Structural Lightweight Concrete (SLWC) fc=25 MPa vs Ultra-High Performance Concrete (UHPC)
Property comparison of Structural Lightweight Concrete (SLWC) fc=25 MPa and Ultra-High Performance Concrete (UHPC), both concrete.
| Property | Structural Lightweight Concrete (SLWC) fc=25 MPa | Ultra-High Performance Concrete (UHPC) | Difference |
|---|---|---|---|
| Elastic modulus | 17,000 MPa | 48,000 MPa | +182% |
| Poisson ratio | 0.2 | 0.2 | 0% |
| Density | 1,850 kg/m³ | 2,550 kg/m³ | +38% |
| Thermal conductivity | 0.8 W/m·K | 2 W/m·K | +150% |
| Specific heat | 840 J/kg·K | 880 J/kg·K | +5% |
| Coefficient of thermal expansion | 0.000009 1/K | 0.000014 1/K | +50% |
Difference is Ultra-High Performance Concrete (UHPC) relative to Structural Lightweight Concrete (SLWC) fc=25 MPa. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ACI
- standard
- FHWA
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