高温冻土的蠕变特性试验及蠕变模型研究
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杨岁桥, 王宁宁, 张虎
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Study on creep test and creep model of warm frozen soil
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Suiqiao YANG, Ningning WANG, Hu ZHANG
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表3 Burgers黏弹性模型反演参数
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Table 3 Burgers viscoelastic model inversion parameters
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| 荷载/kPa | 温度/℃ | 质量含水量/% | E1/MPa | E2/MPa | η1 /（MPa∙min） | η2 /（MPa∙min） | R2 |
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| 100 | -0.3 | 15 | 9.6 | 46.0 | 173 224 | 9 000 | 0.94 | | 25 | 8.0 | 3.6 | 55 890 | 1 300 | 0.85 | | 35 | 7.0 | 2.9 | 10 457 | 600 | 0.92 | | -0.7 | 15 | 12.4 | 41.0 | 292 252 | 1 000 | 0.98 | | 25 | 8.5 | 9.8 | 48 657 | 1 500 | 0.95 | | 35 | 5.8 | 6.2 | 21 424 | 1 508 | 0.94 | | -1.5 | 15 | 15.0 | 37.0 | 499 499 | 3 300 | 0.90 | | 25 | 10.0 | 23.0 | 158 657 | 3 000 | 0.88 | | 35 | 7.5 | 20.0 | 132 668 | 2 500 | 0.87 | | 200 | -0.3 | 15 | 12.0 | 45.0 | 400 303 | 1 000 | 0.99 | | 25 | 8.0 | 4.6 | 46 935 | 368 | 0.94 | | 35 | 6.5 | 1.9 | 11 078 | 354 | 0.99 | | -0.7 | 15 | 17.0 | 32.0 | 682 768 | 1 000 | 0.92 | | 25 | 14.0 | 5.8 | 62 130 | 1 100 | 0.97 | | 35 | 8.6 | 4.0 | 23 673 | 2 219 | 0.99 | | -1.5 | 15 | 22.0 | 38.0 | 313 640 | 1 500 | 0.91 | | 25 | 16.0 | 26.0 | 120 649 | 2 054 | 0.97 | | 35 | 12.0 | 13.0 | 89 370 | 3 241 | 0.94 | | 300 | -0.3 | 15 | 12.5 | 90.0 | 926 906 | 2 000 | 0.99 | | 25 | 4.3 | 4.6 | 36 926 | 580 | 0.94 | | 35 | 3.5 | 2.0 | 17 346 | 186 | 0.97 | | -0.7 | 15 | 14.0 | 120.0 | 956 568 | 3 500 | 0.99 | | 25 | 11.2 | 6.0 | 46 187 | 1 012 | 0.98 | | 35 | 6.7 | 3.6 | 27 712 | 607 | 0.98 | | -1.5 | 15 | 19.0 | 140.0 | 1 345 487 | 8 000 | 0.99 | | 25 | 13.6 | 42.7 | 101 476 | 10 046 | 0.97 | | 35 | 10.1 | 19.7 | 38 837 | 5 746 | 0.99 |
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