Review Article
Response Surface Method for Material Uncertainty Quantification of Infrastructures
Table 1
Material properties for the finite element model.
| Quantity | Symbol | Unit | DOE | UQ | Mean (0) | Variation | Lower (-1) | Upper (+1) | Model | COV | Truncation |
| Concrete modulus of elasticity | | MPa | 40,000 | 15% | 34,000 | 46,000 | Normal | 0.08 | | Concrete Poisson’s ratio | | - | 0.2 | - | - | - | - | - | - | Concrete mass density | | kg/ | 2,400 | 10% | 2,160 | 2,640 | Normal | 0.06 | | Concrete compressive strength | | MPa | 35.0 | 20% | 28.0 | 42.0 | Normal | 0.10 | | Concrete tensile strength | | MPa | 3.5 | 20% | 2.8 | 4.2 | Normal | 0.10 | |
| Foundation modulus of elasticity | | MPa | 20,000 | 25% | 15,000 | 25,000 | Normal | 0.10 | | Foundation Poisson’s ratio | | - | 0.25 | - | - | - | - | - | - | Foundation mass density | | kg/ | 2,500 | - | - | - | - | - | - |
| Water mass density | | kg/ | 1,000 | - | - | - | - | - | - | Wave velocity in water | | m/s | 1,440 | - | - | - | - | - | - | Wave reflection coefficient at the bottom | | - | 0.80 | - | - | - | - | - | - | Sediment/silt mass density | | kg/ | 1,360 | - | - | - | - | - | - |
|
|
DOE: Design of Experiment; UQ: Uncertainty Quantification; COV: Coefficient of Variation.
|