An Experimental Study on Pile Spacing Effects under Lateral Loading in Sand

Grouped and single pile behavior differs owing to the impacts of the pile-to-pile interaction. Ultimate lateral resistance and lateral subgrade modulus within a pile group are known as the key parameters in the soil-pile interaction phenomenon. In this study, a series of experimental investigation w...

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Main Authors: Mahdy Khari, Khairul Anuar Kassim, Azlan Adnan
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2013/734292
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author Mahdy Khari
Khairul Anuar Kassim
Azlan Adnan
author_facet Mahdy Khari
Khairul Anuar Kassim
Azlan Adnan
author_sort Mahdy Khari
collection DOAJ
description Grouped and single pile behavior differs owing to the impacts of the pile-to-pile interaction. Ultimate lateral resistance and lateral subgrade modulus within a pile group are known as the key parameters in the soil-pile interaction phenomenon. In this study, a series of experimental investigation was carried out on single and group pile subjected to monotonic lateral loadings. Experimental investigations were conducted on twelve model pile groups of configurations 1 × 2, 1 × 3, 2 × 2, 3 × 3, and 3 × 2 for embedded length-to-diameter ratio l/d = 32 into loose and dense sand, spacing from 3 to 6 pile diameter, in parallel and series arrangement. The tests were performed in dry sand from Johor Bahru, Malaysia. To reconstruct the sand samples, the new designed apparatus, Mobile Pluviator, was adopted. The ultimate lateral load is increased 53% in increasing of s/d from 3 to 6 owing to effects of sand relative density. An increasing of the number of piles in-group decreases the group efficiency owing to the increasing of overlapped stress zones and active wedges. A ratio of s/d more than 6d is large enough to eliminate the pile-to-pile interaction and the group effects. It may be more in the loose sand.
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spelling doaj-art-e62f9c0edf6a449995c16378d1dfaa4e2025-08-20T02:21:02ZengWileyThe Scientific World Journal1537-744X2013-01-01201310.1155/2013/734292734292An Experimental Study on Pile Spacing Effects under Lateral Loading in SandMahdy Khari0Khairul Anuar Kassim1Azlan Adnan2Department of Geotechnics and Transportation, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Skudai, 81300 Johor Bahru, MalaysiaDepartment of Geotechnics and Transportation, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Skudai, 81300 Johor Bahru, MalaysiaDepartment of Geotechnics and Transportation, Faculty of Civil Engineering, Universiti Teknologi Malaysia, Skudai, 81300 Johor Bahru, MalaysiaGrouped and single pile behavior differs owing to the impacts of the pile-to-pile interaction. Ultimate lateral resistance and lateral subgrade modulus within a pile group are known as the key parameters in the soil-pile interaction phenomenon. In this study, a series of experimental investigation was carried out on single and group pile subjected to monotonic lateral loadings. Experimental investigations were conducted on twelve model pile groups of configurations 1 × 2, 1 × 3, 2 × 2, 3 × 3, and 3 × 2 for embedded length-to-diameter ratio l/d = 32 into loose and dense sand, spacing from 3 to 6 pile diameter, in parallel and series arrangement. The tests were performed in dry sand from Johor Bahru, Malaysia. To reconstruct the sand samples, the new designed apparatus, Mobile Pluviator, was adopted. The ultimate lateral load is increased 53% in increasing of s/d from 3 to 6 owing to effects of sand relative density. An increasing of the number of piles in-group decreases the group efficiency owing to the increasing of overlapped stress zones and active wedges. A ratio of s/d more than 6d is large enough to eliminate the pile-to-pile interaction and the group effects. It may be more in the loose sand.http://dx.doi.org/10.1155/2013/734292
spellingShingle Mahdy Khari
Khairul Anuar Kassim
Azlan Adnan
An Experimental Study on Pile Spacing Effects under Lateral Loading in Sand
The Scientific World Journal
title An Experimental Study on Pile Spacing Effects under Lateral Loading in Sand
title_full An Experimental Study on Pile Spacing Effects under Lateral Loading in Sand
title_fullStr An Experimental Study on Pile Spacing Effects under Lateral Loading in Sand
title_full_unstemmed An Experimental Study on Pile Spacing Effects under Lateral Loading in Sand
title_short An Experimental Study on Pile Spacing Effects under Lateral Loading in Sand
title_sort experimental study on pile spacing effects under lateral loading in sand
url http://dx.doi.org/10.1155/2013/734292
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