Research Article

Exploring the Occurrence of Clogging in Highly Permeable Coarse Soils of Dam Foundations

Figure 4

Images of soil media at different layers after experiment and soil media particles of size in 2–4 mm using USB DIGITAL MICROSCOPE. (a) Surface of the soil media. (b) Surface of layer 2. (c) Surface of layer 3. (d) Surface of layer 4.