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首页> 外文期刊>Ground improvement >Lessons learned from 11 million m~2 of dynamic compaction and replacement
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Lessons learned from 11 million m~2 of dynamic compaction and replacement

机译：从1100万平方米的动力压实和更换中学到的经验教训

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摘要

Dynamic replacement (DR) and dynamic compaction (DC) have been used effectively as ground improvement techniques to reduce settlement, increase bearing capacity and mitigate liquefaction. A case study of 11 million m~2 of ground improvement work, using DC and DR, is presented to define lessons that can be learned. Before the ground improvement work, an extensive soil field testing campaign was completed, which revealed the heterogeneity of the soil strata: the type of soil encountered, its stiffness and the depth of the weak soil to be improved. A comprehensive analysis of the soil testing allowed the identification of the appropriate ground improvement techniques to meet the project schedule and achievement of the required bearing capacity and the permitted settlement. The results of the ground improvement work are discussed in this paper. Also, the lessons learned from the ground improvement work are presented.
机译：动态置换（DR）和动态压实（DC）已被有效地用作地面改良技术，以减少沉降，增加承载能力并减轻液化。通过DC和DR，对1100万平方米的地面改良工作进行了案例研究，以定义可以吸取的经验教训。在进行地面改良之前，已完成了广泛的土壤田间试验活动，揭示了土壤地层的异质性：遇到的土壤类型，其刚度和待改良的弱土的深度。对土壤测试的全面分析可以确定合适的地面改良技术，以满足项目进度，并实现所需的承载力和允许的沉降。本文讨论了地面改良工作的结果。此外，还将介绍从地面改进工作中学到的经验教训。

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