人工制备土的结构性及其对应变局部化的影响

人工制备土的结构性及其对应变局部化的影响

凌道盛,李奖,王文军,胡成宝

Structure of artificial soils and its influence on strain localization

Dao-sheng LING,Jiang LI,Wen-jun WANG,Cheng-bao HU

表 5 结构性土样剪切带倾角实测值与理论值的对比结果

Tab.5 Comparison of measured values and theoretical values of inclination angle of shear bands in different structural soil samples

土样	σ₃ / kPa	θ_m/(°)	θ_MC/(°)	θ_R/(°)	θ_A/(°)	δ_e / %
土样	σ₃ / kPa	θ_m/(°)	θ_MC/(°)	θ_R/(°)	θ_A/(°)	θ_MC	θ_R	θ_A
A	25	54.22	56.21	45	50.61	3.67	−17.00	−6.67
	50	52.86	56.21	45	50.61	6.34	−14.87	−4.27
	100	56.98	56.21	45	50.61	−1.35	−21.02	−11.19
	200	57.13	56.21	45	50.61	−1.61	−21.23	−11.42
C_2.0	25	56.08	56.59	45	50.80	0.91	−19.76	−9.42
	50	54.47	56.59	45	50.80	3.89	−17.39	−6.75
	100	52.59	56.59	45	50.80	7.61	−14.43	−3.41
	200	56.31	56.59	45	50.80	0.50	−20.09	−9.79
C_1.5	25	53.81	56.16	45	50.58	4.37	−16.37	−6.00
C_1.5	50	53.62	56.16	45	50.58	4.74	−16.08	−5.67
C_1.0	25	55.67	57.05	45	51.03	2.48	−19.17	−8.34