The Du Pont sequential blasting system

CIM Bulletin, Vol. 72, No. 807, 1979

D.O. TANSEY, Technical Specialist, Du Pont of Canada Limited, Explosives Division

This paper will describe the mechanisms involved in delay blasting and how they are applied with the use of D.S.B. It will examine the control of potential damage resulting from detonations, and show how good fragmentation and efficient recovery of this material blasted can be achieved.
Keywords: Underground mining, Open-pit mining, Blasting, Sequential blasting, Delay blasting, Explosives.