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Flexible Pile Group Interaction Factors under Arbitrary Lateral Loading in Sand

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2020
jmse-08-00800.pdf (11.04Mb)
Authors
Marjanović, Miloš
Vukićević, Mirjana
König, Diethard
Article (Published version)
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Abstract
Marine and harbor structures, wind turbines, bridges, offshore platforms, industrial chimneys, retaining structures etc. can be subjected to significant lateral loads from various sources. Appropriate assessment of the foundations capacity of these structures is thus necessary, especially when these structures are supported by pile groups. The pile group interaction effects under lateral loading have been investigated intensively in past decades, and the most of the conducted studies have considered lateral loading that acts along one of the two orthogonal directions, parallel to the edge of pile group. However, because of the stochastic nature of its source, the horizontal loading on the pile group may have arbitrary direction. The number of studies dealing with the pile groups under arbitrary loading is very limited. The aim of this paper is to investigate the influence of the arbitrary lateral loading on the pile group response, in order to improve (extend) the current design appro...ach for laterally loaded pile groups. Free head, flexible bored piles in sand were analyzed through the extensive numerical study. The main hypothesis of the research is that some critical pile group configurations, loading directions, and soil conditions exist, which can lead to the unsafe structural design. Critical pile positions inside the commonly used pile group configurations are identified with respect to loading directions. The influence of different soil conditions was discussed.

Keywords:
pile group interaction / lateral loading / PLAXIS 3D / Hardening Soil model / python
Source:
Journal of Marine Science and Engineering, 2020, 8
Publisher:
  • MDPI
Projects:
  • SFB 837 - Interaction Modeling in Mechanized Tunneling
  • SEEFORM
  • Towards development of sustainable cities: influence of traffic induced vibrations on buildings and humans (RS-36046)

DOI: 10.3390/jmse8100800

WoS: 000586220200001

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URI
https://grafar.grf.bg.ac.rs/handle/123456789/2089
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  • Катедра за грађевинску геотехнику
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