1. Hu Qian. Feasibility analysis of shield driving method used in interzone tunnel in Chengdu metro[D] Southwest Jiaotong University Chengdu 2006.
2. Wang Shuhua. EPB TBM adaptable for sand and cobble stratum in chengdu city[J]. Modern tunneling technology 2009 46(1): 73-77.
3. Zhang Zhaohuang. Full face TBM and the broken rock theory by its cutter[M]. China railway publishing house Beijing 2003.
4. Huang Xujiu. Discussion on ShieldMachine Development[J]. Equipment Manufacturing Technology 2006 34(2): 3-7.