During excavation of roadheader, specific energy (SE) is a key component of rock cuttability evaluation and cutting head design. Previous studies have shown that the specific energy is …
Conical picks are widely used as cutting tools in shearers and roadheaders, and the mean cutting force (MCF) is one of the important parameters affecting conical pick performance. As …
Z Liu, Y Liu, J Sun, J Yang, B Yang, D Li - Journal of Central South …, 2024 - Springer
Conical picks are important tools for rock mechanical excavation. Mean cutting force (MCF) of conical pick determines the suitability of the target rock for mechanical excavation …
M Zhou, Y Shan, Z Wu, W Zhao, L Yang, Y Lin - researchgate.net
The excessive displacement of an existing high-speed railway foundation due to the adjacent construction of a railway composite foundation significantly threatens the railway …