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Heritage Science

Table 3 The relation between k and T under the same pH value

From: Macrokinetics of the deterioration of cement-based grouting material for predicting its service life under acid rain attack

pH

Fitting function

Modified function

Simplified function

1.3

k = 3.31lnT-8.09

k = 1/2π⋅(20.82lnT-50.31)

k = 1/2π⋅A⋅(7.5lnT-14-B⋅pH)

2

k = 3.22lnT-7.31

k = 1/2π⋅(20.25lnT-45.97)

3

k = 3.09lnT-7.83

k = 1/2π⋅(19.43lnT-49.24)

4

k = 1.19lnT-2.89

k = 1/2π⋅(7.53lnT-18.23)

5

k = 1.20lnT-3.15

k = 1/2π⋅(7.58lnT-19.88)

6.5

k = 1.25lnT-3.41

k = 1/2π⋅(7.87lnT-21.29)

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