Abstract
The pile-supported embankment is widely used for subgrade settlement control in soft soil areas. Analyzing the soil arch effect of the embankment is the key to obtaining its bearing and deformation characteristics. Physical model tests of the soil arch effect and three-dimensional elastoplastic finite element numerical simulation of pile-supported embankment were carried out to study the soil arch formation process and bearing characteristics in embankment under the condition of differential settlement of pile and soil. The results show that with the increase in the differential settlement of pile and soil, the stress distribution in the embankment changes constantly, and the vertical pressure at the top of the pile first increases, then decreases, and tends to be stable, while the vertical soil pressure between piles decreases continuously until it becomes stable. When the soil arch is completely formed, there is an equal settlement surface in the embankment. The settlement of the soil layer on this surface is uniform, and that of the soil layer below this surface is uneven. The vertical distance between the equal settlement surface and the pile top is about two times the difference between pile spacing and pile width.
Publication Date
1-18-2024
DOI
10.14048/j.issn.1671-2579.2022.06.004
First Page
25
Last Page
29
Submission Date
May 2025
Recommended Citation
Zebin, HUANG; Zhiwei, XIE; Jun, LU; Xianlin, LIU; and Xilin, LV
(2024)
"Soil Arching Effect of Pile Supported Emban kmentand Evolution Law of Bearing Characteristics,"
Journal of China & Foreign Highway: Vol. 42:
Iss.
6, Article 4.
DOI: 10.14048/j.issn.1671-2579.2022.06.004
Available at:
https://zwgl1980.csust.edu.cn/journal/vol42/iss6/4
Reference
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