[1]郑秀梅、李剑彬 、张铮、谈夏维.方管截面铝合金轴心受压构件力学性能研究[J].福建工程学院学报,2017,15(01):21-25.[doi:10.3969/j.issn.1672-4348.2017.01.005]
　Zheng Xiumei,Zhang Zheng,Li Jianbin,et al.Study on mechanical performance of box-section aluminium alloy members under axial compression[J].Journal of FuJian University of Technology,2017,15(01):21-25.[doi:10.3969/j.issn.1672-4348.2017.01.005]
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方管截面铝合金轴心受压构件力学性能研究()
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《福建工程学院学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第15卷
期数:
2017年01期
页码:
21-25
栏目:
出版日期:
2017-02-25

文章信息/Info

Title:
Study on mechanical performance of box-section aluminium alloy members under axial compression
作者:
郑秀梅、李剑彬 、张铮、谈夏维
福建工程学院
Author(s):
Zheng Xiumei;  Zhang Zheng;  Li Jianbin;  Tan Xiawei
College of Civil Engineering, Fujian University of Technology
关键词:
铝合金;  轴心受压构件;  方管截面;  稳定系数;  非线性有限元分析
Keywords:
aluminium alloy;  axially loaded member; box section; stability coefficient; nonlinear finite element analysis
分类号:
TU395
DOI:
10.3969/j.issn.1672-4348.2017.01.005
文献标志码:
A
摘要:
通过有限元软件ANSYS构建非线性数值模型，并利用现有试验数据进行模型准确性验证。分析了板件宽厚比、截面尺寸效应以及是否约束某一主轴方向位移对构件稳定承载力的影响，发现三者影响均可不予考虑。在大规模参数分析的基础上，本文建议对于6061-T6，几何缺陷系数中的两个参数分别取和，对于6061-T4建议取和。对比中、欧规范计算结果发现，该建议与试验及参数分析结果具有更好的吻合性，满足计算精度和安全度的工程设计要求。
Abstract:
To study the mechanical properties of box-section aluminium alloy members under axial loading, a non-linear numerical (finite element) model was constructed by finite element algorithm ANSYS. The model was verified by experimental data. The influences of the alloy member (plate) width to thickness ratio, the section size and the constraint of a principal axis displacement on the bearing capacity of the alloy members were analysed, showing that the influences of the three factors can be neglected. For alloy member 6061-T6, the geometric defect coefficient α=0.17 and λ=0.09 were obtained, and for 6061-T4, α=0.21 and λ=-0.14 were recommended. The results indicate that the proposed values are in agreement with the experimental and the parameter analysis results, which can meet the engineering design requirements of the calculation accuracy and safety.

参考文献/References:

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更新日期/Last Update: 2017-04-12