Research Article
Development of Resonant Density Meter and Its Application in Tailings Backfilling
Figure 5
The effect of different ratios of coarse and fine sand and the concentration of slurry on the strength of the filled test block when the ratio of lime to sand is 1 : 7. Notes. The test block has a volume of 353.39 cm3 and a cross-sectional area of 49.98 cm2.