Impact Resistance Behavior of Reinforced Concrete Beams Deteriorated due to Repeated Freezing and Thawing

Table 3

List of specimens.

Specimen	Frost damage	Freezing-thawing cycle (cycle)	Weight falling height H (m)	Measured impact velocity V (m/s)	Input energy Ek (kJ)
N-H0.5	Without damage	—	0.5	3.18	1.52
N-H1.0			1.0	4.51	3.05
D-H0.5	With damage	872	0.5	3.15	1.49
D-H1.0-1			1.0	4.51	3.05
D-H1.0-2			1.0	4.44	2.96