APPLICATION OF REINFORCING RIBS IN LARGE WPT RATIO CONCRETE FILLED SQUARE STEEL TUBES

Cheng Rong Wang Zhihao Shi Xiaoyan

doi:10.13204/j.gyjz200801025

Volume 38 Issue 1

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Cheng Rong Wang Zhihao Shi Xiaoyan, . APPLICATION OF REINFORCING RIBS IN LARGE WPT RATIO CONCRETE FILLED SQUARE STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(1): 100-102. doi: 10.13204/j.gyjz200801025

Citation:

Cheng Rong Wang Zhihao Shi Xiaoyan, . APPLICATION OF REINFORCING RIBS IN LARGE WPT RATIO CONCRETE FILLED SQUARE STEEL TUBES[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(1): 100-102. doi: 10.13204/j.gyjz200801025

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APPLICATION OF REINFORCING RIBS IN LARGE WPT RATIO CONCRETE FILLED SQUARE STEEL TUBES

doi: 10.13204/j.gyjz200801025

Cheng Rong Wang Zhihao Shi Xiaoyan,

1.
Department of Civil Engineering,Tsinghua University Beijing 100084

Received Date: 2006-02-25
Publish Date: 2008-01-20

Abstract

Abstract

When the W/t ratio is large in square concrete filled steel tubes, the part disability of the section due to local buckling of steel plates should be considered. Reinforcing ribs can help to solve this problem. The buckling coefficient k is analyzed by varying diameters of the steel plate with ribs, and the influence of the dimension of the reinforcing ribs is obtained. Two conditions should be satisfied when choosing ribs. The process and checking method of arranging the ribs in large W/t ratio columns are also given.
- reinforcing ribs,
- W/t,
- ratio,
- buckling coefficient