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Record Nr. |
UNINA9910254100403321 |
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Autore |
Wang Rui |
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Titolo |
Single Piles in Liquefiable Ground : Seismic Response and Numerical Analysis Methods / / by Rui Wang |
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Pubbl/distr/stampa |
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Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2016 |
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ISBN |
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Edizione |
[1st ed. 2016.] |
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Descrizione fisica |
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1 online resource (131 p.) |
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Collana |
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Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053 |
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Disciplina |
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Soggetti |
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Geotechnical engineering |
Engineering geology |
Engineering—Geology |
Foundations |
Hydraulics |
Mechanics |
Mechanics, Applied |
Geotechnical Engineering & Applied Earth Sciences |
Geoengineering, Foundations, Hydraulics |
Solid Mechanics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references. |
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Nota di contenuto |
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Introduction -- Unified plasticity model for large post-liquefaction shear deformation of sand and its numerical implementation -- Seismic response analysis of single piles in liquefiable ground -- Downdrag analysis of single piles in post-liquefaction reconsolidating ground -- Conclusions. |
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Sommario/riassunto |
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This thesis focuses on seismic response of piles in liquefiable ground. A three-dimensional unified plasticity model for large post-liquefaction shear deformation of sand was formulated and implemented for parallel computing, based on which a three dimensional dynamic finite element analysis method for piles in liquefiable ground was developed. Through a combination of case analysis, centrifuge shaking table experiments and numerical simulations using the proposed methods, |
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the seismic response patterns of single piles in liquefiable ground were revealed, including: basic force-resistance mode, kinematic and inertial interaction coupling mechanism and major influence factors. A beam on nonlinear Winkler foundation (BNWF) solution and a modified neutral plane solution were developed and validated against centrifuge experiments for piles in consolidating and reconsolidating ground. The axial pile force and settlement during post-earthquake reconsolidation was studied, showing pile axial force to be irrelevant of the reconsolidation process while settlement to be process dependent. |
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