|
|
|
|
|
Qiang Cheng, Gun Huang, Zhiqiang Li, Jie Zheng and Qinming Liang
The gas contained in coal plays a crucial role in triggering coal and gas outbursts. During an outburst, a large quantity of gas originally absorbed by coal is released from pulverized coal. The role this part of the gas plays in the process of coal and ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shaojie Zuo, Zhaolong Ge, Zhe Zhou, Li Wang and Hanyun Zhao
Extraction of gas (coalbed methane) produces clean energy and can ensure that coal mines maintain high-efficiency production. The currently available coal seam permeability enhancing technologies and modes have certain application restrictions. Therefore...
ver más
|
|
|
|
|
|
|
|
|
|
|
Deyu Qian, Nong Zhang, Dongjiang Pan, Zhengzheng Xie, Hideki Shimada, Yang Wang, Chenghao Zhang and Nianchao Zhang
The stability of underground openings is pivotal to sustainable safe mining in underground coal mines. To determine the stability and tunneling safety issues in 800-m-deep underground openings through large fault zones in argillaceous rocks in the Guqiao...
ver más
|
|
|
|
|
|