球模仪测试冻土松弛模量的非线性Kelvin解答及其试验研究

黄灿杰, 张泽, 金会军, 冯文杰, 金豆豆, MELNIKOV Andrey

Nonlinear Kelvin model solution of frozen soil relaxation modulus and experimental study based on spherical template indenter

Canjie HUANG, Ze ZHANG, Huijun JIN, Wenjie FENG, Doudou JIN, Andrey MELNIKOV

表5 冻结砂质黏土的力学参数

Table 5 Mechanics parameters of the frozen sandy clay

温度/℃ 轴向应力σ/MPa G0/MPa η/（MPa⋅s r ） r ν0 -5 1.4 14.210 1 098.0 0.155 0.35 2.3 10.280 884.8 0.171 0.35 3.4 1.495 655.5 0.135 0.35 -10 1.7 6.563 2 338.0 0.206 0.35 2.9 14.140 2 126.0 0.253 0.35 4.1 11.580 1 360.0 0.217 0.35 -15 2.6 14.620 2 588.0 0.234 0.35 4.4 13.440 2 409.0 0.264 0.35 6.2 12.740 1 367.0 0.211 0.35