土层工程性质与其沉积环境关系分析研究

对江苏北部沿海地区与长江三角洲地区土层的工程性质进行分析对比 ,发现这两地区的土层在同一个历史时期所沉积但土层工程性质完全不一样。因此分析了该两地区在同一历史时期的沉积环境与当时的水动力条件与沉积物源的来源。由分析研究结果得到 ,土层的物理力学性质与该土层当时的沉积环境、水动力条件与沉积物源有重要的关系。因此对土层如果能了解其在沉积过程当中的沉积条件 ,更有利于分析研究该土层的物理力学性质

THE RELATIONSHIP BETWEEN THE GEOTECHNICAL PROPERTIES AND THE DEPOSITED ENVIRONMENT FOR THE SOIL

By comparing geotechnical properties of sediments of the same ages, it has been found that there are a great difference between the soils from the north of Jiangsu and the Yangtse River delta. The authors then assess the deposition environment and the dynamic conditions and the origin of deposits in the two areas at the same ages. The results indicate that the physical and the mechanical properties of soil are closely related to the deposition environment and dynamic conditions and the origin of deposits. Therefore, understanding conditions of the soil deposition is a key to characterization of the soil’s geotechnical properties.