【摘要】 在桩竖向位移作用下,桩侧摩阻力随桩位移逐步加大,呈非线性增长。本文根据粘性土大直径桩在竖向荷载作用下物理变化过程的力学特性,建议桩侧摩阻力的模型采用双曲线模型,其参数可通过室内土工试验和原位测试确定。并通过长春地区大直径灌注桩的侧摩阻力实测数据验证了本文的结论。更多还原

【Abstract】 Based on analyzing the characteristic of soil resistance surrounding large-diameter pile,the hyperbola model of soil resistance surrounding pile and the parameters of the model by the experiment were given. The conclusions in this paper are proven by experiments of the large-diameter pile in CHANG CHUN.更多还原