Research Article
Research on Preparation and Performance of Clay-Based Shield Tunnel Nonsintered Bricks
| Serial number | Muck (%) | Lime (%) | Cement (%) | Fly ash (%) | Polyvinyl alcohol (%) |
| Test 1 | 80 | 20 | 0 | 0 | 0 | Test 2 | 70 | 30 | 0 | 0 | 0 | Test 3 | 60 | 40 | 0 | 0 | 0 | Test 4 | 50 | 50 | 0 | 0 | 0 | Test 5 | 60 | 30 | 0 | 10 | 0 | Test 6 | 50 | 30 | 0 | 20 | 0 | Test 7 | 40 | 30 | 0 | 30 | 0 | Test 8 | 30 | 30 | 0 | 40 | 0 | Test 9 | 65 | 30 | 5 | 0 | 0 | Test 10 | 60 | 30 | 10 | 0 | 0 | Test 11 | 55 | 30 | 15 | 0 | 0 | Test 12 | 50 | 30 | 20 | 0 | 0 | Test 13 | 60 | 10 | 5 | 25 | 0 | Test 14 | 55 | 10 | 5 | 30 | 0 | Test 15 | 50 | 10 | 5 | 35 | 0 | Test 16 | 45 | 10 | 5 | 40 | 0 | Test 17 | 45 | 10 | 5 | 40 | 0.5 | Test 18 | 45 | 10 | 5 | 40 | 0.75 | Test 19 | 45 | 10 | 5 | 40 | 1 | Test 20 | 45 | 10 | 5 | 40 | 1.25 |
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