1. Zhu WB, Ju SJ. Mix ground and shield tunneling technology in Guangzhou. In: Proceedings of 2005 Shanghai international forum on tunnelling, Shanghai; 2005. p. 165–73.
2. The significance of mixed-face conditions for TBM performance;Steingrimsson;World Tunnell,2002
3. Büchi ET. New TBM generation with 20’ cutters: tunnelling experience at Klippen Hydropower Sweden. In: TBM symposium 1992, Stockholm; 1992.
4. Blindheim OT, Grøv E, Nilsen B. The effect of mixed face conditions (MFC) on hard rock TBM performance. In: Proceedings of the 28rd ITA-AITES world tunnel congress “Downunder 2002”, Sydney; 2002. p. 887–93.
5. Performance of EPB-TBM in mixed face conditions: city of Edmonton south LRT extension;Bosse,2005