With deep bore smooth surface exploding technique and the relevant scientific management system, shaped tunnel once for all, and further more studied carefully full rock tunnel excavating method with modern machinery, in order to boosting excavating speed and development of mechanical production line, finally paving the way for building hi-production and hi-proficiency team.

Status of experimental application and prospect of bottom-hole detonation technology in China;

Application of precision microsecond delay firing and hole-by-hole firing in practice of blasting;