Fatigue Assessment of High Loaded Bolted Bar Connection Using Strain-Life Approach

Srečko Glodež; Marko Knez; Janez Kramberger; Boris Aberšek

doi:10.4028/www.scientific.net/KEM.324-325.711

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Fatigue Assessment of High Loaded Bolted Bar Connection Using Strain-Life Approach

Abstract:

The paper deals with the problem of service life evaluation of counterweight bar bolted connection by means of computational analysis and experimental testing. Computational analysis has been performed using the local strain-life approach (ε-N), where appropriate material properties for treated high strength steel S1100Q has been determined previously. Experimental fatigue tests of bars were carried out in a specially constructed hydraulic pulsation machine. Comparison of computational and experimental results shows a reasonable agreement.