Zobrazeno 1 - 10
of 950
pro vyhledávání: '"roadways"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 9, Pp 4019-4026 (2024)
Based on the insufficient intelligent perception capability of coal mine heading face in China, this paper proposes a three-dimensional spatial mapping method of coal mine roadways based on multi-sensor fusion. This method utilizes 3D sensors such as
Externí odkaz:
https://doaj.org/article/166d0585124643278e4728d5f7a87809
Publikováno v:
Underground Space, Vol 20, Iss , Pp 119-139 (2025)
The abandoned roadways (ARs) in front of the longwall face catastrophic instability will seriously hamper mining progress, which is a complicated process related to the stress environment, the roadway section, and the mechanical properties of the sur
Externí odkaz:
https://doaj.org/article/7a692eddb54444a8bbd9e42a25b4936a
Publikováno v:
Meitan xuebao, Vol 49, Iss 8, Pp 3335-3352 (2024)
In Shendong mining area, there may be several abandoned roadways ahead of some mining faces due to the adjustment of the face layout. In order to avoid roof accidents when the mining face crossing abandoned roadways, the occurrence conditions of mini
Externí odkaz:
https://doaj.org/article/7b39c4c7fdd84e1fac3b0e60d3c1a9aa
Publikováno v:
Heliyon, Vol 10, Iss 11, Pp e32200- (2024)
Aiming at the difficult problems of the large deformation in weakly cemented soft rock roadways, the reasons of large deformation are analyzed for roadways in Hongqingliang coal mine. On this basis, the principle of step by step combined support tech
Externí odkaz:
https://doaj.org/article/f36cd8b3de304b5dbdb679cfd6f9efa5
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 2, Pp 18-27 (2024)
In the process of path planning for tracked directional drilling rigs in coal mines, there are constraints on the body volume and the demand for driving efficiency in actual scenarios. However, the commonly used A* algorithm has slow search speed, mu
Externí odkaz:
https://doaj.org/article/935ea287dcb7482883d72ded8b669d64