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2024 | OriginalPaper | Chapter

The Approximate Equation for Global Buckling Load of Grid Shell Domes

Authors : Baoxin Liu, Pei-Shan Chen, Jialiang Jin, Xiangdong Yan

Published in: Proceedings of the 3rd International Civil Engineering and Architecture Conference

Publisher: Springer Nature Singapore

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Abstract

The goal of this study is to propose an approximate equation to evaluate the global buckling load of dome grid shell. For considering the influence of overall stiffness for grid shells, the effective stiffness is defined according to past research. Different from conventionally mechanical methods, this study adopts regression analysis based on a software named “1stOpt” to forecast the relationship between buckling load factors \(\lambda\), geometric parameter and effective stiffness. Through the linear buckling analysis, the dome grid shell models with different geometric parameters, in a total of 1225 cases, are analyzed to build the relationship and establish the dataset. By inputting the dataset into the 1stOpt, a suitably approximate equation is fitted with high precision.

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Metadata
Title
The Approximate Equation for Global Buckling Load of Grid Shell Domes
Authors
Baoxin Liu
Pei-Shan Chen
Jialiang Jin
Xiangdong Yan
Copyright Year
2024
Publisher
Springer Nature Singapore
Book
Proceedings of the 3rd International Civil Engineering and Architecture Conference

Print ISBN: 978-981-9963-67-6

Electronic ISBN: 978-981-9963-68-3

Copyright Year: 2024

DOI
https://doi.org/10.1007/978-981-99-6368-3_24