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微表处混合料乳化沥青用量设计指标的探讨 被引量:6

Discussion on Design Indexes of Optimal Asphalt Content for Micro-Surfacing Mixture
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摘要 通过室内试验研究以及工程数据的汇总,对微表处混合料乳化沥青用量的设计指标进行了检验。建议粘附砂量调整为不大于450 g/m2,浸水1 h湿轮磨耗(WTAT)指标取整为不大于540 g/m2使用;混合料的浸水6天WTAT取整为不大于800 g/m2使用。 Some requirements for Micro-Surfacing mixture were inspected by laboratory tests and construction practices. The maximum of 538 g/m2 for sand adhesion value was not proper for establishing the maximum limits of asphalt content, which was suggested to be adjusted to 450 g/m2. The maximum limits of 538 g/m2 for 1 hour soak WTAT and 807 g/m2 for 6 days soak WTAT were testified to be suitable for us. In order to be calculated, it was suggested to use 540 g/m2 for 1 hour soak WTAT and 800 g/m2 for 6 days soak WTAT as the maximum limits.
出处 《石油沥青》 2004年第6期43-46,共4页 Petroleum Asphalt
关键词 乳化沥青 微表处 混合料设计 <Keyword>Asphalt emulsion Micro-Surfacing Mixture design
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参考文献2

  • 1[1]International Slurry Surfacing Association. ISSAA143 Recommended Performance Guidelines for Micro-Surfacing. 2000.
  • 2[2]International Slurry Surfacing Association. ISSATB109 Test method for measurement of excess asphalt in bituminous mixtures by use of a loaded wheel tester and sand adhesion, 1990.

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