Analytical Models to Estimate the Time Dependent Increase in Pile Capacity (Pile Set-Up)

Abu-Farsakh, Murad; Haque, Md. Nafiul

doi:10.1007/978-3-319-61642-1_12

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…While the value of the cylindrical bearing capacity is not affected by the configuration arrangement of the thread diameter which enlarges downwards (D6810) or shrinks to the bottom. Or in other words, the effectiveness of the configuration can be seen in the arrangement of the thread diameters, the deeper the thread diameter, the larger the thread diameter [13].…”

Section: Conclusion This Research Get the Following Conclusion Such Asmentioning

confidence: 99%

The influence of helix diameter configuration on helical pile bearing capacity

Amalia

Iqbal

Dewi

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Helical pile is an invention of pile foundation that has many advantages. Helical pile produced bearing capacity greater than other pile foundations. It because The Bearing capacity of helical pile is contributed by end bearing capacity (Qb), shaft friction bearing capacity (Qs) and bearing capacity of helix or cylindrical (Qcyc) along pile. On of the Several factors that influence bearing capacity of helical pile was the configuration of helix diameter arrangement. This research was a laboratory experiment using a box, sand as the medium and a miniature of steel pile. The diameter pile test was 1,5 cm and length was 63 cm. Each pile has three helix along the pile with a configuration of diameter from top to bottom was 10 cm – 8 cm – 6 cm and from top to bottom 6 cm – 8 cm – 10 cm. The kind of Loading test was used in this research was Quick Maintain Load (QML). From the research, It was found that the variation wich gave the most significant influence in remained the greatest bearing capacity was the pile with diameter configuration of helix from top to bottom 6 cm – 8 cm – 10 cm or pile D6810.

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Section: Conclusion This Research Get the Following Conclusion Such Asmentioning

confidence: 99%

The influence of helix diameter configuration on helical pile bearing capacity

Amalia

Iqbal

Dewi

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Set-up effect of large-diameter open-ended thin-walled pipe piles driven in clay

Qin

Gao

Chang³

et al. 2023

Computers and Geotechnics

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The Effect of Setup Time in Geotechnical Resistance Factor of Driven Steel Piles in Alberta: a Case Study

Roshani

2024

DFIJ

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Determining the bearing capacity of driven steel piles is a critical concern in geotechnical engineering particularly when constructing major structures in oil and gas and infrastructure projects in Alberta. To verify pile capacity, the pile driving analyzer (PDA) and static load tests (SLTs) are widely used. In recent years, PDA testing has become a regular part of pile quality assurance programs on projects and increasingly used as full-scale load tests. Several studies have shown that geotechnical resistance factor (GRF) values can be calibrated with the aim of PDA testing results which can help designers to potentially reduce the number and length of piles. Nevertheless, uncertainty remains regarding the extent to which the GRF value can be optimized following the implementation of the PDA. In this paper, a database of PDA tests and SLTs are compiled from several projects in Alberta, Canada. The primary objective of this study is to assess the impact of time on the recommended GRFs by several codes. To achieve this, the study employs a well-established probabilistic technique known as Monte Carlo Simulation (MCS) to quantify the influence of time, referred to as “setup time”. To enhance the assessment of setup time’s effect, the recorded bearing capacities are collected during two distinct time points: after the completion of pile installation or the end of drive (EOD) condition, and after a specific setup time at the Beginning-of-Restrike (BOR) condition. The results suggest that by taking into account the time impact, GRF values can be optimized, leading to an increase in factored pile resistance and ultimately resulting in a more cost-effective design process for steel-driven piles.

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Analytical Models to Estimate the Time Dependent Increase in Pile Capacity (Pile Set-Up)

Cited by 3 publications

References 14 publications

The influence of helix diameter configuration on helical pile bearing capacity

The influence of helix diameter configuration on helical pile bearing capacity

Set-up effect of large-diameter open-ended thin-walled pipe piles driven in clay

The Effect of Setup Time in Geotechnical Resistance Factor of Driven Steel Piles in Alberta: a Case Study

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