Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Xiaochun Xiao"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Rock burst disasters severely restrict the safe and efficient mining of coal. The fundamental cause of their occurrence is the concentration of stress within the coal mass. Stress monitoring in coal seam drilling is widely used as an effecti
Externí odkaz:
https://doaj.org/article/5dd241d7630949f5acd865aba0442240
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract To gain insights into the spatial distribution of non-penetrating cracks during the rock fracture process, a comprehensive uniaxial compression test is conducted on cubic gypsum specimens (100 mm × 100 mm × 100 mm) containing two non-penet
Externí odkaz:
https://doaj.org/article/5ded9f2a7d4440109ce29abb1388424f
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 7, Pp 2992-3007 (2024)
Abstract The injection of supercritical CO2 (ScCO2) into the enhanced geothermal systems (EGS) is a highly intricate thermohydromechanical (THM) coupled process. To improve the realism and accuracy of simulating convective heat transfer characteristi
Externí odkaz:
https://doaj.org/article/766677d23fbe4b68aec703f5960433a7
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 2, Pp 197-210 (2024)
The damage evolution process of non-penetrating cracks often causes some unexpected engineering disasters. Gypsum specimens containing non-penetrating crack(s) are used to study the damage evolution and characteristics under cyclic loading. The resul
Externí odkaz:
https://doaj.org/article/ba3690a91c8b4081879e801c840025ca
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 11, Pp 71-83 (2023)
For the rock burst disaster problems caused by unloading disturbance of deep roadway excavation, the study on the deformation and fracture mechanism of roadway surrounding rock under different unloading conditions was carried out. Taking the coal-roc
Externí odkaz:
https://doaj.org/article/949ec9aea43f495fb1c272cb6bf77514
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 10, Pp 302-311 (2023)
Aiming at the insufficient anti-impact performance of existing components of the energy-absorbing anti-impact support, a foam aluminum filled multicellular square tube structure is proposed. According to the axial energy absorption theory of thin-wal
Externí odkaz:
https://doaj.org/article/f634e3c839b14a4a85dd4668d23f73ea
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-17 (2023)
Abstract To comprehensively understand the mechanical response of a rock-coal combination structure containing a weak layer, a series of laboratory static loading and impact loading experiments were conducted. The results showed that under static loa
Externí odkaz:
https://doaj.org/article/1067f9c13e174cf1aa6036dcd4731be2
Publikováno v:
Meitan xuebao, Vol 48, Iss 5, Pp 2194-2206 (2023)
The roadway in front of newly excavated unsupported areas or mine working face is more susceptible to mining disturbance, and shows the typical stress characteristics that the load increases sharply in the vertical direction and decreases rapidly in
Externí odkaz:
https://doaj.org/article/13b0a93565204e29a68bf898172ecc57
Publikováno v:
Meitan xuebao, Vol 48, Iss 4, Pp 1487-1501 (2023)
The uniaxial compression test of coal and rock combination was carried out in order to clarify the influence mechanism of the contact surface mechanical properties on the rock-burst tendency of the coal rock combination, and the contact surfaces with
Externí odkaz:
https://doaj.org/article/59da241f83f94a659366267e27875f1a
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-16 (2023)
Abstract Permeability is a critical parameter of tight reservoir rocks and one of the important parameters for characterizing fluid flow and production from reservoirs. It determines the feasibility of its commercial development. SC-CO2 has been used
Externí odkaz:
https://doaj.org/article/c32ae6a21a404302961f48bff6160de6