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Centrifuge model testing on super-long rock-socketed bored piles under vertical loading
There are no appropriate theories and methods of computation yet which could quantitatively analyze the stress and strain of super-long rock-socketed bored piles and simulate the full process of pile deformation. The bearing behavior and settlement characteristics are complicated because of the construction techniques, characteristics of overlying deposit soil and rock, pile material, geometrical configuration and load in particular. In this paper, the authors introduce the case of the Tianxingzhou Bridge pile foundation, analyzed through the Centrifuge Model Test (CMT). The results indicate that, for large-diameter rock-socketed bored piles, sufficient pile-soil displacement is essential for the effect of pile lateral friction in overlying soil layers. It is also shown that the load is borne by pile lateral friction and end resistance, and that the load transfer behavior of the rock-socketed pile group foundation has similar characteristics to large-diameter rock-socketed single pile.
Centrifuge model testing on super-long rock-socketed bored piles under vertical loading
There are no appropriate theories and methods of computation yet which could quantitatively analyze the stress and strain of super-long rock-socketed bored piles and simulate the full process of pile deformation. The bearing behavior and settlement characteristics are complicated because of the construction techniques, characteristics of overlying deposit soil and rock, pile material, geometrical configuration and load in particular. In this paper, the authors introduce the case of the Tianxingzhou Bridge pile foundation, analyzed through the Centrifuge Model Test (CMT). The results indicate that, for large-diameter rock-socketed bored piles, sufficient pile-soil displacement is essential for the effect of pile lateral friction in overlying soil layers. It is also shown that the load is borne by pile lateral friction and end resistance, and that the load transfer behavior of the rock-socketed pile group foundation has similar characteristics to large-diameter rock-socketed single pile.
Centrifuge model testing on super-long rock-socketed bored piles under vertical loading
Gao, Rui (author) / Zeng, Youjin (author) / Zhu, Bin (author)
Geomechanics and Geoengineering ; 6 ; 21-29
2011-03-01
9 pages
Article (Journal)
Electronic Resource
English
Centrifuge model testing on super-long rock-socketed bored piles under vertical loading
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