E3S Web of Conf.
Volume 410, 2023XXVI International Scientific Conference “Construction the Formation of Living Environment” (FORM-2023)
|Number of page(s)
|Reliability of Buildings and Constructions
|09 August 2023
Compression test results of CFS structural members
Industrial University of Tyumen, Department of Building structures, 625000 Volodarsky str., 38, Tyumen, Russia
* Corresponding author: email@example.com
The subject of the study is the stress-strain state of a cold-formed steel structural members under axial compression. The aim is to experimentally study the behavior of a sample from a cold-formed thin-walled profile in axial compression with stress control. A mechanical method was used to test compression samples on a universal testing machine, a strain gauge method for measuring relative deformations by strain gauges with data collection in the registration unit. The processing of the test results was carried out using the methods of the theory of elasticity. As a result of the tests carried out, a qualitative picture of the deformation of the sample was obtained, the values of relative deformations at specific points of the cross sections of the sample; as a result of processing the data obtained, the main normal stresses at the points of the cross sections of the element were determined. As conclusions, an assessment of the reliability of the results obtained based on the nonlinear theory of plates is given; a conclusion is made about the inapplicability of the strain gauge method to the analysis of the behavior of thin-walled steel profiles. A promising study is the study of fields of relative deformations by non-contact optical methods.
© The Authors, published by EDP Sciences, 2023
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