Abstract
On the basis of the two dimensional finite element analysis model, the pile foundations’ mechanical effect of the rigid pile composite foundation under the dynamic load was researched. Through the research, the development law and deformation property of axial force of pile body, shaft resistance of pile, and cumulative settlement of pile head under vertical cyclic dynamic loads were concluded. Through the comparison and analysis of the test results of dynamic models, the test results of Poulos (1989) and cumulative settlement model of the single pile under cyclic loads were confirmed. Based on the above research, Fortran language was adopted to introduce the soil attenuation factor, the secondary development of relevant modules of ABAQUS was carried out, and the effect of soil attenuation factor on dynamic property of pile-soil was discussed further.
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Foundation item: Projects(51478178, 51508181) supported by the National Natural Science Foundation of China
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Zhao, Mh., Heng, S. & Zheng, Y. Numerical simulation on behavior of pile foundations under cyclic axial loads. J. Cent. South Univ. 24, 2906–2913 (2017). https://doi.org/10.1007/s11771-017-3704-5
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DOI: https://doi.org/10.1007/s11771-017-3704-5