Application of Controlled Blasting Technology on Signal ChamberConstruction underground

@inproceedings{Zhong2003ApplicationOC,
  title={Application of Controlled Blasting Technology on Signal ChamberConstruction underground},
  author={Chen Zhong},
  year={2003}
}
This paper introduces controlled blasting technology on signal chamber of pit-bottom and main haulage roadway,which are of complex condition,lithological character and highly security. Different construction methods are adopted in different places and ideal blasting results are acquired, which provides good experiences under similar condition.