Numerical Solution for Laterally Loaded Piles in a Two-Layer Soil Profile

Yang, Keming; Liang, Robert Y.

doi:10.1061/(asce)1090-0241(2006)132:11(1436)

Cited by 43 publications

(11 citation statements)

References 11 publications

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“…10. After 9 m spudcan depth, the pile moment reduced rapidly with a greater socket length due to the sand restraint effect and the rate of reduction became smaller when the socket length was greater than 3 m. This result is similar to the deflection of free-headed piles due to lateral loading as observed by Yang & Liang (2006).…”

Section: Effect Of Sand Layersupporting

confidence: 75%

Centrifuge modelling of spudcan–pile interaction in soft clay overlying sand

Xie¹,

Leung²,

Chow³

2017

Géotechnique

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When a jack-up rig is installed in close proximity to an existing piled jacket platform, the massive soil movements induced by spudcan penetration may damage the adjacent piles. In 2012 the authors reported the findings of an extensive centrifuge model study on spudcan-pile interaction in soft clay. As a seabed profile may consist of soft clay over stiff soils and the spudcan-pile interaction phenomenon in such case is expected to be significantly different from that in soft clay, the earlier study is extended to investigate the interaction of a spudcan with adjacent piles in a soft clay overlying sand profile. Besides centrifuge tests on model spudcans, tests on half-spudcans placed behind the transparent window of the model container have been conducted to evaluate the soil movements and failure mechanism for various model configurations and soil conditions. The experimental results and findings are presented in this paper.

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Section: Effect Of Sand Layersupporting

confidence: 75%

Centrifuge modelling of spudcan–pile interaction in soft clay overlying sand

Xie¹,

Leung²,

Chow³

2017

Géotechnique

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“…Pile displacement obtained from the present analysis is compared with that obtained from a field pile load test reported by Yang and Liang (2006). For an applied load F a = 400 kN, the calculated head displacement is 2.6 mm while the measured head displacement in the field is 3.14 mm (the drilled shaft behaved rigidly in the field because of which this comparison is possible).…”

Section: Comparison With Field Testmentioning

confidence: 75%

Response of laterally loaded rigid monopiles and poles in multi-layered elastic soil

Basu

2016

Can. Geotech. J.

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A new method of analysis of rigid monopiles and poles based on the principle of virtual work is developed. The analysis considers three-dimensional interaction between the rigid pile and surrounding soil, and quickly produces pile response while maintaining accuracy comparable with that obtained from equivalent finite element analysis. Using this method, a systematic parametric study is performed to investigate the response of rigid piles in soil profiles where properties change either continuously or discretely with depth. Equations are developed based on the parametric study, which can be used to calculate pile head displacement and rotation. Numerical examples are provided that illustrate the use of the method.

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“…Since the serviceability limit state is the primary concern in the design of laterally loaded piles, the p-y method has gained huge popularity, particularly in the US. Over the years, several modifications and extensions of the beam-on-foundation approach and the p-y method have been made (Reddy and Valsangkar 1970, Madhav et al 1971, Scott 1981, Aköz et al 1981, Hsiung 2003, Shen and Teh 2004, Hsiung et al 2006, Yang and Liang 2006. The characteristic load method of Duncan et al (1994), in which dimensionless equations are developed from p-y analysis, and the strain wedge model of Ashour and Norris (2000), which considers a mobilized passive soil wedge in front of the pile to determine p-y curves, are examples of these methods.…”

Section: Applied Forces Beammentioning

confidence: 99%