对于薄层罩面工程，采用硬质沥青混合料更具有显著的技术特点和经济优势。
Hard asphalt used on thin overlay has a more significant technical features and economic advantages.
介绍了鞍钢化工总厂硬质沥青加料泵皮带调速改为交流变频调速的实际应用过程。
The practice after the feeding pump of hard pitch controlled by belt changed into frequency control of speed in AISC Chemical General Plant is introduced.
此外，结合试验路的修筑，总结出一套薄层罩面硬质沥青混凝土面层的施工工艺。
In addition, combined with a large number of test road construction, the construction technology of hard asphalt of thin overlay were Summed up.
梁春雨。30#硬质沥青用于沥青路面中下面层的试验研究[D]。长春：吉林大学， 2007。
LIANG Chun-yu. Test Study of 30# Hard Grade Asphalt Used for Mid or Lower Surface Layers of Asphalt Pavement[D]. Chuangchun:Jilin University, 2007.
硬质沥青具有良好的路用性能，在常温状态下还具有较常见基质沥青好的力学性能、耐疲劳性能和水稳性。
Hard asphalt mixture have well pavement performace, and have better mechanical performance fatigue resistance and water damage resistance.
硬质沥青具有良好的路用性能，在常温状态下还具有较常见基质沥青好的力学性能、耐疲劳性能和水稳性。
Hard asphalt mixture have well pavement performace, and have better mechanical performance fatigue resistance and water damage resistance.
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