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Blasting practices in mines have undergone many changes in the recent past and continue to be honed and reconfigured to meet the demands of today’s mining needs. This volume compiles papers of the workshop Blasting in Mines – New Trends, hosted by the Fragblast 10 Symposium . The 17 papers provide a mix which highlight the evolving trends in blasting in mines. These range from special techniques of cast blasting, applications of seed wave modelling for improved fragmentation, to design of mass blasts and controlled blasting for stability of pit-walls. Blasting in Mines – New Trends will be of particular interest to mining and blasting engineers.
Table of Contents
Preface
Organising Institution
Committees
Sponsors
Seed wave modelling applications for fragmentation, damage, and environmental impact control
C.K. McKenzie
Design and general practice of mass blast in underground open stopping mining method
Q. Liu
Improving pit wall stability by minimizing blast damage vis a vis rock characterization at RAM
P.K. Rajmeny, R. Shrimali, L.S. Shekhawat & A. Joshi
New physical findings revolutionize the drilling and blasting technology as well as the prediction of ground vibrations—Part 1: The new blasting model
B. Mueller & H.P. Rossmanith
New physical findings revolutionize the drilling and blasting technology as well as the prediction of ground vibrations—Part 2: Practical applications above ground and underground
B. Mueller & H.P. Rossmanith
Assessing a risk analysis methodology for rock blasting operations
J. Seccatore, C. Origliasso & G. De Tomi
Novel blasting techniques for productivity improvement in hard rock underground dolostone mine
M. Ramulu & K.R. Rao
Application of a blast-based mine-to-leach model in Barrick Zaldivar
C. Muñoz, J. Alarcón, F. Contreras, D. Toro, R. Palape & J. Estay
Cast blasting for improved mine economics
A.K. Mishra, M. Sinha & M. Rout
Explosive energy distribution in an explosive column through use of non-explosive material-case studies
G.K. Pradhan & M. Pradhan
Blasting and explosive application in India—Past experience and future trends
M.O. Sarathy, A.D. Sao & A.M. Kazmi
Application of bunch-hole blasting in recovering residual ore in irregular goaf groups
H.X. Wang, H. Chen, Z.M. Sun, B. Yu & J.D. Liu
Investigation into the influence of air-decking on blast performance in opencast mines in India: A study
J.C. Jhanwar
Air spring vibration absorber blasting technology research and application
F.Q. Shi
Linking relationship between parameters of rock mass and ground vibrations
B.P. Sinha
Performance enhancement by adopting improved blasting techniques in a limestone mine: A case study
S.C. Suthar
Precision delay timing—a tool for improving mining efficiency: A case study
P.V.S. Sarma, A.M. Kazmi, A.D. Sao & G. Singh
Author index
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