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In Situ Test on Pile-Soil Stress Ratio of CFG Pile Composite Foundation under Embankment Load
The in-situ test of stress ratio of CFG pile composite foundation for the express way from Dexing to Nanchang in Jiangxi province is done, the test results of the pile-soil stress ratio of CFG pile composite foundation under different pile distance during embankment filling period and under loading test bearing board are analyzed, to investigate the principle of gained—pile-soil stress ratio changing with the time of the loading. The result indicates that the variation of pile-soil stress ratio under embankment load is quite different from that under rigid load. The pile-soil stress ratio under embankment load is less than that under the loading test. With the increasing load, there is a great increase at the beginning and decrease afterwards which is followed by flucations. Finally, it remains steady at the range of 1.18∼2.26 and stays almost unchanged even the consolidation time changes. The pile-soil stress ratio is declining as the pile distance is becoming wider. The changes will decrease to a minimum as the pile distance is expanding to a certain degree.
In Situ Test on Pile-Soil Stress Ratio of CFG Pile Composite Foundation under Embankment Load
The in-situ test of stress ratio of CFG pile composite foundation for the express way from Dexing to Nanchang in Jiangxi province is done, the test results of the pile-soil stress ratio of CFG pile composite foundation under different pile distance during embankment filling period and under loading test bearing board are analyzed, to investigate the principle of gained—pile-soil stress ratio changing with the time of the loading. The result indicates that the variation of pile-soil stress ratio under embankment load is quite different from that under rigid load. The pile-soil stress ratio under embankment load is less than that under the loading test. With the increasing load, there is a great increase at the beginning and decrease afterwards which is followed by flucations. Finally, it remains steady at the range of 1.18∼2.26 and stays almost unchanged even the consolidation time changes. The pile-soil stress ratio is declining as the pile distance is becoming wider. The changes will decrease to a minimum as the pile distance is expanding to a certain degree.
In Situ Test on Pile-Soil Stress Ratio of CFG Pile Composite Foundation under Embankment Load
Zhang, Hong (author) / Liu, Youping (author) / Li, Jianhua (author) / Zhou, Yuanfang (author)
Third International Conference on Transportation Engineering (ICTE) ; 2011 ; Chengdu, China
ICTE 2011 ; 1511-1516
2011-07-13
Conference paper
Electronic Resource
English
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