Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Juyu Jiang"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-19 (2024)
Abstract To achieve an objective and reasonable judgment on slope stability, the partially ordered set (Poset) theory is applied to the slope stability evaluation against the engineering background of an open pit slope. From the four aspects of rock
Externí odkaz:
https://doaj.org/article/e3e93d88bcc84ab89f5e6dccb4084398
Publikováno v:
Zhongguo dizhi zaihai yu fangzhi xuebao, Vol 34, Iss 4, Pp 68-74 (2023)
In order to effectively enhance the stability of the slope within the soft base of the inner dump, this study focuses on the Baiyinhua No. 1 open-pit mine as the engineering background. Through direct shear tests, the shear mechanical characteristics
Externí odkaz:
https://doaj.org/article/95010bd2da1543ab8045436547090c21
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 5, Pp 53-62 (2023)
In view of the application of end slope shearer mining technology to recover a large amount of residual coal, the determination of reasonable width of supporting coal pillar is a key factor whether it can be safely and efficiently popularization and
Externí odkaz:
https://doaj.org/article/886dfcf06a7f468d89a2ce76c47bdef1
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract To safely and efficiently recover trapped coal under final endwalls in open cut mines, theoretical analysis and numerical calculation were used to study the stability of web pillar during auger mining. The partial ordered set (poset) evaluat
Externí odkaz:
https://doaj.org/article/8da4278ec0bf4a668965b5f47b02f1b9
Publikováno v:
International Journal of Coal Science & Technology, Vol 9, Iss 1, Pp 1-16 (2022)
Abstract When highwall mining technology is applied to recover large amounts of residual coal left under the highwall of a big open-pit mine, a reasonable coal pillar width is required to ensure the stability of the web pillars. Using numerical simul
Externí odkaz:
https://doaj.org/article/6245c4c1f08541c5820a924201abf2be
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-17 (2022)
Abstract Slope stability is a prominent problem for the efficient application and promotion of highwall mining technology, especially when mining residual coal under high and steep end-slope conditions. This study proposes the concept of target time
Externí odkaz:
https://doaj.org/article/790a53078870464e91e836f78222433d
Autor:
Juyu Jiang, Ye Lu, Lanzhu Cao, Dong Wang, Laigui Wang, Xinping Han, Huiwen Yang, Zhengzhao Jia
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Highwall mining with backfill technology will be one of the main techniques of raising the recovery rate of coal resources under the end-slope all over the world in the future, in which the coal pillar setting is the key to ensure the successful appl
Externí odkaz:
https://doaj.org/article/5723dc94b45349d796decc9cbfe6fac1
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
For a waste dump with soft foundation, the foundation bearing capacity has an important impact on slope stability. According to the load distribution and stress characteristics of a waste dump, combining the gravity load of the triangular slope of th
Externí odkaz:
https://doaj.org/article/4e96219b07054a8fb9b3c9ee362416d4
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
In an open-pit mine in Xinjiang, part of the stripped area is covered by burnt rock. Due to the low strength and fragility of burnt rock, dust is more easily generated during blasting. Taking the mining area as the research background, the mechanical
Externí odkaz:
https://doaj.org/article/3a36b08194d64c0d83a7c9b7086f098a
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
Aiming at the complex nonlinear relationship among factors affecting blasting fragmentation, the input weight and hidden layer threshold of ELM (extreme learning machine) were optimized by gray wolf optimizer (GWO) and the prediction model of GWO-ELM
Externí odkaz:
https://doaj.org/article/6b9bec3b5e9449b4bd273044d95281ee