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İnternational Design Codes
ASCE 7-16 : 11.4.6 Horizontal Elastic Design Spectrum
TSC 2018 : Horizontal Design Response Spectrum
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Horizontal elastic design spectral accelerations Sa, The function of the Design Response Spectrum curve is specified in seismic design codes and spectral response acceleration parameters are used to create this function. In the Design Response Spectrum curve, the spectral accelerations corresponding to 1-s period and corner periods are used to determine these parameters.
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Horizontal Design Response Spectrum is used to consider earthquake effects that results in the largest maximum response to horizontal ground motions.
A standard response spectrum curve defined in seismic codes is defined as follows.
For periods less than smaller Tcorner, the design spectral response acceleration, S, shall be taken as as a linear function.
For periods greater than or equal to small Tcorner value and less than or equal to greater Tcorner value the design spectral response acceleration, S, shall be taken as equal to maximum spectral response acceleration.
For periods greater than or equal to graeter Tcorner value the design spectral response acceleration, S, shall be taken as a fuction of T and spectral response acceleration parameters.
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