Detail publikačního výsledku

USING OF VARIOUS STEEL GRADES FOR STRENGTHENING OF STEEL COLUMNS UNDER LOAD

VILD, M.; BAJER, M.

Originální název

USING OF VARIOUS STEEL GRADES FOR STRENGTHENING OF STEEL COLUMNS UNDER LOAD

Anglický název

USING OF VARIOUS STEEL GRADES FOR STRENGTHENING OF STEEL COLUMNS UNDER LOAD

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

Strengthening of steel columns means increasing of cross-sectional area, which can be achieved by welded plates. Strengthening is often considered for historical buildings with steel which is no longer produced. The strength of welded plates must therefore vary from the strength of the base column. The most feasible is strengthening under load, i.e. welding without unloading the structure, at least from self-weight. The behavior of columns with cross-section HEA 100 strengthened by various steel grades under load is investigated by finite element analysis in ANSYS software using shell elements. The results show that using higher steel grade for welded plates than that of a base column is useful only for columns with low slenderness. Columns HEA 100 with relative slenderness about 1.4 are affected the most by the preload, i.e. the load under which the column was strengthened. The decrease in load resistance is also more significant for columns strengthened using plates of higher steel grade.

Anglický abstrakt

Strengthening of steel columns means increasing of cross-sectional area, which can be achieved by welded plates. Strengthening is often considered for historical buildings with steel which is no longer produced. The strength of welded plates must therefore vary from the strength of the base column. The most feasible is strengthening under load, i.e. welding without unloading the structure, at least from self-weight. The behavior of columns with cross-section HEA 100 strengthened by various steel grades under load is investigated by finite element analysis in ANSYS software using shell elements. The results show that using higher steel grade for welded plates than that of a base column is useful only for columns with low slenderness. Columns HEA 100 with relative slenderness about 1.4 are affected the most by the preload, i.e. the load under which the column was strengthened. The decrease in load resistance is also more significant for columns strengthened using plates of higher steel grade.

Klíčová slova

Steel; Flexural buckling; Column; Varying steel grade; Finite element analysis.

Klíčová slova v angličtině

Steel; Flexural buckling; Column; Varying steel grade; Finite element analysis.

Autoři

VILD, M.; BAJER, M.

Rok RIV

2020

Vydáno

16.10.2019

Nakladatel

University of Coimbra, INESC‐C, Portugal

Místo

Coimbra

ISBN

9789892098388

Kniha

3rd International Conference on Recent Advances in Nonlinear Design Resilience and Rehabilitation of Structures

Strany od

177

Strany do

186

Strany počet

10

URL

https://www.dec.uc.pt/corass2019/downloads/CoRASS2019_proceedings.pdf

BibTex

@inproceedings{BUT159409,
  author="Martin {Vild} and Miroslav {Bajer}",
  title="USING OF VARIOUS STEEL GRADES FOR STRENGTHENING OF STEEL COLUMNS UNDER LOAD",
  booktitle="3rd International Conference on Recent Advances in Nonlinear Design Resilience and Rehabilitation of Structures",
  year="2019",
  pages="177--186",
  publisher="University of Coimbra, INESC‐C, Portugal",
  address="Coimbra",
  isbn="9789892098388",
  url="https://www.dec.uc.pt/corass2019/downloads/CoRASS2019_proceedings.pdf"
}