Research Article
Study on the Mixed Materials Proportion of Stratum Based on the Modelling Experiment
Table 4
Mixed materials finished initially.
| Proportion of iron and sand in mixture (%) | Quality ratio between iron and sand | Quality ratio between gypsum and lime | Volume ratio between water and gypsum |
| 85 | 1.5 : 3.5 | 1 : 1 | 2 : 8 |
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