文章结合国道324线罗梅公路大修工程,探讨了碎石化技术原理、主要设备、适用条件,进行了旧路调查、试验检测分析及落锤高度和锤迹间距的正交试验,提出了适合本地区旧水泥混凝土路面多锤头碎石化施工工艺参数及工艺流程。最后,在冲罗公路修筑了4种含碎石化结构层的试验路,弯沉和回弹模量测试表明均满足水泥混凝土路面基层的要求。 Based on the national highway 324 line LuoMei highway overhaul project, this paper discusses the principle of crushing technology, main equipment, suitable conditions, carried out the old road survey, test analysis and orthogonal test of drop height and hammer spacing, put forward suitable The construction parameters and technological process of multi - hammerhead crushed stone in the old cement concrete pavement in this area. Finally, four kinds of experimental roads with crushed structure layers were constructed on the Nongluo Highway, and the deflection and the rebound modulus tests all showed that they met the requirements of the cement concrete pavement.