Tunnel detection using cross-well radar

Arvin M. Farid, Jose A. Martinez-Lorenzo, Akram N. Alshawabkeh, Carey M. Rappaport

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Illegal immigrants and smugglers have frequently used underground tunnels to avoid border security and checkpoints. The threat of international terrorism also warrants the effort to detect tunnels a national security priority. The goal of this research is to study and evaluate the feasibility of using Cross-Well Radar to detect tunnels and develop a real-time monitoring technique for borders (narrowed down to by surface investigation, such as GPR, etc.) or surrounding prisons or highly secured area. In this paper, an approach for tunnel detection is experimentally validated at a pilot scale facility (referred to as SoilBED). Multiple-depth wideband frequencyresponse measurements were collected in the fully saturated sandy soil, and across PVC-cased ferrite-bead jacketed borehole monopole antennas. The measurements were used to assess the impact of the experimentally simulated tunnels on the electromagnetic wave propagation. The setup was then theoretically modeled using a two dimensional finite difference frequency domain (2D-FDFD) technique to seek the level of agreement between the theoretical and experimental data. The results will be eventually used to reconstruct images of the tunnel via inversion techniques. Copyright ASCE 2008.

Original languageEnglish
Title of host publicationProceedings of Sessions of GeoCongress 2008 - GeoCongress 2008
Subtitle of host publicationCharacterization, Monitoring, and Modeling of GeoSystems, GSP 179
Pages284-291
Number of pages8
Edition179
DOIs
StatePublished - 2008
EventGeoCongress 2008: Characterization, Monitoring, and Modeling of GeoSystems - New Orleans, LA, United States
Duration: 9 Mar 200812 Mar 2008

Publication series

NameGeotechnical Special Publication
Number179
ISSN (Print)0895-0563

Conference

ConferenceGeoCongress 2008: Characterization, Monitoring, and Modeling of GeoSystems
Country/TerritoryUnited States
CityNew Orleans, LA
Period9/03/0812/03/08

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