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• IP0115 - New antifreeze agent reduces life cycle costs of expressways structures.
  Atsunori ISHIDA , Masaya ONDA , Noriyuki NAKAJIMA , Naoto TAKAHASHI
  Individual paper (pdf - 809KB)

  NEXCO-Central manages approximately 2,200 km of expressways in Japan. About 60% of the expressways under management have been in operation for over 30 years, and the aging of structures is progressing due to increased heavy vehicle traffic and the effects of anti-freezing agent. In winter, NEXCO-Central manages snowy, cold regions where the snow depth exceeds 2 meters, and to ensure the safe flow [...]