南沙港区软土狭长深基坑围护体系性状
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乔世范,蔡子勇,张震,檀俊坤
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Behavior of retaining system of narrow-long deep foundation pit in soft soil in Nansha Port Area
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Shi-fan QIAO,Zi-yong CAI,Zhen ZHANG,Jun-kun TAN
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| 表 1 土层物理力学参数 |
| Tab.1 Physico-mechanical parameters of soils |
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| 地层 | d/m | γ/(kN·m−3) | c/kPa | φ/(°) | Es/MPa | | 素填土 | 3.9 | 18.5 | 10.2 | 7.0 | 3.5 | | 淤泥 | 21.1 | 17.1 | 7.8 | 7.5 | 2.1 | | 淤泥质土 | 10.3 | 17.5 | 10.6 | 9.0 | 2.4 | | 淤泥质粉砂 | 5.8 | 18.1 | 0 | 15.5 | 3.8 | | 粉质黏土 | 14.0 | 18.7 | 16.0 | 18.0 | 4.8 | | 粉砂 | 6.4 | 19.0 | 0 | 25.6 | 12.0 | | 细砂 | 12.2 | 19.0 | 0 | 27.2 | 16.5 | | 中砂 | 3.5 | 19.5 | 0 | 28.0 | 21.0 | | 粗砂 | 4.8 | 20.0 | 0 | 29.5 | 24.0 | | 砾砂 | 5.2 | 21.0 | 0 | 32.0 | 30.0 | | 细圆砾土 | 2.9 | 21.0 | 0 | 34.0 | 32.0 | | 花岗片麻岩 | 18.0 | 24.0 | 120.0 | 39.0 | 400.0 |
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