X-Ray CT Investigation on Fractal Characteristics of Fine-Grained Tailing Sand in Fujian’s Makeng: Insight into the Mesoscopic Seepage Failure

Table 4

Comparison of seepage failure type with different judgment methods.

Groups	Experimental results	method	Pore diameter and fine particle diameter comparison method	Fine particle content method	method
First	Transitional	Flow soil	Piping	Piping	Flow soil
Second	Flow soil	Flow soil	Flow soil	Flow soil	Flow soil
Third	Piping	Flow soil	Flow soil	Piping	Piping
Fourth	Flow soil	Flow soil	Flow soil	Flow soil	Flow soil
Fifth	Piping	Flow soil	Flow soil	Transitional	Piping