| Issue |
MATEC Web Conf.
Volume 279, 2019
10th International Scientific Conference Building Defects (Building Defects 2018)
|
|
|---|---|---|
| Article Number | 02009 | |
| Number of page(s) | 6 | |
| Section | Mechanical and Materials Engineering | |
| DOI | https://doi.org/10.1051/matecconf/201927902009 | |
| Published online | 12 April 2019 | |
Experimental study of zone of yield strength on corroded construction steel specimens for reuse
1
Technical University of Sofia, “Strength of materials” Department, 8 Kl. Ohridski blvd. 1000 Sofia, Bulgaria
2
Technical University of Sofia, “Microelectronics” Department, 8 Kl. Ohridski blvd. 1000 Sofia, Bulgaria
Corresponding author: ansh@tu-sofia.bg
Zone of yield strength is a part of stress-strain diagram on steel. In this zone is located an upper and lower yield strength points. These points are important for calculation and design of steel structures elements. When a structural element is corroded, its mechanical properties are changed i.e. changes the geometric characteristics, superficial defects appear and leads to structural changes of material. The facts unambiguously determine that in order to decide whether or not the corrosion element can be reuse, it is necessary to study the material and to determine the new values at the yield strength points. In order to legally make the necessary calculation in sizing and to judge for its reuse. The report studies a zone of yield strength on steel elements with corrosion. Experimental data was obtained, then processed using the stochastic method of processing empirically obtained data, and it was determined with sufficient probability the values to be used for calculation and design in practice.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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