STUDY OF SESMIC BEHAVIOUR OF MULTISRORIED BUILDING WITH TUBE IN TUBE STRUCTURE UNDER LATERAL LOADS
Mohd Tafheem uddin
P.G. Student, Department of Civil Engineering, Lords Institute of Engineering and Technology, Hyderabad, India , IN
Faria Aseem
P.G. Student, Department of Civil Engineering, Lords Institute of Engineering and Technology, Hyderabad, India , IN
Mohammad Ismail khan
P.G. Student, Department of Civil Engineering, Lords Institute of Engineering and Technology, Hyderabad, India , IN
Keywords: tube in tube, shear wall, shear, drift, displacement, torsion
Abstract
In this thesis presenting the effect of lateral forces on tube-in-tube structure. Logical and safe design of taller structure is done efficiently by the advancement of 3d structural analysis. Over the past few years tabular structures most common in the construction of high rise buildings, among all the structural systems tube in tube is more suitable for tall buildings .Tube-in-tube structure comprises of inner core tube and outer periphery which is connected by floor slab. The outer periphery acts like tube as core tube which is in the middle of structure. According to is 1893-2002 equivalent static analysis is done for the performance of 10 story building. In reinforce concrete building, the presence of shear wall contribute large stiffness to resisting the sesmic and wind loads. During strong earthquake ductile behavior of the structure is due to improper detailing of shear walls. Shear wall area ratio influence the behavior of sesmic forces on buildings. Thus an analytical study is performed to evaluate the effect of share wall by the sesmic forces on rein forced concrete structures in tube-in-tube structures. In this study 3 models are considered.model.is having regular structure and in the second model shear walls are provided at the corners and in the third model columns are are closely spaced around the periphery of the building. all seismic parameters such as base shear ,drift, displacement, torsion are compared between all the models.all the structures are analysed by using E-TABS.
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