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Centrifuge Study of Soil Arching in Slope Reinforced by Piles

Lei, Guoping / Usai, Sara / Wu, Wei

Abstract The main mechanism of discretely installed stabilizing piles is soil arching, which allows the driving force exerted on the soil mass between the piles to be transferred to the piles. This paper presents the results of a series of centrifuge tests of a $90^{\circ}$ slope reinforced by a row of piles with different pile spacing. The soil can move freely between the piles. Based on the failing of soil mass, the soil stabilized by the piles was divided into three zones, in which the most important soil area was drawn. Two failure modes of soil arching was observed in the tests. The soil arch trends to fail at the dome when the pile spacing is large, and at the pile-soil contact when pile spacing is small.

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Centrifuge Study of Soil Arching in Slope Reinforced by Piles

Lei, Guoping / Usai, Sara / Wu, Wei

Abstract The main mechanism of discretely installed stabilizing piles is soil arching, which allows the driving force exerted on the soil mass between the piles to be transferred to the piles. This paper presents the results of a series of centrifuge tests of a $90^{\circ}$ slope reinforced by a row of piles with different pile spacing. The soil can move freely between the piles. Based on the failing of soil mass, the soil stabilized by the piles was divided into three zones, in which the most important soil area was drawn. Two failure modes of soil arching was observed in the tests. The soil arch trends to fail at the dome when the pile spacing is large, and at the pile-soil contact when pile spacing is small.

Centrifuge Study of Soil Arching in Slope Reinforced by Piles

Lei, Guoping / Usai, Sara / Wu, Wei

Abstract The main mechanism of discretely installed stabilizing piles is soil arching, which allows the driving force exerted on the soil mass between the piles to be transferred to the piles. This paper presents the results of a series of centrifuge tests of a $90^{\circ}$ slope reinforced by a row of piles with different pile spacing. The soil can move freely between the piles. Based on the failing of soil mass, the soil stabilized by the piles was divided into three zones, in which the most important soil area was drawn. Two failure modes of soil arching was observed in the tests. The soil arch trends to fail at the dome when the pile spacing is large, and at the pile-soil contact when pile spacing is small.

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Title:

Centrifuge Study of Soil Arching in Slope Reinforced by Piles

Contributors:

Lei, Guoping (author) / Usai, Sara (author) / Wu, Wei (author)

Published in:

Recent Advances in Geotechnical Research ; 105-115

Springer Series in Geomechanics and Geoengineering

Publication date:

2018-06-02

Size:

11 pages

ISBN:

978-3-319-89671-7 , 978-3-319-89670-0

ISSN:

1866-8755 , 1866-8763

DOI:

https://doi.org/10.1007/978-3-319-89671-7_9

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences

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