From: Experimental study on capillary water absorption of sandstones from different grotto heritage sites in China
Sample
Hall’s model
Feng and Janssen’s model
Acap
m
n
R2
b
c
YG
0.914
0.025
0.196
0.996
0.948
14.239
-0.985
DZ
0.756
0.021
0.000
0.997
0.824
12.796
-1.047
0.998
LS
1.689
0.067
1.070
0.978
2.413
6.653
-1.453