Research Article
Shaking Table Testing of a Scaled Nuclear Power Plant Structure with Base Isolation
Table 1
Similarity law of the NPP model.
| Type | Physical quantity | Dimension | Similar coefficient |
| Geometry size | Size l | (L) | Sl = 1/20 |
| Material properties | Elastic modulus E | (FL−2) | SE = 1/4 | Density ρ | (FL−4T2) | Sρ = 1 | Poisson’s ratio μ | — | Sμ = 1 | Strain ε | — | Sε = 1 | Stress σ | (FL−2) | Sσ = SESε = 1/4 | Equivalent mass density ρe | (FL−4T2) | Sρe = 1 |
| Dynamic indicators | Time T | (T) | | Frequency ω | (T−1) | Sω = 1/ST = 10 | Damping ratio ζ | — | Sζ = 1 | Acceleration amplitude a | (LT−2) | Sa = SE/(SLSρε) = 5 | Stiffness K | (FL−1) | SK = SE Sl = 0.0125 | Mass m | (FL−1T2) | Sm = SρεS3l = 1.25E − 4 |
|
|