Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Coal and rock mass"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 6, Pp 67-80 (2024)
In order to explore the energy evolution law and damage evolution characteristics of coal and rock mass in the process of deformation and failure under different water content, the uniaxial compression test of coal and rock mass in Shuangma No.1 Coal
Externí odkaz:
https://doaj.org/article/9e82345598c546289e84d664f0bcb29e
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-24 (2024)
Abstract The stability of coal and rock masses in water-rich mines is affected by both mine water erosion and dynamic disturbances. Thus, it is necessary to study the dynamic mechanical response and failure characteristics of coal and rock under the
Externí odkaz:
https://doaj.org/article/72a8f559ce1244c4ae20cd834cf08980
Publikováno v:
Meikuang Anquan, Vol 54, Iss 11, Pp 92-98 (2023)
In order to guide the geophysical exploration technology of coal field fire area, judge the development stage of coal fire, accurately identify the boundary of hidden fire area, carry out targeted high-temperature electrical property research of coal
Externí odkaz:
https://doaj.org/article/de9e05af4927499e8771ca9ea5d0f8d1
Autor:
Xuefeng XU, Pengke SHI
Publikováno v:
Meikuang Anquan, Vol 54, Iss 10, Pp 100-106 (2023)
Aiming at the problems of hole spacing and blasting scheme selection in coal rock loosening blasting construction, the distance between the holes in the fracture zone of the double hole blasting is calculated based on rock dynamics and blasting theor
Externí odkaz:
https://doaj.org/article/aa37c10f60d740ffa3f7b40491a83638
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 10, Pp 1273-1288 (2023)
The interaction mechanism between coal and rock masses with supporting materials is significant in roadway control, especially in deep underground mining situations where dynamic hazards frequently happened due to high geo-stress and strong disturbed
Externí odkaz:
https://doaj.org/article/161bc8987c944c46b2fcd28a84572fb6
Publikováno v:
矿业科学学报, Vol 8, Iss 4, Pp 464-473 (2023)
Research on the dissolution effect and the water purification mechanism of fractured coal and rock mass in the goaf area of underground reservoir is the key to realizing the safe and efficient operation of underground reservoir in mine.This paper tak
Externí odkaz:
https://doaj.org/article/eea1d78dbcd44a33b5d24ffed7b56490
Autor:
CHENG Lixing
Publikováno v:
Meikuang Anquan, Vol 54, Iss 7, Pp 196-204 (2023)
Aiming at the technical problems of poor anchoring performance and low anchoring force of soft coal and rock mass, the method of inverted wedge reaming at the bottom of anchor hole is proposed to improve the anchoring force. The mechanical characteri
Externí odkaz:
https://doaj.org/article/38bb4149de704553a7b0c7a05a8009d3
Autor:
Hao, Yang a, b, c, ⁎, Liu, Chunhui b, Wu, Yu a, b, Pu, Hai a, b, Chen, Yanlong a, b, Shen, Lingling c, Li, Guichen c
Publikováno v:
In International Journal of Mining Science and Technology October 2023 33(10):1273-1288
Autor:
Larisa Nazarova, Leonid Nazarov
Publikováno v:
Fracture and Structural Integrity, Vol 17, Iss 63, Pp 13-25 (2023)
Within the framework of a geomechanical model that describes deformation of rock mass during extraction of subhorizontal coal beds, the outburst hazard mechanism is substantiated: the approach of a working face to a weak zone at the coal-bed�host r
Externí odkaz:
https://doaj.org/article/49e4d8c7cba640f192e98bbef8d4c989