如何预估膨胀土地基上房屋的变形是设计时需要解决的一个重要问题,目前国内外有不少关于这方面的计算公式。例如,澳大利亚、美国等提出的考虑由于土中吸水势季节变化引起的隆胀变形计算公式,但未考虑失水时产生的收缩变形;苏联在《建筑物地基设计指南》一书中,给出了在地基土浸水时和在表面覆盖及温湿状况变化条件 How to predict the deformation of houses on swelled ground is an important issue that needs to be solved at the time of design. At present, there are many calculation formulas in this area at home and abroad. For example, Australia, the United States, etc. proposed to consider the calculation formula for swelling deformation due to the seasonal variation of the water absorption potential in soil, but did not consider the shrinkage deformation caused by water loss; the Soviet Union gave in the book “Building Foundation Design Guide”. During the submergence of foundation soil and the conditions of surface coverage and temperature and humidity conditions