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首页> 外文会议>International Workshop on Energy and Environment in the Development of Sustainab;e Asphalt Pavements(沥青路面与能源环境的可持续发展国际研讨会） >Determination Method of Optimum Asphalt Content for Porous Asphalt Concrete
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Determination Method of Optimum Asphalt Content for Porous Asphalt Concrete

机译：多孔沥青混凝土最佳沥青含量的确定方法

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摘要

The current determination method of optimum asphalt content for porous asphalt concrete has several obvious deficiencies, such as big error of determine infection, great influence from artificial subjective factors, not exact OAC selection and so on. Therefore, on the basis of analyzing and summarizing the current method, the author put forward a new determination method of OAC for porous asphalt concrete. This method adopted 15% scattering loss and 0.3% drain-down dosage as control standards, and fully considered the objectivity as well as asphalt film thickness in mixture design. Besides that, the new method also put forward a specific formula to calculate OAC. Used the two methods to compare three successfully paved porous asphalt concrete pavements in our country, and the results showed that the OAC determined by new method is the same or close to the OAC practically adopted in these expressways, moreover the new method is more simple and objective.
机译：目前确定多孔沥青混凝土最佳沥青含量的方法存在几个明显的缺陷，如确定感染误差大，人为主观因素影响大，OAC选择不准确等。因此，在对现有方法进行分析和总结的基础上，提出了一种新的多孔沥青混凝土OAC测定方法。该方法采用15％的散射损失和0.3％的排水量作为对照标准，并在混合料设计中充分考虑了客观性和沥青膜厚度。除此之外，新方法还提出了计算OAC的具体公式。运用这两种方法对我国三种成功铺设的多孔沥青混凝土路面进行了比较，结果表明，新方法确定的OAC与上述高速公路实际采用的OAC相同或相近，而且新方法更为简便，实用。目的。

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