Abstract
Since the early 1970s there has been an accelerating interest in the use of acoustic emission/microseismic (AE/MS) techniques for the laboratory and field investigation of geological materials and structures. Basic AE/MS research and the application of AE/MS techniques to a variety of geotechnical problems has been under way in the Penn State Rock Mechanics Laboratory since 1965. To date, studies have involved a wide variety of field topics, including: cavern stability, stability of natural gas storage reservoirs, strata control in longwall coal mines, rock bolt stability monitoring, effects of blasting, mine and tunnel roof stability, subsidence monitoring and rock slope stability evaluation. This paper reviews the development of AE/MS research at Penn State, describes briefly a number of the major field studies undertaken, and discusses on-going and future research programmes.
Published Version
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