Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Xiangye WU"'
Autor:
Yujiang ZHANG, Wushuai HAO, Guorui FENG, Bingyuan CUI, Qian WANG, Yining WANG, Defu ZHU, Honghui YUAN, Xiangye WU
Publikováno v:
Meitan xuebao, Vol 49, Iss 5, Pp 2257-2269 (2024)
The borehole shear test is an important method to quickly measure the shear strength of rock in the field, but its application is limited due to its large measurement error. By analyzing the principle of borehole shear and the research results, it is
Externí odkaz:
https://doaj.org/article/ca876664aad946bf8d99d419ee74baf5
Publikováno v:
Buildings, Vol 14, Iss 5, p 1264 (2024)
In order to investigate freeze–thawed red sandstone failure processes under cyclic loading and unloading conditions, real-time acoustic emission (AE) and scanning electron microscopy (SEM) techniques were used to reveal the fracture process of the
Externí odkaz:
https://doaj.org/article/7041c5f9b3b440dbbef9fe2613ba900b
Publikováno v:
Energy Exploration & Exploitation, Vol 41 (2023)
In order to obtain lower coal seam mining of roof breaking characteristic and the law of mine pressure appearance in the close distance coal seams, this paper takes working face 6101 of a mine as the engineering background, and studies the roof break
Externí odkaz:
https://doaj.org/article/ac87974b66a146079f90b9efa3e6181b
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract This paper analyzes the instability movement characteristics of overburden in shallow thick coal seam mining and its influence on the development and distribution of fault fractures. The similarity simulation experiment and theoretical analy
Externí odkaz:
https://doaj.org/article/a74b86c3672f4e3bab1887fb883822e5
Publikováno v:
Mediators of Inflammation, Vol 2022 (2022)
Background. Melanomas, the most common human malignancy, are primarily diagnosed visually, beginning with an initial clinical screening and followed potentially by dermoscopic analysis, a biopsy, and histopathological examination. We aimed to systema
Externí odkaz:
https://doaj.org/article/e56eb03159f84f5fb3a3886a6ae5b53f
Publikováno v:
PLoS ONE, Vol 17, Iss 9 (2022)
The problems of water scarcity and ecological fragility are common in the loess gully area. To research the distribution and evolution of the overburden fissures and quantitatively analyze them have certain theoretical and engineering significance fo
Externí odkaz:
https://doaj.org/article/67362ec07986474a912172292718ff95
Publikováno v:
International Journal of Mining Science and Technology, Vol 29, Iss 2, Pp 263-272 (2019)
In the non-uniform stress field, the surrounding rock plastic zone of the circular roadway shows different shapes under the different confining pressure conditions. Based on the boundary shape characteristics of the plastic zone, the characteristic r
Externí odkaz:
https://doaj.org/article/dbfa8db985e64794988b459641da6eb4
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
This study proposes a novel approach to study the mechanism of mining and dynamic changes in surface subsidence and geological hazard-prone regions caused by shallow, thick coal seam mining in gully areas. This approach combines field observation, th
Externí odkaz:
https://doaj.org/article/17ca61682b4b4789a649a4f22e92f7da
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
Based on the hydrostatic pressure theory of initial stress state of rock mass, combined with Saint-Venant’s principle central idea, the principle of invariant stress of surrounding rock mass of the hole under the condition of equal pressure in deep
Externí odkaz:
https://doaj.org/article/1118a21b959140e58f2ad7f9030b6476
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
China is one of the leading countries in the mining and utilization of coal resources, and the problems of coal-mining technology and safety have been concerned by the world, while the serious deformation and destruction of surrounding rock and the d
Externí odkaz:
https://doaj.org/article/202f20eb9d37483894fccb99fa02dba4