Research Article
The Effect of Polymer-Fiber Stabilization on the Unconfined Compressive Strength and Shear Strength of Sand
Table 3
Unconfined compressive strengths of sand samples.
| Serial
number | Dry density
(g/cm3) | Content of polymer (%) | Content of fiber (%) | UCS (kPa) | Percentage of strength
improving (%) |
| | 1.5 | 0 | 0/0.1/0.2/0.3/0.4 | / | / |
| | 1.5 | 1 | 0 | 22.99 | 0.00 | | 1.5 | 1 | 0.1 | 26.28 | 14.31 | | 1.5 | 1 | 0.2 | 34.22 | 48.85 | | 1.5 | 1 | 0.3 | 41.22 | 79.30 | | 1.5 | 1 | 0.4 | 38.02 | 65.38 |
| | 1.5 | 2 | 0 | 41.88 | 0.00 | | 1.5 | 2 | 0.1 | 52.57 | 25.53 | | 1.5 | 2 | 0.2 | 92.05 | 119.79 | | 1.5 | 2 | 0.3 | 131.45 | 213.87 | | 1.5 | 2 | 0.4 | 129.11 | 208.29 |
| | 1.5 | 3 | 0 | 52.69 | 0.00 | | 1.5 | 3 | 0.1 | 65.64 | 24.58 | | 1.5 | 3 | 0.2 | 116.85 | 121.77 | | 1.5 | 3 | 0.3 | 156.69 | 197.38 | | 1.5 | 3 | 0.4 | 131.91 | 150.35 |
| | 1.5 | 4 | 0 | 106.14 | 0.00 | | 1.5 | 4 | 0.1 | 118.71 | 11.84 | | 1.5 | 4 | 0.2 | 157.73 | 48.61 | | 1.5 | 4 | 0.3 | 163.23 | 53.79 | | 1.5 | 4 | 0.4 | 135.13 | 27.31 |
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