ORIGINAL ARTICLE
Numerical Simulations of Ductile Fracture in Steel Angle Tension Members Connected with Bolts
1
Rzeszów University of Technology, The Faculty of Civil and Environmental Engineering and Architecture, Poland
Online publication date: 2020-08-19
Publication date: 2020-06-01
Civil and Environmental Engineering Reports 2020;30(2):32-54
KEYWORDS
steel anglebolted connectionsultimate tensile resistancefinite element modellingGurson-Tvergaard-Needleman material model
ABSTRACT
The aim of the paper is to verify and present methodology for ultimate tensile resistance prediction in steel angle tension members connected to gusset plates with one row of bolts. After a description of the experimental investigations, the next step was to build numerical models. The subjects of the experiments consisted of single plate specimens with drilled holes and angles connected to gusset plates with 1, 2, 3, or 4 bolts. Close attention was given to choosing the appropriate material model, which takes into account the influence of microstructural damage and the process of ductile fracture initiation and propagation. The porous Gurson-Tvergaard-Needleman material model was analysed and the paper focuses on hierarchical validation of numerical models of steel angle bolted connections, which will then be used for parametric studies.
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| eISSN: | 2450-8594 |
| ISSN: | 2080-5187 |
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