Numerical model for deterioration behavior caused by local buckling of cold press-formed square hollow section columns

被引：0

作者：

Taniguchi K. ^{[1
]}

Koetaka Y. ^{[2
]}

Chan I. ^{[3
]}

Tanaka K. ^{[2
]}

机构：

[1] Nikken Sekkei LTD., Kyoto Univ.

[2] Dept. of Architecture and Architectural Engineering, Kyoto Univ.

[3] Dept. of Advanced Engineering, Nagasaki Univ.

来源：

Journal of Structural and Construction Engineering | 2019年 / 84卷 / 766期

关键词：

Cold press-formed SHS column; Finite element analysis; Hysteresis characteristics; Local buckling; Multi-spring model;

D O I：

10.3130/aijs.84.1577

中图分类号：

学科分类号：

摘要：

In order to simulate deterioration behavior of cold press-formed square hollow section (SHS) columns, procedure to build up numerical model, called as multi-spring model, is proposed in this paper. Following regulations are considered for modeling; differences of material properties between flat area and corner area, hysteresis curve after local buckling, and transformation of plastic deformation considering with equivalence of plastic dissipation energy in the entire either plastic region or local buckling region. From comparison between multi-spring model and either finite element model or experiment, it is clarified that the proposed model is valid for simulating deterioration behavior of SHS columns. © 2019 Architectural Institute of Japan. All rights reserved.

引用

页码：1577 / 1587

页数：10

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