地铁变频荷载循环作用下饱和软黏土累积塑性变形
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李泽垚, 周洁, 田万君, 裴万胜
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Accumulative Plastic Deformation of Saturated Soft Clay Under Variable Frequency Cyclic Loading for Subway
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LI Zeyao, ZHOU Jie, TIAN Wanjun, PEI Wansheng
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表2 软黏土累积变形试验方案
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Tab.2 Test plan of accumulated deformation of soft clay
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试样编号 | 固结围压/kPa | 进出站加速度/(m·s-2) | 列车竖向动应力/kPa | 进出站距离/m | 试验加载动应力/kPa | 削样角度/(°) | A1 | 125 | -0.50 | 30±15 | +50 | 30.08±15.04 | 2.91 | A2 | 125 | -0.50 | 30±15 | +150 | 30.08±15.04 | 2.91 | A3 | 125 | -0.50 | 30±15 | +250 | 30.08±15.04 | 2.91 | A4 | 125 | -0.55 | 30±15 | +50 | 30.09±15.05 | 3.20 | A5 | 125 | -0.55 | 30±15 | +150 | 30.09±15.05 | 3.20 | A6 | 125 | -0.55 | 30±15 | +250 | 30.09±15.05 | 3.20 | A7 | 125 | -0.60 | 30±15 | +50 | 30.11±15.06 | 3.49 | A8 | 125 | -0.60 | 30±15 | +150 | 30.11±15.06 | 3.49 | A9 | 125 | -0.60 | 30±15 | +250 | 30.11±15.06 | 3.49 | A10 | 100 | -0.55 | 30±10 | +50 | 30.09±10.03 | 3.20 | A11 | 100 | -0.55 | 30±10 | +150 | 30.09±10.03 | 3.20 | A12 | 100 | -0.55 | 30±10 | +250 | 30.09±10.03 | 3.20 | A13 | 150 | -0.55 | 30±20 | +50 | 30.09±20.06 | 3.20 | A14 | 150 | -0.55 | 30±20 | +150 | 30.09±20.06 | 3.20 | A15 | 150 | -0.55 | 30±20 | +250 | 30.09±20.06 | 3.20 | A16 | 100 | -0.55 | 30±15 | +50 | 30.09±15.05 | 3.20 | A17 | 100 | -0.55 | 30±15 | +150 | 30.09±15.05 | 3.20 | A18 | 100 | -0.55 | 30±15 | +250 | 30.09±15.05 | 3.20 | A19 | 150 | -0.55 | 30±15 | +50 | 30.09±15.05 | 3.20 | A20 | 150 | -0.55 | 30±15 | +150 | 30.09±15.05 | 3.20 | A21 | 150 | -0.55 | 30±15 | +250 | 30.09±15.05 | 3.20 | B1 | 125 | +0.85 | 30±15 | +50 | 30.22±15.11 | 4.92 | B2 | 125 | +0.85 | 30±15 | +150 | 30.22±15.11 | 4.92 | B3 | 125 | +0.85 | 30±15 | +250 | 30.22±15.11 | 4.92 | B4 | 125 | +0.90 | 30±15 | +50 | 30.25±15.13 | 5.20 | B5 | 125 | +0.90 | 30±15 | +150 | 30.25±15.13 | 5.20 | B6 | 125 | +0.90 | 30±15 | +250 | 30.25±15.13 | 5.20 | B7 | 125 | +0.95 | 30±15 | +50 | 30.28±15.14 | 5.49 | B8 | 125 | +0.95 | 30±15 | +150 | 30.28±15.14 | 5.49 | B9 | 125 | +0.95 | 30±15 | +250 | 30.28±15.14 | 5.49 | B10 | 125 | +1.00 | 30±15 | +50 | 30.31±15.15 | 5.77 | B11 | 125 | +1.00 | 30±15 | +150 | 30.31±15.15 | 5.77 | B12 | 125 | +1.00 | 30±15 | +250 | 30.31±15.15 | 5.77 | B13 | 100 | +0.90 | 30±10 | +50 | 30.25±10.08 | 5.20 | B14 | 100 | +0.90 | 30±10 | +150 | 30.25±10.08 | 5.20 | B15 | 100 | +0.90 | 30±10 | +250 | 30.25±10.08 | 5.20 | B16 | 150 | +0.90 | 30±20 | +50 | 30.25±20.17 | 5.20 | B17 | 150 | +0.90 | 30±20 | +150 | 30.25±20.17 | 5.20 | B18 | 150 | +0.90 | 30±20 | +250 | 30.25±20.17 | 5.20 | B19 | 100 | +0.90 | 30±15 | +50 | 30.25±15.13 | 5.20 | B20 | 100 | +0.90 | 30±15 | +150 | 30.25±15.13 | 5.20 | B21 | 100 | +0.90 | 30±15 | +250 | 30.25±15.13 | 5.20 | B22 | 150 | +0.90 | 30±15 | +50 | 30.25±15.13 | 5.20 | B23 | 150 | +0.90 | 30±15 | +150 | 30.25±15.13 | 5.20 | B24 | 150 | +0.90 | 30±15 | +250 | 30.25±15.13 | 5.20 |
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