Research Article
Experimental and Stress-Strain Equation Investigation on Compressive Strength of Raw and Modified Soil in Loess Plateau
Table 3
Mean compressive strength and peak strain.
| Modified soil | Raw soil | Cement | Lime | Sand | Straw | 4% | 8% | 12% | 5% | 10% | 15% | 5% | 15% | 25% | 0.5% | 1.0% |
| Cracking load/kN | 13.82 | 18.13 | 32.54 | 33.29 | 12.95 | 12.67 | 11.98 | 15.47 | 16.26 | 15.33 | 10.89 | 10.24 | Ultimate load/kN | 25.32 | 34.88 | 43.86 | 53.49 | 25.32 | 25.24 | 25.40 | 37.00 | 37.65 | 36.91 | 25.56 | 24.99 | Ultimate compressive strength/MPa | 3.10 | 4.27 | 5.37 | 6.55 | 3.10 | 3.09 | 3.11 | 4.53 | 4.61 | 4.52 | 3.13 | 3.06 | Variation coefficient/% | 19.47 | 9.94 | 12.89 | 8.11 | 11.43 | 9.07 | 6.15 | 10.85 | 7.39 | 3.77 | 7.45 | 8.04 | Peak strain/% | 2.02 | 2.04 | 2.08 | 1.90 | 1.67 | 2.08 | 2.63 | 2.12 | 2.33 | 2.69 | 2.97 | 4.23 |
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