Rock Excavation with Microwaves: A Literature Review

by J. Carlos Santamarina, Polytechnic Univ, United States,

Abstract: Research on the use of microwaves for breaking rocks started in the late fifties. In this paper, the principles of microwave heating and the possible mechanisms responsible for the breaking of rocks are explained. The review includes field and laboratory studies, costs, and safety issues.

Subject Headings: Rocks | Microwaves | Excavation | Temperature effects | Field tests | Laboratory tests | Tunnels | Safety

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