Evaluation of Critical Parameters to Improve Slope Drainage System

Table 2

Scale factor between pipes in this study and Nanyang.

Parameters	Experiments	Nanyang	Scale (experiment : Nanyang)
Length (m)	0.72	6	1 : 8.33
Diameter of pipe (mm)	25	89	1 : 3.56
Horizontal spacing between pipe (m)	0.6	2	1 : 3.33
Vertical spacing between pipe (m)	0.45	2	1 : 4.44
Angle (°)	5	5.7	—