Zhao, F., Qiu, Z., Pan, K., Zheng, Y.*, and Wu, Q.**(2024). Liquefaction resistance of anisotropically consolidated sand under monotonic and cyclic undrained torsional shear. Soil Dynamics and Earthquake Engineering. https://doi.org/10.1016/j.soildyn.2024.108553
论文通过空心圆柱扭剪试验,研究了初各向异性固结对饱和砂土液化特性的影响。研究结果表明,各向异性固结砂具有残余应变积累和循环流动两种典型的破坏特征。应力诱导各向异性对循环抗力的影响可用主应力轴的旋转情况来解释。通过试验结果,将试样破坏所需循环次数与初始各向异性应力状态和静载相变抗剪强度相联系,提出了统一循环应力比指标。该指标可为各向异性固结条件下砂土抗液化能力的评价提供参考。