3D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic Soil

To evaluate the stability of a slope subjected to pile driving in nonhomogeneous and anisotropic soils, an upper-bound limit analysis method is employed in this paper. A 3D rotational failure mechanism for soil slope is extended to account for different failure patterns (i.e., toe failure and base f...

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Main Authors: Pingping Rao, Jian Wu, Zhihao Mo
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2020/7560219
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author Pingping Rao
Jian Wu
Zhihao Mo
author_facet Pingping Rao
Jian Wu
Zhihao Mo
author_sort Pingping Rao
collection DOAJ
description To evaluate the stability of a slope subjected to pile driving in nonhomogeneous and anisotropic soils, an upper-bound limit analysis method is employed in this paper. A 3D rotational failure mechanism for soil slope is extended to account for different failure patterns (i.e., toe failure and base failure). In order to avoid missing the global minimum, an efficient optimization method is simultaneously employed to find the least upper bound to the factor of safety (FS). The effectiveness and accuracy of the proposed method is well demonstrated by comparing the results obtained from the proposed approach with the solutions from published literatures. The effects of key designing parameters are presented and discussed. The optimal pile location and the three-dimensional effect of the slope are discussed. In addition, these results highlight that the adverse effects of pile driving on slope stability should be highly concerned during the design of geotechnical infrastructures, rather than emphasizing the reinforcement effect of a pile only.
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spelling doaj-art-ba4bd55dcdf34ac595b02fef539f6ad12025-02-03T06:46:56ZengWileyAdvances in Civil Engineering1687-80861687-80942020-01-01202010.1155/2020/756021975602193D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic SoilPingping Rao0Jian Wu1Zhihao Mo2School of Civil Engineering, Kashgar University, Kashgar, Xinjiang Uygur Autonomous Region, 844000, ChinaDepartment of Civil Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaDepartment of Civil Engineering, University of Shanghai for Science and Technology, Shanghai 200093, ChinaTo evaluate the stability of a slope subjected to pile driving in nonhomogeneous and anisotropic soils, an upper-bound limit analysis method is employed in this paper. A 3D rotational failure mechanism for soil slope is extended to account for different failure patterns (i.e., toe failure and base failure). In order to avoid missing the global minimum, an efficient optimization method is simultaneously employed to find the least upper bound to the factor of safety (FS). The effectiveness and accuracy of the proposed method is well demonstrated by comparing the results obtained from the proposed approach with the solutions from published literatures. The effects of key designing parameters are presented and discussed. The optimal pile location and the three-dimensional effect of the slope are discussed. In addition, these results highlight that the adverse effects of pile driving on slope stability should be highly concerned during the design of geotechnical infrastructures, rather than emphasizing the reinforcement effect of a pile only.http://dx.doi.org/10.1155/2020/7560219
spellingShingle Pingping Rao
Jian Wu
Zhihao Mo
3D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic Soil
Advances in Civil Engineering
title 3D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic Soil
title_full 3D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic Soil
title_fullStr 3D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic Soil
title_full_unstemmed 3D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic Soil
title_short 3D Limit Analysis of the Transient Stability of Slope during Pile Driving in Nonhomogeneous and Anisotropic Soil
title_sort 3d limit analysis of the transient stability of slope during pile driving in nonhomogeneous and anisotropic soil
url http://dx.doi.org/10.1155/2020/7560219
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