Table 4.
Samples | Initial Sorptivity (mm/s1/2) | Reduction Compared to CP (%) | Secondary Sorptivity (mm/s1/2) | Difference with CP (%) |
---|---|---|---|---|
CP | 0.0183 | - | 0.0035 | - |
GPD 0.01 | 0.0147 | −19.7 | 0.0028 | −20.0 |
GPD 0.05 | 0.0130 | −29.0 | 0.0018 | −48.6 |
GPD 0.1 | 0.0140 | −23.5 | 0.0027 | −22.9 |
GPD 0.5 | 0.0170 | −7.1 | 0.0040 | +14.3 |
GPD 1.0 | 0.0183 | 0 | 0.0042 | +20.0 |
GPW0.01 | 0.0118 | −35.5 | 0.0030 | −14.3 |
GPW0.05 | 0.0054 | −70.5 | 0.0015 | −57.1 |
GPW 0.1 | 0.0048 | −73.8 | 0.0012 | −65.7 |
GPW 0.5 | 0.0126 | −31.1 | 0.0033 | −5.7 |
GPW 1.0 | 0.0146 | −20.2 | 0.0034 | −2.9 |
* (−ve means reduction, and +ve means increase compared to CP).