Zobrazeno 1 - 10
of 979
pro vyhledávání: '"He Manchao"'
Autor:
Tian Zhaoyang, Jia Yonggang, Zhu Chaoqi, Lu Longyu, Guo Xu, Feng Xuezhi, Wang Hui, Wang Hongwei, He Manchao, Peng Jianbing
Publikováno v:
中国工程科学, Vol 25, Iss 3, Pp 131-140 (2023)
Seabed fluid migration is a critical process that involves the transport and movement of liquids, gases, and seawater within and outside the seabed, which has significant impacts on the genesis, development, and evolution of seabed geological disaste
Externí odkaz:
https://doaj.org/article/f1bf361398cc4ddfafa4ffe2422f0811
Publikováno v:
矿业科学学报, Vol 8, Iss 1, Pp 50-65 (2023)
Deep coal resources are the crucial backup for China's energy security in the future. However, large deformation and instability of rock mass in deep roadway engineering still poses serious problems in the deep "three high and one complex" geomechani
Externí odkaz:
https://doaj.org/article/8b68e6b4d40c410faf1e52ddd06724d5
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 1, Pp 19-30 (2023)
Coal is the principal energy of China, and the coal industry is an important basic industry related to the energy security. For a long time, the underground coal resources mining in China has always been based on the longwall 121 mining method. This
Externí odkaz:
https://doaj.org/article/66adb1284772496e8c1d7974e58b909f
Autor:
Jiang Bei, Wang Qi, Wei Huayong, Xin Zhongxin, He Manchao, Wu Wenrui, Ma Fenglin, Xu Shuo, Wang Yetai
Publikováno v:
矿业科学学报, Vol 6, Iss 5, Pp 569-580 (2021)
There are many challenges in the process of underground engineering construction, such as high stress, extremely soft rock, strong mining and other complex conditions. The surrounding rock is difficult to control and its deformation is serious due to
Externí odkaz:
https://doaj.org/article/87c61de6651c4c839aab847c401285ba
Publikováno v:
矿业科学学报, Vol 6, Iss 4, Pp 397-408 (2021)
Large-scale topping deformation occurred in the southwest stope of Changshanhao Open-pit Gold Mine in Inner Mongolia.Through systematic investigation of the engineering geological conditions and rock mass structure types, the deformation characterist
Externí odkaz:
https://doaj.org/article/825e8fb4b29047949ea97e79ee9ba24c
Publikováno v:
矿业科学学报, Vol 5, Iss 1, Pp 34-44 (2020)
In recent years, the intensity and frequency of landslide geological disasters have been increasing year by year.In the process of landslide occurrence, the traditional prestressed anchor cable can not resist the large deformation of rock and cause p
Externí odkaz:
https://doaj.org/article/1625ef43529b48d69214853962eb2107
Publikováno v:
矿业科学学报, Vol 4, Iss 6, Pp 489-497 (2019)
Flexural toppling failure is a complex process of landslide disaster,on which the researches gradually become the key and difficult points in the academic field.Taking an open-pit mine slope failure due to flexural toppling as an example,this study a
Externí odkaz:
https://doaj.org/article/f4c0d88d688d4d46937ea1e298e6d3e9
Publikováno v:
矿业科学学报, Vol 4, Iss 2, Pp 102-111 (2019)
Based on the theory of “cutting short-wall beam”,the automatic cutting-in coal-free pillar mining technology for roof-cutting pressure relief is widely used in engineering practice.However,due to the limitation of the numerical modeling of large
Externí odkaz:
https://doaj.org/article/3d6a1b6d4ca748d7a69020d05e806367
Publikováno v:
矿业科学学报, Vol 4, Iss 1, Pp 8-16 (2019)
Uniaxial tensile simulations were carried out in OA,OB and OC directions of kaolinite at different temperatures by using molecular dynamics simulations.The deformation and failure processes of kaolinite were studied at the atomistic scale.The change
Externí odkaz:
https://doaj.org/article/2f96a212bff64b14af5ea10bd9ffcdbd
Publikováno v:
矿业科学学报, Vol 3, Iss 4, Pp 342-348 (2018)
The problem of water inrush is more prominent in deep coal mining.Due to complexity of geometry for rock mass fractures, there are still many difficulties in studying the seepage characteristics, especially, the rule of fluid flow in the cross fractu
Externí odkaz:
https://doaj.org/article/2f4acaa2621449d2888dd21773de2986