With the increasing awareness of environmental protection, the mining of open-pit mines in China strongly advocates “green mining”. In the process of achieving green mining in open-pit mines, it can be seen that the impact of open-pit mining on the environment is not only extensive but also significant. The mining activities in open-pit mines involve various aspects such as land, air, water environment, ecology, noise, waste, society, and economy.

The emergence of gas expansion rock-breaking technology has realized “green mining” in mines. Gas expansion rock-breaking technology can achieve deep-hole and stepwise mining, meeting the production needs of thousands of cubic meters per day.