LOAD TRANSFER AND BEARING CAPACITY OF PILES JACKED INTO SANDY DEPOSITS

Zhang Shimin; Yu Feng

doi:10.13204/j.gyjz200705016

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Zhang Shimin, Yu Feng. LOAD TRANSFER AND BEARING CAPACITY OF PILES JACKED INTO SANDY DEPOSITS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 61-64. doi: 10.13204/j.gyjz200705016

Citation:

Zhang Shimin, Yu Feng. LOAD TRANSFER AND BEARING CAPACITY OF PILES JACKED INTO SANDY DEPOSITS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 61-64. doi: 10.13204/j.gyjz200705016

Zhang Shimin, Yu Feng. LOAD TRANSFER AND BEARING CAPACITY OF PILES JACKED INTO SANDY DEPOSITS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 61-64. doi: 10.13204/j.gyjz200705016

Citation:

Zhang Shimin, Yu Feng. LOAD TRANSFER AND BEARING CAPACITY OF PILES JACKED INTO SANDY DEPOSITS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(5): 61-64. doi: 10.13204/j.gyjz200705016

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LOAD TRANSFER AND BEARING CAPACITY OF PILES JACKED INTO SANDY DEPOSITS

doi: 10.13204/j.gyjz200705016

Zhang Shimin¹,
Yu Feng²

1.
1 Zhejiang University City College Hangzhou 310024;
2.
2 College of Architecture &Engineering,Zhejiang Sci-Tech University Hangzhou 310018

Received Date: 2006-04-16
Publish Date: 2007-05-20

Abstract

Abstract

It is reported a series of tests on three long H-piles installed into sandy deposits.Two of the piles was installed by a 900t jacking machine in accordance with a pre-creep termination criterion.The other pile was installed by hydraulic hammer in accordance with the requirement of final sets.Vibrating wire strain gauges were installed along the piles to investigate the load-transfer characteristics during load tests.The test results show that the jacked piles behave as friction piles while the driven pile is much more end-bearing.The driven pile was founded on deeper and stiffer soil stratum than the jacked piles.However,its ultimate bearing capacity is not higher than the jacked pile that ever experienced jacking load as large as 2.5 times of the working load.The bearing capacities of the jacked piles are highly related to the level of jacking load applied during installation.The pre-creep termination criterion takes great effect on reducing the creep settlements of the jacked piles during load tests,hence increasing their bearing capacities.
- jacked pile,
- sandy soil,
- pile-load test,
- load transfer,
- bearing capacity

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References(12)

References

[2] BCP Committee.Field Tests on Piles in Sand.Soils Foundations,1971,11(2):29-49

Yu F.Behavior of Large Capacity Jacked Piles:[Ph.D.Thesis].Hong Kong:The University of Hong Kong,2004

[3] 史佩栋.实用桩基工程手册.北京:中国建筑工业出版社,1999

[4] 沈保汉.桩基础讲座系列之18:静压桩.建筑技术,2001,30(10):40-42

[5] Yu F,Chan S T,Yeung M R,et al.Behaviour of Jacked Pile in Hong Kong∥Proc.12th Pan-American Conf.Soil Mech.Geotech.Engrg.,Boston:2003

[6] Lee P K K,Tham L G,Chan S T,Recent Field Study on the Behaviour of Jacked Piles.The Structural Engineer,2004(10):19-22

[7] Yang J,Tham L G,Lee P K K,et al.Behaviour of Jacked and Driven Piles in Sandy Soil,Gotechnique,2006:56(4):245-259

[8] Yang J,Tham L G,Lee P K K,et al.Observed Performance of Long Steel H-Piles Jacked into Sandy Soils.J.Geotech.Geoenvir.Engrg.,ASCE,2006,132(1):24-35

[9] BS4:Past 1.H-Pile Products,1993

[10] GEO Pile Design and Construction.The Civil Engineering and Development Department of HKSARG,1996

[11] Ng C W W.Yau T L Y,Li J H M.et al.New Failure Load Criterion for Large Diameter Bored Piles in Weathered Geomaterials.J.Geotech.Geoenvir.Engrg.,ASCE,2001,127(6):488-498

[12] Li K S,Ho N C L,Tham L G,et al.Case Studies of Jacked Piling in Hong Kong.Research Report.Hong Kong:Centre for Research Professional Development and The University of Hong Kong,2003

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