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How do the different periods of seismic excitation of the ground affect the design of buildings? 


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The different periods of seismic excitation of the ground have a significant impact on the design of buildings. The response of a structure to seismic forces is influenced by the type of soil as well as the type of structure . The movement of the ground structure system is affected by the soil properties as seismic waves pass through a soil layer . The ratio between the ground predominant period and the structure fundamental period plays a crucial role in the damping reduction factor used for seismic design . Additionally, the seismic loads on a structure are strongly dependent on the local ground conditions, such as the equivalent shear wave velocity and the predominant period of the site . Therefore, considering the different periods of seismic excitation is essential for designing buildings that can withstand earthquakes and ensure the desired seismic performance .

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The ratio between the ground predominant period and the structure fundamental period significantly influences the damping reduction factor and may affect the design of buildings.
The different periods of seismic excitation of the ground affect the design of buildings by influencing the seismic loads and performance-based seismic design.
The text does not provide information about how different periods of seismic excitation affect the design of buildings.
The paper does not provide information on how different periods of seismic excitation affect the design of buildings.
The paper does not specifically mention the effect of different periods of seismic excitation on the design of buildings.

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