Experimental Study on the Impact Resistance of Closed-Cell Aluminum Foam Protective Materials to RC Piers under Lateral Impact

Table 1

Design parameter table of piers.

Group	Specimen no.	Pier diameter (mm)	Longitudinal reinforcement	Stirrup	Strength grade of concrete (MPa)
A	Z1	340	10Φ20	Φ8@50	45.63
	Z2
	Z3
B	Z4
	Z5
	Z6