Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Guiyang Yuan"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 5, Pp 2222-2230 (2024)
In response to the poor active support effect of the surface protection components in soft coal roadway and the continuous expansion of the broken range of local exposed surrounding rock, which leads to the failure of anchor rod and cables, a mesh gr
Externí odkaz:
https://doaj.org/article/2ddfdfbc06674eb5967dea90745f2d78
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 3, Pp 281-288 (2024)
This study explores the effects of dynamic and static loading on rock bolt performance a key factor in maintaining the structural safety of coal mine roadways susceptible to coal bursts. Employing a house-made load frame to simulate various failure s
Externí odkaz:
https://doaj.org/article/61dee9596b1a48168e1357366746d642
Publikováno v:
Meitan xuebao, Vol 48, Iss 5, Pp 1985-1995 (2023)
The loading mine stiffness and the post-peak stiffness of a coal pillar are important factors affecting the occurrence of coal bursts. In order to systematically study the mechanism of coal bursts and pillar bursts based on local mine stiffness theor
Externí odkaz:
https://doaj.org/article/5aa71439261a4743bd6cb9b7e7997b42
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 2, Pp 215-231 (2023)
Energy-absorbing rockbolts have been widely adopted in burst-prone excavation support, and their serviceability is closely related to the frequency and magnitude of seismic events. In this research, the split-tube drop test with varying impact energy
Externí odkaz:
https://doaj.org/article/a8f1b637ae7143f8bdaa0d17c40ade4b
Publikováno v:
Bulletin of Engineering Geology and the Environment. 81
Publikováno v:
Young Scientists Forum 2017.
We design an induction current acquisition device based on ARM in order to realize high resolution and high sampling rate of acquisition for the induction current in wire-loop. Considering its characteristics of fast attenuation and small signal ampl