Effect of Colluvial Soil Slope Fracture’s Anisotropy Characteristics on Rainwater Infiltration Process

Table 1

Schemes for numerical analysis.

Scheme number		A1∼A3	B1∼B4	C1∼C3	D1∼D4
Fracture position		Top of the slope	Top of the slope	Top of the slope	From the top to the middle of the slope
Fracture angle (°)		0	0	0, 30, and 60	0
Fracture depth (m)		1, 3, and 5	3	3	5
Permeability coefficient ratio, μ		100	1, 10, 100, and 1000	100	100
Fracture density		Single fracture	Single fracture	Single fracture	1, 2, 3, 4, and 5 fractures
Boundary condition	Rainfall intensity (m/s)	585 mm (9.67 × 10^−7 m/s)
	Rainfall duration/numerical time (h)	7 days
Analysis content		Fracture depth	Permeability coefficient ratio	Fracture angle	Fracture density