steel concrete composite building is more ductile than RCC building. under what basis it have more ductile nature.
IF YOU SEE THE STRESS-STRAIN CURVE FOR STEEL AND CONCRETE, YOU WILL FIND THAT FAILURE OF STEEL IS NOT SUDDEN, IT'S GRADUAL. WHERE AS CONCRETE IS A BRITTLE MATERIAL, IT'S FAILURE IS SUDDEN. HOPE THIS CLARIFIES YOUR DOUBT.
There are different parameters by which we can quantify ductility. The attached publication has a brief overview of the subject.
Conference Paper Ductility of FRP reinforced RC structures: A critical review...
beside the concept of the ductility of the material itself , for the building (in the global scale) the connection ability to resist rotations and displacements is also important.
well ductility depends on some basic parts: 1.ductility of materials 2.type of resisting frame 3.configurations of elements 4.connections 5.section of element (which I shapes are the best) and others
Please check references below.. hope it will be helpful for you…
Regards…
https://www.sefindia.org/?q=system/files/Ductility-1.pdf
http://www.bipcons.ce.tuiasi.ro/Archive/164.pdf
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