LARGE-SCALED REHABILITATION WORKS AT RUNWAY OF FUKUOKA AIRPORT AGAINST BLISTERING

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  • ブリスタリング対策を講じた福岡空港滑走路の大規模補修

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Large-scaled rehabilitation works with inlay were carried out on pavements of Fukuoka Airport runway under conditions that large aircraft run with high frequency immediately after the end of daily work, without affecting aircraft operation. As the rehabilitation procedure, the following was developed through a series of laboratory tests and experimental constructions. Namely, both modified asphalt and temperature decreasing additive were introduced into asphalt mixtures, with larger maximum sized aggregates having gap grade for binder course. In addition, quick-drying tack coat was also used. As the construction quality control, the pavement surface temperature was set at 60°C or lower one hour before service to operation. This method was verified by inspecting the rehabilitated pavement successively.

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