Model Test on the Vibration Reduction Characteristics of a Composite Foundation with Gravel Cushion under Different Seismic Wave Amplitudes

Table 1

Particle size distribution of continuously graded aggregates.

Particle size (mm)	10–5	5–2	2–1	1–0.5	0.5–0
Content (%)	21.40	73.28	4.85	0.38	0.09