Analysis on Pile-Soil Stress Ratio of Composite Foundation with Sparse Capped-Piles under Lime-Soil Embankment Load: Fid-Bau Portal

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Analysis on Pile-Soil Stress Ratio of Composite Foundation with Sparse Capped-Piles under Lime-Soil Embankment Load

Liu, Wei-Zheng / Zhang, Jun-Hui / Zhang, Hao

The combined effect of the embankment fill, piles and caps, and foundation soils on the load transfer characteristics of sparse capped-piled embankment is very significant. Using the modified cylindrical shear stress transfer model based on Marston soil pressure theory, a new calculation method for pile-soil stress ratio of sparse rigid pile composite foundation incorporating the arching effect in lime-soil and soil-pile interaction was presented. The presented method is verified by comparison between analytical solutions and the observed results from a practical project. In addition, a parametric study was also conducted to evaluate the influence of the embankment height, the cohesion of fill and pile-soil stiffness ratio on the pile-soil stress ratio.

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Analysis on Pile-Soil Stress Ratio of Composite Foundation with Sparse Capped-Piles under Lime-Soil Embankment Load

Liu, Wei-Zheng / Zhang, Jun-Hui / Zhang, Hao

The combined effect of the embankment fill, piles and caps, and foundation soils on the load transfer characteristics of sparse capped-piled embankment is very significant. Using the modified cylindrical shear stress transfer model based on Marston soil pressure theory, a new calculation method for pile-soil stress ratio of sparse rigid pile composite foundation incorporating the arching effect in lime-soil and soil-pile interaction was presented. The presented method is verified by comparison between analytical solutions and the observed results from a practical project. In addition, a parametric study was also conducted to evaluate the influence of the embankment height, the cohesion of fill and pile-soil stiffness ratio on the pile-soil stress ratio.

Analysis on Pile-Soil Stress Ratio of Composite Foundation with Sparse Capped-Piles under Lime-Soil Embankment Load

Liu, Wei-Zheng / Zhang, Jun-Hui / Zhang, Hao

The combined effect of the embankment fill, piles and caps, and foundation soils on the load transfer characteristics of sparse capped-piled embankment is very significant. Using the modified cylindrical shear stress transfer model based on Marston soil pressure theory, a new calculation method for pile-soil stress ratio of sparse rigid pile composite foundation incorporating the arching effect in lime-soil and soil-pile interaction was presented. The presented method is verified by comparison between analytical solutions and the observed results from a practical project. In addition, a parametric study was also conducted to evaluate the influence of the embankment height, the cohesion of fill and pile-soil stiffness ratio on the pile-soil stress ratio.

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Title:

Analysis on Pile-Soil Stress Ratio of Composite Foundation with Sparse Capped-Piles under Lime-Soil Embankment Load

Contributors:

Liu, Wei-Zheng (author) / Zhang, Jun-Hui (author) / Zhang, Hao (author)

Published in:

Advances in Civil and Structural Engineering III, ICCET, International Conference on Civil Engineering and Transportation, 3 ; 124-131

Applied Mechanics and Materials ; 501-504

Publication date:

2014

Size:

8 Seiten

ISSN:

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.501-504.124

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Darstellungsmethode , Scherspannung , Bodendruck , Kohäsion , Parameterstudie , Pfahlgründung , Lastcharakteristik , Kalkulationsmethode , Komposit , Steifigkeit

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