STRENGTHENING OF STEEL COLUMNS UNDER LOAD: DESIGN METHOD

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F18%3APU129617" target="_blank" >RIV/00216305:26110/18:PU129617 - isvavai.cz</a>
Result on the web
<a href="http://www.vsu.bg/conference/2018/files/prf1290.pdf" target="_blank" >http://www.vsu.bg/conference/2018/files/prf1290.pdf</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
STRENGTHENING OF STEEL COLUMNS UNDER LOAD: DESIGN METHOD
Original language description
The paper refers to the strengthening of steel columns under preload using welded plates. The design method developed in the scope of the author's dissertation thesis is introduced. Welding under load is a complicated task; the part of the cross-section is weakened by high temperatures. The resistance of the weakened column must be checked against the preload and the columns strengthened under load will have generally higher initial imperfection than regular built-up columns. After the welds cool, the welds induce significant residual stresses. The effect of increased imperfections and residual stresses should be taken into account in the design method. The design method was verified by experiments. The general recommendations are provided for the design of strengthening.
Czech name
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Czech description
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Type
J<sub>ost</sub> - Miscellaneous article in a specialist periodical
CEP classification
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OECD FORD branch
20102 - Construction engineering, Municipal and structural engineering

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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