Research Article
Modification of Lime-Fly Ash-Crushed Stone with Phosphogypsum for Road Base
Table 2
Mix proportions of different materials and the compaction test results.
| | Mix ID | Mix formula | ρdmax (kg/m3) | (%) |
| | LFS | 8%L + 12%FA + 80%CS (F = 8%) | 2150 | 8.5 | | PLFS-1 | 6%PG + 6%L + 12%FA + 76%CS (F = 5%) | 2070 | 9.8 | | PLFS-2 | 6%PG + 6%L + 12%FA + 76%CS (F = 8%) | 2095 | 10.0 | | PLFS-3 | 6%PG + 6%L + 12%FA + 76%CS (F = 12%) | 2080 | 10.5 | | PLFS-4 | 6%PG + 8%L + 12%FA + 74%CS (F = 8%) | 2075 | 9.0 |
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L: lime; FA: fly ash; CS: crushed stone; PG: phosphogypsum; F: fine aggregate ranging from 0.06 mm to 2.36 mm in size.
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