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Test-supported numerical analysis for evaluation of the load capacity of thin-walled corrugated profiles

Piekarczuk A.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2017

Vol. 65, nr 6

791--798

The paper concentrates on a quantitative evaluation of the load capacity of thin-walled, curved steel profiles used as arched roofs in building structures. Corrugation of a profile surface formed by cold rolling changes its load capacity as compared to thin-walled profiles. The paper presents a comparative evaluation of the influence of a sample profile corrugation on its ability to transfer internal forces. The results of the study are presented as limit curves describing load capacity at simultaneous bending and compression. The analysis was conducted using a numerical computational method supported by a study of elements in natural scale. The paper presents a methodology of test-supported calculations and guidelines for practical use by designers.