Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Shuaifeng Lu"'
Publikováno v:
Shock and Vibration, Vol 2021 (2021)
In order to evaluate the coal pillar stability in recovery of residual room pillars under different mining rates, this paper studies the influence of loading rate on the mechanical properties of the coal body. The uniaxial compression tests of coal s
Externí odkaz:
https://doaj.org/article/fd50267c344548bda2fbcf9823dc82e7
Publikováno v:
Geofluids, Vol 2021 (2021)
Cutting force is the key signal to realize intelligent control of shearer and mastering the change process of cutting force is helpful to improve the adaptive cutting of shearer. In this paper, full scale rock cutting tests are used to carry out sing
Externí odkaz:
https://doaj.org/article/10ae47f7058d40dcb59eb986f6ca1d07
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
The stability of coal wall in deep longwall face has always been a research hotspot. In this study, pure vibration signals in the coal wall during the operation of mining machinery were obtained for the first time, and their energy is mainly concentr
Externí odkaz:
https://doaj.org/article/420f1187371b44c08e90b57e2b891fbb
Publikováno v:
Geofluids, Vol 2021 (2021)
Cutting force is the key signal to realize intelligent control of shearer and mastering the change process of cutting force is helpful to improve the adaptive cutting of shearer. In this paper, full scale rock cutting tests are used to carry out sing
Publikováno v:
Advances in Materials Science and Engineering, Vol 2019 (2019)
The fatigue damage of rock is an important factor affecting the stability of rock structure. In this paper, the mechanical response of coal under cyclic loading was studied. In order to accurately describe the deformation characteristics of coal unde
Publikováno v:
Shock and Vibration, Vol 2021 (2021)
In order to evaluate the coal pillar stability in recovery of residual room pillars under different mining rates, this paper studies the influence of loading rate on the mechanical properties of the coal body. The uniaxial compression tests of coal s
Publikováno v:
Royal Society Open Science
Royal Society Open Science, Vol 6, Iss 5 (2019)
Royal Society Open Science, Vol 6, Iss 5 (2019)
Rock damage is one of the key factors in the design and model choice of mining machinery. In this paper, the influence of rock damage on rock fragmentation and cutting performance was studied using PFC 2D . In PFC 2D software, it is feasible to get r
Publikováno v:
Measurement. 158:107713
In order to master the instability mechanism of coal pillar, the method of coal pillar fracture digitization was improved, and the “basic measurement scale-borehole comprehensive parameter method” which can realize the evaluation of a complex fra
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
The stability of coal wall in deep longwall face has always been a research hotspot. In this study, pure vibration signals in the coal wall during the operation of mining machinery were obtained for the first time, and their energy is mainly concentr
Publikováno v:
Measurement. 149:107034
To avoid the gas ignition danger caused by the friction between pick and rock, a pick temperature-measuring system was developed to obtain the actual temperature at the tip of cutting head. A mine temperature-measuring pick based on PT100 was develop