Experimental Study on the Pile-Soil Synergistic Mechanism of Composite Foundation with Rigid Long and Short Piles

Table 2

Test groups.

Types	Cushion thickness (mm)	Pile length (mm)	Pile diameter (mm)
Single-short-pile	50	1000	100
Single-long-pile	50	2100	100
Four-long-short piles	50	1000/2100	100