LMC 교면포장공법의 국내 도입 방안

Strategy of LMC Application at Bridge Overlay in Korea

  • 김기헌 ((주)승화이엔씨 기술연구소장, 기술사) ;
  • 윤경구 (강원대학교 토목공학과) ;
  • 박상일 (한국도로공사 설계처 기준부장, 기술사) ;
  • 홍창우 (강원대학교 토목공학과) ;
  • 이주형 (강원대학교 토목공학과)
  • 발행 : 2000.10.01

초록

Latex modified concrete (LMC) has grown to be accepted as a standard material of construction overlaying bridge decks in America due to its superior physical and chemical properties. The properties of latex, combined with the low water-cement ratio, produce a concrete that has improved flexural, tensile, and bond strength, lower modulus of elasticity, increased freeze-thaw resistance, and reduced permeability compared to conventional concrete of similar mix design. LMC overlays have been service in excellence for 30 years on thousands of bridge in U.S.A. This may, also, prolong the life cycle of bridge deck once it is adopted in Korea. The self-contained, mobile, continuous mixer is most appropriate particularly for concrete quality assurance. Assuring quality on a bridge deck overlay project should begin in the design phase and continue after the construction is completed. Quality should be the concern of everyone involved-owner, designer, and contractor.

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