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414308

Enhancing Pullout Capacity of Single Piles and Pile Groups Using Geosynthetic Soil-Reinforcement Technique

Article

Last updated: 09 Mar 2025

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Abstract

This study investigates the influence of soil reinforcement on the uplift performance of single piles and pile groups in cohesionless soil with 60% relative density. Various reinforcement configurations were examined, altering reinforcement type, embedded depth, layer width, and number of layers. Steel circular piles with bulged surfaces were used for the single pile and the 2x1 pile group models, with the latter spaced at three times the single pile diameter. Results demonstrate that the incorporation of soil reinforcement layers significantly improved the pullout capacity of the single pile and the 2x1 pile group. In addition, the pullout resistance increases with reinforcement layer width, up to 9D for single piles and (9+3) D for pile groups, where D is the diameter of the single pile. Multiple reinforcement layers further enhanced pullout resistance for both configurations. For pile groups, a double layer of geogrid spaced at 2D yielded superior pile capacity ratios compared to a single layer, though single-layer configurations exhibited higher group efficiency. The study also compares the effects of two reinforcement types, SS30 and TX150, on pullout capacity. Numerical simulations using Abaqus software complement the experimental findings, validating the observed enhanced pullout capacities in reinforced soil conditions. This research contributes valuable insights into optimizing pile foundation design through strategic soil reinforcement techniques, potentially revolutionizing geotechnical engineering practices for enhanced structural stability and cost-effectiveness

DOI

10.21608/erj.2025.344539.1163

Keywords

Soil Reinforcement, pile group, Pullout load, SS30, TX150

Authors

First Name

Asmaa

Last Name

Nour El-Deen

MiddleName

-

Affiliation

Civil Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.

Email

asmaa_noreldein@m-eng.helwan.edu.eg

City

-

Orcid

-

First Name

Marawan

Last Name

Shahien

MiddleName

-

Affiliation

Professor of Geotechnical Engineering, Civil Engineering Department, Faculty of Engineering, Tanta University, Cairo, Egypt

Email

marawan.shahin@f-eng.tanta.edu.eg

City

-

Orcid

-

First Name

Mona

Last Name

Mansour

MiddleName

-

Affiliation

Professor of Geotechnical Engineering, Civil Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.

Email

monamansor@m-eng.helwan.edu.eg

City

-

Orcid

-

First Name

Mohammed

Last Name

Rabie

MiddleName

-

Affiliation

Professor of Geotechnical Engineering, Civil Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt.

Email

m.rabie@talk21.com

City

cairo

Orcid

-

Volume

184

Article Issue

2

Related Issue

54116

Issue Date

2025-03-01

Receive Date

2024-12-15

Publish Date

2025-03-01

Page Start

178

Page End

196

Print ISSN

1110-5615

Online ISSN

3062-5408

Link

https://erj.journals.ekb.eg/article_414308.html

Detail API

http://journals.ekb.eg?_action=service&article_code=414308

Order

414,308

Type

Original Article

Type Code

998

Publication Type

Journal

Publication Title

Engineering Research Journal

Publication Link

https://erj.journals.ekb.eg/

MainTitle

Enhancing Pullout Capacity of Single Piles and Pile Groups Using Geosynthetic Soil-Reinforcement Technique

Details

Type

Article

Created At

09 Mar 2025