Choosing Coaxial Cable For TDR Monitoring

Dowding, C. H.
Organization: Society for Mining, Metallurgy & Exploration
Pages: 10
Publication Date: Jan 1, 1986
The main goal of this paper is to present readers with recommendations for choosing coaxial cables appropriate for mining applications of Time Domain Ref 1 ectometry (TDR) to monitor rock mass movements. Prior to discussing the recommendations, mining applications are illustrated with examples and the operating principle of TDR is discussed briefly. Items that affect the result of the monitoring system performance include the coaxial cable selected, the grouting material used, and the installation procedure.
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