Table 5 Values of parameters a, b, c and R2 in different specimens.

From: Impact behavior of recycled aggregate concrete modified with nano-silica and fiber

Number

R100

N1R100

N2R100

N2R100S0P0.2

N2R100S2P0

N2R100S2P0.2

N2R100S1P0.2

N2R100S2P0.1

a

2.087

1.064

1.511

1.486

3.326

2.931

0.946

5.747

b

0.003

0.453

0.255

0.109

-4.957

0.625

0.249

-5.829

c

7.852

23.194

20.531

18.625

-2.031

63.162

18.742

-81.140

R2

0.998

0.999

0.987

0.998

0.951

0.960

0.943

0.868