季节冻土区扩底单桩受力性能研究进展与展望
黄旭斌, 盛煜, 黄龙, 何彬彬, 张玺彦

Study of mechanical behaviors of pile foundation with enlarged end in seasonally frozen ground regions: progress and review
Xubin HUANG, Yu SHENG, Long HUANG, Binbin HE, Xiyan ZHANG
图2 基础表面冻胀力示意图29
Fig.2 Schematic diagram of frost heave forces on surfaces of foundations29