Introduction. China is heavily dependent on coal, and the proportion of coal in the energy structure will be continuously high 1, 2, 3. The open-pit coal mining has …

Mining and industrial activities are the primary sources of soil pollution in the open-pit coal mine. The concentrations of PAHs in 11 sampling sites in the industrial district and 9 sampling sites with different land use types in Pingshuo open-pit coal mine, China, were measured to investigate the distributions of PAHs and possible sources in soil profiles …

The results show that 87% of China's coal is mined by underground methods, with an average production capacity of 0.93 Mt/a per mine. Open pit mining accounts for 13%, with an average mine ...

The Chenbaerhuqi coal field in Hulunbuir City, Inner Mongolia Autonomous Region of China, is where the Baorixile open-pit coal mine is situated (as shown in Fig. 2) 7,28.The mine's external ...

2. Engineering Research Center of Mining Environment & Ecological Safety of Ministry of Education, Beijing 100083, China. Address: Dongxiaolou, Yard 10, Xiaoguandongli, Andingmenwai Street, Chaoyang District, Beijing Code: 100029. Tel: 010-62213826 E-mail: zgkyzzs@163 Fax: China Mining Magazine Co., Ltd. ICP13051254-1 ...

CNN —. Search and rescue operations continued in northern China Thursday, after a collapsed coal mine left at least five dead and dozens trapped. Chinese state media reported that six were ...

China's Inner Mongolia region ordered inspections at all of its open-pit mines on Friday, after at least six people were killed in a landslide at a coal mine, with 47 others still missing.

Coal seam that is thinner than a certain value is defined as thin coal seams (TCS). It commonly occurs in China as it covers 84.2% of the mining area. This situation is even severe in China's large surface coal mines, in which TCS accounts for 10–50% of the total reserve. Most TCS cannot be feasibly mined due to the working conditions of …

Wucaiwan open-pit coal mine is located in Jimusaer County, Xinjiang Province, Northwest of China (Fig. 1 A). The open-pit covers approximately 24 km 2 and …

The construction of the Pingshuo mining area was very important to China's coal industry base, where the Antaibao open-pit coal mine, Anjialing open-pit coal mine and East open-pit coal mine started operating in …

CNN — Search and rescue operations continued in northern China Thursday, after a collapsed coal mine left at least five dead and dozens trapped. Chinese state media reported that six were...

The coal mine slopes in the Warukin formation consist mostly of sandstone and claystone. Moreover, those stones are part of sedimentary rocks. One of the factors that influence the instability of sedimentary rock slopes was the presence of the groundwater level because it can reduce the internal strength of the slope and increase …

The soil of three soil depths (0–10, 10–20, and 20–30 cm) from natural land and three waste dumps with primary succession ages of 5 (R5), 10 (R10), and 20 (R20) years in the Heidaigou open-pit coal mine of Northwest China, were analyzed to examine changes in the soil properties and to highlight relationships between these properties.

Spraying water is commonly used for dust suppression in open-pit mines (Peng et al. 2019).A more economical approach is to spray a mixture of a suitable dust suppressant and water (Wang et al. 2019).But some open-pit mines in environmentally vulnerable areas of Northwest China are extremely short of water (Zhou et al. 2016; Hu …

The Xinjing Open-Pit Coal Mine landslide is situated in the southern region of Helan Mountain (Fig. 1a). This region under experienced aulacogen deposition from the middle-late Proterozoic and to early Paleozoic periods, with the reactivation of ancient faults and rift development in the late Paleozoic, and reverse thrusting and folding uplift since …

Open-pit mining is a type of surface mining used to extract coal, gold, and other minerals. It creates immense water and air pollution, disfigures landscapes, and destroys habitats.

The Antianbao open-pit coal mine, located in Shuozhou city, Shanxi Province (Fig. 2), is the largest and most modern coal production base in China (Bai et al., 2018b).The geographical coordinates of this open-pit coal mine are 112°19′-112°24′E and 39°30′-39°35′N, and the area is a typical ecologically fragile area of the Loess Plateau …

3 Haerwusu Open-Pit Coal Mine, China Shenhua Energy Co. Ltd., Ordos 017100, China * Correspondence: [email protected] (W.Z.); ... Qingxiang [40] analyzed dust distribution in a Chinese open-pit coal mine and found that PM concentration is nearly the same throughout the mine, but its concentration is very high around the equipment …

The open pit mining industry is an important basic industry related to China's economic lifeline and energy security, China's open pit coal production has been maintaining good growth momentum.

The Wucaiwan open-pit coal mine area is located in Jimusar County in the eastern part of the Junggar Basin (44˚42'-44˚57' N, 89˚5'-89˚16' E), Xinjiang Province, the People's Republic of China ...

Moreover, the safety factor of the open-pit mining is higher than that of the underground mining. Therefore, two thirds of the mines are mined by the open-pit mining mode. China is the world's largest coal producer and consumer. In 2015, the coal output in China is 3.75 billion tons, accounting for 47% of the world's total. However, most of ...

Qiang Xu, Huiyan Lu, Hao Fu, Pengyu Guo, Jianjun Zhao & Congwei Yu. 447 Accesses. Explore all metrics. Abstract. On February 22, 2023, a devastating …

The open pit mining industry is an important basic industry related to China's economic lifeline and energy security, China's open pit coal production has …

PDF | On Apr 23, 2019, Cai qing xiang and others published Open Pit Coal Mines | Find, read and cite all the research you need on ResearchGate. ... 2 Surface mining in China. 2.1 Output.

The collapse of open-pit coal mine slopes is a kind of severe geological hazard that may cause resource waste, economic loss, and casualties. On 22 February 2023, a large-scale collapse occurred at the Xinjing Open-Pit Mine in Inner Mongolia, China, leading to the loss of 53 lives. Thus, monitoring of the slope stability is important …

Rock slope deformation stability for Antaibao open pit coal mine under mining was analyzed using finite difference technique (FLAC 3D).Optimal excavated scheme with relatively steeper slope angle of 47° instead of 30° was successfully implemented at the west wall on the geological section 73200 of the mine area, where …

A large-scale end wall landslide occurred on August 7–20, 2020, in the Manglai open-pit coal mine, China. In this paper, the engineering geological survey, mechanical test, large-deformation ...

Open-pit coal mine landslides are a common hazard, and a major mine landslide disaster occurred on February 22, 2023, at the Xinjing mine in Alxa Left Banner, China. In this study, multi-source remote sensing techniques, combined with actual environmental conditions, were used to conduct a preliminary investigation of the pre …

Soil samples were collected from the waste dump reclaimed after 2, 5, 10, and 15 years in Shengli West No. 2 open pit coal mine in Inner Mongolia, China, and the surrounding natural grassland was set as a control at 0–10 cm and 10–20 cm. Soil pH, electrical conductivity (EC), soil organic matter (SOM), nutrient properties, bacterial, and ...

The development of open-pit coal mines in China started late, and coal resources suitable for open-pit mining only account for 10%–15% of the total coal resources of China. ... Zhang RX, Mao SJ, Zhao HZ et al (2019) Framework and structure design of system construction for intelligent open-pit mine. Coal Sci Technol …