Research Article

Preparation and Mechanical Properties of Cemented Uranium Tailing Backfill Based on Alkali-Activated Slag

Table 1

Main chemical composition of test materials (%).

SiO2Al2O3SO3K2OFe2O3Na2OCaOTiO2P2O5MnOMgOU

Uranium tailings86.0576.0382.4262.3651.5440.5000.3770.2070.1330.1000.037
Slag powder32.86115.6512.2620.5610.5670.49940.4440.9980.0300.7225.024
Quicklime powder1.240.5400.0700.4110.35194.780.0360.0090.0062.31