Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Jinfu Lou"'
Autor:
Fuqiang GAO, Zhiguo LU, Xiangyuan PENG, Jinfu LOU, Shuwen CAO, Xiaoqing WANG, Chuang LU, Lei YANG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 9, Pp 125-136 (2024)
The frequent occurrence of coal burst seriously threatens the safe and efficient recovery of coal resources. The research on the mechanism of coal burst is the basis of prediction and disaster prevention. Aiming at the coal burst event under the cond
Externí odkaz:
https://doaj.org/article/30fecf5ed0094c339cfb3c036572129a
Autor:
Hongpu KANG, Fuqiang GAO, Xiaoqing WANG, Jianbiao BAI, Qi WANG, Chong ZHANG, Xiangyu WANG, Lei YANG, Jinfu LOU, Yanhui LI, Xuening WANG, Guiyang YUAN
Publikováno v:
Meitan xuebao, Vol 49, Iss 9, Pp 3701-3710 (2024)
Fault-slip rockbursts are a major type of rockbursts in coal mine roadways, posing great hazards. Currently, there is a lack of systematic research on the entire process of fault-slip rockbursts, and prediction and prevention remain fundamental chall
Externí odkaz:
https://doaj.org/article/2321b71e1503479bb624964accc4b43f
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:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 4, Pp 911-925 (2023)
Rock mass is a fractured porous medium usually subjected to complex geostress and fluid pressure simultaneously. Moreover, the properties of rock mass change in time and space due to mining-induced fractures. Therefore, it is always challenging to ac
Externí odkaz:
https://doaj.org/article/c5a88af06df3436389dadb32b341e90e
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
Autor:
Shan Ning, Weibing Zhu, Jianlin Xie, Shikang Song, Xiaozhen Wang, Dan Yu, Jinfu Lou, Jialin Xu
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-17 (2022)
Abstract This paper analyzes the influence of the overlying extremely thick primary key stratum on the strong mine pressure hazard at the large mining face in Gaojiapu coal mine. The analysis of the distribution characteristics of the primary key str
Externí odkaz:
https://doaj.org/article/602ce02da4764a13ad87ab0038467eca
Publikováno v:
International Journal of Coal Science & Technology, Vol 9, Iss 1, Pp 1-16 (2022)
Abstract Hydraulic support is the primary equipment used for surrounding rock control at fully mechanized mining faces. The load, location, and attitude of the hydraulic support are important sets of basis data to predict roof disasters. This paper s
Externí odkaz:
https://doaj.org/article/901f85b030884999beed06ffc9d70fa3
Publikováno v:
Minerals, Vol 12, Iss 10, p 1285 (2022)
Affected by coal mining activities, the remaining coal pillars are very likely to be destabilized and cause safety accidents. The backfilling of the remaining goaf can maintain the stability of the coal pillar well, but the coal pillar in the unfille
Externí odkaz:
https://doaj.org/article/5814462ee107422bb5d25174669076a1
Publikováno v:
Energies, Vol 14, Iss 17, p 5221 (2021)
Numerous room-and-pillar mining goaf are apparent in western China due to increasing small coal mining activities, which causes the collapse of the overlying coal pillars and the occurrence of strong ground pressure on the longwall face and surface s
Externí odkaz:
https://doaj.org/article/81a998fa01574a0f8fb6268382d8c617