冻融循环作用下砂土粒组变化的分形特征及其与长期强度的相关性分析
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刘启, 张泽, 张圣嵘, 恽晴飞, 付峻松
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Fractal characteristics of sand grain group changes under freeze-thaw cycles and its correlation with long-term strength
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Qi LIU, Ze ZHANG, Shengrong ZHANG, Qingfei YUN, Junsong FU
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表2 FS的粒径分组
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Table 2 Grain size grouping of FS
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冻融循 环次数 | 粒径分组/mm | 不均匀 系数Cu | 曲率系数Cc | 体积平均粒径/mm | 颗数平均粒径/mm |
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<0.05 | ≥0.05~0.10 | ≥0.10~0.15 | ≥0.15~0.20 | ≥0.20~0.25 | ≥0.25~0.40 | ≥0.40 |
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FP1 | FP2 | FP3 | FP4 | FP5 | FP6 | FP7 |
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4 | 1.78 | 3.31 | 8.53 | 46.98 | 26.72 | 12.67 | 0 | 1.77 | 0.95 | 0.17 | 0.034 | 6 | 0.46 | 4.66 | 19.66 | 19.03 | 18.07 | 38.12 | 0 | 1.85 | 0.98 | 0.20 | 0.058 | 10 | 2.64 | 16.31 | 19.48 | 13.20 | 26.98 | 21.39 | 0 | 2.44 | 1.08 | 0.17 | 0.038 | 50 | 1.28 | 4.24 | 6.10 | 37.39 | 34.23 | 16.33 | 0 | 1.93 | 1.31 | 0.19 | 0.035 | 100 | 0.97 | 1.84 | 2.12 | 14.18 | 19.69 | 24.30 | 36.89 | 1.76 | 1.24 | 0.29 | 0.032 |
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