Zobrazeno 1 - 10
of 5 737
pro vyhledávání: '"fracture zone"'
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 10, Pp 4070-4089 (2024)
Abstract In the study, a combined numerical simulation and on‐site monitoring method was used to analyze the asymmetric development characteristics of overlying rock fractures in a goaf under the condition of a goaf side entry formed by roof cuttin
Externí odkaz:
https://doaj.org/article/27ccb20e837f457e96db694fbb17f622
Publikováno v:
Petroleum Exploration and Development, Vol 51, Iss 5, Pp 1316-1326 (2024)
In response to the unclear understanding of fracture propagation and intersection interference in zipper fracturing under the factory development model of deep shale gas wells, a coupled hydro-mechanical model for zipper fracturing considering the in
Externí odkaz:
https://doaj.org/article/e8b0c50548f84cc98a110e03b9170df0
Publikováno v:
地震科学进展, Vol 54, Iss 9, Pp 559-569 (2024)
This paper describes a three-dimensional and comprehensive method for completing the northern extension of the Maoshan fracture zone from deep to shallow. Gravity field data interpretation and geomagnetic survey were used to initially locate the rupt
Externí odkaz:
https://doaj.org/article/28da927d9d324e89830f1ec8065f7996
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 18, Iss 1, Pp 1-10 (2024)
Abstract Fault fracture zones are rock formations commonly encountered in submarine tunnels, and the diffusion mechanism of slurry in fault fracture zones has a crucial impact on submarine tunnel reinforcement. Based on the seepage equation of Bingha
Externí odkaz:
https://doaj.org/article/7386a2342978436190f85a5a79fee060
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract The hydrogeological conditions of the Qianbei coalfield are complex, and karst water in the roof rock frequently disrupts mining operations, leading to frequent water inrush incidents. Taking the representative Longfeng Coal Mine as a case s
Externí odkaz:
https://doaj.org/article/9a1186850e0a420297fe67328f1cf58b
Publikováno v:
Meikuang Anquan, Vol 55, Iss 6, Pp 176-183 (2024)
The development height of water-conducting fracture zone(WCFZ) is an important parameter for water disaster treatment in coal mine roof. In this paper, the failure process of mining overlying rock is analyzed, and the rock instability failure in the
Externí odkaz:
https://doaj.org/article/29a9d624922a437eaea3064cb363014f
Publikováno v:
Journal of MMIJ, Vol 140, Iss 6, Pp 86-93 (2024)
The final slope of Une mine experienced sudden increases in displacement in specific sections during the typhoons of 2007 and 2011, as observed through long-term monitoring since the excavation from the top. The rise in groundwater due to increased r
Externí odkaz:
https://doaj.org/article/1a177b9100ef4e16a16e3c918f888568
Publikováno v:
地质科技通报, Vol 43, Iss 3, Pp 266-278 (2024)
Objective The resurrections of ancient landslide deposits are one of the primary geological hazards in the Qinghai-Tibet Plateau and surrounding areas of China and pose significant safety threats to major transportation and water conservancy projects
Externí odkaz:
https://doaj.org/article/bce191e005584c978d781fdc03dc406f
Publikováno v:
Meikuang Anquan, Vol 55, Iss 5, Pp 195-203 (2024)
In this paper, taking the mining of deep-buried water-covered coal seam in 4105 working face of Wenjiapo Coal Mine as an example, similar material simulation and numerical simulation methods are used to study the law of overburden failure and fractur
Externí odkaz:
https://doaj.org/article/2592c27cd3634ddeaa07f46500c41463
Publikováno v:
Meikuang Anquan, Vol 55, Iss 5, Pp 93-99 (2024)
The reasonable lap of high-level directional drilling holes in adjacent drilling sites is an important link to ensure the stable extraction effect and improve the effective utilization rate of drilling holes. According to the results of the research
Externí odkaz:
https://doaj.org/article/369556cf97354862bb1294c9a37bd679