Experimental Studies On Shear Connection Between Steel and Steel Fibered Concrete Using Studs
Engineering and Technology Journal,
2012, Volume 30, Issue 20, Pages 3536-3552
Abstract
This paper aims mainly to study the effects of using steel fiber in reinforcedconcrete parts of composite structural elements, which consist of two main parts, the
steel and concrete sections. Then to explain the effects of using the hooked ended steel
fibers on the load-slip relationship between concrete and steel parts of composite
structural elements.
The standard push-out test is a convenient and the only available method to define
this load-slip relation. There are five series of tests made on push – out test specimens
prepared for this purpose. These tests are containing various percentages of steel
fibers ( 0.0%, 0.5%, 1.0%, 1.5% and 2.0% ) by volume of concrete. The hooked ended
steel fiber with aspect ratio 100 were used in reinforced concrete parts of composite
structural elements, which consist of two main parts (the steel section and the concrete
section).
From the obtained results, an empirical non-linear equation was developed, to
calculate the shear stiffness for connectors at any amount of slip. This will give
information on the ultimate shear capacity of the shear connector, which were used in
the composite structures and the corresponding load-slip relationship.
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