【摘要】 京石高速公路河北段罩面采用 SAC- 16型沥青混凝土及 SBC改性沥青混凝土 .在主体工程开工之前 ,首先铺筑了罩面试验段 ,取得了 SBC混合料在拌和、运输、摊铺及碾压施工过程中的经验 ,从而很好地指导了主体工程的施工 ,保证了施工质量 ,这对于今后罩面工程的设计和施工都具有非常重要的参考价值更多还原

【Abstract】 SAC 16 pitch concrete and SBC improvement pitch concrete were used in the covering of pavement of Jing Shi freeway (the section of Hebei).Before the start of the main engineering,the experimental section of the covering was paved,and a good experience drawn from the construction processes of mixing,transportation,pavement and press of the SBC mixed material was presented,which successfully guided the main engineering to guarantee its quality.An important reference was given to both design and construction of the covering of pavement in future.更多还原