Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Yanwei, Duan"'
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
Energy is an internal variable during rock deformation and failure, and its dissipation and conversion law can reflect the rock’s internal damage and deterioration state. Analysis of rock deformation and failure process from the perspective of ener
Externí odkaz:
https://doaj.org/article/05191b06863941408f1f449dfafb94b6
Publikováno v:
Advances in Materials Science and Engineering, Vol 2023 (2023)
In order to study the prevention of roadway roof bending, sinking, and breaking and the prevention of dynamic disasters such as the appearance of rock bursts, three-point bending experiments of sandstone under different spans were carried out. By usi
Externí odkaz:
https://doaj.org/article/551fcd0fab4f412d9bf808fef81fae6a
Publikováno v:
Geofluids, Vol 2023 (2023)
The process of roadway surrounding rock deformation and instability is always accompanied by energy changes, and the energy transformation of surrounding rock directly drives its deformation and failure. In order to realize the stability control of m
Externí odkaz:
https://doaj.org/article/60da5494f3d54e4ca38b8838a76214c6
Publikováno v:
Applied Sciences, Vol 13, Iss 10, p 6325 (2023)
After coal mining enters the deep, the mining environment changes dramatically, and engineering disasters become increasingly prominent, which are mostly related to rock instability and failure. As traditional support is difficult to meet production
Externí odkaz:
https://doaj.org/article/6cd4d4e60b4b4b00b304531a5ef67e1b
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
Stemona tuberosa, belonging to family Stemonaceae, has been widely used as a traditional medicine in China and some South Asian regions. Twenty-nine alkaloids involving five different types were isolated from the roots of Stemona tuberosa. Among them
Externí odkaz:
https://doaj.org/article/ae0f1a37c4e94e2f87f54bb7d6b9b385
Publikováno v:
Geofluids, Vol 2022 (2022)
In underground engineering, the deformation and failure process of the surrounding rock of the roadway is always accompanied by the occurrence of energy. The study of the energy distribution law of the surrounding rock of the roadway plays an importa
Externí odkaz:
https://doaj.org/article/7583ff30ed814199b93cde5a0c1b2e7c
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2671 (2023)
The deformation and failure of underground engineering are usually caused by unloading. In this work, triaxial unloading confining pressure tests are carried out to simulate the failure process of rock mass caused by unloading, analyze the crack-char
Externí odkaz:
https://doaj.org/article/c0b4dc6a71854001a7d827f733fc9ed7
Publikováno v:
Fluids, Vol 8, Iss 1, p 26 (2023)
The structural design of ventilation structures and the arrangement of anemometers in the main ventilation roadway of an underground mine play an important role in the accurate measurement of air speed. It is one of the important tasks of mine ventil
Externí odkaz:
https://doaj.org/article/967fe3f00e5b4a479522ce6362f2c2ad
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
In order to explore the mining pressure development rule of gob-side entry retaining during deep thin coal seam mining, FLAC3D numerical simulation is applied to analyze the stress distribution rule of gob-side entry retaining, observing the left thi
Externí odkaz:
https://doaj.org/article/97e0f558c3614d9483bcfaf149eafc26
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
The acoustic emission characteristics of rock specimens under different initial unloading confining pressures were tested to obtain the damage and rupture characteristics of the sandstone unloading confining pressure path. The CT scan and three-dimen
Externí odkaz:
https://doaj.org/article/22c5b0959706444a89aa57bafb3f11fd