Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Xianxi Bai"'
Autor:
Xiang MA, Xianxi BAI, Anye CAO, Haili ZENG, Rui HUANG, Debing ZHANG, Xufeng QIN, Runbing ZHANG
Publikováno v:
Meikuang Anquan, Vol 54, Iss 12, Pp 80-87 (2023)
There are several key layers with large thickness above the 402 working face of wide coal pillar in Hongqinghe Coal Mine. The existence of key layers will significantly increase the peak value of abutment pressure and its influence range. Based on th
Externí odkaz:
https://doaj.org/article/d9c8691356554412b3165eca8eb73fbf
Publikováno v:
Meitan xuebao, Vol 48, Iss 11, Pp 4024-4035 (2023)
In the Ordos mining area of North China, the Jurassic coal seam is commonly overlain by extremely thick cretaceous sandstone strata. Based on the seismic displacement field and relative moment tensor inversion method, this paper investigates the mine
Externí odkaz:
https://doaj.org/article/c2a143d7b7ec4c6698b7fb8e41dd77ec
Publikováno v:
Meitan xuebao, Vol 48, Iss 10, Pp 3659-3673 (2023)
Under the background of coal mine intelligent construction, how to efficiently extract adequate information from the massive monitoring data of coal burst and improve the accuracy of prediction and warning is the focus and difficulty of future resear
Externí odkaz:
https://doaj.org/article/7523ffacdea148c19c1e1701c5315197
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 14, Iss 1 (2023)
AbstractWith the increase of mining depth and mining intensity of the large inclined extra-thick coal seam (LIETCS), the number of rock bursts increases significantly. In this paper, based on a rock burst during upper roadway driving of the LIETCS, t
Externí odkaz:
https://doaj.org/article/fe5fb0588f654d49b20159eb8ed00709
Publikováno v:
Meitan xuebao, Vol 48, Iss 5, Pp 2065-2077 (2023)
Under the background of the rapid development of intelligent coal burst monitoring technology, how to use massive seismic monitoring information to investigate source rupture and apply it to the prediction, early warning, or prevention of coal burst
Externí odkaz:
https://doaj.org/article/265c0d0871f94f8298103778ac77c57a
Publikováno v:
Meitan xuebao, Vol 48, Iss 5, Pp 1894-1918 (2023)
With an increasing mining depth and intensity in Chinese coal mines, unprecedented frequency and intensity of mining tremors are attracting extensive attention from the government and society. Under the initiatives from the government and the intensi
Externí odkaz:
https://doaj.org/article/f301ca6903a04d71b28c0779e1894dd2
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 13, Iss 1, Pp 1805-1830 (2022)
The variation of hard roof thickness is an essential contributor in triggering rock bursts during longwall mining. Case analysis and numerical modeling were used to study the stress and energy characteristics of the coal and rock mass and its fractur
Externí odkaz:
https://doaj.org/article/ffb53488243644a9b515e15528c4cb2d
Publikováno v:
Applied Sciences, Vol 13, Iss 9, p 5364 (2023)
Strong mining tremors (SMTs) frequently occur in super-thick strata near the goaf when mining. Since 2021, there have been three consecutive SMTs with magnitude greater than 2.0 in longwall 1208 of the Shilawusu Coal Mine. These SMTs caused mine prod
Externí odkaz:
https://doaj.org/article/b0c15aff728746f5a9a6abb1faa40d9f
Publikováno v:
Minerals, Vol 11, Iss 12, p 1438 (2021)
With the increase in coal mining depth, engineering geological conditions and the stress environment become more complex. Many rock bursts triggered by two combined faults have been observed in China, but the mechanism is not understood clearly. The
Externí odkaz:
https://doaj.org/article/4a0bc90c5aab45508706e721c872a02e
Publikováno v:
Rock Mechanics and Rock Engineering. 53:5451-5471
Coal is the major energy resource in China, but the recovery of coal is constantly under the threat of rock bursts, which has been impeding safe and highly efficient coal production for decades. A better understanding of the rock burst mechanism and