|Table of Contents|

Study on axial compression performance for L-shaped steel column with corrugated plate(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2025年04期
Page:
76-82
Research Field:
建筑结构
Publishing date:

Info

Title:
Study on axial compression performance for L-shaped steel column with corrugated plate
Author(s):
BAI Zhengxian1; 2;  LI Guangfei1;  JIANG Ziqin1; 2;  NIU Ziyao1;  WANG Liuhaoxiang1
(1.College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China; 2.Beijing Engineering Research Center of High-rise and Large-span Prestressed Steel Structure, Beijing University of Technology, Beijing 100124, China)
Keywords:
steel structure;  L-shaped column;  corrugated plate;  axial compressive stability;  numerical simulation
PACS:
TU391
DOI:
10.19815/j.jace.2024.01021
Abstract:
In order to improve the overall stability and material utilization of traditional L-shaped steel column, a new type of L-shaped steel column with corrugated plate was proposed, which was composed of I-shaped steel, corrugated plate and outer flange plate three parts. In order to study the axial compressive performance of the column and the influence characteristics of various section parameters, 6 models were designed and elastic buckling and nonlinear analysis were carried out by finite element software ABAQUS. The buckling modes, load-displacement curves, failure characteristics of models, as well as the relationship between the changing rate of key performance indicators such as overall stability coefficient and ultimate load and the rate of change of section parameters were studied. The overall stability coefficient of each model was compared with column curves of the current Standard for Design of Steel Structures. The results show that the buckling modes of the L-shaped steel columns with corrugated plate are all flexural torsional buckling. The stability coefficients are all bigger than that of class b cross-section column curve. The compressive performance increases with the increase of the areas of the outer flange plate and I-shaped steel flange and weakens with the increase of I-shaped steel web area.

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Last Update: 2025-07-10