Table 3 Results of brick water adsorption before Spraying.

From: Application of nano-pico geotechnics and nano-pico heritage spray techniques for restoring and protecting historical brick buildings

Sample No. (i)

\(\:{\varvec{G}}_{\varvec{i}}\varvec{\%}\)

\(\:{\varvec{W}\varvec{i}}_{2}\)(g)

\(\:{\varvec{W}\varvec{i}}_{1}\)(g)

\(\:{\varvec{W}\varvec{i}}_{0}\)(g)

1

19.3%

667.6

559.6

563.1

2

18%

669.0

566.2

569.4

3

18.6%

689.2

580.8

584.7

4

17.2%

692.5

590.7

595.3

5

18.6%

699.4

589.3

593.0

6

18%

682.0

577.6

580.8

7

18.2%

696.3

589.0

593.2

8

17.8%

666.3

565.4

569.1

  1. W₀ (g): Initial dry weight of the brick sample (grams), W₁ (g): Weight after partial saturation, W₂ (g): Weight after full saturation in water, Gi (%): Percentage increase in weight due to water absorption, Sample No. (i): Identifies each tested sample.
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