Session 1
Section 1 – Mechanical characterization of cold-formed steel sections
- Assessment of the surface finishing conditions of cold formed specimens and statistical assessment of “on delivery” surface quality of cold formed steel sections
- Experimental characterization of the virgin material
- Experimental measurement of residual stresses induced by cold forming
- Experimental characterization of the material after cold forming
- Analysis of fatigue tests data on small-scale specimens, calibration of fatigue models and correlation of surface finish conditions with fatigue strength of cold formed materials
- Numerical simulation of the cold forming process and of the induced local residual stresses and experimental validation
- Optimization of choice of material and production parameters with regard to fatigue
Section 2 – Full scale detail testing and parametric study (Part 1)
- Global-local fatigue approaches for snug-tight and preloaded hot-dip galvanized steel bolted joints
- Cold formed rails in logistics structures
- Experimental and numerical fatigue assessment of cold-formed steel rails
Session 2
Section 2 – Full scale detail testing and parametric study (Part 2)
- Fatigue in uprights for logistics structures
- Experimental and numerical fatigue assessment of cold-formed uprights
- Modelling approach for fatigue design
- Generation of database
Section 3 – Categorization of details and design rules
- Current fatigue design approach of cold formed profiles industry
- Analysis of results in view of detail categorization
- Fatigue design models and worked examples for coldformed uprights at least for bolted joints
- Development of a fatigue design model for cold formed steel details to be implemented in the general design me thod for fatigue, according to EN 1993-1-9
- Methods for fatigue design of cold formed steel structural details and calculation examples
Conclusions and proposals for Norms development
Discussion
Hosted by:
