Study on preloading reduction of ultimate load of circular concrete-filled steel tubular columns
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- 作者：Fuyun Huanga ; b ; c ; 1 ; Huangfuyun@fzu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Xinmeng Yub ; d ; Baochun Chenb ; Jianzhong Lia
- 关键词：CFST ; Concrete filled steel tube ; PR ; Preloading ratio ; SLENDERNESS ; Length diameter ratio ; ER ; Eccentricity ratio ; UL ; Ultimate load capacity ; RF ; Reduction factor
- 刊名：Thin-Walled Structures
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：98
- 期：part_PB
- 页码：454-464
- 全文大小：1286 K
文摘
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We explore that high preloading ratio decreases the UL of CFST columns up to 20%.
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We propose and verify the calculation methods on preloading reduction of UL.
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It is better to restrict the preloading ratio as less as possible in engineering.