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Bond behaviour in concrete-filled stainless steel hollow sections
TAO Zhong 1 * #,Han Linhai 2
1.College of Civil Engineering, Fuzhou University, Fuzhou 350108
2.Department of Civil Engineering, Tsinghua University, Beijing 100084
*Correspondence author
#Submitted by
Subject:
Funding: 高等学校博士学科点专项科研基金（No.200803860005）
Opened online: 7 February 2012
Accepted by: none
Citation: TAO Zhong,Han Linhai.Bond behaviour in concrete-filled stainless steel hollow sections[OL]. [ 7 February 2012] http://en.paper.edu.cn/en_releasepaper/content/4463358
 
 
This paper studies the bond strength between the stainless steel tube and concrete in concrete-filled stainless steel tubes (CFSST). Push-out tests were conducted to compare the bond strength in CFSST columns with that of reference specimens with carbon steel tubes. The test results indicate that the internal surface of a stainless steel tube is usually smoother than that of a carbon steel tube. For this reason, when stainless steel was used to replace carbon steel, significant decrease in bond strength was observed. From the current test results, it is recommended that suitable measures need to be taken to increase the bond strength if the column size is very large and/or the concrete has a high shrinkage potential.
Keywords:Structural Engineering; Concrete-filled steel tubes; Stainless steel; Bond strength; Push-out
 
 
 

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