《Table 2 Fitting parameters obtained by best fitting Eq. (11) on experimental data of relative coeff

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《孔径分布函数对水分在非饱和土体中迁移的作用（英文）》

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The fitting parameters such as af，nf，and mf in Fredlund and Xing（1994）’s equation and av，bv，and cv in van Genuchten（1980）’s model were obtained from the best fit procedure（by minimizing （50）(log（kri）-log（k?ri）） 2，where kri is the measured relative hydraulic conductivity and k?ri is the estimated relative hydraulic conductivity from Eq.（11）or Eq.（13）) ，which are as presented in Tables 2 and 3，respectively.The best fitting results for the relative hydraulic conductivity for these soils are illustrated in Fig.10.Subsequently，the determined fitting parameters in Tables 2and 3 were used to estimate the SWCC for these soils and the estimation results are illustrated in Fig.11.The coefficients of goodness between the estimated results and the experimental results of SWCC for these soils are presented in Table 4.