The geogdd reinforced flexible support technology has successfully dealt with the slump problem of expansive soil cutting slope in Guangxi Nanning-Friendship Gate, Baise-Longlin and Beijing West Sixth Ring Expressway,thus, combined with the application practices of this technology in the expansion rock（soil）cutting slope in the south and north,this article conducted the comparative analysis on engineering geology, slope failure forms and specific design scheme of different expansive rock（soil）in different places,obtained the general validit...
