Use of Multiple Tuned Mass Dampers for Controlling Vibration in Frame Structure

Abstract

Requirement of high-rise structure in construction industry is growing all over the world. These structures are construct light and flexible. Which have low damping value, makes them unsafe to undesirable vibration. This vibration due to wind and earthquake excitation creates problem to serviceability requirement of the structure and reduce structural integrity with possibilities of failure. Present time several techniques are used to reduce structural vibration induced due to wind and earthquake forces. With the increases demands for the safety, serviceability, durability, and reliability of structures. In this present study, for controlling vibration of frame structure Tuned mass dampers (TMD) are use. Tuned mass dampers known as to control the seismic response of high-rise buildings when subjected to earthquake generated ground motion. It is certainly going to regulate the natural frequencies and mode shapes. The efficiency of dampers is totally depend upon mass ratio and location of dampers. More particularly multiple tuned mass dampers are yet to be explore. Both single and multiple tuned mass dampers are analyzed with different aspect ratio of structure and various mass ratio of tuned mass dampers. Twenty-four structure have been modelled using ETABS. Response spectrum analysis has been carried out for different models in ETABS software. storey displacement, storey acceleration and model period Parameters used for study response of the structure when earthquake forces are applied.