ANALYSIS OF EXCESS PORE WATER PRESSURE CAUSED BY CONSTRUCTION OF SINGLE ENHANCEMENT CENTRIFUGAL PIPE

Fu Guihai; Wei Limin; Wang Yonghe; Zhou Hui

doi:10.13204/j.gyjz201102012

Volume 41 Issue 2

Dec. 2014

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Fu Guihai, Wei Limin, Wang Yonghe, Zhou Hui. ANALYSIS OF EXCESS PORE WATER PRESSURE CAUSED BY CONSTRUCTION OF SINGLE ENHANCEMENT CENTRIFUGAL PIPE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(2): 45-48,56. doi: 10.13204/j.gyjz201102012

Citation:

Fu Guihai, Wei Limin, Wang Yonghe, Zhou Hui. ANALYSIS OF EXCESS PORE WATER PRESSURE CAUSED BY CONSTRUCTION OF SINGLE ENHANCEMENT CENTRIFUGAL PIPE[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(2): 45-48,56. doi: 10.13204/j.gyjz201102012

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ANALYSIS OF EXCESS PORE WATER PRESSURE CAUSED BY CONSTRUCTION OF SINGLE ENHANCEMENT CENTRIFUGAL PIPE

doi: 10.13204/j.gyjz201102012

1.
1. College of Civil and Architectural Engineering,Central South University,Changsha 410075,China;
2.
2. College of Civil Engineering,Hunan City University,Yiyang 413000,China;
3.
3. College of City Management Engineering,Hunan City University,Yiyang 413000,China

Received Date: 2010-09-05
Publish Date: 2011-02-20

Abstract

Abstract

Prestressed concrete pipes construction by hammer can produce high excess pore water pressure in deep soft soils because of violent disturbance and poor permeability of soft soil.Through analyzing the data of excess pore pressure in sites,it was analysed excess pore pressures distribution distance against the pile and along depth,and was also studied excessive pore water pressure change in different time of single pile construction.The analysis results show that the notable influencing range of single pile construction is about 17.5 times of the pile diameter,and the peak excess pore pressure does not necessarily appear at the end of the last section pile construction,and excess pore water pressure caused by the construction of single enhancement centrifugal pile dissipates faster than that induced by normal prestressed concrete,and 70% to 80% excess pore water pressure can be dissipated after 4 hours in the end of single pile construction.
- soft soils,
- enhancement centrifugal pile,
- single pile,
- piles-driving,
- excess pore water pressure

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References(12)

References

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