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Abstract: Previously, mining method is usually used to construct mountain tunnel in loess strata, and shield method has no precedent. Baicheng tunnel of Menghua railway is a mountain tunnel located in loess area. Through contrastive analysis, the proposal of using a large section horseshoe-shaped EPB-TBM with multi-cutterhead to construct Baicheng tunnel was adopted. Afterwards, the TBM was developed by...