Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Houqiang Yang"'
Autor:
Houqiang Yang, Changliang Han, Nong Zhang, Xudong Li, Yitao Liu, Wentao Liu, Kai Song, Yuxin Guo, Wei Yao
Publikováno v:
Geofluids, Vol 2022 (2022)
The gob-side roadway technology is widely used in coal mining in China, as it can improves the recovery rate of coal resources and alleviate the shortage of mining replacement. However, it is still difficult to control the stability of surrounding ro
Externí odkaz:
https://doaj.org/article/e5613f96b8504a6f99504a2cc7912950
Publikováno v:
Energies, Vol 16, Iss 5, p 2160 (2023)
After deep mining, the discontinuous deformation characteristics of roadway roofs become more and more obvious, resulting in the emergence of separation fractures in the rock mass, which seriously affects the stability of the roof rock mass. By takin
Externí odkaz:
https://doaj.org/article/0e76b38be9584fdebe137c7958491244
Publikováno v:
Energies, Vol 15, Iss 12, p 4349 (2022)
For deep-buried thick top-coal roadways under high stress, there exists great difficulty in controlling the stability of the surrounding rock as well as in the necessity for low driving speeds. Taking the return air roadway 20201 (RAR 20201) of the D
Externí odkaz:
https://doaj.org/article/29b93ffc1b454f5ea182060bed97e771
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 10744 (2021)
The gob-side roadway in an isolated island working face is a typical representative of a strong mining roadway, which seriously restricts the efficient and safe production of underground coal mines. With the engineering background of the main transpo
Externí odkaz:
https://doaj.org/article/365ebe9b35cf4e5cbdfa002d227ff15b
Publikováno v:
Applied Sciences, Vol 10, Iss 1, p 342 (2020)
Due to the impossibility of obtaining intact standard experimental samples, it is difficult to test the mechanical properties of soft and broken coal and rock obtained from deep coal mines. So, an advanced experimental technology based on a small sam
Externí odkaz:
https://doaj.org/article/9b55a346eb2741c9be9c5ff6d6623ab5
Autor:
Houqiang Yang
Publikováno v:
Geotechnical and Geological Engineering. 40:4083-4094
Publikováno v:
Geotechnical and Geological Engineering. 40:1417-1428
Gob-side roadway excavating could not only notably reduce the loss of coal resources and improve the coal recovery rates, but also greatly mitigate the imbalance between excavation speed and production needs. However, it is difficult to determine the
Autor:
Houqiang Yang, Elena Soboleva
Publikováno v:
Georesursy, Vol 23, Iss 2, Pp 110-119 (2021)
Within the eastern part of the Fukang depression, the main productive series are confined to the Permian and Jurassic oil and gas complexes (OGC), in which the Middle Permian and Lower-Middle Jurassic oil and gas source rocks (OGSRs) are distinguishe
Publikováno v:
Geotechnical and Geological Engineering. 39:2259-2268
The stability of mining roadways is pivotal to safe mining in deep underground coal mines. In order to control the stability of mining roadways in deep mines, this paper studies the cooperative control effect of pressure relief and long bolt support
Publikováno v:
Geotechnical and Geological Engineering. 39:145-155
In view of asymmetric deformation of a roadway in structural complex area, in situ investigation, theoretical analysis, numerical simulation and industrial test were carried out to deeply research the mechanism of asymmetric deformation and control m