期刊
FRONTIERS OF STRUCTURAL AND CIVIL ENGINEERING
卷 10, 期 1, 页码 103-111出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s11709-015-0328-4
关键词
determination of interface parameters; pile-soil interaction; FLAC(3D); sensitivity analysis; layered soil
资金
- National Nature Science Foundation of China [41172260, 41372292, 51108393]
- Innovation Team of the Ministry of Education in China [IRT13092]
- Doctoral Fund of Southwest University of Science and Technology [15zx7152]
The numerical analysis of pile-soil interaction commonly requires a lot of trial works to determine the interface parameters and the accuracy cannot be ensured normally. Considering this, this paper first conducts a sensitivity analysis to figure out the influence of interface parameters on the bearing behavior of a single pile in sand. Then, a simplified method for the determination of pile-soil interface parameters in layered soil is proposed based on the parameter studies. Finally, a filed loading test is used for the validation of the simplified method, and the calculated results agree well with the monitoring data. In general, the simplified method proposed in this paper works with higher accuracy and consumes less time compared with the traditional trial works, especially on the determinations of interfacial cohesive and interfacial friction angle. (C) Higher Education Press and Springer-Verlag Berlin Heidelberg 2016
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