全深压实与水泥粉煤灰碎石处理湿陷性黄土的研究

建筑与工程前沿研究(英文) Pub Date : 2019-03-27 DOI:10.30564/FRAE.V2I1.485

Tao Xue, Shang Gao

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引用次数: 0

摘要

黄土地基的处理一直是一个难点。分析了CFG处理黄土地基的优势及机理，在工程地质的基础上，通过工程实例，提出了DDC与CFG复合处理的方案。试验表明，井下深度压实和水泥-粉煤灰-砾石复合地基处理是消除黄土湿陷性、提高承载力和改善复合地基性能的有效地基处理方法。

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The Research on Treating Collapsible Loess by Down Whole Deep Compaction and Cement Fly-ash Gravel

The treatment of loess foundation is always diffcult. The analysis of itsadvantages and mechanism of treating loess foundation by CFG, on thebase of project geology, through construction example, we suggest thecompound plan by both DDC and CFG. The tests illustrates that the downhole deep compaction and cement-ﬂy ash-gravel are effective foundationtreatment method to eliminate the collapsibility of loess, increase thebearing capacity and improve the behavior of composite foundations.

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建筑与工程前沿研究(英文)

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