This study investigates the strain development in saturated silty soil from Yellow River under varying initial consolidation inclination angles by principle stress rotation tests. The results indicate that distinct patterns in axial

circumferential and torsional shear strains show the influence of on the mechanical response of silty soil. Notably

the axial strain exhibits compressive behaviour at =90° during the first cycle

while the circumferential strain displays tensile behaviour. Anisotropy initiates at around =90° and =60° for other angles. Different values of exhibit stabilization trends in strain fluctuations

with =90° and =75° showing intriguing similarities. The case of =45° is distinctive

exhibiting the highest fluctuation and strain amplitude. Torsional shear strain similarities are observed among most angles

except for =90° and =60°. Volumetric strain highlights the significant impact of consolidation angle inclination on anisotropic characteristics. As the initial solidification angle increases

the hysteresis curve shifts left

indicating cyclic creep characteristics

with negligible shear strain observed for =60°. As the cycle period increases

the hysteresis loop contracts

indicating continuous strengthening and eventual stabilization of shear stiffness. This comprehensive study provides valuable insights into the complex behaviour of saturated silty soil under rotational stress conditions

highlighting the role of initial consolidation inclination angles in shaping its mechanical response.