Application with vibroflotation compaction method in coralline sand foundation treatment

LIU Feng; JIANG Wenhao; MEI Taotao; XU Chao

doi:10.20265/j.cnki.issn.1007-2993.2025-0086

Volume 40 Issue 3

Jun. 2026

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Article Navigation > GEOTECHNICAL ENGINEERING TECHNIQUE > 2026 > 40(3): 343-350

LIU Feng, JIANG Wenhao, MEI Taotao, XU Chao. Application with vibroflotation compaction method in coralline sand foundation treatment[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(3): 343-350. doi: 10.20265/j.cnki.issn.1007-2993.2025-0086

Citation:

LIU Feng, JIANG Wenhao, MEI Taotao, XU Chao. Application with vibroflotation compaction method in coralline sand foundation treatment[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(3): 343-350. doi: 10.20265/j.cnki.issn.1007-2993.2025-0086

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Application with vibroflotation compaction method in coralline sand foundation treatment

doi: 10.20265/j.cnki.issn.1007-2993.2025-0086

LIU Feng^{1, 2
,},
JIANG Wenhao³,
MEI Taotao^{1, 2},
XU Chao³

1.
CCCC Fourth Harbor Engineering Institute Co., Ltd., Guangzhou 510230, Guangdong, China
2.
CCCC Key Laboratory of Environment and Safety Technology of Transportation Infrastructure Engineering, Guangzhou 510230, Guangdong, China
3.
The Second Engineering Company of CCCC Fourth Harbor Engineering Co., Ltd., Guangzhou 510230, Guangdong, China

Received Date: 2025-02-26
Accepted Date: 2025-06-26
Rev Recd Date: 2025-04-29

Available Online: 2026-06-08

Publish Date: 2026-06-08

Abstract

Abstract

The foundation treatment method of coralline sand was introduced. By combining it with one port of the container terminal in Southeast Asia, research on applying the vibroflotation compaction method in the foundation treatment of coralline sand has been carried out, and the construction process and key construction parameters were determined. The results show that the vibroflotation compaction method for silt or silt mixed with sand layer reinforcement effect is poor, so the bottom elevation of treatment can be controlled in the above top of silt layer 0.5 m; when adopting 180 kW vibrator, 3.8 m, 4.3 m, 4.8 m vibration spacing all can meet the construction requirements and 4.3 m was the best. The relationship between vibration spacing x and the volume of backfill sand V and the sinking height after vibroflotation H was $ V=-1494.37+790.61x-91.61{x}^{2} $ and $ H=-3.46+1.85x-0.21{x}^{2} $, separately.
- coralline sand,
- foundation treatment,
- vibroflotation compaction method,
- static cone penetration test

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References(19)

References

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Application with vibroflotation compaction method in coralline sand foundation treatment

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