| 摘要: |
| 由室内试验测定和现场实测沉降曲线推求的软土的固结系数表明，预压加固中软土的固结系数是变化的，总的趋势是逐渐减小；室内测定的固结系数比用沉降过程线推求的要大6—9倍，重塑土的固结系数约为原状土的13％-32％，并分析了两者之间差异的原因． |
| 关键词: 软土 固结系数 预压加固 实测沉降曲线 室内试验 分析 |
| DOI： |
| 分类号:TU447.8 TU472.33 |
| 基金项目: |
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| Variation of consolidation coefficient for soft soil in preloading improvement |
|
LOU Yan
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|
Nanjing Hydraulic Research Institute, Nanjing 210029, China
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| Abstract: |
| Consolidation coefficients for soft soil calculated by settlement curves in indoor laboratory and in-situ test show that the consolidation coefficient for soft soil changes in preloading process, and decreases in general trend. The consolidation coefficient measured in laboratory is 6 - 9 times larger than that in in-situ test. Consolidation coefficient for remolded soil drops to 13% - 32% of the undisturbed soil. Reasons for the difference of the consolidation coefficient is analyzed. |
| Key words: soft soil consolidation coefficient preloading improvement in-situ settlement curve indoor test analysis |
