A Review on Structural Control of Seismically and Wind Excited Structures
Abstract
In recent years, considerable attention has been paid to research and development of passive and active structural control devices, with particular emphasis on alleviation of wind and seismic response of buildings and bridges. In both areas, serious efforts have been undertaken to develop the structural control concept into a workable technology, and today we have many such devices installed in a wide variety of structures.Structural control is the control of structural vibrations produced by earthquake or wind or any other dynamic loading. Structural control is basically the modification of the properties of a structure in order to achieve a structurally desirable response to a given external load. Structural control can be done by various means such as modifying rigidities, masses, damping, or shape, and by providing passive or active counter forces.This review paper deals with the structural control of seismically and wind excited structure and elaborate the controls by structures to the building. The purpose of structural control is to absorb and to reflect the energy introduced by dynamic loads such as winds, waves, earthquake, and traffic. Today, the protection of civil structures from severe dynamic loading is typically achieved by allowing the structures to be damaged.
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