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Single Piles in Liquefiable Ground: Seismic Response and Numerical Analysis Methods by Rui Wang (Hardcover, 2016)

This thesis focuses on the seismic response of piles in liquefiable ground. It describes the design of a three-dimensional, unified plasticity model for large post-liquefaction shear deformation of sand, formulated and implemented for parallel computing. It also presents a three-dimensional, dynamic finite element analysis method for piles in liquefiable ground, developed on the basis of this model,. Employing a combination of case analysis, centrifuge shaking table experiments and numerical simulations using the proposed methods, it demonstrates the seismic response patterns of single piles in liquefiable ground. These include basic force-resistance mode, kinematic and inertial interaction coupling mechanism and major influence factors. It also discusses a beam on the nonlinear Winkler foundation (BNWF) solution and a modified neutral plane solution developed and validated using centrifuge experiments for piles in consolidating and reconsolidating ground. Lastly, it studies axial pile force and settlement during post-earthquake reconsolidation, showing pile axial force to be irrelevant in the reconsolidation process, while settlement is process dependent.

Subject Area
Mechanical Engineering
Author
Rui Wang
Publication Name
Single Piles in Liquefiable Ground: Seismic Response and Numerical Analysis Methods
Format
Hardcover
Language
English
Subject
Geography & Geosciences, Geology
Publication Year
2016
Type
Textbook
Number of Pages
119 Pages

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