**2.2 Grain size analysis**

Ground samples are sieved as mentioned in the standard method and sedimentation test. The particle gradation and size distribution were determined according to the chart in **Figure 2**. **Figure 3** shows the gradation of asphalt paste fillers (ASTM C136) [11].

The sludge wastes in the Mazıdağ tailing pond are given in **Table 1**.
