What does this research mean for the field?

Pipe pile driving eliminates the collapsibility of medium collapsible loess within a range of three pile diameters through a compaction effect that significantly decreases void ratio and increases dry density. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

What question did this study set out to answer?

The aim is to explore how pipe pile driving can eliminate the collapsibility of loess soils.

March 29, 2026Results in Engineering0 citationsOpen Access

Compaction Effect of Pipe Pile on Loess Collapsibility Elimination

Elimination of loess collapsibility by the compaction effect of pipe pile

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Authors

MZMing Zhang DZDengshuai Zhu GYGengsheng Yan

Discussion

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Overview

Experiments demonstrate the elimination of loess collapsibility through pipe pile compaction, enhancing soil strength.

Key Points

The aim is to explore how pipe pile driving can eliminate the collapsibility of loess soils.
Conducted in-situ standard penetration and cone penetration tests.
Applied pipe pile driving to densify loess soil.
Measured changes in void ratio and dry density near the pile center.
Void ratio decreased and dry density increased significantly with proximity to the pile.
Collapsibility of medium loess was completely eliminated at greater burial depths.
Soil bearing capacity was greatly improved, showing a more than fourfold increase in resistance from funnel-shaped piles.

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Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69c8c277de0f0f753b39cb7c https://doi.org/10.1016/j.rineng.2026.110305

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March 29, 2026Results in Engineering0 citationsOpen Access

Compaction Effect of Pipe Pile on Loess Collapsibility Elimination

Elimination of loess collapsibility by the compaction effect of pipe pile

View Full Paper

Authors

MZMing Zhang DZDengshuai Zhu GYGengsheng Yan

Discussion

Member takes

Overview

Experiments demonstrate the elimination of loess collapsibility through pipe pile compaction, enhancing soil strength.

Key Points

The aim is to explore how pipe pile driving can eliminate the collapsibility of loess soils.
Conducted in-situ standard penetration and cone penetration tests.
Applied pipe pile driving to densify loess soil.
Measured changes in void ratio and dry density near the pile center.
Void ratio decreased and dry density increased significantly with proximity to the pile.
Collapsibility of medium loess was completely eliminated at greater burial depths.
Soil bearing capacity was greatly improved, showing a more than fourfold increase in resistance from funnel-shaped piles.

Ask AI

Helpful

Bookmark

View Full Paper

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69c8c277de0f0f753b39cb7c https://doi.org/10.1016/j.rineng.2026.110305

Ask AI

Helpful

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View Full Paper