2020
DOI: 10.1007/s40999-020-00547-y
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Analysis of the Behaviour of Very Slender Piles: Focus on the Ultimate Load

Abstract: The paper aims to analyse the influence of slenderness on the ultimate behaviour of piles with a very small diameter (less than 10 cm) that are often employed in soil reinforcement and for which the slenderness can significatively influence the failure behaviour, reducing the ultimate load. The aim is reached by means of numerical analyses on small-diameter piles of different geometries, embedded in clayey soil. The critical load is evaluated numerically in undrained conditions and then compared to the bearing… Show more

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Cited by 12 publications
(2 citation statements)
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“…As mitigation of the risks posed by soft rock slopes to highways is one of the most important factors in appraisal projects [2], the management and early warning of soft rock slope risk have become increasingly important for ensuring the safe operation of highways [3][4][5][6][7][8][9][10][11]. To this end, various ground improvement methods for soft rock slopes have been proposed, including the use of piles [12] and geofoam [13][14][15]. However, the current risk-control mode used to address soft rock slopes is relatively singular, and case-by-case management and research methods are usually adopted.…”
Section: Introductionmentioning
confidence: 99%
“…As mitigation of the risks posed by soft rock slopes to highways is one of the most important factors in appraisal projects [2], the management and early warning of soft rock slope risk have become increasingly important for ensuring the safe operation of highways [3][4][5][6][7][8][9][10][11]. To this end, various ground improvement methods for soft rock slopes have been proposed, including the use of piles [12] and geofoam [13][14][15]. However, the current risk-control mode used to address soft rock slopes is relatively singular, and case-by-case management and research methods are usually adopted.…”
Section: Introductionmentioning
confidence: 99%
“…In this paper, combining the excellent performance of bamboo and the good energy absorption of foam-filled tubes, a new type of polyurethane foam-filled bamboo composite tube is proposed. Unfilled bamboo composite tubes are prone to buckle, and the smaller the diameter is, the larger the slenderness ratio is, and the more prone they are to buckle [ 47 ]. Foam filler can improve the stability of thin-walled tube structures, but the foam is not suitable for single bearing, and the deformation recovery rate is high.…”
Section: Introductionmentioning
confidence: 99%