Research Article

The Effect of Salt Solutions and Absorption Cycles in the Capillary and Drying Coefficient of Red Brick Samples with Different Joints

Table 3

Values of empirical constants and drying constant for the models tested.

JointsSolutionExponentialPageLogarithmicMidilli et al.Diffusional

MonolithicWaterk = 1.62 10−3k = 9.24 10−3
n = 0.726
k = 1.95 10−3
a = 0.881 
b = 9.12 10−2
k = 5.96 10−3
n = 0.818 
a = 1.05 
b = 1.73 10−5
(m2/s) =  
3.34 10−10
Water + Na2SO4k = 3.17 10−4k = 1.03 10−3
n = 0.839
k = 4.09 10−4
a = 0.792 
b = 0.188
k = 6.26 10−4
n = 0.903 
a = 0.985 
b = 9.47 10−7
(m2/s) =  
0.48. × 10−10
Water + KClk = 3.75 10−4k = 2.24 10−4
n = 1.07
k = 3.64 10−4
a = 0.986 
b = 0
k = 3.53 10−5
n = 1.31 
a = 0.966 
b = 0
(m2/s) =  
0.61 10−10

Hydraulic continuity Waterk = 4.14 10−4k = 1.15 10−3
n = 0.858
k = 5.49 10−4
a = 0.842 
b = 0.156
k = 8.72 10−4
n = 0.908 
a = 1.00 
b = 1.26 10−5
(m2/s) =  
0.70 10−10
Water + Na2SO4k = 4.14 10−4k = 1.26 10−3
n = 0.846
k = 4.45 10−4
a = 0.885 
b = 8.71 10−2
k = 7.65 10−4
n = 0.909 
a = 0.981 
b = 9.47 10−7
(m2/s) =  
0.69 10−10
Water + KClk = 2.51 10−4k = 6.38 10−4
n = 0.875
k = 3.29 10−4
a = 0.783 
b = 0.203
k = 3.53 10−5
n = 1.31 
a = 0.966 
b = 6.75 10−5
(m2/s) =  
0.34 10−10

Perfect contact Waterk = 2.51 10−3k = 2.77 10−2
n = 0.601
k = 3.65 10−3
a = 0.827 
b = 0.125
k = 4.15 10−2
n = 0.545 
a = 1.06 
b = 1.48 10−6
(m2/s) =  
5.08 10−10
Water + Na2SO4k = 4.46 10−4k = 1.04 10−2
n = 0.559
k = 9.15 10−4
a = 0.574 
b = 0.367
k = 7.65 10−4
n = 0.909 
a = 0.981 
b = 5.61 10−6
(m2/s) =  
0.76 10−10
Water + KClk = 3.69 10−4k = 3.25 10−4
n = 1.02
k = 3.57 10−4
a = 0.986 
b = 0
k = 8.60 10−8
n = 1.19 
a = 0.973 
b = 0
(m2/s) =  
0.59 10−10

Air space interfaceWaterk = 4.30 10−3k = 1.89 10−2
n = 0.725
k = 5.26 10−3
a = 0.907 
b = 7.31 10−2
k = 2.44 10−2
n = 0.692 
a = 1.04 
b = 1.13 10−5
(m2/s) =  
8.51 10−10
Water + Na2SO4k = 9.77 10−4k = 1.47 10−2
n = 0.585
k = 1.72 10−3
a = 0.693 
b = 0.261
k = 7.77 10−4
n = 1.05 
a = 0.929 
b = 7.62 10−5
(m2/s) =  
1.72 10−10
Water + KClk = 3.99 10−4k = 2.58 10−3
n = 0.744
k = 6.59 10−4
a = 0.686 
b = 0.284
k = 7.48 10−4
n = 0.938 
a = 0.974 
b = 4.38 10−5
(m2/s) =  
0.66 10−10