Analysis of the Ultimate Bearing Capacity Law of the Shallow Foundation on the Soil-Rock Mixed Slope Based on the Finite Element Limit Method. - Zeng, Yongqing; Hu, Weidong; Li, Bin; Liu, Guohuang; Tan, Xinyi; Liu, Xiaohong; Luo, Hua; Gan, Wenju (Engineering Letters, 2026)