凍結に伴うNaCl湿潤アスファルト舗装のすべり抵抗低下

書誌事項

タイトル別名
  • Decrease in Sliding Resistance of Wet Asphalt Pavement with Sodium Chloride due to Freezing
  • トウケツ ニ トモナウ NaCl シツジュン アスファルト ホソウ ノ スベリ テイコウ テイカ

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抄録

Freezing experiment of sodium chloride (NaCl) solution on an asphalt pavement was carried out and the mass ice content, i, and the concentration NaCl, C s, were measured at different elapsed time of the experiment.A forecast model of snow/ice condition on a road developed by authors could reproduce the increase in i and C s due to freezing. Our model, furthermore, could reproduce the decrease in the resistance (BPN) of the asphalt pavement covered with NaCl solution due to freezing using the BPN- i relation obtained from our another experiment.

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