JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE A

Accepted manuscript available online (unedited version)

A simplified analytical model for geosynthetic-reinforced pile-supported embankments with cohesive fills

Author(s): Xiang-Shen FU^1, ^2, ³, Ren-Peng CHEN^1, ^2, ³, Han-Lin WANG^1, ^2, ³, Xin KANG^1, ^2, ³, Daniel DIAS⁴
Affiliation(s): ¹College of Civil Engineering, Hunan University, Changsha 410082, China; more
Corresponding email(s): Han-Lin WANG, wanghanlin@hnu.edu.cn
Key Words: Geosynthetics; Cohesive fill; Pile-supported embankment; Soil arching effect; Load transfer; Simplified analytical model

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Xiang-Shen FU^1,^2,³, Ren-Peng CHEN^1,^2,³, Han-Lin WANG^1,^2,³, Xin KANG^1,^2,³, Daniel DIAS⁴. A simplified analytical model for geosynthetic-reinforced pile-supported embankments with cohesive fills[J]. Journal of Zhejiang University Science A,in press.Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/jzus.A2500135

@article{title="A simplified analytical model for geosynthetic-reinforced pile-supported embankments with cohesive fills",
author="Xiang-Shen FU^1,^2,³, Ren-Peng CHEN^1,^2,³, Han-Lin WANG^1,^2,³, Xin KANG^1,^2,³, Daniel DIAS⁴",
journal="Journal of Zhejiang University Science A",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/jzus.A2500135"
}

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Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: Most current design methods for geosynthetic-reinforced pile-supported (GRPS) embankments neglect the influence of fill cohesion, and are therefore only suitable for cohesionless fills. However, cohesive fills are also widely used in GRPS embankments. To address this issue, we present an analytical model that expands the hemispherical arching model to incorporate cohesive fill properties. The proposed model integrates the soil arching effect, the tensioned membrane effect, and subsoil support to provide a simple approach for analyzing load transfer in GRPS embankments. To evaluate the effectiveness of the proposed model, a comparison with four well-known design methods is conducted using several case studies. This comparison demonstrates that the proposed model shows good agreement with the measured data, validating the reliability and applicability of our method. A parametric study is also performed, with the results indicating that the cohesion of fills enhances load transfer in GRPS embankments, resulting in a greater pile efficacy and a lower geosynthetic deflection. These findings provide valuable insights for the construction of GRPS embankments.

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