Japan Society of Civil Engineers 2020 Annual Meeting

Presentation information

第I部門

維持管理(耐候性鋼)(2)

Chair:Masazumi Miura

[I-13] Examination of construction days for repair painting of weathering steel bridges and repainting of ordinary steel painted bridges

〇Atsumi Imai1, Hiroaki Matsumoto1, Keishi Ochibe1, Makoto Ohya2, Masamichi Takebe2, Nozomu Nhirose2 (1.NIPPON STEEL ANTI-CORROSION CO.,LTD, 2.National Institute of Technology, Matsue College)

Keywords:weathering steel bridge, common steel painted bridge, repair painting, surface preparation, construction days, integrated unit price

The use of the water-washing method or the waterless method, which is the repair painting method for unpainted weathering steel bridges (bare materials), leads to an increase in the number of construction days. However, in order to ensure the quality of the repair paint and to consider the durability after repair Therefore, it is necessary to apply these methods. In the future, it is desirable that the effect of the increase in the number of days required for repairing and repairing weathering steel bridges (bare materials) be reflected in the integrated unit price.

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