• Kajol Priya
• Kailash Narayan
• Ekta

Concrete filled steel tube (CFST) is gaining more popularity in present time in construction area, mainly due to its simple construction sequence and superior structure performance. Concrete-filled double skin tube (CFDST) is a creative innovation of steel-concrete composite construction, formed by two concentric steel tubes separated by a concrete filler. Composite-steel-concrete construction has become a widespread solution in modern construction. It ideally combines the advantages of both steel and concrete , namely fast construction , high strength and light weight of steel together with inherent mass, stiffness, damping and economy of concrete. In this paper we study the seismic behaviour of (G+19) storey tall building situated in Zone IV through Response spectrum analysis method using ETAB-2017 software. The main focus of the study is to evaluate the performance of building with CFST (concrete filled steel tube) columns and CFDST(concrete –filled double skin tube) columns under seismic loading considering two different models i.e RCC building with Circular CFST columns and RCC building with Circular CFDST columns. For this analysis structural members considered in both models are of same cross section area and both structures are designed for same loading conditions. The main objective of this paper is to find out the best among the two considered sections of concrete filled steel tube(CFST) column and concrete-filled double skin tube(CFDST) column in terms of seismic response and compare their seismic parameters (stiffness, storey displacement etc) .

Concrete Filled Steel Tubular Column, Seismic Behavior, Response Spectrum Method, ETAB-2017

"Seismic Analysis of Building with CFST and Concrete-Filled Double Skin Tubular Columns", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 6, page no.660-665, June 2019, Available :http://www.jetir.org/papers/JETIR1907552.pdf

"Seismic Analysis of Building with CFST and Concrete-Filled Double Skin Tubular Columns", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 6, page no. pp660-665, June 2019, Available at : http://www.jetir.org/papers/JETIR1907552.pdf