Research Article
Properties of Crushed Red-Bed Soft Rock Mixtures Used in Subgrade
Table 3
The results of CBR tests under different degrees of compaction.
| Sample number | Number of blows | Dry density ρd/(g⋅cm−3) | Compaction degree K/% | CBR % | Soaking swelling /% | Water absorbing /g |
| | 98 | 2.104 | 99.9 | 61.24 | 0.088 | 28 | | 2.102 | 99.7 | 57.14 | 0.074 | 25 |
| | 50 | 2.060 | 97.7 | 49.71 | 0.108 | 49 | (5) | 2.053 | 97.5 | 48.76 | 0.102 | 48 |
| (7) | 30 | 2.010 | 95.4 | 35.14 | 0.164 | 108 | (8) | 2.006 | 95.2 | 34.00 | 0.155 | 99 |
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