盐城市某港区砂土液化评价体系建立
Coal Geology of China（2017）
Abstract
砂土液化引起的地基土大变形是港口工程破坏的重要原因.因此,港口地区的液化判别方法选择的合理性、判别结果的准确性就显得尤为重要.针对某港区砂土液化问题,选择临界标贯击数法、Seed简化法、BP神经网络法、基于GIS的液化判别法等四种液化评价方法,进行砂土液化势评价并分析对比,建立基于GIS三维液化评价体系.结果表明:研究区15m以上砂土液化趋势较大,15m以下液化趋势较小.
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Key words
sandy soil liquefaction,discrimination method,results contrast,assessment system
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