Correlation analysis between subgrade compaction state and rolling dynamic soil pressure

Zhang Ronghua; Wang Yujie; Dong Chao; Wang Xinyu; Jiang Hongguang; Yao Zhanyong

doi:10.20265/j.cnki.issn.1007-2993.2023-0534

Volume 39 Issue 1

Feb. 2025

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Article Navigation > GEOTECHNICAL ENGINEERING TECHNIQUE > 2025 > 39(1): 132-138

Zhang Ronghua, Wang Yujie, Dong Chao, Wang Xinyu, Jiang Hongguang, Yao Zhanyong. Correlation analysis between subgrade compaction state and rolling dynamic soil pressure[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(1): 132-138. doi: 10.20265/j.cnki.issn.1007-2993.2023-0534

Citation:

Zhang Ronghua, Wang Yujie, Dong Chao, Wang Xinyu, Jiang Hongguang, Yao Zhanyong. Correlation analysis between subgrade compaction state and rolling dynamic soil pressure[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(1): 132-138. doi: 10.20265/j.cnki.issn.1007-2993.2023-0534

Citation:

Zhang Ronghua, Wang Yujie, Dong Chao, Wang Xinyu, Jiang Hongguang, Yao Zhanyong. Correlation analysis between subgrade compaction state and rolling dynamic soil pressure[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(1): 132-138. doi: 10.20265/j.cnki.issn.1007-2993.2023-0534

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Correlation analysis between subgrade compaction state and rolling dynamic soil pressure

doi: 10.20265/j.cnki.issn.1007-2993.2023-0534

1.
Shandong Expressway Jiqing Middle Line Highway Co., Ltd., Weifang 261500, Shandong, China
2.
School of Qilu Transportation, Shandong University, Jinan 250061, Shandong, China

Received Date: 2023-05-09
Accepted Date: 2023-11-08
Rev Recd Date: 2023-09-17
Publish Date: 2025-02-21

Abstract

Abstract

To ensure subgrade compaction quality, the correlation between compaction state and rolling dynamic soil pressure was investigated. An indoor calibration test of soil pressure sensors was conducted, revealing a difference of over 65% between the sand calibration coefficient and the manufacturer's coefficient. This emphasized the necessity of selecting the medium based on actual engineering conditions for calibration. The relationship between the calibration coefficient and compaction state was clarified, leading to the establishment of a calibration coefficient - sand compaction degree curve and a normalization equation. Field measurements show that correcting measured values using actual medium calibration coefficients reduces the deviation from the Boussinesq theoretical solution by an average of 29.4%, compared to using the manufacturer’s coefficients.
- highway,
- subgrade compaction,
- soil pressure sensor,
- calibration coefficient,
- compaction state

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References(18)

References

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Correlation analysis between subgrade compaction state and rolling dynamic soil pressure

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