稀浆封层作高速公路下封层试验研究

蒋胜广¹  徐刚直²  陈崇驹³

（湖南省岳阳市规划勘测设计院¹浙江大地交通工程有限公司²

同济大学道路与交通工程教育部重点实验室³）

摘 要：本文针对安徽省庐铜高速公路用乳化沥青稀浆封层作下封层，根据室内试验进行了配合比组成设计、试验路铺筑与质量检验，结果表明使用乳化沥青稀浆封层可增强防水性能，能提高下面层与基层的层间结合，具有良好的路用性能效果。

关键词：稀浆封层；下封层；配合比设计；质量检验

Testing Research on Slurry Seal as under seal coat in freeway

JIANG Sheng-guang  XU Gang-zhi  CHEN Chong-ju

Abstract: Emulsified bitumen slurry seal was used as under seal coat in LU-TONG freeway in Anhui Province, the mix design in laboratory and construction of testing road and quality test have been done. The results indicate that emulsified bitumen slurry seal can strengthen waterproof performance of asphalt mixture and can strengthen the connection between asphalt binder course and base course.

Key words: slurry seal; under seal coat in; mix design; quality testing