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Heritage Science

Table 2 Pore structure analysis results and water absorption coefficient by capillary for the studied rocks

From: The synergic impacts of salt mixture and frost damage on rock decay: implications for the deterioration of rock-hewn heritages

Sample name

Porosity (%)

APD (nm)

WAC (g m2 s−0.5)

SAMBET (m2/g)*

PRE

AFTA

PRE

AFTA

PRE

AFTA

AFTA

YM

1.54

0.35*

1095.925

38.05*

0.54829

0.77706

0.14

LA

5.93

11.50

19.8

97

3.36822

3.59301

16.03

FL

4.04

5.64

625.1

1778.7

0.3621

0.55393

0.12

LQ

0.32*

0.38*

18.79*

37.99*

1.04907

0.7139

0.40

GM

27.00

14.75

18.785

162.4

15.18607

8.40156

2.05

  1. APD Average Pore Diameter, PRE before the salt and freeze–thaw test, WAC water absorption coefficient by capillary, AFTA after the salt and freeze–thaw test, SAMBET multipoint BET surface area
  2. *determined by Gas adsorption (nitrogen) method
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