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Response Spectrum — SDOF Peak Response

Sa(Tn, ζ) from TBDY 2018 design spectrum · Sd = Sa/ωn² · Sv = Sa/ωn · Peak SDOF force and displacement

Spectrum & SDOF

SDS (g) — TBDY 2018

SD1 (g)

ζ (damping ratio)

Tn (s)

m (kg)

R — response modification

R=1 for elastic

TA = 0.2·SD1/SDS (s)—

TB = SD1/SDS (s)—

Spectral region—

Sa(Tn) (m/s²)—

Sv = Sa/ωn (m/s)—

Sd = Sa/ωn² (m)—

Peak force = m·Sa/R (kN)—

TBDY 2018 §2.3Sa(T): Elastik tasarım spektrumu

Chopra §6.1Sd=Sa/ωn²; Sv=Sa/ωn — pseudo-spectra