Research Article
Design and Assessment of a Lightweight Polymer Concrete Utility Manhole
Table 3
Sand and quartz gradation.
| Sieve size | Retained on the sieve (%) | Fine sand | Coarse sand | Quartz |
| No. 4 | 0.0 | 0.0 | 0.0 | No. 8 | 2.9 | 13.1 | 0.0 | No. 16 | 7.7 | 355.7 | 0.0 | No. 30 | 16.2 | 60.9 | 0.0 | No. 50 | 62.0 | 88.7 | 0.0 | No. 100 | 96.9 | 98.0 | 0.0 | No. 200 | 100.0 | 100.0 | 100.0 | Bottom | 100.0 | 100.0 | 100.0 | Fineness modulus | 1.86 | 2.96 | ā |
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