MECHANISM AND DESIGN METHOD OF GROUND IMPROVEMENT BY RESONANCE COMPACTION METHOD

Chen Fuquan; Cao Qijun

doi:10.13204/j.gyjz201206025

Volume 42 Issue 6

Dec. 2014

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Abstract

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Chen Fuquan, Cao Qijun. MECHANISM AND DESIGN METHOD OF GROUND IMPROVEMENT BY RESONANCE COMPACTION METHOD[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(6): 117-121. doi: 10.13204/j.gyjz201206025

Citation:

Chen Fuquan, Cao Qijun. MECHANISM AND DESIGN METHOD OF GROUND IMPROVEMENT BY RESONANCE COMPACTION METHOD[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(6): 117-121. doi: 10.13204/j.gyjz201206025

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MECHANISM AND DESIGN METHOD OF GROUND IMPROVEMENT BY RESONANCE COMPACTION METHOD

doi: 10.13204/j.gyjz201206025

1.
School of Civil Engineering,Fuzhou Universtiy,Fuzhou 350108,China

Received Date: 2011-12-01
Publish Date: 2012-06-20

Abstract

Abstract

The resonance compaction method (MRC ) , using high frequency hydraulic vibratory hammer and MRCcompaction probe, is one of the most efficient way of vibratory compaction method for deep granular soils. The probeis oscillated in the vertical direction and the vibration energy is transmitted to the surrounding soil along the entireprobe surface. Then soils compaction is caused by vertically polarized shear waves. In the paper, mechanism of highfrequency deep vibratory compaction method for deep granular soil densification was studied. Mitchell' s method,which classified soils with respect to the grain size distribution, and Massarsch' s method based on the conepenetration test, were modified to preferably assess the compactability of deep granular soil. The design method ofconstruction scheme was put forward for MRC.
- vibratory hammer,
- granular soils,
- ground improvement,
- design method

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References(8)

References

Massarsch K R.Effects of Vibratory Compaction[C]//Proceedings of Vibratory Pile Driving and Deep Soil Compaction.Lisse:SwetsZeitlinger,2002:33-42.

[2] Massarsch K R.Deep Soil Compaction Using Vibratory Probes[C]//Proceedings of Deep Foundation Improvements:Design,Construction,and Testing.Philadelphia.1991:297-319.

[3] Bodare A,Orrje O.Impulse Load on a Circular Surface in anInfinite Elastic Body-Closed Solution According to the Theory ofElasticity[D].Stockholm:Royal Institute of Technology(KTH),1985:99-113.

[4] Mitchell J K.Soil Improvement-State-of-the-Art[C]//Proceedings of 10th International Conference on Soil Mechanicsand Foundation Engineering.Stockholm:1982:509-565.

[5] 曹琪君.饱和砂性土地基深层竖向高频振动致密机理的颗粒离散元模拟[D].福州:福州大学,2011.

[6] 《地基处理手册》编写委员会.地基处理手册[M].3版.北京:中国建筑工业出版社,2008.

[7] Holeyman A E.Soil Behavior Under Vibratory Driving[C]//Proceedings of Vibratory Pile Driving and Deep Soil Compaction.Lisse:SwetsZeitlinger,2002:3-19.

[8] Green P A,Padfield C J.A Field Study of Ground ImprovementUsing Vibroflotation[C]//Proceedings of the 8th EuropeanConference on Soil and Foundation Engineering.Helsinki.1983:241-248.

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