YK11+610187S-Ⅳc三台阶法ZK11+498-ZK11+57072S-Ⅳc三台阶法YK11+610-YK11+807197S-Ⅲa台阶法ZK11+570-ZK12+030460S-Ⅲa台阶法YK11+807-YK11+83730Ⅲ级加强台阶法ZK12+030-ZK12+08656S-Ⅳc三台阶法YK11+837-YK11+84710S-Ⅲa台阶法ZK12+086-ZK12+11630S-Ⅳa、Ⅳ级加强三台阶法YK11+847-YK12+011164S-Ⅲa台阶法ZK12+116-ZK12+16650SJ-ⅣaCD法YK12+011-YK12+06150SJ-Ⅲa三台阶法ZK12+166-ZK12+435269S-Ⅳa三台阶法YK12+061-YK12+09130Ⅲ级加强台阶法ZK12+435-ZK12+589154S-Ⅳc三台阶法YK12+091-YK12+13140S-Ⅳc三台阶法ZK12+589-ZK12+695106S-Ⅳb三台阶法YK12+131-YK12+453322S-Ⅳa三台阶法ZK12+695-ZK12+72530S-Ⅳa、Ⅳ级加强三台阶法YK12+453-YK12+563110S-Ⅳc三台阶法ZK12+725-ZK12+77550SJ-ⅣaCD法YK12+563-YK12+62360S-Ⅳb三台阶法ZK12+775-ZK12+81540S-Vb双侧壁导坑法YK12+623-YK12+67350SJ-Ⅳa三台阶法ZK12+815-ZK12+88065S-Va双侧壁导坑法YK12+673-YK12+70330Ⅳ级加强三台阶法ZK12+880-ZK12+96080S-Vb双侧壁导坑法YK12+703-YK12+75047S-Ⅳa三台阶法ZK12+960-ZK13+00040S-Vc三台阶七步开挖法YK12+750-YK2+79040S-Vb双侧壁导坑法
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