A.K10+010~K10+210和K10+690~K10+790为Ⅳ级围岩衬砌;K10+210~K10+690为Ⅲ级围岩衬砌
B.K10+010~K10+200和K10+700~K10+790为Ⅳ级围岩衬砌;K10+200~K10+700为Ⅲ级围岩衬砌
C.K10+010~K10+200和K10+200~K10+710为Ⅳ级围岩衬砌:K10+200~K10+700为Ⅲ级围岩衬砌
D.K10+010~K10+190和K10+710~K10+790为Ⅳ级围岩衬砌;K10+190~K10+710为Ⅲ级围岩衬砌