秦岭隧道采用了湿式喷混凝土（包括湿喷钢纤维混凝土和湿喷素混凝土）进行初期支护和永永支护，取得了良好的效果。

Wet shotcrete, including wet steel fiber shotcrete and wet plain shotcrete, has been adopted for the temporary and permanent lining of Qinling Railway Tunnel and good results have been obtained.

youdao

秦岭隧道采用了湿式喷混凝土（包括湿喷钢纤维混凝土和湿喷素混凝土）进行初期支护和永永支护，取得了良好的效果。

Wet shotcrete, including wet steel fiber shotcrete and wet plain shotcrete, has been adopted for the temporary and permanent lining of Qinling Railway Tunnel and good results have been obtained.

youdao