The construction technologies of rebuilding second grade expressway as high grade highway in loess plateau are studied. According to the Fidic Clause demands, the key quality control technologies are analyzed.

• 详细研究了黄土高原二级汽车专用公路改高速沥青混凝土路面的施工工艺,通过采用菲迪克条款的底基层、层、青下面层及加宽接缝的施工工序要求,深入分析了质量控制的关键工序和技术。