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Static Analysis on Performance of Tube in Tube Structures Subjected to Lateral Loading

MADEEHA BANU¹, SHANTHI VENGADESHWARI²

¹Student, Department of Civil Engineering, Dayanand Sagar College of Engineering, Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru, Karnataka 560078, India

² Professor, Department of Civil Engineering, Dayanand Sagar College of Engineering, Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru, Karnataka 560078, India

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Abstract - tubular structure is a common feature in tall buildings. Tubular structures include frame tube, braced tube, tube in tube, bundled tube structures, outrigger-belt truss . The concept of tubular structure is that the building can be designed to resist lateral loads by designing it like a hollow cantilever perpendicular to the ground. Tube in tube structures are better compared to other tubular systems because it has less storey shear, storey displacement, storey drift. For obtaining better results X Bracings and outrigger truss can be used in tube in tube structures. In this study we will see the effect of X Bracing, bundled tube, outrigger-belt truss and different Shape of tube in tube on structures by comparing tube in tube structures with and without X bracing, with and without outrigger.

Key Words: tube in tube, bundled tube structures, outrigger-belt truss