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本文研究珠江三角洲饱和粘土的微结构特性。通过取原状土样、冷冻、升华获得原状土微结构样品;用电子显微镜扫描拍摄原状结构的像片;经电脑图像处理后可以得到一系列饱和粘土的结构参数;这些参数都能很好地解释工程实际状况,从而通过饱和粘土的微结构研究来解决建在这种土地基上的工程稳定和工后沉降问题。
This paper studies the microstructure characteristics of saturated clay in the Pearl River Delta. The undisturbed soil microstructure samples were obtained by taking the undisturbed soil samples, frozen, sublimated, and photographs of the original structure were taken by electron microscopy scanning; the structural parameters of a series of saturated clays can be obtained after computer image processing; these parameters can be well explained. The actual status of the project, through the study of the microstructure of the saturated clay, solves the problem of engineering stability and post-construction settlement built on this type of ground.