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Ballast fouling assessment using 2 ghz horn antennas – GPR and ground truth comparison from 238 km of track

Last updated on 02 September 2014 3:32

A study utilizing ground penetrating radar (GPR) horn antennas to evaluate railroad ballast, subballast, and subgrade condition was conducted between January 2005 and September 2006. Early in the study it was noted that the data from recently developed 2 GHz horn antennas indicated high sensitivity to the void space between...

Author(s): Roberts Roger;Kathage Andreas;Al-Qadi Imad;Tutumluer Erol

Organisation(s): GSSI ; University of Illinois Urbana-Champaign ;

2007

United States

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