Evaluation of SHANSEP parameters for soft clay in HCM City

K. L. T. Chung, Phan Thi Hai Ha, Lenée Son
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Abstract

Located in a flat plain with an extensive covering of very soft clay, Ho Chi Minh city is still in its urbanization and urban expansion with an inevitable development in construction at rapid pace. SHANSEP parameters for soft clay in HCM City will be helpful for geotechnical engineers in quantifying the behavior of soft clay and proposing suitable solutions for soft ground improvement. This paper presents the results of 100 CIUC triaxial tests on 20 clay samples belonging to two different groups of soft clay (taken in Binh Thanh and Nha Be districts) tested with 5 different modes of OCRs, i.e. 1, 1.5, 2, 4, and 6. The test results are analyzed to obtain SHANSEP models with really high coefficient of determination (R2 ≈ 1).
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HCM市软土SHANSEP参数评价
胡志明市位于平坦的平原上,覆盖着大量的极软粘土。胡志明市仍处于城市化和城市扩张的阶段,建设的快速发展是必然的。HCM市软土的SHANSEP参数将有助于岩土工程师量化软土的性能,并提出相应的软土改造方案。本文介绍了100个CIUC三轴试验的结果,20个粘土样品属于两个不同的软粘土组(取自Binh Thanh和Nha Be地区),测试了5种不同模式的ocr,即1、1.5、2、4和6。对试验结果进行分析,得到具有较高决定系数(R2≈1)的SHANSEP模型。
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