A Eco-friendly Waterproofing Treatment Composition for Road and Waterproofing Methods using Thereof

The present invention relates to a waterproofing composition for a bridge deck and a waterproofing method using the same. The waterproofing composition for a bridge deck, based on 100 parts by weight of asphalt, comprises: 10 to 40 parts by weight of styrene butadiene styrene; 10 to 60 parts by weight of a polyurethane prepolymer; 5 to 30 parts by weight of methyl methacrylate; 5 to 30 parts by weight of a silane compound; 5 to 20 parts by weight of paraffin; 3 to 15 parts by weight of calcium carbonate; 3 to 15 parts by weight of a cellulose fiber; 3 to 20 parts by weight of nano-ceramic particles; 5 to 30 parts by weight of an anti-peeling agent; 3 to 10 parts by weight of an antioxidant; 1 to 20 parts by weight of an adhesion promoter; and 0.1 to 5 parts by weight of an antifoaming agent. According to the present invention, the waterproofing composition for a bridge deck can form an additional protective film by applying a coating agent, which is environmentally friendly and is excellent in penetration into microcracks of concrete and capillary pores, to the waterproofing method, and can not only strengthen the bonding between a concrete bridge deck and a waterproofing interface which are easily damaged by external load or impact, but also improve the resistance to permeability, thereby greatly improving the durability of the concrete bridge deck. 본 발명은 아스팔트 100중량부 기준으로, 스티렌부타디엔스티렌 10 내지 40중량부; 폴리우레탄 프리폴리머 10 내지 60중량부; 메틸메타크릴레이트 5 내지 30중량부; 실란화합물 5 내지 30중량부; 파라핀 5 내지 20중량부; 탄산칼슘 3 내지 15중량부; 셀룰로오스 섬유 3 내지 15중량부; 나노세라믹입자 3 내지 20중량부; 박리방지제 5 내지 30중량부; 산화방지제 3 내지 10중량부; 부착증진제 1 내지 20중량부; 및 소포제 0.1 내지 5중량부를 포함하는 교면방수제 조성물 및 이를 이용한 방수공법에 관한 것이다. 본 발명에 따른 교면방수제 조성물은 친환경적이면서도 콘크리트의 미세균열 및 모세관 공극 등에의 침투성능이 우수한 도포제를 방수공법에 적용함으로써, 추가적 보호막을 형성할 수 있고, 외부하중이나 충격 등으로 손상받기 쉬운 콘크리트 교면과 방수제 계면의 결합을 공고히 할 수 있을 뿐만 아니라 내투수 저항성을 향상시킬 수 있어 콘크리트 교면의 내구성을 대폭 향상시킬 수 있다.