软土地层中压入式沉井下沉的土塞效应及其影响
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易琼,廖少明,朱继文,徐伟忠
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Effect of soil plugging during press-in caisson sinking in soft ground
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Qiong YI,Shao-ming LIAO,Ji-wen ZHU,Wei-zhong XU
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| 表 2 CEL法的土体计算参数 |
| Tab.2 Calculation parameters of soils in CEL method |
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| 土层 | $\gamma $/(kN·m−3) | $c$/kPa | $\varphi $/（°） | $\;\beta $/（°） | $\kappa $ | $\psi $/（°） | ${\sigma _{\rm{c}}}$/kPa | ${E_{{\rm{s}}1 - 2}}$/kPa | E/kPa | $\nu $ | | 砂垫层 | 20.0 | 10.0 | 30 | 50.2 | 0.778 | 0 | 34.64 | 13 800 | 41 400 | 0.20 | | 淤泥层 | 15.3 | 10.0 | 8.6 | 17.5 | 0.905 | 0 | 23.25 | 1 692 | 5 076 | 0.49 | | 黏土层 | 18.0 | 25.4 | 15.9 | 31.1 | 0.833 | 0 | 67.29 | 5 127 | 15 381 | 0.49 |
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