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Blast Design Online Short Course

Date Tue 13 October 2020, 17:00
- Tue 13 October 2020, 19:30
CPD Points 0.1 ECSA CPD Points for every 1 hour webinar attended
Location Online Event
Resources Blasting Announcement & Reg form-08092020.pdf
We are no longer accepting registration for this event

Introduction

INTRODUCTION

Blast design can be defined in simplified form as an ability to remove the waste rock to expose the ore (Gold and Diamond) or coal. First thing to look at is the drivers in the waste environment, which is typically around loading and hauling efficiency. In blasting terms this refers to material that can be handled in a fill (either full bucket or completely filled) bucket depending on fragmentation and the loading equipment. The aim is to optimise and achieve the desired fragmentation. These outcomes are influenced by the following:

  • Geology (rock type and rock properties)
  • Explosives (mass and type)
  • Initiation (type and timing)
  • Muckpile in relation to the free face
  • Bench geometry.
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