缩尺效应对砂砾石料力学特性及其本构模型的影响
崔熙灿,张凌凯,王建祥

Influence of scale effect on mechanical properties and constitutive model of gravel materials
Xican CUI,Lingkai ZHANG,Jianxiang WANG
表 2 不同尺寸砂砾石料的邓肯模型参数
Tab.2 Duncan model parameters of gravels with different sizes
D/mmφ0/(°)Δφ/(°)knkbmRfGF
30047.728.181 318.060.45719.080.150.820.52−0.04
40048.858.411 400.620.47765.460.180.830.48−0.11
50049.898.631 489.410.49813.290.200.830.44−0.12
80052.309.091 732.970.52947.680.250.850.41−0.12