Table 1 Statistical information of random parameters.
From: Global sensitivity analysis of structural seismic demand based on information entropy
Random parameters | Units | Symbol | Distributions | Means | Variation coefficients | References |
|---|---|---|---|---|---|---|
Compressive strength of concrete | MPa | fc | Normal | 34.82 | 0.14 | |
Modulus of elasticity of concrete | MPa | Ec | Normal | 33,904 | 0.08 | |
Modulus of elasticity of steel | MPa | Es | Normal | 228,559 | 0.033 | |
Yield strength of steel rebars | MPa | fy | Lognormal | 384 | 0.078 | |
Structural damping ratio | ζ | Normal | 0.055 | 0.2 | ||
Stiffness of viscous damper | kN·mm− 1 | k | Normal | 100 | 0.1 | |
Damping coefficient of viscous damper | kN·s·mm− 1 | c | Normal | 3 | 0.1 | |
Representative value of gravity load | kN/m2 | Ms | Normal | 6 | 0.1 |
