Research on water leakage control technology of inclined shaft of coal mine based on cement soil curtain of equal thickness [PDF]
, 2023 The loose layers and shallow weathered bedrock in western China are rich in water, and the inclined shaft crossing the water-rich loose layer is prone to leak at the wellbore construction joints, concrete joints and wall cracks.
Hai WANG +5 more
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Monitoring of Cultivated Land Quality Grade Changes Based on Spatiotemporal Scanning Statistics [PDF]
, 2023 [Objective] The spatiotemporal variation and distribution of cultivated land quality at Minhou County, Fujian Province over many years were analyzed in order to provide new ideas and new help for the study of spatiotemporal pattern evolution of ...
Chen Hanyue +6 more
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Review of 70 years’ achievements and high-quality development architecture system of surface coal mining in China [PDF]
As an important component of China’s coal industry, surface coal mines have the advantages of large production capacity, low mining costs, and great safety conditions.
Qingxiang CAI, Yanlong CHEN
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Shuitu Baochi Xuebao, 2001 大型露天煤矿土地复垦规划目前尚无明确的规范。根据 14年的土地复垦技术研究和工程实施的实践 ,以平朔安太堡露天煤矿 2 0 0 0～ 2 0 10年的土地复垦规划为例 ,重点探讨了大型露天煤矿土地复垦规划所涉及的关键问题 :( 1)规划编制的法律依据和技术依据 ;( 2 )规划编制的服务年限、范围及深度 ;( 3 )规划区土地破坏状况及其预测 ;( 4 )复垦土地适宜性评价 ;( 5 )土地复垦规划的具体方案 ;( 6)复垦规划方案实施的保证措施 ...
白中科 左寻 等
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Short term production planning of open-pit coal mine based on UAV data [PDF]
In order to improve the efficiency of making short-term (daily and weekly) production plan, fast analysis of the completion of equipment plan and the effect of visual design and visual expression, based on the UAV image data, the paper puts forward the ...
Ensan FU +3 more
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Optimization of the remaining ditch mode and parameters for end-wall covered of open pit coal mine with partition and inner dumping [PDF]
The development of large open-pit coal fields with high safety and efficiency is the trend of open-pit coal development. With partitioned mining as the main development mode, the large open-pit coal field has the significant advantages of safety and ...
Hengrong WANG +5 more
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Collaborative mining technological system of safety-green-high efficiency-low carbon for open pit coal mine [PDF]
The safe, green, efficient and low-carbon coal mining is the common goal of surface coal mines around the world. The development intensity and ecological carrying capacity of surface coal mine resources in China show the reverse development ...
Ensan FU +4 more
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Shuitu Baochi Xuebao, 2022 土壤水分是制约黄土高原地区生态恢复与重建的关键性因子,探究土壤水分的增加和储存是排土场边坡土地复垦和生态系统重建的重要内容。通过塑造水平阶(阶宽1 m,阶长2 m,每个水平阶间距1 m)、鱼鳞坑(长60 cm,宽40 cm,深30 cm,每个鱼鳞坑横排间距1 m,行间距1 m)工程措施,并以未塑造地形作为对照组进行人工模拟降雨试验,选择山西平朔安太堡露天煤矿南排土场边坡为研究区,在模拟降雨期间对土壤剖面不同土层深度(0—10,10—20,20—40 cm)的水分进行动态监测 ...
王悦 +4 more
doaj
Theory and technical system of coal ecological open-pit mining and its application [PDF]
Large-scale open-pit coal mining will cause ecological problems such as land excavation and occupation, groundwater drainage, soil erosion, vegetation destruction, air pollution, and regional landscape damage. The selection of existing open-pit coal mine
Quansheng LI
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Analysis of failure mode and deformation evolution characteristics of slopes under the influence of highwall mining [PDF]
, 2023 The slope has the typical deformation failure and instability characteristics under the interaction of natural and human factors which has been given a lot of attention in geotechnical and mining engineering.
Chuangye WANG +4 more
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