SMA沥青混合料粗集料用量的变化对路用性能的影响规律研究

  1    2  张基成3

(江苏连徐高速公路有限公司1 徐州市高速公路建设指挥部2 徐州市公路机械化施工处3

摘要  SMA沥青路面结构混合料中粗骨料含量高是其显著特征之一,如何有效控制粗骨料含量,保证其骨架嵌挤密实结构的力学性能,其用量变化对沥青路面路用性能的影响规律如何,本文通过试验进行研究。

关键词  SMA;沥青混合料;粗集料;影响; 研究

The Influence of Course Aggregate Content on SMA Performance

              GENG Min GAO Shang  ZHANG Ji-cheng

  Abstract: Stone matrix asphalt SMA is characterized by its high content of coarse aggregate, How to effectively control the content to maintain its skeleton and dense arrangement, and how it effecting the pavement performance, are studied in this paper by the lab test.

  Key words: Stone matrix asphalt; Coarse aggregate; Effect; Research