开挖引起的隧道位移动态多目标优化反演预测
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何维, 孙宏磊, 陶袁钦, 蔡袁强
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Dynamic Multi-Objective Optimization Inverse Prediction of Excavation-Induced Tunnel Displacement
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HE Wei, SUN Honglei, TAO Yuanqin, CAI Yuanqiang
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表6 土体莫尔-库仑模型参数
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Tab.6 Soil parameters of Mohr-Coulomb model
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土层 | 土质 | 厚度/m | 重度γ/(kg·m-3) | 卸荷模量Eu/MPa | 泊松比ν | 黏聚力c'/kPa | 摩擦角φ'/(°) | 1 | 水泥搅拌桩 | 0~22, 0~28 | 22.0 | 180.0 | 0.40 | 50.0 | 40.0 | 2 | 淤泥质黏土 | 0~10 | 18.5 | 18.0(10~50) | 0.28 | 7.0 | 27.6 | 3 | 粉质黏土 | 10~29 | 17.5 | 28.5(15~90) | 0.31 | 15.0(0.22~0.40) | 29.5(17~35) | 4 | 杂填土 | 29~39 | 18.0 | 25.2 | 0.28 | 10.4 | 22.0 | 5 | 江滩土 | 39~49 | 19.3 | 40.3(30~150) | 0.27 | 5.0 | 30.4 | 6 | 砂质粉土 | 49~64 | 18.8 | 74.8(50~180) | 0.27 | 5.0 | 33.4 | 7 | 粉砂层 | 64~80 | 20.2 | 94.3(60~220) | 0.27 | 4.0 | 34.3 |
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