Research Article

Study on the Strength Development of Cemented Backfill Body from Lead-Zinc Mine Tailings with Sulphide

Table 1

Chemical properties of the binder and tailings used.

Chemical compositionSiO2Al2O3FeOCaOMgOPbZnCuSLoss

Coarse tailings32.073.5912.2818.141.580.500.650.0712.9511.38
Fine tailings25.375.8814.2812.470.150.840.540.2819.0719.97
OPC25.266.384.0554.672.680.06
CK43.1345.171.251.750.107.70