主要研究内容 :①实测搅拌桩单桩和复合地基的桩的受力特征 ;②实测复合地基的基底反力分布规律和桩土应力比的变化规律 ;③比较与分析国内外水泥土室内试验结果 ,提出室内水泥土抗压强度的试验方法 ;④运用有限元的手段 ,探讨搅拌桩单桩与复合地基在垂直荷载作用下的强度、变 The main research contents are as follows: 1) The mechanical characteristics of the pile under single-pile mixing and composite foundation; ②The law of the distribution of the reaction force of the foundation and the stress ratio of pile-soil under the composite foundation; ③The comparison and analysis of the test results of the cement soil at home and abroad , Put forward the test method of compressive strength of indoor cement soil; ④ using finite element method to explore the strength of single pile and composite foundation under vertical load,