Research on the Entire Process of Degraded Pile Settlement and Foundation Deformation Based on Half-Model-Accelerated Corrosion Testing

ZHANG Mingyan; YANG Junjie; LIU Qiang

doi:10.3724/j.gyjzG23122110

Volume 56 Issue 3

Mar. 2026

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ZHANG Mingyan, YANG Junjie, LIU Qiang. Research on the Entire Process of Degraded Pile Settlement and Foundation Deformation Based on Half-Model-Accelerated Corrosion Testing[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(3): 261-269. doi: 10.3724/j.gyjzG23122110

Citation:

ZHANG Mingyan, YANG Junjie, LIU Qiang. Research on the Entire Process of Degraded Pile Settlement and Foundation Deformation Based on Half-Model-Accelerated Corrosion Testing[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(3): 261-269. doi: 10.3724/j.gyjzG23122110

Citation:

ZHANG Mingyan, YANG Junjie, LIU Qiang. Research on the Entire Process of Degraded Pile Settlement and Foundation Deformation Based on Half-Model-Accelerated Corrosion Testing[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(3): 261-269. doi: 10.3724/j.gyjzG23122110

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Research on the Entire Process of Degraded Pile Settlement and Foundation Deformation Based on Half-Model-Accelerated Corrosion Testing

doi: 10.3724/j.gyjzG23122110

ZHANG Mingyan^1,2,
YANG Junjie^1,2,
LIU Qiang^{3
,
,}

1. Key Laboratory of Marine Environment and Ecology of the Ministry of Education, Ocean University of China, Qingdao 266100, China;
2. College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China;
3. College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China

Received Date: 2023-12-21
Available Online: 2026-04-11
Publish Date: 2026-03-20

Abstract

Abstract

Steel pipe piles， concrete piles， and cement-soil piles that have been exposed to corrosive foundations， such as salt-rich marine soft soil， for a long time will all experience varying degrees of degradation on their surface layers. This leads to additional settlement of the piles under working load and seriously affects their service life. Research on the entire process of the settlement behavior of end-bearing-friction piles and foundation deformation features was conducted with the deepening of surface degradation in a half-model-accelerated degradation test. The experimental results showed that the additional settlement of degraded piles continued to increase. When the total settlement （which is the sum of the additional settlement of degraded piles and their settlement under working load） approached the ultimate settlement of non-degraded piles under ultimate load， the deformation characteristics of the foundation soil were similar. Namely， the deformation of the foundation soil around the piles was not significant， but the foundation soil at the pile end underwent small compression deformation.
- half-model-accelerated corrosion test,
- end-bearing friction pile,
- surface degradation,
- dynamic deformation of foundation soil,
- settlement of degraded piles

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References(26)

References

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