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Main Title: Numerical evaluation of the soil behavior during pipe-pile installation using impact and vibratory driving in sand
Author(s): Daryaei, Reza
Bakroon, Montaser
Aubram, Daniel
Rackwitz, Frank
Type: Article
Abstract: Pipe-piles are installed using impact or vibratory driving which influences the soil in different ways including the void ratio and stress distribution. Such complex problems are hard to investigate on the field as well as using numerical methods. Here, a sophisticated numerical approach is employed to evaluate the soil behavior during pile installation. Also, a sensitivity analysis on the frequency and the impact duration is done for vibratory and impact driving, respectively. The investigation includes the required force of the pile installation, pile penetration behavior, plugging formation inside the pile, and the change of the soil state including the change in the horizontal stress and density around the pile during the installation. Results of the numerical model show several advantages of vibratory driving over impact driving in the dense sand including, reaching the designated depth using less momentum and work as well as more soil compaction.
Subject(s): pipe-pile installation
impact and vibratory driving
soil-structure interaction
Multi-material arbitrary Lagrangian-Eulerian
granular soil
Issue Date: 30-Apr-2020
Date Available: 20-Aug-2020
Language Code: en
DDC Class: 550 Geowissenschaften
Journal Title: Soil Dynamics and Earthquake Engineering
Publisher: Elsevier
Volume: 134
Article Number: 106177
Publisher DOI: 10.1016/j.soildyn.2020.106177
EISSN: 1879-341X
ISSN: 0267-7261
TU Affiliation(s): Fak. 6 Planen Bauen Umwelt » Inst. Bauingenieurwesen » FG Grundbau und Bodenmechanik
Appears in Collections:Technische Universit├Ąt Berlin » Publications

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