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75745

Stability Analysis of Geotextile Reinforced Marine Causeways

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Last updated: 22 Jan 2023

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Abstract

The use of geotextile tubes as retaining systems, geotechnical application, and coastal protection in temporary and permanent structures is gaining lots of concern throughout the recent decades. In the present study, computer software, ABAQUS, was used to investigate the stability of geotubes as soil retaining structure for marine causeway. Nine scenarios comprised of two geotubes lining the side of a 1:1 slope causeway were modeled to explore their effect on the causeway displacement under surcharge loads. The stability of the system was investigated through using different deformed shapes of geotubes. These deformed shapes were obtained by using different pumping pressures (0.0, 5.0, and 20.0 kPa). Moreover, the effect of tidal range was studied by defining different water depths (0.5, 1.5 and 2.5 m measured from the causeway toe). The results showed that the use of geoextile tubes subjected to pumping pressure of 0.0 and 5.0 kPa improves the deformation behavior of the causeway with water depths of 0.5 and 1.5 m. While, the deformation was aggravated with water depth of 2.5 m when using geotextile tubes subjected to pumping pressures of 0.0 , 5.0 , and 20.0 kPa. On the other hand, the model ceased when applying pumping pressure of 20.0 kPa with water depths of 0.50 and 1.50 m due to the failure of the upper tube. Therefore, it is recommended to use the geotextile tubes subjected to pumping pressure of 0.0 and 5.0 kPa in case of lower water depths only.

DOI

10.21608/pserj.2020.23793.1031

Keywords

Geotextile Tubes, Pumping Pressure, Marine Causeways, ABAQUS, Slope Stability

Authors

First Name

Heba

Last Name

Koura

MiddleName

-

Affiliation

Civil Engineer at Suez Canal Authority

Email

hebakoura91@gmail.com

City

Port Said

Orcid

-

First Name

Ehab

Last Name

Tolba

MiddleName

-

Affiliation

Civil Engineering Department, Faculty of Engineering, Port Said University, Port Said, Egypt

Email

prof.tolba@gmail.com

City

Port Said

Orcid

-

First Name

Elsayed

Last Name

Galal

MiddleName

-

Affiliation

Civil Engineering Department, Faculty of Engineering, Port Said University, Port Said, Egypt

Email

elsayed.galal@psu.eng.edu.eg

City

Port Said

Orcid

-

Volume

24

Article Issue

2

Related Issue

17227

Issue Date

2020-09-01

Receive Date

2020-02-10

Publish Date

2020-09-01

Page Start

31

Page End

39

Print ISSN

1110-6603

Online ISSN

2536-9377

Link

https://pserj.journals.ekb.eg/article_75745.html

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https://pserj.journals.ekb.eg/service?article_code=75745

Order

4

Type

Original Article

Type Code

813

Publication Type

Journal

Publication Title

Port-Said Engineering Research Journal

Publication Link

https://pserj.journals.ekb.eg/

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Article

Created At

22 Jan 2023