Events The Eighteenth International Conference of Experimental Mechanics

Event submissions

Published

This submission belongs to the session ICEM. ICEM 2018 of the event The Eighteenth International Conference of Experimental Mechanics

Published date

29 Jun, 2018

Citation

Carlos Jiménez-Peña, Alberto Lavatelli, Ruben Balcaen, Barbara Rossi, Dimitri Debruyne, 220 Model based bolt preload monitoring using Digital Image Correlation, in Proceedings of The Eighteenth International Conference of Experimental Mechanics, Brussels, 1 July–5 July 2018, MDPI: Basel, Switzerland, doi: 10.3390/ICEM18-05413

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220 Model based bolt preload monitoring using Digital Image Correlation

Carlos Jiménez-Peña ¹

Alberto Lavatelli ²

Ruben Balcaen ³

Barbara Rossi ⁴

Dimitri Debruyne ¹

1. Department of Materials Engineering, KU Leuven, 9000 Ghent, Belgium

2. Department of Mechanical Engineering, Politecnico di Milano, 20156 Milan, Italy

3. MatchID, Drongen 9031, Belgium

4. KU Leuven, Department of Civil Engineering, KU Leuven, 3001 Leuven, Belgium

Abstract

Bolt preload is one of the most significant parameters in bolted connections, which affects the static and fatigue performance of bolted connections. Traditional preload measuring methods give an estimation of the preload at the moment of tightening but cannot monitor preloading losses. In this investigation an initial proof of concept of a DIC based approach to relate bolt elongation to bolt preload is presented. Bolt elongation tests were performed to M16 bolts and a calibration method was proposed to obtain the bolt preload-elongation relationship for a given clamping length range.

Keywords

Preload

DIC

Bolted joints

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