Study on the Mixed Materials Proportion of Stratum Based on the Modelling Experiment

Table 12

Mixed material proportion table.

Mixed materials	Proportion of iron and sand in mixture (%)	Quality ratio between iron and sand	Quality ratio between gypsum and lime
Silt soil	80	2 : 3	2 : 1
Silty clay	90	1.5 : 3.5	1 : 2