Understanding the Drill and Blast Process

Summary

The mechanics of drill and blast design

Schedule

This 1-day course explains the mechanics of drill and blast design; with a focus on the fundamental importance of effective blasting for mine economics.

AusIMM PD Hours

8

Course Content

You will learn about:

  • Explosive and rock breaking theory - The mechanisms of rock breakage in relation to blasting
  • Key geological features that aff ect blasting outcomes and correct explosive selection
  • Commercial initiation systems and the importance of timing in good blast design
  • Open pit blast design fundamentals
  • The importance of field application of blast design, including explosive energy and timing design for specific results
  • Controlling over break and smooth wall blasting techniques
  • Understanding the causes of flyrock, ground vibration and air blast
  • Safe blasting practices and “mine to mill” blasting for best practice

Please Note: You are welcome to bring examples of issues you are facing on-site for group discussion and potential solution.

Course Length (Days)
1

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