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Field Validation of Vertical Tie Reaction Force Measurement Using Rail Strain Gauges

Document Series:
Research Results
Author:
  • Federal Railroad Administration
Report Number
RR 22-06
Office
RDI-21
Keywords:
Strain gauge, calibration, tie reaction force, tie support condition, Differential Shear Strain, DSS, track, railroad, Load Cell, LC
Document
Field Validation Rail Strain.pdf (710.64 KB)

On October 2021 in Chambersburg, PA, the Federal Railroad Administration (FRA) tasked ENSCO Inc. and Oklahoma State University (OSU) to verify the concept and assess how different track and loading configurations can affect the accuracy of the measurements. This document provides a summary of the results for statically applied loads.


Last updated: Wednesday, August 20, 2025