Experimental study on the strength and ductility of steel tubular columns filled with steel-reinforced concrete

2004 ◽  
Vol 26 (7) ◽  
pp. 907-915 ◽  
Author(s):  
Qingxiang Wang ◽  
Dazhou Zhao ◽  
Ping Guan

The composite structural element under study is a carbon fiber wrapped, steel I section reinforced concrete column. The wrapped CFRP is under tension and reinforced concrete under radial compression. The aim of the research is to determine the behavior of the composite structural element under axial loads. The Stress-strain characteristics and load bearing capacity of control and CFRP wrapped tubular columns were determined experimentally. Further, Finite element analysis of steel, reinforced concrete and CFRP wrapped concrete columns sections, was conducted using ANSYS Workbench 15.0 software. The experimental and analytical results were compared.


2013 ◽  
Vol 405-408 ◽  
pp. 952-957
Author(s):  
Ying Zi Yin ◽  
Yan Zhang ◽  
Gen Tian Zhao

Abstract:In order to study Force Performance of new column, the paper describes and presents the results of nine stub-column tests performed on partially encased composite columns made with welded H-section steel. The test studies effect of column about ultimate strength in s steel ratio, wide-thickness ratio of wing, Space of Horizontal bar. Through anglicizing, ultimate strength of short column under axial compression in different steel ratio; influenced factors of ultimate strength of short column and directly effected column about ultimate strength.


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