Experimental Investigations on Pullout Behavior of HDPE Geogrid under Static and Dynamic Loading

Table 4

Experimental programs of static and dynamic loading.

Loading conditions	Magnitude of normal loading (kPa)	Amplitude (kPa)	Frequency (Hz)	Pullout rate (mm/min)
Static	60, 70, 80, 100, 120, 200, 300	—	—	2.0
Dynamic	60∼80	20	2
			4
			6
	60∼100	40	2
			4
			6
	60∼120	60	2
			4
			6