1. Fargnoli V, Boldini D, Amorosi A (2013) TBM tunnelling-induced settlements in coarse-grained soils: the case of the new Milan underground line 5. Tunn Undergr Space Technol 38:336–347. doi: 10.1016/j.tust.2013.07.015
2. Guangzhou Metro Design & Research Institute Co., Ltd (GMDRI) (2010) General technical requirement of karst treatment in Guangzhou Metro Line 9 (Trial) (in Chinese)
3. Gui L (2008) Engineering technique for shield tunnel in karst region of Guangzhou Metro Line 5. J Guilin Univ Technol 28(3):324–329 (in Chinese)
4. Ju SJ, Zhu WB (2007) Study on geological investigation methods for shield tunneling in mixed ground. Tunn Constr 27(6):10–14 (in Chinese)
5. Li LP (2009) Study on catastrophe evolution mechanism of karst water Inrush, PhD Thesis. Shandong University, Jinan, Shandong (in Chinese)