一种成品温拌沥青的热存储耐久性
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U 416.217

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Durability Performance of a Warm Asphalt Product During Hot Storage
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    摘要:

    对一种由温拌剂改性生产的成品温拌沥青进行了沥青性能、混合料性能和现场热储存耐久性能评价,并与基质沥青进行了对比.该温拌沥青与基质沥青的技术性能指标(包括粘度)相当,但温拌沥青能够提高混合料的施工和易性,降低施工温度,且其温拌混合料性能不低于热拌沥青混合料的技术要求.在生产现场,温拌沥青经过长期高温储存后,仍能降低混合料的施工温度,具有较好的热储存耐久性.

    Abstract:

    Comparison with base asphalt,an evaluation was made of the performance of warm asphalt modified by the surfactant based warmmix additives in asphalt properties,mixture performance and asphalt durability after hot storage.The technical indicators (including viscosity) of this warm asphalt were on the same level with base asphalt.But the warm asphalt could improve mixture workability,reduce compaction temperature.And the performance of its warm mix asphalt (WMA) was not less than the hot mix asphalt (HMA) technology requirements.At the production site,the warm asphalt after a longterm storage at high temperature could still reduce compaction temperature,so it had good thermal storage durability.According to such evaluation results,the WMA technology using the warm asphalt directly is feasible.

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梁亚军,黄婉利,麻旭荣,许志鸿.一种成品温拌沥青的热存储耐久性[J].同济大学学报(自然科学版),2011,39(12):1816~1820

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历史
  • 收稿日期:2010-10-19
  • 最后修改日期:2011-10-13
  • 录用日期:2011-06-22
  • 在线发布日期: 2012-01-09
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