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Table 6 Constants of strength ratio

From: Laboratory Investigation on Preplaced Ballast Aggregate Concrete Deterioration over Freezing–Thawing Cycles

Normalized target

a

b

c

d

Compressive strength

2e-9

− 1e-6

0.0002

1

Tensile strength

8e-10

− 9e-7

0.0002

1