基于快速固结的某地区第四纪黏性土高压固结试验研究

文章采用压力调整方法,对第四纪黏性土进行快速高压固结处理,选取地层压缩系数、地层固结系数、土地层固结状态作为高压固结试验指标展开试验研究。试验结果表明,不同深度的土层固结系数容易受压力变化的影响,浅层土样压缩系数随着压力的变化幅度较大,地层固结压力随着深度的增加而变大。此试验结论为建筑工程地基沉降问题的解决提供了参考依据。

In this paper, the Quaternary clay is treated by rapid high-pressure consolidation by using the pressure adjustment method, and the formation compression coefficient, formation consolidation coefficient and soil consolidation state are selected as the high-pressure consolidation test indexes. The test results show that the consolidation coefficient of soil layer with different depth is easily affected by the change of pressure, the compression coefficient of shallow soil sample varies greatly with the change of pressure, and the formation consolidation pressure increases with depth. The conclusion of the test provides a reference basis for solving the problem of foundation settlement in building engineering.