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% |