International Journal of Science, Engineering and TechnologyAuthors: Madhusudan Dubey, Murlidhar Chourasia, Dr. Rahul Kumar Satbhaiya
Abstract: This review paper provides a synthesis of the experimental, analytical and computational studies that have been published in the last 30 years concerning floating-column structural systems with particular emphasis on seismic performance, transfer-beam performance, compliance with the IS-codes and economic considerations.Laboratory studies and finite-element studies have shown that floating columns can produce lateral displacements 80 to 101% greater than equivalent regular columns; bending moments in the transfer columns can be increased by 200-362% due to the presence of floating columns, and design base shear can be increased by 20-30% due to floating columns compared to equivalent regular columns. In Floating Column building the bending moment of the transfer beam is in the ratio of 4-7 compared to equivalent regular beam, which needs special detailing of deep beams as per IS 456: 2000 and IS 13920: 2016. The structural cost premium is 14-20% as per zone and height of building. Research areas include non-linear time-history analysis, integration with base-isolation, machine-learning and transfer system optimisation and performance-based seismic design (PSD) in higher seismic zones (PSD III-V).
