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Table 3 Results of water absorption test

From: Improved fired clay brick compressive strength by recycling wastes of blacksmiths’ workshops

Iron filings

Dry bricks weight

Weight after 1 h

Weight after 24 h

The water absorption percentage

% by weight

Gram

Gram

Gram

0%

42

46

47

11.9%

1%

44

48

49

11.4%

2%

45

48.5

49.5

10.0%

3%

47

50.5

51.5

9.6%

4%

48

52

52.5

9.4%

 

Limits of ECP 204 (Average of five bricks)

up to 16%