Full-Text Search:
Home|About CNKI|User Service|中文
Add to Favorite Get Latest Update

The Application of Millisecond Blasting Technique in Heading Advance

Xia Hongbing~1 Zhang Dingqian~2 1 Anhui University of Science and Technology (Huainan Anhui 232001) 2 Safety Bureau of Huainan Mining Industry Group (Huainan Anhui 232001)  
According to the property of free surface of rock, the element theory of millisecond blasting and millisecond delay time are introduced some measures are used to reduce explosive ratio and contro the broken pile and improve the blasting effectiveness by choosing millisecond delay time and taking advantages of the explosion shock and collision between the fly rocks and free surfaces.
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©CNKI All Rights Reserved