EC8 Seismic Avoidance Criteria Calculator

Determine if seismic design is required according to Eurocode 8

Country:

Place:

Seismic Class:

Structure Life (years):

γ_I (Importance Factor):

Response Spectrum Type:

Ground Type:

a_gR (m/s²):

a_gR (from CSV): - m/s²

S (Soil Factor): 1.35 (from Table 3.3)

a_g (m/s²): 0.70

a_g·S (m/s²): 0.84

q (Behaviour Factor): (elastic: 1.0-1.5)

S_d Method:

Building Height h (m):

C_t Selection:

C_t:

T₁ (s): 0.84

S_d (m/s²): 2.10

EC8 Seismic Avoidance Calculator by Magnus Fjeld Olsen

Based on Eurocode 8 (EN 1998-1) standards