Elliptical hollow sections (EHS) have been recently introduced to the construction market. However, in the current Eurocode standard for steel structures EN 1993-1-1, there are no design criteria defined for EHS. The aim of this paper is to present a comparative numerical analysis of behaviour of cold-formed and hot-finished EHS columns exposed to flexural buckling under pure axial compression. Pin-ended columns of various slendernesses without lateral restrains and with incorporated geometrical imperfections are analysed. Material nonlinear behaviour is included through experimental tensile test results adopted from previous researches. According to obtained numerical results, similar buckling behaviour is observed for both hot-finished and cold-formed columns of higher slenderness, while in the lower slenderness region, cold-formed compressed members tend to lower buckling curves.
TY - CONF
AU - Jakovljević, Isidora
AU - Marković, Zlatko
AU - Dobrić, Jelena
PY - 2018
UR - http://grafar.grf.bg.ac.rs/handle/123456789/1627
AB - Elliptical hollow sections (EHS) have been recently introduced to the construction market. However, in the current Eurocode standard for steel structures EN 1993-1-1, there are no design criteria defined for EHS. The aim of this paper is to present a comparative numerical analysis of behaviour of cold-formed and hot-finished EHS columns exposed to flexural buckling under pure axial compression. Pin-ended columns of various slendernesses without lateral restrains and with incorporated geometrical imperfections are analysed. Material nonlinear behaviour is included through experimental tensile test results adopted from previous researches. According to obtained numerical results, similar buckling behaviour is observed for both hot-finished and cold-formed columns of higher slenderness, while in the lower slenderness region, cold-formed compressed members tend to lower buckling curves.
PB - Društvo građevinskih konstruktera Srbije, Beograd
C3 - ASES International congress proceedings / Association of Structural Engineers of Serbia, 15th Congress, September 6-8th, 2018, Zlatibor
T1 - Numerical evaluation of flexural buckling of hot-finished and cold-formed EHS columns
EP - 626
SP - 618
UR - conv_4378
ER -
@conference{
author = "Jakovljević, Isidora and Marković, Zlatko and Dobrić, Jelena",
year = "2018",
abstract = "Elliptical hollow sections (EHS) have been recently introduced to the construction market. However, in the current Eurocode standard for steel structures EN 1993-1-1, there are no design criteria defined for EHS. The aim of this paper is to present a comparative numerical analysis of behaviour of cold-formed and hot-finished EHS columns exposed to flexural buckling under pure axial compression. Pin-ended columns of various slendernesses without lateral restrains and with incorporated geometrical imperfections are analysed. Material nonlinear behaviour is included through experimental tensile test results adopted from previous researches. According to obtained numerical results, similar buckling behaviour is observed for both hot-finished and cold-formed columns of higher slenderness, while in the lower slenderness region, cold-formed compressed members tend to lower buckling curves.",
publisher = "Društvo građevinskih konstruktera Srbije, Beograd",
journal = "ASES International congress proceedings / Association of Structural Engineers of Serbia, 15th Congress, September 6-8th, 2018, Zlatibor",
title = "Numerical evaluation of flexural buckling of hot-finished and cold-formed EHS columns",
pages = "626-618",
url = "conv_4378"
}
Jakovljević, I., Marković, Z.,& Dobrić, J.. (2018). Numerical evaluation of flexural buckling of hot-finished and cold-formed EHS columns. in ASES International congress proceedings / Association of Structural Engineers of Serbia, 15th Congress, September 6-8th, 2018, Zlatibor
Društvo građevinskih konstruktera Srbije, Beograd., 618-626.
conv_4378
Jakovljević I, Marković Z, Dobrić J. Numerical evaluation of flexural buckling of hot-finished and cold-formed EHS columns. in ASES International congress proceedings / Association of Structural Engineers of Serbia, 15th Congress, September 6-8th, 2018, Zlatibor. 2018;:618-626.
conv_4378 .
Jakovljević, Isidora, Marković, Zlatko, Dobrić, Jelena, "Numerical evaluation of flexural buckling of hot-finished and cold-formed EHS columns" in ASES International congress proceedings / Association of Structural Engineers of Serbia, 15th Congress, September 6-8th, 2018, Zlatibor (2018):618-626,
conv_4378 .
