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三、广珠高速公路试验路段工程情况(上接1999年第一期第6页)从土质分析中可知,这种饱和粘土孔隙比均接近2,可见土体的孔隙体积占总体积的66.7%,为土体中固体体积的2倍,这意味着土体的基本结构是空架式结构,在荷重作用下将发生怎样的变形特性,值得深入研究。试验路段地基加固共分五种型式,每种加固型式的砂井间距和长度略有不同,现将沉降观测结果统计入表3中。从表中资料可以看出,
Third, the Guangzhou-Zhuhai Expressway experimental section of the project (on the next 1999 first period page 6) from the soil analysis shows that the saturated clay porosity ratio are close to 2, we can see that the volume of soil pore volume accounted for 66.7% of the total volume , Which is 2 times of the volume of the solid in the soil. This means that the basic structure of the soil is an empty frame structure, and what kind of deformation characteristics will occur under the action of load will deserve further study. There are five types of foundation reinforcement in the test section. The sand pit spacing and length of each reinforced type are slightly different. Now, the settlement observation results are summarized in Table 3. As can be seen from the data in the table,