Silty soil roadbed construction of Dezhou-Shangqiu Expressway ( Heze-Caoxian section ) shows that impact-rolling technology is key to roadbed stability , which has got excellent effect .
德商高速公路(菏泽至曹县段)粉土路基的施工实践表明,冲击压实对路基稳定性起着关键作用,取得了良好的效果。