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
Citation:
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
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
Citation:
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
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．
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