江苏沿海高速公路软土路基问题的工程地质分析

根据江苏作州－连云港高速公路软土地基工程地质问题的出现，就该地区的水文工程地质条件，软土分布规律，分布特点，典型路段软土的力学指标进行了深入的分析，探讨，认为我国沿海地区高速公路软土地基出现的地质灾家多是因为软土层纵横断面厚薄分布不均，勘测过程中现场及室内试验提供的设计指标与实际差异过大等综合因素造成。经综合对比，指出高速公路软土地基勘测应选用合理的手段，提出勘测设计指标的确定应以十字板，静力触探（CPT）现场试验为准。

Engineering Geological Analysis of Problems of Soft-Soil Foundation for Expressway in Coastal Area of Jiangsu Province

Based on problems arising in the geological engineering of the soft soil foundation for Xuzhou to Lianyungang expressway construction in Jiangsu Province,a profound analysis for and inquiry into the geological condition of hydrology engineering in the area,soft soil distributing regularity,the property of its distribution and mechanical behaviors of soft soil layers on some typical parts of the expressway construction are given A summary of the causes of uneven distribution of thick and thin soft soil layers of vertical section,the great differences between the designed targets which have brought about the problems of engineering geology with soft soil foundation for expressway construction is also offered.By conmparing comprehensively with the problem of engineering geology with soft soil foundation for expressway construction in the coastal area and summing up application of feasible means in prospecting soft soil foundation for expressway construction,the target designing of prospecting surggested can be determined according to the vane shear test and CPTin situ test.