Influence of geometry on the bearing capacity of sheet piled foundations

Panchal, J.P.; McNamara, A. M.; Goodey, R.J.

doi:10.1201/9780429438646-100

Cited by 3 publications

(1 citation statement)

References 2 publications

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“…This would have an impact on the design of both the piles and the raft although, as Bisht et al (2018) point out, the contribution of the raft is often ignored in conventional design even though that implies poor economy. Panchal et al (2018) present a small study on a hybrid foundation system combining sheet piles with a pile cap. The aim is to produce a sustainable foundation design that can be used in already heavily developed urban areas.…”

Section: Piles Under Seismic Actionmentioning

confidence: 99%

Physical modelling applied to infrastructure development

Goodey¹

2018

Physical Modelling in Geotechnics

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Section: Piles Under Seismic Actionmentioning

confidence: 99%

Physical modelling applied to infrastructure development

Goodey¹

2018

Physical Modelling in Geotechnics

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Sheet pile groups as an alternative foundation solution to cast-in-situ concrete piles

Panchal

McNamara

Goodey

2020

International Journal of Physical Modelling in Geotechnics

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Concrete piles have become common high-load-bearing foundation solutions providing end bearing and frictional resistance along the shaft. They are typically used for founding commercial or residential blocks with a design life of approximately 50 years. Following this the superstructure is decommissioned and may be demolished. However, piles are difficult to remove and therefore future developers can incur significant expense and programme delays in preparing the site to avoid obstructions. If removed, concrete piles are required to be broken down, which is a slow and laborious process. However, a foundation solution has been developed that allows foundations to be installed and extracted with relative ease while still achieving a similar, if not improved capacity. This solution has been defined as a hybrid foundation comprising deep sheet piles for shaft resistance and a pile cap as a shallow foundation. The hybrid pile offers significant advantages over concrete piles, including ease of installation, extraction, reuse and economy. The axial capacity of individual sheet piles is low; however, geometrically arranging sheet piles was shown to offer comparable or improved capacity over conventional concrete piles. The results from a series of centrifuge tests are presented in this paper.

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Bearing characteristics of model piled raft foundations supported by sheet piles

Xiong

Guo²,

Matsumoto

et al. 2024

International Journal of Physical Modelling in Geotechnics

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Compared with raft foundations, piled raft foundations can effectively reduce settlements caused by external loads such as superstructures, which makes them play an important role in constructions in urban areas. Recently, with the development of new piling methods, steel sheet piles can be penetrated into various types of grounds with high quality and precision. Although piles for piled raft foundations are usually pipe piles, sheet piles could become an alternative because the construction time and cost of sheet piles could be lower than those of pipe piles. Hence, a target of this research is to demonstrate the possibility of using sheet piles for piled raft foundations. In this study, a series of model tests were conducted first to investigate the load transfer behaviours of model piled raft foundations supported by three types of piles in an air-dried sand ground. Two of them were composed of sheet piles, called plate piles, and box pile respectively, and the other was a conventional pipe pile for comparison. Both vertical and horizontal load tests were conducted, and the load sharing between the raft and piles was carefully investigated. Since the plate pile foundation exhibited outstanding behaviours, finite element method (FEM) numerical analyses were then conducted to investigate the foundation-soil interaction in plate pile foundations under vertical and horizontal loading. According to the test and calculated results, a piled raft foundation supported by sheet piles would be a promising alternative to a conventional pipe pile foundation, especially in highly-seismic areas.

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Influence of geometry on the bearing capacity of sheet piled foundations

Cited by 3 publications

References 2 publications

Physical modelling applied to infrastructure development

Physical modelling applied to infrastructure development

Sheet pile groups as an alternative foundation solution to cast-in-situ concrete piles

Bearing characteristics of model piled raft foundations supported by sheet piles

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