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Advances in Civil Engineering
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2020
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Article
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Tab 5
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Research Article
Assessment for Thermal Conductivity of Frozen Soil Based on Nonlinear Regression and Support Vector Regression Methods
Table 5
Fitting results of coarse and fine-grained soil categories.
Soil type
Ternary fitting
SVR
a
b
c
d
R
2
R
2
Fine-grained soil
−0.770
1.355
0.253
−0.102
0.80
0.85
Coarse-grained soil
−0.788
1.190
0.293
0.225
0.89
0.91