scholarly journals Experimental Study on Shear strength of Rock-Concrete Interface at Different Ages

2021 ◽  
Vol 668 (1) ◽  
pp. 012054
Author(s):  
Chao Gao ◽  
Zhaoqing Zhu ◽  
Shijun Ding ◽  
Siyu Ji
Keyword(s):  
Experimental Study ◽  
Shear Strength ◽  
Different Ages ◽  
Concrete Interface

scholarly journals Crestbond shear connectors for load transfer in concrete filled tube columns

2018 ◽  
Vol 11 (5) ◽  
pp. 960-965
Author(s):  
O. P. AGUIAR ◽  
R. B. CALDAS ◽  
F. C. RODRIGUES ◽  
R. H. FAKURY ◽  
G. S. VERÍSSIMO
Keyword(s):  
Mechanical Properties ◽  
Experimental Study ◽  
Numerical Modeling ◽  
Shear Strength ◽  
Load Transfer ◽  
Steel Plate ◽  
Composite Beams ◽  
Shear Transfer ◽  
Shear Connectors ◽  
Concrete Interface

Abstract This paper presents an experimental study with numerical modeling of Crestbond shear connectors in concrete filled tube columns. The Crestbond, which consists in a steel plate with regular cuttings, was originally conceived for composite beams and is now being proposed as an alternative device for load introduction and shear transfer at the steel-concrete interface in concrete filled tube columns. The results achieved in this work were very favorable to the new application proposed for the connector as high values of shear strength were obtained. Moreover, the numerical and experimental results enabled comparative analysis and investigations regarding the influence of concrete conditions and the geometry of the column section on the mechanical properties of the connector.

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