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通过对温福铁路浙江段部分软土地基采用强夯置换碎石墩加固试桩的研究,把强夯加固和碎石加固有机的结合起来,介绍其在加固软土地基中良好的加固效果和技术经济效益。强夯置换碎石墩在铁路客运专线软土路基加固中尚属首次使用,这为今后设计和施工加固同类型软土提供了一定的参考。
Through the research on strengthening test piles by using soft tamping and replacement of crushed stone piers on some soft soil foundations in Zhejiang section of Wenzhou-Fuzhou Railway, combining dynamic compaction and gravel consolidation, the article introduces its good reinforcement effect in strengthening soft ground and Technical and economic benefits. For the first time, it is the first time to use soft torn displacement macadam piers to reinforce soft soil subgrade in railway passenger dedicated line, which provides certain reference for the design and construction of the same kind of soft soil in the future.