Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Jun Hua Xue"'
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
In view of the damage of dynamic stress to the rock surrounding a mine roadway during coal mining, based on the actual geological conditions of Zhuji mine in Huainan, China, a UDEC model was established to study the influences of the thickness and st
Externí odkaz:
https://doaj.org/article/197cc55286db4d548527762c58d37673
Autor:
Chao Zhang, Ren-hui Cheng, Chao Liu, Jun-hua Xue, Hua Liu, Gao-han Jin, Jie Chang, Jing Yan, Xiang-zhen Zeng, Xing-long Wang
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
To solve the problem of unstable sealing in the sealing section of a gassy, soft coal seam, a seal reinforcement material for gas extraction boreholes was developed, which was mainly made of ordinary Portland cement and blended with additives such as
Externí odkaz:
https://doaj.org/article/cb2c2b2047e14e669a944bbd76a38a00
Publikováno v:
Shock and Vibration, Vol 2015 (2015)
Using UDEC discrete element numerical simulation software and a cosine wave as vibration source, the whole process of rockburst failure and the propagation and attenuation characteristics of shock wave in coal-rock medium were investigated in detail
Externí odkaz:
https://doaj.org/article/0de2398a22cf402b9f6ee87f1930784f
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences. 76:18-32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1872da4fb0af38802ef67b1a594e2978
https://doi.org/10.1016/j.ijrmms.2015.02.005
https://doi.org/10.1016/j.ijrmms.2015.02.005
Publikováno v:
Natural Hazards. 73:1715-1731
It has a significant and practical meaning for warning precisely gas outburst to reveal microseismic (MS) and acoustic emission (AE) effect of gas outburst precursor. It was thoroughly investigated and discussed on MS and AE effect on an abnormal gas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c54c966a725fa8fcf7d0b508c894b7f
https://doi.org/10.1007/s11069-014-1167-7
https://doi.org/10.1007/s11069-014-1167-7
Publikováno v:
Journal of Testing & Evaluation; Mar2020, Vol. 48 Issue 2, p1452-1477, 25p
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences. 64:6-16
Strong rockburst disaster in deep coal mines is easily triggered by the higher static stress of mining coal seam and the dynamic stress wave disturbance generated by hard and thick roof fall. Revealing the frequency-spectrum evolutionary rule of micr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04997f3e8142defdd968be51b9086160
https://doi.org/10.1016/j.ijrmms.2013.08.022
https://doi.org/10.1016/j.ijrmms.2013.08.022
Autor:
Jun Hua Xue, Lan Yun Wang, Tao Xie, Chuan Li, Zhen Gang Zhao, Cheng Jun Zhao, Zhao Yang, Min Ji Wang, Ying Na Li, Yan Sian
Publikováno v:
Advanced Materials Research. :565-569
The air cooler reduce the working temperature of the transformer, high temperature will reduce the transformers life, and even make insulation overheating, aging, then the transformer will be damaged. The air cooler which is forced oil circulation in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dd23db3ed395d873be2eb5500fc16c3
https://doi.org/10.4028/www.scientific.net/amr.798-799.565
https://doi.org/10.4028/www.scientific.net/amr.798-799.565
Publikováno v:
Advanced Materials Research. 709:365-369
Power transmission tower is an important part of power transmission equipment. The tower foundation is suffered by landslides, debris flows, erections of foundation settlement and so on. The power transmission tower near Yanjin transformer substation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7801d106b92c52e7b35bec14894df130
https://doi.org/10.4028/www.scientific.net/amr.709.365
https://doi.org/10.4028/www.scientific.net/amr.709.365
Autor:
Sheng Xue, Jun Hua Xue
Publikováno v:
Advanced Materials Research. :613-617
To address the issue of high gas emissions in mining gassy coal seams in underground coal mines, the concept of a three-entry panel layout with a retained goaf-edge gateroad and a “Y” type ventilation system is introduced in this paper. With the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56a85c88264b6d5d77a6afedb281d255
https://doi.org/10.4028/www.scientific.net/amr.524-527.613
https://doi.org/10.4028/www.scientific.net/amr.524-527.613