Study on the raising technique using one blast based on the combination of long-hole presplitting and vertical crater retreat multiple-deck shots

Study on the raising technique using one blast based on the combination of long-hole presplitting and vertical crater retreat multiple-deck shots

This paper reports the further study carried out by the authors on the technique of long-hole raising in one blast. In the previous work reporting the results of preliminary study, method of vertical crater retreat (VCR) multiple-deck shots with different and smaller slice heights was used to excava...

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Bibliographic Details
Main Authors: Liu, K., Li, X., Hao, Hong, Sha, Y., Wang, W., Liu, X.
Format: Journal Article
Published: Pergamon 2019
Online Access:http://hdl.handle.net/20.500.11937/72537

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