ISSN Print: 2472-9558  ISSN Online: 2472-9566
International Journal of Civil Engineering and Construction Science  
Manuscript Information
 
 
Parametric Study on the Lateral Load Carrying Capacity of CFST Columns
International Journal of Civil Engineering and Construction Science
Vol.4 , No. 5, Publication Date: Jan. 11, 2018, Page: 57-66
457 Views Since January 11, 2018, 320 Downloads Since Jan. 11, 2018
 
 
Authors
 
[1]    

Raghabendra Yadav, College of Civil Engineering, Fuzhou University, Fuzhou, China.

[2]    

Baochun Chen, College of Civil Engineering, Fuzhou University, Fuzhou, China.

[3]    

Huihui Yuan, College of Civil Engineering, Fuzhou University, Fuzhou, China.

[4]    

Subhash Pantha, College of Transportation and Civil Engineering, Fujian Agriculture and Forestry University, Fuzhou, China.

 
Abstract
 

Use of Concrete filled steel tube (CFST) columns are increasing in civil engineering structures due to its abundant structural benefits like excellent seismic behaviour, ultimate load bearing capacity, fire resistivity, excellent ductility and energy absorption capacity, especially in zones of high seismic risk. Numerical study on seismic behaviour of CFST columns are presented in this paper. OpenSEES is used to model the CFST columns. Changing the different parameters like diameter-to-thickness ratio (D/t) ratio, steel grade, concrete grade, slenderness ratio and axial force ratio lateral load carrying capacity of CFST columns under cyclic load is investigated. Results shows that the lateral load capacity significantly increased by D/t ratio, increase in steel grade and decrease in slenderness ratio and noticeable increase due to increase of concrete grade and decrease in axial force ratio.


Keywords
 

CFST, Seismic Behaviour, Parametric Study, Cyclic Load, Hysteresis Behaviour


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