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114946

THE COMPRESSION AND UPLIFT BEARING CAPACITIES OF HELICAL PILES IN COHESIONLESS SOIL

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Last updated: 04 Jan 2025

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Subjects

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Tags

Civil Engineering: structural, Geotechnical, reinforced concrete and s…nd sanitary engineering, Hydraulic, Railway, construction Management.

Abstract

Helical piles have been used widely in engineering application .They can be used to provide structural stability against axial compression ,uplift and lateral forces. . In recent years, helical pile foundations have become more widely used in many countries. There are few studies about helical piles, for this reason the aim of the present paper is to study how to improve the prevision of the compression and uplift capacities of helical piles, and study the effect of embedded depth and helical area of helical piles in sand soil on the compression and uplift bearing capacities. Studies of helical piles with different areas of helices provided are in continuation. Compression and uplift loads were applied at different height within the soil. The embedment length of screw anchor piles was also varied to study the behavior of helical piles under compression and uplift loads. Various size and numbers of helices have been used in the laboratory tests with diameters 5 ,6.7 , 8.2 and 10cm with varying lengths. The embedment ratios for each ,D/d are 1 ,2 ,3 ,4 ,5 ,6 and 7 . An experimental setup instrumented to allow the measurement of the compression and pullout loads which affect on the helical pile installed into prepared layers of sand until failure. The results show that the compression and pullout resistance of helical anchors is strongly affected by the area and composition of helical plates welded to the pile steel shaft . The compression and uplift loads are increased with increasing of the embedment ratios, D /d and helix diameter, d. In addition to some other useful results are indicated in this paper.

DOI

10.21608/jesaun.2013.114946

Keywords

helical pile, sand, Soil, compression load, uplift load, experimental work

Authors

First Name

Hamdy H. A.

Last Name

Abd el-Rahim

MiddleName

-

Affiliation

Associate Professor, civil eng department, Faculty of Engineering, Assiut University

Email

hamdy010@yahoo.com

City

-

Orcid

-

First Name

Yehia Kamal

Last Name

Taha

MiddleName

-

Affiliation

Civil Engineering Department, Faculty of Engineering, Assiut University

Email

-

City

-

Orcid

-

First Name

Walla El din El sharif

Last Name

Mohamed

MiddleName

-

Affiliation

Civil Engineering Department, Faculty of Engineering, Assiut University

Email

-

City

-

Orcid

-

Volume

41

Article Issue

No 6

Related Issue

16869

Issue Date

2013-11-01

Receive Date

2013-10-05

Publish Date

2013-11-01

Page Start

2,055

Page End

2,064

Print ISSN

1687-0530

Online ISSN

2356-8550

Article File

JESAUN_Volume 41_Issue No 6_Pages 2055-2064.pdf

PDF . 250.2kB

Link

https://jesaun.journals.ekb.eg/article_114946.html

Detail API

https://jesaun.journals.ekb.eg/service?article_code=114946

Order

3

Type

Research Paper

Type Code

1,438

Publication Type

Journal

Publication Title

JES. Journal of Engineering Sciences

Publication Link

https://jesaun.journals.ekb.eg/

MainTitle

THE COMPRESSION AND UPLIFT BEARING CAPACITIES OF HELICAL PILES IN COHESIONLESS SOIL

Details

Type

Article

Created At

23 Jan 2023