Research Article
Study on Restoration Materials for Historical Silty Earthen Sites Based on Lime and Starch Ether
Table 6
Freeze-thaw cycles test results of original site soil and modified soil.
| Indicators | Sample | Number of freeze-thaw cycles | 10 | 20 | 30 |
| Mass variation ratio (%) | Site soil | −0.12 | −0.13 | −0.15 | Modified soil | −0.13 | −0.15 | −0.18 |
| Volume variation ratio (%) | Site soil | −0.62 | −0.78 | −3.58 | Modified soil | −0.76 | −0.88 | −1.67 |
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