Temperature and Void Ratio of Asphaltic Layers Constructed in Cold and Ordinary Seasons.

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  • 寒冷期および通常期の施工時におけるアスファルト舗装の温度と空げき率
  • 寒冷地および通常期の施工時におけるアスファルト舗装の温度と空げき率
  • カンレイキ オヨビ ツウジョウ キ ノ セコウジ ニ オケル アスファルト ホ

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Abstract

This paper describes temperatures and void ratios of asphaltic layers constructed using three roller types in cold and ordinary seasons, and the effects of heating and cold cutting of the surfaces in lower layers.<br>The following conclusions were obtained:<br>The void ratios of asphaltic layers constructed in cold season were larger than those of layers constructed in ordinary season due to the effect of temperatures in the lower layers.<br>The void ratios and their vertical distributions of asphaltic mixtures were influenced by roller types, roughness of the surfaces in the lower layers, gradation and thickness of the mixtures.

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