Ground Penetrating Radar for Railroad Track Substructure Evaluation

Hyslip, J. P.; Olhoeft, G. R.; Smith, S. S.; Selig, E. T.; Ernest T. Selig, Inc.; Consultant/Scientist; GeoRecovery Systems, Inc.

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Ground Penetrating Radar for Railroad Track Substructure Evaluation

2005-10-18
By Hyslip, J. P. ; Olhoeft, G. R. ; Smith, S. S. ; ...

[PDF-2.25 MB]

English

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Details:

Creators:

Hyslip, J. P. ; Olhoeft, G. R. ; Smith, S. S. ; Selig, E. T.

Hyslip, J. P. ; Olhoeft, G. R. ; Smith, S. S. ; Selig, E. T. Less -
Corporate Creators:

Ernest T. Selig, Inc. ; Consultant/Scientist ; GeoRecovery Systems, Inc.

Ernest T. Selig, Inc. ; Consultant/Scientist ; GeoRecovery Systems, Inc. Less -
Corporate Contributors:

United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development
Subject/TRT Terms:

[+]

Ballast (Railroads) Ground Penetrating Radar Information Processing Maintenance Of Way Nondestructive Tests Railroads Railroad Tracks Subballast Subgrades (Railroads) Substructures Surveys
Publication/ Report Number:

DOT/FRA/ORD-05/04
Resource Type:

Research Paper
Geographical Coverage:

United States
Corporate Publisher:

United States. Department of Transportation. Federal Railroad Administration. Office of Research and Development
Abstract:

This report presents the results of the first three phases of a multiphase project to adapt Ground Penetrating Radar (GPR) to railroads for use in developing useful indices of substructure condition and performance. Included are brief discussions of some basic GPR principles, as well as data processing and modeling techniques that are applicable to railroad surveys. The railway GPR equipment is mounted on a hi-rail vehicle and includes multiple sets of 1-GHz air-launched horn antennas suspended above the track that permit fast survey travel speeds and high resolution measurements to a depth of 1 to 2 m. The multiple sets of antennas provide transverse and longitudinal measurements of the track substructure. This report presents example results from more than 200 mi (320 km) of surveys to demonstrate the capabilities and applicability of GPR to assess railway track substructure (ballast, subballast, and subgrade) conditions and to produce quantitative indices of railway track substructure condition for use in track substructure maintenance management efforts.
Format:

PDF
Funding:

DTFR53-05-P-00394
Collection(s):

Federal Railroad Administration
Main Document Checksum:

[+]

urn:sha256:a3a7a4b253fd5fc819a793f652de4da35e550936e4c6d5c72a76b4a89a8dc409
Download URL:

https://rosap.ntl.bts.gov/view/dot/60587/dot_60587_DS1.pdf
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Ground Penetrating Radar for Railroad Track Substructure Evaluation

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