Abstract
Base isolation systems are built to withstand significant ground vibrations during maximum assessed earthquakes. A novel material called Shape Memory Alloy (SMA) was added to the damping system to increase the performance of isolation bearings and reduce residual deformation. SMAs are effective materials that are capable of being loaded or heated and then restored to their initial state and preset. The investigation begins with a cyclic load test utilizing the ANSYS 2023R1 software on individual steel plate damping systems that include both shape memory alloys and structural steel (SS) for U-shaped dampers. Evaluation of damping systems using SMAs and structural steel at two different radii of 85.75 mm and 116 mm was done. Under cyclic loading, U-shaped dampers can sustain significant vertical loads from the superstructure. UDs mostly lose energy through hysteresis behaviour. The findings demonstrate that great performance was seen for SS UD with an enlarged radius and SMA UD with a decreased radius. SMA UD's hysteresis loop displayed the greatest amount of energy loss and spring action.
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