曹晓中
    （中石化扬子石油化工设计院  南京 210048）

[提要]  利用弹性力学平面问题的Lame解答，假定土体为理想线弹性体，从理论上探讨了锥式短桩的作用机理和单桩承载力的弹性解答，推导了圆锥式短桩复合地基承载力和沉降的计算式。文章还结合扬子石化公司乙烯工程一些地基处理采用锥式短桩复合地基的方法，阐明了锥式短桩实际工程应用情况。
[关键词]  锥式短桩 复合地基 弹性解答

Supposing the ground is ideal linear elastic body, this paper analvzes the effect mechanism of the circular cone style short pile theoretically by means of Lame solution for plane problem of elastic mechanics and gives the calculating formulas for bearing and settlement of the compoite ground, also presents the application of the circular cone style short pile concerning with the ground treatment in the engineerings in Yangzi Petrochemical Corporation Synopec.
Keywords: circular cone style short pile; elastic solution; composite ground