Engineering geological structure establishment and conditions assessment integrating land and sea in Shanghai coastal area
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摘要: 上海新一轮城市总体规划提出了面向海洋发展的战略，对地质工作提出了新的需求。文章充分分析了上海海岸带陆域和水域大量工程地质钻孔资料，以第四纪地质研究成果为构建基本原则，构建了海陆一体工程地质结构，共划分出了10个工程地质层和19个亚层及次亚层，分析得出了主要特殊土体有冲填土、软土、液化砂土等。文章评价了海陆一体工程地质条件，受古河道切割影响工程地质条件总体较为复杂，在此基础上提出了工程地质条件分区，为沿江沿海工程建设提供了基础依据。Abstract: The new Shanghai city general plan presents that Shanghai should develop the ocean, and puts forward the demand for the geology work. Based on analyzing a large amount of engineering geological drills information in Shanghai coastal area, and also combined the study result of Quaternary, this paper establishes the engineering geological structure integrating land and sea, and divides 10 engineering geological layers and 19 sub-layers. And through the study, this paper points out that dredger fill, soft soil, and liquefaction sand soil are the main special soils in Shanghai coastal area. According to analyze the geological conditions, this paper draws a conclusion that generally, the engineering geological conditions are complicated, and carries out engineering geological conditions division, which can provide the basic information for project construction.
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