Research Article
Effects of Magnetite Aggregate and Steel Powder on Thermal Conductivity and Porosity in Concrete for Nuclear Power Plant
Table 3
Physical properties of aggregate.
| | Types |
(mm) | Density
(kg/m3) | Absorption
ratio (%) | Fineness
modulus |
| | Sand | | | | | | Normal | 5 | 2,550 | 2.20 | 2.40 | | Magnetite | 5 | 4,200 | — | 2.21 | | Coarse aggregate | | | | | | Normal | 19 | 2,500 | 0.80 | 7.10 | | Magnetite | 19 | 4,180 | — | 6.80 |
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