Combined with a filled and excavated subgrade construction of section K59 + 470 ~ K59 + 630 of Qixia-Laixi Expressway in Shandong Province , a double anchor construction project was put forward .
结合栖莱高速公路K59+470～K59+630半填半挖段路基建设问题，提出坡间挡土墙双锚建造方案。
k59