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Behaviour and Design of Stainless Steel Bolted Connections

Behaviour and Design of Stainless Steel Bolted Connections Using previously developed and validated finite element (FE) models, an investigation into the behaviour of stainless steel bolted connections has been carried out. Both net section rupture and bearing failure were studied. The main parameters affecting net section rupture were found to be edge distance e2 and bolt configuration. It was shown that the ductility of stainless steel is sufficient to ensure a failure at the full fracture load (net area multiplied by ultimate tensile strength) for both thick and thin material and hence no reduction factor is required in the design equation. This was confirmed by reliability analysis and a suitable partial safety factor has been derived. The investigation into bearing behaviour showed that the deformation response of stainless steel connections is different from that of carbon steel connections, with stainless steel exhibiting pronounced strain hardening. The locations of fracture initiation obtained from the numerical models match those observed during experimental studies of carbon steel and stainless steel connections. The results of the parametric study were utilised as the basis for the development of design provisions for bearing failure in stainless steel bolted connections, covering both cases in which deformation controls and those for which ultimate strength is the only criterion. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advances in Structural Engineering SAGE

Behaviour and Design of Stainless Steel Bolted Connections

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References (20)

Publisher
SAGE
Copyright
© 2011 SAGE Publications
ISSN
1369-4332
eISSN
2048-4011
DOI
10.1260/1369-4332.14.4.647
Publisher site
See Article on Publisher Site

Abstract

Using previously developed and validated finite element (FE) models, an investigation into the behaviour of stainless steel bolted connections has been carried out. Both net section rupture and bearing failure were studied. The main parameters affecting net section rupture were found to be edge distance e2 and bolt configuration. It was shown that the ductility of stainless steel is sufficient to ensure a failure at the full fracture load (net area multiplied by ultimate tensile strength) for both thick and thin material and hence no reduction factor is required in the design equation. This was confirmed by reliability analysis and a suitable partial safety factor has been derived. The investigation into bearing behaviour showed that the deformation response of stainless steel connections is different from that of carbon steel connections, with stainless steel exhibiting pronounced strain hardening. The locations of fracture initiation obtained from the numerical models match those observed during experimental studies of carbon steel and stainless steel connections. The results of the parametric study were utilised as the basis for the development of design provisions for bearing failure in stainless steel bolted connections, covering both cases in which deformation controls and those for which ultimate strength is the only criterion.

Journal

Advances in Structural EngineeringSAGE

Published: Aug 1, 2011

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