RESEARCH ON THE BEARING CAPACITY OF THE IN-LINE WALL OF THE STRUCTURE OF STAINLESS STEEL SANDWICH PANEL UNDER AXIAL COMPRESSION

CHEN Dachuan; JIANG Yuchun; SHU Xingping; TAN Yongqiang

doi:10.13204/j.gyjz202002008

Volume 50 Issue 2

Feb. 2020

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CHEN Dachuan, JIANG Yuchun, SHU Xingping, TAN Yongqiang. RESEARCH ON THE BEARING CAPACITY OF THE IN-LINE WALL OF THE STRUCTURE OF STAINLESS STEEL SANDWICH PANEL UNDER AXIAL COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(2): 51-58. doi: 10.13204/j.gyjz202002008

Citation:

CHEN Dachuan, JIANG Yuchun, SHU Xingping, TAN Yongqiang. RESEARCH ON THE BEARING CAPACITY OF THE IN-LINE WALL OF THE STRUCTURE OF STAINLESS STEEL SANDWICH PANEL UNDER AXIAL COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(2): 51-58. doi: 10.13204/j.gyjz202002008

Citation:

CHEN Dachuan, JIANG Yuchun, SHU Xingping, TAN Yongqiang. RESEARCH ON THE BEARING CAPACITY OF THE IN-LINE WALL OF THE STRUCTURE OF STAINLESS STEEL SANDWICH PANEL UNDER AXIAL COMPRESSION[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(2): 51-58. doi: 10.13204/j.gyjz202002008

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RESEARCH ON THE BEARING CAPACITY OF THE IN-LINE WALL OF THE STRUCTURE OF STAINLESS STEEL SANDWICH PANEL UNDER AXIAL COMPRESSION

doi: 10.13204/j.gyjz202002008

1. College of Civil Engineering, Hunan University, Changsha 410082, China;
2. Broad Sustainable Built Technology Co., Ltd., Yueyang 414600, China

Received Date: 2019-06-20

Abstract

Abstract

The in-line wall of the structure of stainless steel sandwich panel is a cross-shaped member composed of two stainless steel panels and orthogonally arranged stainless steel core tube. The connection between the core tube and the panel is brazed by copper. In the paper, the bearing capacity of in-line wall of stainless steel sandwich panel under axial compression was studied, and the calculation formula of the bearing capacity under axial compression was proposed. Firstly, the finite element eigenvalue buckling analysis was carried out, and the formula for calculating the elastic buckling load of the wall and the corresponding regularized aspect ratio λ_n was obtained. Through the finite element non-linear analysis, the influence of the thickness of the panel, the aspect ratio, the outer diameter of the core tube, the wall thickness of the core tube and the distribution distance of the core tube on the bearing capacity of the axially compressed in-line wall of stainless steel sandwich panel was analyzed, and the stability coefficient φ of the axial compression was obtained, as well as φ-λ_n curve of stability by design; three sets of the in-line wall of specimens stainless steel sandwich panel were designed, and the axial compressive bearing capacity was tested. The test results, finite element analysis results and design formulas were in good agreement. The safety of the calculation formula for the axial compressive bearing capacity of the in-line wall of the structure of stainless steel sandwich panel were verified.
- the structure of stainless steel sandwich panel,
- in-line section,
- axial compression,
- design of bearing capacity

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References(16)

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