Analysis of the Load Sharing Behaviour and Cushion Failure Mode for a Disconnected Piled Raft

Table 2

Test cases.

Test	Cushion type	Number of piles,	(mm)	(mm)	(mm)
Case 1	Graded gravel	0	40	—	—
Case 2	Graded gravel	3	20	40	500
Case 3	Graded gravel	3	40	40	500
Case 4	Graded gravel	3	60	40	500
Case 5	Graded gravel	3	80	40	500
Case 6	Coarse gravel	3	40	40	500
Case 7	Fine gravel	3	40	40	500
Case 8	Graded gravel	3	60	60	500
Case 9	Graded gravel	3	60	80	500

. is the cushion thickness; is the pile diameter; and is the pile length.