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  11. Experimental Study On Deformation Of Sandy Soil Around Bucket Foundation Under Horizontal Load.

Experimental study on deformation of sandy soil around bucket foundation under horizontal load.

Miao Ren1

  • 1College of Architectural Engineering and Intelligent Construction, Zhengzhou Vocational University of Information and Technology, Zhengzhou, 450046, Henan, China. renmiao@haou.edu.cn.

Scientific Reports
|April 14, 2025

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View abstract on PubMed

Summary
This summary is machine-generated.

Investigating sandy soil deformation around bucket foundations under horizontal loading reveals distinct soil displacement fields and shear action patterns. Group efficiency is influenced by spacing and sand density.

Area of Science:

  • Geotechnical Engineering
  • Soil Mechanics

Background:

  • Bucket foundations are critical for offshore structures.
  • Horizontal loading significantly impacts foundation bearing behavior due to soil deformation.

Purpose of the Study:

  • To investigate the interplay between bucket foundations and sandy soil under horizontal loading.
  • To explore deformation and bearing features of soil around single and grouped bucket foundations.

Main Methods:

  • Integration of a model test system with particle imaging velocimetry (PIV).
  • Analysis of soil displacement fields (DF) and shear action.

Main Results:

  • Identified distinct soil displacement zones (active, passive, transition, circular disturbance, translational) and soil arching around single buckets.
Keywords:
Bucket foundationDigital image correlation (DIC)Group efficiencyHorizontal load

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  • Observed shear action patterns changing with sand density and bucket aspect ratio.
  • Quantified group efficiency's linear increase with space-diameter ratio and decrease with sand density.

    • Conclusions:

    • Soil deformation patterns are crucial for understanding bucket foundation performance under horizontal loads.
    • Sand density and bucket geometry significantly influence shear behavior and group efficiency.