Research Article
A Comprehensive Study on Gamma-Ray Exposure Build-Up Factors and Fast Neutron Removal Cross Sections of Fly-Ash Bricks
Table 1
Elemental compositions of fly-ash bricks, brick of mud, and common brick [
1].
| | Element | Elemental composition (% by weight) | | Density (g cm−3) | FAB1 | FAB2 | FAB3 | FAB4 | FAB5 | FAB6 | FAB7 | FAB8 | BOM | COM | | 1.87 | 1.81 | 1.76 | 1.72 | 1.85 | 1.79 | 1.74 | 1.70 | 1.82 | 1.87 |
| | H | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | — | 0.24 | | C | 3.69 | 3.41 | 3.13 | 2.84 | 1.70 | 1.70 | 1.70 | 1.70 | — | 0.06 | | N | — | — | — | — | — | — | — | — | — | 0.01 | | O | 48.71 | 48.70 | 48.69 | 48.68 | 49.96 | 49.77 | 49.58 | 49.39 | 54.6 | 45.35 | | Na | 0.01 | 0.01 | 0.01 | 0.01 | 0.11 | 0.09 | 0.08 | 0.07 | 0.11 | 0.01 | | Mg | 1.07 | 1.03 | 0.99 | 0.94 | 0.77 | 0.77 | 0.77 | 0.77 | 0.11 | 0.04 | | Al | 11.77 | 11.13 | 10.5 | 9.86 | 10.78 | 10.28 | 9.79 | 9.29 | 4.95 | 7.88 | | Si | 23.22 | 23.09 | 22.96 | 22.83 | 25.08 | 24.68 | 24.29 | 23.9 | 5.96 | 20.78 | | P | — | — | — | — | 0.07 | 0.06 | 0.05 | 0.04 | — | — | | S | 0.04 | 0.04 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.02 | — | 0.02 | | K | 0.42 | 0.80 | 1.18 | 1.56 | 0.44 | 0.82 | 1.20 | 1.57 | — | 2.66 | | Ca | 6.92 | 6.77 | 6.61 | 6.45 | 7.32 | 7.10 | 6.88 | 6.67 | 34.01 | 4.75 | | Ti | 0.01 | 0.01 | 0.01 | 0.01 | 0.57 | 0.49 | 0.41 | 0.33 | — | 0.09 | | Mn | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | — | 0.17 | | Fe | 4.07 | 4.95 | 5.84 | 6.73 | 3.12 | 4.15 | 5.17 | 6.19 | 0.30 | 17.96 |
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