@article{WU Fan_33, author = {[WU Fan, ZHANG Yun-pei, KOU Jia-bing, LIU Li-peng, LI Peng-yu]}, title = {Method of Estimating Surrounding Rock Quality Based on Torque Penetration Index and Neural Network}, publisher = {Journal of Yangtze River Scientific Research Institute}, year = {2022}, journal = {Journal of Yangtze River Scientific Research Institute}, volume = {39}, number = {12}, eid = {33}, pages = {33-41}, keywords = {TBM;TPI;neural network;surrounding rock quality;Gini impurity}, doi = http://ckyyb.crsri.cn/EN/10.11988/ckyyb.20221039 }