RESEARCH ON THE BEARING CAPACITY FORMULA OF CONCRETE-FILLED SQUARE STEEL TUBULAR COLUMN

Du Chuang; Yang Xiaoming; Wei Shaowu; Du Zitao

doi:10.13204/j.gyjz2001407032

Volume 44 Issue 07

Jan. 2015

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WANG Wenxu, ZHANG Yingshuo, CHEN Hui, CHENG Chuo, LI Zucheng, ZHANG Fengliang. Experimental and Numerical Analysis Study on the Influence of Environmental Factors on the Temperature Changes of Mass Concrete[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(7): 223-231. doi: 10.3724/j.gyjzG23071013

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Du Chuang, Yang Xiaoming, Wei Shaowu, Du Zitao. RESEARCH ON THE BEARING CAPACITY FORMULA OF CONCRETE-FILLED SQUARE STEEL TUBULAR COLUMN[J]. INDUSTRIAL CONSTRUCTION, 2014, 44(07): 155-158. doi: 10.13204/j.gyjz2001407032

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RESEARCH ON THE BEARING CAPACITY FORMULA OF CONCRETE-FILLED SQUARE STEEL TUBULAR COLUMN

doi: 10.13204/j.gyjz2001407032

Publish Date: 2014-07-20

Abstract

Abstract

Based on the restraint characteristic of concrete-filled steel square tubular ( CFST) column，core concrete area is divided into the strong restraint area and the weak restraint area． A formula is derived for estimating the bearing capacity of square CFST column by analogy RC column with spiral stirrup． The proposed formula is compared with the experiment results， the computing results of square CFST column formula agree well with the experimental results．
- concrete-filled steel square tubular column,
- bearing capacity,
- spiral stirrup

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