【摘要】 SMA是 1种由沥青、纤维稳定剂、矿粉及少量细集料组成的沥青玛蹄脂填充在间断级配的粗集料骨架间隙中而组成的沥青混和料 .基本组成有碎石骨架和沥青结合料 2大部分 .SMA路面结构具有良好的高温稳定性、低温抗裂性、耐久性、抗滑性 ,特别适用于交通量大、重载、超载、渠化交通的高等级公路 .在我国高速公路建设中应用广泛 .更多还原

【Abstract】 SMA is an asphalt mixture whose frame gaps of coarse aggregate filled by mixture material which is made of asphalt, fibre stable agent, mineral powder and asphalt mixture. SMA pavement structure is good in high temperature stability, low temperature crack resistance, durability and slide resistance, especially suitable for expressway with large traffics and heavy loads. Therefore SMA pavement has been used widely for expressway construction in our country.更多还原