The destruction process of actual, laminated thin-walled columns with biofibers subjected to uniform shortening

The aim of the project was to carry out numerical simulations using the finite element method and preliminary experimental verification of the degradation process of mechanical properties of simply supported thin-walled columns with biofibres, under uniform shortening. In the first stage, samples were made to determine the material constants of the analyzed materials (carbon laminate and flax laminate). Then, the material constants were determined and used in numerical simulations. Real column made of epoxy laminates reinforced with carbon and linen fibers were analysed. Preliminary tests were carried out consisting in the selection of the layer system and the share of biofibers, so as to observe the characteristic effects that appear in this type of structures during compression. Moreover, the influence of biofibers on the course of the destruction process was determined. Numerical research was carried out using the finite element method in the Abaqus environment. Experimental tests were carried out on a standard testing machine with the use of the Aramis measuring system, with the use of strain gauge measurement and the acoustic emission method. The data deposited in the repository were compressed into 2 folders (post-buckling analysis and buckling analysis) in *.zip format and has been saved in *.csv, *.ods, *.tiff, *.txt formats The data included relate to the obtained bifurcation loads, bifurcation curves for the tested materials.