Research Article

Estimating Deterioration Rate of Some Carbonate Rocks Used as Building Materials under Repeated Frost Damage Process, China

Table 7

The decay constant (λ), half-life (N1/2), and coefficient of correlation (R) of Schmidt hammer rebound (Sch).

Rock typeSchmidt hammer rebound (Sch)
λN1/2R

Limestone 1−0.001693.00.996
Limestone 2−0.001693.00.997
Limestone 3−0.002346.50.995
Limestone 4−0.001693.00.998
Limestone 5−0.002346.50.997
Limestone 6−0.002346.50.999