An Investigation of Thermal-Mechanical Fragmentation of Hard Rock

Abstract

Based upon research using heat applied to the surface of rock and at the base of slots cut in the rock, it was determined that heat applied internally is markedly more effective in fracturing hard rock. Coiled wire resistance heaters proved effective

Department(s)

Mining Engineering

Second Department

Mechanical and Aerospace Engineering

Keywords and Phrases

Arc Melting; Excavation; Fracture (Mechanics); Fragmentation; Heat; Heat Transfer; Igneous Rock; Numerical Analysis; Rapid Excavation; Rock Mechanics

Document Type

Technical Report

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1973 Missouri University--Rolla. Rock Mechanics and Explosives Research, All rights reserved.

Publication Date

01 Jan 1973

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