Performance of Used Tire Cushion Layer under Rockfall Impact

Table 8

The process contrast of different mass of rockfall in the same energy level.

Rockfall energy/kJ	1	1	3	3
Rockfall mass/kg	50	100	100	150
Tire deformation/m	0.27	0.32	0.45	0.50
Average impact force/kN	4	4.28	6.9	7.69