As I am here, my 5 cents; This is not a most recent paper but a fine one.

Analysis and Estimation of Gripper TBM performances in highly fractured and faulted rocks

 E. Paltrinieri, F. Sandrone, J. Zhao

The whole paper is available to read at:

https://www.scribd.com/document/511677561/Analysis-and-Estimation-of-Gripper-Tbm