3-D modelling of single-lap multi-bolted joints under quasi-static conditions

Supar, Khairi and Ahmad, Hilton (2017) 3-D modelling of single-lap multi-bolted joints under quasi-static conditions. In: AIP Conference Proceedings.

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Official URL: doi: 10.1063/1.5002214

Abstract

Multi-bolted joint configurations are commonly used in joining different parts in various engineering sectors, ability of bolts to transfer by-pass stress to adjacent bolts prone of net-tension to occur compared to singlebolt joint configurations. There is bearing-bypass envelope has been proposed but due to complexities in bearing damage leading to difficulties in predicting failure modes. More recently, strength prediction works in composite structures are carried out within finite element framework to take into advantage of advanced computing technology. Current work implemented a three-dimensional Extended Finite Element Method (XFEM) framework of single-row multi-bolted joints to predict the bearing stress at failure, validated against experimental datasets. A testing series comprised of different clamping load and number of bolts in a single row. All testing series failed in net-tension failure mode, suggesting prominent effect from stress concentration. Crack initiation and propagations shows similarity within XFEM and experimental observations. Good agreements were found (less than 10% discrepancy) due to ability in 3-D modelling to capture effect of bolt load and frictional load transfer.

Item Type:Conference or Workshop Item (Paper)
Subjects:T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
ID Code:10137
Deposited By:Pelajar Praktikal UiTM
Deposited On:13 Aug 2018 11:28
Last Modified:13 Aug 2018 11:28

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