bituminous macadam

基本解释

The bituminous pavement with semi-rigidity base made of lime-fly-ash bound macadam has been widely used in highway construction in China.
半刚性路面基层材料——二灰碎石以其优良的工作性能和显著的经济效益在我国道路建设中得到了广泛应用。
When a bituminous macadam pavement with rubber powder is laid on an old asphalt pavement, the reflex crack could be postponed and prevented, also the life of the pavement could be prolonged.
在旧的沥青路面上加铺掺橡胶粉的沥青碎石薄层，可以延缓或防止反射裂缝，延长路面的使用寿命，故有必要探讨掺橡胶粉的沥青碎石混合料的设计、施工方法及路用性能。