Damage Evolution Mechanisms of Rock Induced by Blasting with the Aid of Empty-Hole Effect

Blasting has been widely used in coal mining as a method of reducing the integrity of rock mass. Its low controllability often leads to the unsatisfactory fragmentation effect of rock mass. The empty borehole effect has great significance in avoiding the excessive breakage of rock mass and guiding t...

Full description

Bibliographic Details
Main Authors: Ningkang Meng, Jianbiao Bai, Yong Chen, Xiangyu Wang, Wenda Wu, Bowen Wu, Shuaigang Liu
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/13/3/756