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ISSN 2063-5346
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EFFECT OF VARIATION IN STIFFNESS OF TRANSFER GIRDER ON STIFFNESS OF FRAME FLOATING FROM IT

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NEELKANTH D. JOSHI, DR. M. M. MURUDI, ANKIT M. ASHER, AMAR D. SHAH
» doi: 10.48047/ecb/2023.12.si4.583

Abstract

Most of the international codes requires uniformity of the stiffness in the frame to resist lateral forces. I.S.1893 :2016 (Part 1) (Sixth Revision) requires equal or more stiffness of lower storey than the storey above. For the ease in vehicular moments often basements are made column free and the columns of above structure are floated from transfer girders as per planning requirement. An analytical study is made here to understand variation of stiffness of frame in accordance with variation of stiffness of transfer girder through which it is floated from. Results indicate the soft storey condition of a frame founded from foundation remains unchanged when the same frame is floated from transfer girder with variation in stiffness of transfer girder and placement of frame on it.

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