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首页> 美国政府科技报告 >Two Stage-Constructed Embankments on Organic Soils. Field and Laboratory Investigations. Instrumentation. Prediction and Observation of Behavior
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Two Stage-Constructed Embankments on Organic Soils. Field and Laboratory Investigations. Instrumentation. Prediction and Observation of Behavior

机译：有机土壤上两个阶段构造的堤防。实地和实验室调查。仪表。行为的预测和观察

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Two test embankments have been built on top of 8 meters of very soft organic and calcareous soils. The embankments have been built in stages and the increase in shear strength due to consolidation in the different stages has successfully been utilized in the construction of the subsequent stages. Vertical prefabricated drains were installed under one of the embankments. A comprehensive program of field and laboratory test was carried out before the construction of the embankments. A large amount of monitoring equipment was also installed in the ground under and outside the embankments. The behavior of the embankments in terms of settlements, horizontal displacements and pore pressures has been followed and the changes in soil properties have been measured. The behavior and the changes in properties have been compared to predictions using various methods of prediction. Special investigations have been carried out concerning the increase in shear strength at consolidation and the durability of prefabricated drains in harsh environmental conditions.

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