【摘要】通过国道104线改建工程应用的三大技术,即碎石化处理旧水泥砼路面、大粒径透水性沥青混合料技术和多孔隙水泥稳定碎石技术,介绍高等级道路拓宽改建过程中所要解决的主要问题,重点对大粒径透水性沥青混合料作为柔性基层,在路面大修改建过程中所起的作用进行了详细的分析,并对存在的问题进行了认真的探讨。【关键词】道路工程;大粒径透水性沥青混合料;应用;探讨【Abstract】104 State Line Road, the conversion of the three major technology applications, that is, the rubble of the old deal with cement concrete pavement, LSPM technology and the stability of porous cement stone technology, introducing high-grade road widening conversion process to resolve The main problem, the focus