Project(51475478)supported by the National Natural Science Foundation of China;Project(2012AA041801)supported by the National High Technology Research and Development Program of China;Project(2014FJ1002)supported by the Science and Technology Major Project of Hunan Province,China;Project(2013CB035401)supported by the National Basic Research Program of China。
The layout of the buckets for tunnel boring machine(TBM)directly affects the muck removal efficiency of cutterhead during excavation.In order to improve the muck removal performance for TBM,the optimal design of bucke...
Supported by National Key R&D Program of China(Grant No.2017YFB1302603);National Natural Science Foundation of China(Grant No.51905550);National Basic Research Program of China(Grant No.2013CB035401);China Postdoctoral Science Foundation(Grant No.2019M652795)
The cutterhead of a full-face rock tunnel boring machine(TBM)is constantly subjected to varying impact and dynamic loads during tunneling processes,resulting in relatively large vibrations that could easily lead to fa...
Project(51475478)supported by the National Natural Science Foundation of China;Project(2013CB035401)supported by the National Basic Research Program of China
The construction efficiency and quality of tunnel boring machines(TBMs)is largely determined by the service life of cutting tools,which is the result of contact loads in the crushed zone between cutter ring and rock.I...
Project(2013CB035401)supported by the National Basic Research Program of China;Project(2012AA041803)supported by the National High-Technology Research and Development Program of China;Project(51475478)supported by the National Natural Science Foundation of China;Project(2015GK1029)supported by the Science and Technology Project of Strategic Emerging Industry in Hunan Province,China;Project(CX2017B048)supported by the Hunan Provincial Innovation Foundation For Postgraduate,China
To study the rock breaking method under the free surface induced by disc cutter,the rock breaking simulations were first conducted based on the discrete element method,and the dynamic process of rock breaking under th...