Advances in Materials Science and Engineering / 2020 / Article / Tab 6

Research Article

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

Table 6

The decay constant (λ), half-life (N1/2), and coefficient of correlation (R) of point load index strength (Is (50)).

Rock typePoint load index strength, Is (50) (MPa)

Limestone 1−0.002346.50.977
Limestone 2−0.003231.00.995
Limestone 3−0.005138.60.966
Limestone 4−0.003231.00.98
Limestone 5−0.003231.00.98
Limestone 6−0.006115.50.951

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.