Research Article
Similar Materials and Engineering Application of Cemented Sand and Gravel Dam Model
Table 2
Orthogonal design of similar materials.
| | Group | Factor A | Factor B | Factor C | Factor D | | Iron powder content (%) | Gypsum content (%) | Gypsum : cement | Coarse sand : barite powder |
| | 1 | 5 | 10 | 1 : 1 | 1 : 1 | | 2 | 10 | 15 | 2 : 1 | 2 : 1 | | 3 | 15 | 20 | 3 : 1 | 3 : 1 | | 4 | 20 | 25 | 4 : 1 | 4 : 1 |
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