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Comparison of Press-Replace Method and Material Point Method for analysis of jacked piles
Institution:1. Unit Geoengineering, Deltares, The Netherlands;2. Faculty of Civil Engineering and Geosciences, Delft University of Technology, Deltares, Delft, The Netherlands;3. Faculty of Civil Engineering and Geosciences, Delft University of Technology and Manager Research & Projects, PLAXIS BV, Delft, The Netherlands;1. Institute of Geotechnical Engineering, Hunan University, Changsha 410082, PR China;2. School of Civil Engineering and Architecture, Changsha University of Science & Technology, Changsha 410114, PR China;1. Durham University, Stockton Rd, Durham DH1 3LE;2. University of Dundee, Nethergate, Dundee DD1 4HN;3. University of Southampton, Highfield, Southampton SO17 1BJ;1. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong;2. Research Institute of Civil Engineering and Mechanics (GeM), UMR CNRS 6183, Ecole Centrale de Nantes, Nantes, 44321, France;3. University of Lyon, INSA Lyon, Laboratoire GEOMAS, Villeurbanne 69621, France
Abstract:In this study, installation of jacked piles in sand is simulated using Press-Replace Method (PRM) and Material Point Method (MPM) and the results are compared together. This comparison is important because a realistic and yet efficient simulation of installation of jacked piles is an appealing step towards the design and analysis of this type of displacement piles. It is shown that PRM as a method that is founded on small-strain finite element method can produce pile and soil responses that are in a promising agreement with those of MPM which is a finite-deformation analysis method.
Keywords:Jacked piles  Sand  Numerical analysis  Press-Replace method  Material Point Method
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