Shaking Table Study on the Seismic Performance of Geogrid Reinforced Soil Retaining Walls

Table 1

Technical specifications.

Specifications	Reference values
Size	3.0 m × 3.0 m
Mode	Sine, random, earthquake vibration
Frequency	0.4–80 Hz
Load capacity	20 t
Antioverturning moment	400 kN m
Maximum acceleration	No load: 4.5 g (X), 3.5 g (Y)
	Fully load: 2.0 g (X), 2.0 g (Y)
Maximum velocity	80 cm/s (X), 70 cm/s (Y)
Maximum displacement	±20 cm (X), ±15 cm (Y)