A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Prediction of Settlement of Pile Groups
The interactions among closely located piles are complex in super-long pile groups. Few data are available on the testing of full-scale bored pile groups in the field. To investigate the behavior of super-long bored pile groups, axial static load testing of in-situ and full-scale instrumented pile groups and single piles were performed. An alternative to modeling pile interaction and calculating individual pile response is to model the pile group as a single foundation unit in what is referred to as the equivalent pier method. Based on nonlinear pile-soil-pile interaction modeled by hyperbolic load-transfer functions and the group effect of reduction of stiffness and increase of head settlement, it was found that the initial stiffness reduction coefficient β of 0.3 is suitable while the value of g ranges from 0.15 - 0.4 for this field tested pile group.
Prediction of Settlement of Pile Groups
The interactions among closely located piles are complex in super-long pile groups. Few data are available on the testing of full-scale bored pile groups in the field. To investigate the behavior of super-long bored pile groups, axial static load testing of in-situ and full-scale instrumented pile groups and single piles were performed. An alternative to modeling pile interaction and calculating individual pile response is to model the pile group as a single foundation unit in what is referred to as the equivalent pier method. Based on nonlinear pile-soil-pile interaction modeled by hyperbolic load-transfer functions and the group effect of reduction of stiffness and increase of head settlement, it was found that the initial stiffness reduction coefficient β of 0.3 is suitable while the value of g ranges from 0.15 - 0.4 for this field tested pile group.
Prediction of Settlement of Pile Groups
Dai, Guo-liang (author) / Yang, Chao (author) / Gong, Wei-ming (author)
Second International Conference on Transportation Information and Safety ; 2013 ; Wuhan, China
ICTIS 2013 ; 191-198
2013-06-11
Conference paper
Electronic Resource
English
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