1. Malmgren L, Nordlund E, Rolund S (2005) Adhesion strength and shrinkage of shotcrete. Tunn Undergr Sp Technol 20(1):33–48
2. Conn A (2009) Chunnel repairs call on Conjet hydrodemolition robots. Min Eng 61(6, 37)
3. Sitek L et al (2013) Effects of water jet on heat-affected concretes. Procedia Eng 57:1036–1044
4. Poeck EC “A performance evaluation of various nozzle designs for waterjet scaling in underground excavations,” M.S. thesis, Colorado School of Mines, Golden, CO, 2008
5. Miller H, Steele J, Asbury B, Charrier E, Bourgeois J (2020) “The characterization of delamination processes with respect to waterjet shotcrete removal during tunnel liner repair and maintenance,” presented at Tunneling Fundamentals, Practice and Innovations Annual Short Course, Golden, CO