Dynamic Characterization of Posttensioned Rods in Stressed Timber Systems

by J. E. Stephens, West Virginia Univ, United States,
H. V. S. GangaRao, West Virginia Univ, United States,
V. Govindaraj, West Virginia Univ, United States,

Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing


A new approach is presented to monitor the levels of force in posttensioning rods in stressed timber systems. The dynamic response of the rod under an impact load is characterized and then correlated with the level of tension in the rod. This approach is simpler and faster than existing techniques and is intended for use during routine structural inspections.

Subject Headings: Wood bridges | Bridge tests | Wood construction | Construction materials | Material tests | Materials characterization | Wood | Tension

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