Rotary Drilling and Blasting in Large Surface Mines

by Bhalchandra V. Gokhale

Overview

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

Product Details

ISBN-13:	9781136898419
Publisher:	CRC Press
Publication date:	12/14/2010
Sold by:	Barnes & Noble
Format:	eBook
Pages:	748
File size:	47 MB
Note:	This product may take a few minutes to download.

About the Author

Bhalchandra V. Gokhale is an experienced professional who has worked both in practice, on mine construction and foundation works, and on the technological side of blasthole drilling equipment. Through this book, he shares his extensive knowledge of the technological aspects of drilling, mining and construction equipment and their application.

Table of Contents

Surface Rock Excavation Scenario. An Overview of Blasthole Drilling. Properties of Rocks. Brief History of Rotary Blasthole Drilling. Rotary Blasthole Drilling Bits. Rotary Blasthole Drilling Accessories. Rotary Blasthole Drills. Compressed Air and Air Compressors. Mechanics of Rock Fracture Under a Drill Bit. Flushing the Blasthole. Effect of Altitude and Severe Weather. Computers in Rotary Blasthole Drilling. Concepts for Rotary Blasthole Drill Design. Cost Analysis of Rotary Blasthole Drilling. Procurement of Rotary Blasthole Drills. Tips for Operating Rotary Blasthole Drills. Mechanics of Blast Fragmentation. Properties of Explosives. Thermochemistry of Explosives. Explosives - Their History and Composition. Testing Explosives. Blasting Consumable and Accessories. Hazards to and from Blasting. Properties of Rock Masses. Methods and Patterns of Charging Blastholes. Design of a Surface Blast.