lower subbase的意思|示意

Many engineering experience demonstrate that in order to elevate subbase working properties , lower project investment , prolong pavement using life - span and raise synthetical benefic.

大量的工程实践表明，为了提高基层工作性能，延长路面使用寿命，必须在配合比设计时将抗裂性考虑在内。

It is concluded that the asphalt treated base pavement can improve the temperature condition in the layer of semi-rigid base material and lower the thermal stress in the bottom of subbase.

分析得出，设置沥青稳定碎石基层路面能够改善半刚性材料层温度状况以及层底温度应力。