Study and Application of Similar Material Ratio in Collapsible Loess
Advances in Materials Science and Engineering, Volume 2021, Issue 1, 2021., 2021 The similar material of collapsible loess is the basis and premise of the experimental study on the surface movement and deformation law of coal seam mining in collapsible loess‐covered areas. The orthogonal experiment is used to make up similar material with different proportions using river sand and barite powder as aggregate, clay and gypsum as ...
Bingchao Zhao +6 more
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Advances in Civil Engineering, Volume 2021, Issue 1, 2021., 2021 Geological tectonic movements, as well as complex and varying coal‐forming conditions, have led to the formation of rock partings in most coal seams. Consequently, the coal in coal‐rock composites is characterised by different mechanical properties than those of pure coal.
Dong Xu +4 more
wiley +1 more source
Study on Development Law of Mining‐Induced Slope Fracture in Gully Mining Area
Advances in Civil Engineering, Volume 2021, Issue 1, 2021., 2021 The development law of mining cracks in shallow coal seams under gully topography was used as the research base to analyze the development characteristics of mining cracks in the 5‐2 coal mining face of Anshan Coal Mine, and the weak strength was established.
Tao Yang +5 more
wiley +1 more source
Study on chemical characteristics and evolution law of groundwater in Taigemiao Mining Area [PDF]
, 2023 Taigemiao Mining Area is rich in coal resources, but water resources are scarce and the ecological environment is fragile, and the use of hydrogeochemical methods to carry out research on the chemical characteristics and evolution law of groundwater in ...
Aixia ZHOU +6 more
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Mathematics, 2021 Roof accidents seriously affect the safe and efficient mining of the working faces. Therefore, it is necessary to assess and identify the possible and influencing factors on the occurrence of roof risk in a fully mechanized mining workface. In this study,
Yu Xiong +4 more
doaj +1 more source
Construction and Application of “Active Prediction-Passive Warning” Joint Impact Ground Pressure Resilience Prevention System: Take the Kuan Gou Coal Mine as an Example [PDF]
, 2023 With the increasing depth and intensity of coal mining, the impact on ground pressure has become one of the main disasters facing mining, seriously threatening mine safety.
Huicong Xu +4 more
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Distribution and controlled geological factors of oil-rich coal in shaanxi province
Meitan kexue jishu, 2023 The green, clean and efficient utilization of coal is an important way for the sustainable development of coal industry. Shaanxi province is rich in coal resources, which are mainly distributed in the five coal fields in the north of Shaanxi province ...
YANG Fu +6 more
doaj +1 more source
Comparing the vulnerability of different coal industrial symbiosis networks under economic fluctuations [PDF]
, 2017 We establish a vulnerability analytical framework of CISN, and illustrate the impact path of economic fluctuation on CISN performance. Based on this, we propose an improved cascading failure model with directed weighted network, and design five network ...
Li, Jingying +5 more
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The influence of coal mining subsidence on the movement and deformation of loess slope in the loess gully area of Northern Shaanxi [PDF]
, 2023 Introduction: How to solve the contradiction between coal mining and soil and water conservation is a key scientific problem to realize ecological environment protection and high-quality development in the middle reaches of the Yellow River.Methods ...
Beibei Zheng +16 more
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groundwater, drainage experiment, evolution of flow field, hydrogeological parameters, steady flow,
Meikuang Anquan, 2020 The first mining face 122106 in Caojiatan Coal Mine was taken as the research object. The main water filling sources and water filling channels during the mining period of the working face are determined.
HUANG Hao, FANG Gang, LIANG Xiangyang, LIU Yang, HUA Zhaolai, LYU Yang
doaj +1 more source