphalt on the waterproofing material composition, and a fifth step of paving the asphalt on the emulsified asphalt.
상기 제1 단계에서는 콘크리트 상판의 경우 표층의 레이턴스, 먼지 및 이물질을 깨끗이 청소해 주고 열화 및 연약부위를 적합한 공기구를 이용 패칭해주고 청소해준 다음 시공부위의 습기를 충분히 건조시켜 주게 되는 한편, 강상판의 경우 각종 이물질과 녹 등을 적절한 기구와 용제를 이용 깨끗이 제거해주고 표면마감 상태는 숏 브라스팅(Shot Blasting) 해주며, 표면에 매친 습기는 에어를 이용하여 완전 건조시켜준다.
In the first step, in the case of concrete deck It cleans latent surface, dust, and foreign substances from the surface layer, patching deterioration and fragile parts with a suitable air hole, cleans them, and then dries the moisture of the construction site sufficiently. Use solvents and solvents to clean the surface. The surface finish is shot blasting, and the moisture on the surface is completely dried using air.
상기 제2 단계에서는 침투형 프라이머가 중량비 MMA 레진 50~60%와, MEK(Methyl Ethyl Ketone) 30~40%와, 사이크로헥산(Cyclohexanone) 5~10%로 이루어지도록 하여 최적의 침투력과 부착력이 발현되도록 하며, 바람직하게는 침투형 프라이머 전체 중량비에 대해 분말경화촉진제인 벤질과산화물(BPO)을 2~5%를 첨가하여 도포하며, 이러한 침투형 프라이머의 물성은 하기의 표 3과 같다.
In the second step, the penetration primer is composed of 50 to 60% by weight of MMA resin, 30 to 40% of MEK (Methyl Ethyl Ketone), and 5 to 10% of cyclohexane (Cyclohexanone) to achieve optimal penetration and adhesion. To be expressed, preferably be applied by adding 2-5% benzyl peroxide (BPO) as a powder curing accelerator to the total weight ratio of the penetration primer, the physical properties of the penetration primer is shown in Table 3 below.
이와 같은 제2 단계에서는 제1 단계를 거쳐 면 처리가 완료된 교면에 붓이나 롤러를 이용하여 고르게 침투형 프라이머를 도포하게 되며, 콘크리트 상판에서는 0.3-0.4kg/㎡로 사용하고 강상판에서는 0.2-0.25kg/㎡로 사용하는 것이 바람직하다.
In this second step, the penetrating primer is evenly applied to the bridge where the surface treatment is completed through the first step by using a brush or roller, 0.3-0.4kg / m2 on the concrete plate and 0.2-0.25kg on the steel plate. It is preferable to use at / m2.
상기 제3 단계에서는 이전에 언급된 바와 같은 본 발명에 따른 혼합용 교면 방수재를 도포하는 작업을 수행하게 되는데, 우선적으로 방수재 재료 혼합과정에 대해 살펴보면, 공장에서 정량 계량 공급된 혼합용 교면 방수재 및 경화개시제(벤질과산화물)와 믹서를 준비한 다음, 교면 방수재에 경화개시제(중량비 2~5%)를 넣어 약 30초 정도 균질하게 혼합해 주며, 주의할 사항으로는 교면 방수재 가사시간 약 15분 이내에 시공할 수 있는 양을 사전에 계산하여 현장에서 필요한 양만큼 혼합 사용한다.
In the third step, the operation of applying the mixing crosslinking waterproofing material according to the present invention as described above is performed. Referring first to the process of mixing the waterproofing material, the mixing crosslinking waterproofing material and the curing metered and supplied from the factory After preparing an initiator (benzyl peroxide) and a mixer, add a curing initiator (2 to 5% by weight) to the cross-linking waterproof material and mix it homogeneously for about 30 seconds. Calculate in advance the amount that can be mixed and use as much as necessary in the field.
또한 상기 제3 단계에서의 교면 방수재 도포과정에 대한 일례는 하기와 같다.In addition, an example of the process of applying the cross-linking waterproofing material in the third step is as follows.
(1) 완전 혼합된 용기의 재료를 시공부위에 부어준 후 고무밀대나 공압스프레이기를 이용하여 공기가 갇히지 않도록 요구되는 두께(2-4㎜)로 고르게 펼쳐준다.(1) Pour the material from the fully mixed container onto the construction site and evenly spread it to the required thickness (2-4㎜) to prevent air from being trapped using a rubber squeegee or pneumatic sprayer.
(2) 넓은 면적을 시공할 경우 면적을 나누어 시공해 주되 1차 시공부와의 시공 조인트가 생기지 않도록 밀실하게 시공해주고 두께의 편차가 생기지 않도록 시공해준다.(2) In case of constructing a large area, divide the area and construct it, but construct it tightly so that the construction joint with the primary construction part does not occur, and construct it so that there is no variation in thickness.
(3) 밀대 시공 시 시공해준 재료의 가사시간이 지나 겔화가 시작된 후에는 면고름 작업을 즉시 중단해 주어야 한다.(3) After the pot life of the material applied for the construction of the rod, the gelation work should be stopped immediately.
(4) 공압스프레이기 시공 시 기기에 믹서된 제품을 신속히 투입하여 바탕면에 작은 원을 그리듯이 돌려가며 고르게 도포하여야 한다.(4) When constructing the pneumatic sprayer, the product mixed in the equipment should be put in quickly and it should be applied evenly by turning like a small circle on the ground.
(5) 대기 및 상판의 온도에 따른 경화 시간은 경화개시제의 첨가량을 증감하여 조절한다.
(5) The curing time according to the temperature of the atmosphere and the top plate is controlled by increasing or decreasing the amount of the curing initiator added.
상기 제4 단계는 교면 방수재 및 아스팔트층 사이에 유화아스팔트층을 형성하게 되는데, 여기서 유화아스팔트라 함은 스트레이트 아스팔트(Straight Asphalt)의 미세한 입자(1~5㎛)를 유화제 및 안정제 등을 함유한 물에 분산시킨 암갈색의 액체 아스팔트로, 종래에 공지된 바와 같이 속건성, 동계용 등이 사용될 수 있으며, 이를 사용한 장점은 하기와 같다.
In the fourth step, an emulsified asphalt layer is formed between the crosslinked waterproofing material and the asphalt layer, wherein the emulsified asphalt is water containing fine particles (1-5 μm) of straight asphalt (emulsifier) and an emulsifier and a stabilizer. As a dark brown liquid asphalt dispersed in, as known in the art, quick-drying, such as for the winter can be used, the advantages using the same are as follows.
(1) 포장 가격이 저렴하고 공사기간 단축으로 인해 인건비 및 관리비 감소(1) Reduced labor and management costs due to the low packing price and short construction period
(2) 비가 온 직후, 골재에 온기가 있을 시, 상온 등과 같은 상황에서도 포장가능하며, 양생기간이 짧아 공기단축 가능(2) Immediately after rain, if there is warmth in the aggregate, it can be packaged even under the condition of room temperature, etc.
(3) 화재, 화상 및 공해 등의 위험이 없음(3) No risk of fire, burns and pollution
(4) 노상 혼합식으로 소도로 포장이 용이(4) It is easy to pack by small road mixing type
(5) 시공장비가 간단함(5) Simple construction equipment
(6) 재래도로의 재료를 골재로 사용할 수 있어 경제적임.
(6) Economical as it can use traditional road materials as aggregate.
마지막으로 상기 제5 단계에서는 순차적으로 형성된 침투형 프라이머층, 교면 방수재 조성물층 및 유화아스팔트층 위로 아스팔트층을 형성하여 양생기간을 단축시킴과 동시에 부착력이 향상된 교면 포장을 가능하게 한다.Finally, in the fifth step, the asphalt layer is formed on the penetration-type primer layer, the cross-linking waterproofing composition layer, and the emulsified asphalt layer which are sequentially formed, thereby shortening the curing period and enabling cross-linking with improved adhesion.
Claims (5)
상기 교면에 침투형 프라이머를 도포하는 제2 단계와;
상기 침투형 프라이머상에 청구항 1에 따른 방수재 조성물을 도포하는 제3 단계와;
상기 방수재 조성물상에 유화아스팔트를 도포하는 제4 단계와;
상기 유화아스팔트상에 아스팔트를 포장하는 제5 단계;로 이루어지되,
상기 제2 및 제3 단계에서는 MMA 레진과, MEK와, 사이크로헥산으로 이루어진 상기 침투형 프라이머와 방수재 조성물에 분말경화촉진제인 벤질과산화물을 첨가하여 도포하는 것을 특징으로 하는 혼합용 교면 방수재 조성물을 이용한 콘크리트 및 강상판 무이음 교면 방수 시공방법.A first step of arranging the intersection of the concrete or the steel plate;
Applying a penetration primer to the cross section;
A third step of applying the waterproofing composition according to claim 1 on the penetration primer;
A fourth step of applying an emulsified asphalt on the waterproofing material composition;
The fifth step of paving asphalt on the emulsified asphalt;
In the second and third steps using the mixed cross-linking waterproofing composition, characterized in that the powder-curing accelerator benzyl peroxide is added to the infiltration-type primer and waterproofing composition consisting of MMA resin, MEK, and cyclohexane Concrete and steel plate seamless bridge construction waterproofing method.
상기 제3 단계에서는 방수재 조성물 전체 중량비 2~5%로 벤질과산화물을 첨가하는 것을 특징으로 하는 혼합용 교면 방수재 조성물을 이용한 콘크리트 및 강상판 무이음 교면 방수 시공방법.The method according to claim 3,
In the third step, the concrete and steel plate seamless joint bridge waterproofing construction method using the mixed cross-linking waterproofing composition, characterized in that the benzyl peroxide is added in a weight ratio of 2 to 5% of the total weight of the waterproofing composition.
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