Supported by National Natural Science Foundation of China (Grant No.51075147);National Hi-tech Research and Development Program of China (863 Program,Grant No.2012AA041803)
Wear is a major factor of disc cutters’ failure. No current theory offers a standard for the prediction of disc cutter wear yet. In the field the wear prediction method commonly used is based on the excavation length...
supported by the National Natural Science Foundation of China(51075147);863 Project(2012AA041803)
At present the mechanical model of the interac- tion between a disc cutter and rock mainly concerns indentation experiment, linear cutting experiment and tunnel boring machine (TBM) on-site data. This is not in line...
supported by National Natural Science Foundation of China (Grant No. 51075147)
At present, the inner cutters of a full face rock tunnel boring machine (TBM) and transition cutter edge angles are designed on the basis of indentation test or linear grooving test. The inner and outer edge angles of...
supported by the National Natural Science Foundation of China (51075147)
To study the rock deformation with three- dimensional model under rolling forces of disc cutter, by car- rying out the circular-grooving test with disc cutter rolling around on the rock, the rock mechanical behavior u...