Opencast mining is one of the two ways of coal mining in China. Similar to the underground
coal mine, the open-pit coal mine also faces the problem of water prevention and control in …

Opencast mining is one of the two ways of coal mining in China. Similar to the underground
coal mine, the open-pit coal mine also faces the problem of water prevention and control in …

In the new century, the coal industry has experienced a decade of rapid development, and
the coal output has been stabilized at about 4.5 billion tons. The coal mine safety situation is …

The mines of the Permo-Carboniferous coalfield in North China and the Late Permian
coalfield in the South are seriously threatened with Karst Water from limestone, which results …

Taking the large Changjiagou reservoir in Shenfu coal mine as an example, using hydro-
geological explora-tion, drill hole measurement, theoretical calculation and numerical …

Shaanxi province is rich in coal resources and is one of the main coal-producing provinces
in China, with a coal production of 746 million tons in 2022. Due to the obvious differences …

The method of pumping and discharging groundwater is widely used in open-pit coal mines
for groundwater control in China to meet the requirements of safe coal mining, which causes …

In view of the problems of coal mine closure work in China, taking the closed mine water
inrush accident of Zhongcun coal mine in Shanxi province as an example, this paper …

Among all recorded water disasters in China coalmines, 10% can be attributed to surface
water, making it one of the top water hazards. Based on the analysis of cases of surface …

We analyzed the regional nature of China's coal mine water disasters based on three
aspects: the main water source, water-conducting passages, and threat level of water …