Middle-deep hole blasting technology is usually employed in open-pit mining. The difficult part of this technology focuses on several practical problems such as how to improve the equality of blasting block, how to decrease the consumption of explosive factor and blasting equipment and how to reduce the rate of lost mineral block. Concerning this, the technology of Wide-space Small Burden Millisecond Blasting is presented.
On the basis of modern blasting theories, this paper mainly discusses the b...