Volume 4, Issue 2-4 pp. 2062-2067

Original Article

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The Elastic Buckling Coefficient of a Rectangular Longitudinally Profiled (LP) Steel Plate with All Edges Simply-supported

Dongdong Xu,

Dongdong Xu

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

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Yuanqing Wang,

Corresponding Author

Yuanqing Wang

[email protected]

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

Correspondence: Dr. Yuanqing Wang, Tsinghua University, Dept. of Civil Engineering, Haidian district, Beijing, China, Email: [email protected]Search for more papers by this author

Huiyong Ban,

Huiyong Ban

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

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Xiaoling Liu,

Xiaoling Liu

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

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Ming Liu,

Ming Liu

Dept. of product Research & Development, Angang Steel Company Limited, Tiedong District, Anshan, China

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Dongdong Xu,

Dongdong Xu

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

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Yuanqing Wang,

Corresponding Author

Yuanqing Wang

[email protected]

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

Correspondence: Dr. Yuanqing Wang, Tsinghua University, Dept. of Civil Engineering, Haidian district, Beijing, China, Email: [email protected]Search for more papers by this author

Huiyong Ban,

Huiyong Ban

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

Search for more papers by this author

Xiaoling Liu,

Xiaoling Liu

Dept. of Civil Engineering, Tsinghua University, Haidian District, Beijing, China

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Ming Liu,

Ming Liu

Dept. of product Research & Development, Angang Steel Company Limited, Tiedong District, Anshan, China

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First published: 01 September 2021

https://doi.org/10.1002/cepa.1522

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Abstract

The longitudinally profiled (LP) steel plate is a steel plate that having a special longitudinal shape which is continuously changed in the rolling direction by a special rolling process. It has many advantages, such as reducing the weight of structure, decreasing the number of the weld seem and improving seismic performance, which has widely application in ships, bridges and other areas. It will have broad application in the field of bridges construction in China. However, the local stability of the LP plate is less investigated in recently years. In this paper, the energy method was used to study about elastic buckling coefficient of a rectangular LP steel plate with all edges simply supported. Based on the Galerkin and Rayleigh-Ritz method (GRM), the elastic buckling coefficient was obtained by transforming into a method that to solve the eigenvalues of the feature matrix. the result was verified by FEA method. And the curves of the elastic buckling coefficient with the relevant parameters such as aspect ratio and thickness change rate will be giving.

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