ABSTRACT

In large surface mining operations, drilling and blasting activities constitute more than 15% of the total costs. In order to optimize performance and minimize costs, a thorough knowledge of drill and blast operations is, therefore, extremely important.In this unique reference volume, rotary blasthole drilling and surface blasting, as applied in la

chapter 1|14 pages

Surface rock excavation scenario

chapter 2|16 pages

An overview of blasthole drilling

chapter 3|30 pages

Properties of rocks

chapter 4|22 pages

Brief history of rotary blasthole drilling

chapter 5|34 pages

Rotary blasthole drilling bits

chapter 6|36 pages

Rotary blasthole drilling accessories

chapter 7|70 pages

Rotary blasthole drills

chapter 8|36 pages

Compressed air and air compressors

chapter 10|32 pages

Flushing the blasthole

chapter 11|16 pages

Effect of altitude and severe weather

chapter 12|32 pages

Computers in rotary blasthole drilling

chapter 13|14 pages

Concepts for rotary blasthole drill design

chapter 14|30 pages

Cost analysis of rotary blasthole drilling

chapter 15|6 pages

Procurement of rotary blasthole drills

chapter 16|10 pages

Tips for operating rotary blasthole drills

chapter 17|10 pages

Mechanics of blast fragmentation

chapter 18|18 pages

Properties of explosives

chapter 19|8 pages

Thermochemistry of explosives

chapter 20|22 pages

Explosives – their history and composition

chapter 21|14 pages

Tests on explosives

chapter 22|26 pages

Blasting consumable and accessories

chapter 23|20 pages

Hazards to and from blasting

chapter 24|18 pages

Properties of rock masses

chapter 25|26 pages

Methods and patterns of charging blastholes

chapter 26|42 pages

Design of a surface blast