Improved calculation method for settlement of rectangular pipe jacking based on random medium theory and Peck formula

Shen Qingsong; Chen Ye; Ye Shenghua; Ji Qiaowei; Wang Qiang

doi:10.20265/j.cnki.issn.1007-2993.2024-0214

Volume 39 Issue 4

Aug. 2025

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Shen Qingsong, Chen Ye, Ye Shenghua, Ji Qiaowei, Wang Qiang. Improved calculation method for settlement of rectangular pipe jacking based on random medium theory and Peck formula[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(4): 504-510. doi: 10.20265/j.cnki.issn.1007-2993.2024-0214

Citation:

Shen Qingsong, Chen Ye, Ye Shenghua, Ji Qiaowei, Wang Qiang. Improved calculation method for settlement of rectangular pipe jacking based on random medium theory and Peck formula[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(4): 504-510. doi: 10.20265/j.cnki.issn.1007-2993.2024-0214

Citation:

Shen Qingsong, Chen Ye, Ye Shenghua, Ji Qiaowei, Wang Qiang. Improved calculation method for settlement of rectangular pipe jacking based on random medium theory and Peck formula[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(4): 504-510. doi: 10.20265/j.cnki.issn.1007-2993.2024-0214

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Improved calculation method for settlement of rectangular pipe jacking based on random medium theory and Peck formula

doi: 10.20265/j.cnki.issn.1007-2993.2024-0214

Shen Qingsong^{1, 2
,},
Chen Ye^{1, 2},
Ye Shenghua^{1, 2},
Ji Qiaowei^{1, 2},
Wang Qiang^{1, 2}

1.
PowerChina Huadong Engineering Corporation Limited, Hangzhou 311100, Zhejiang, China
2.
Huadong Eco-Environmental Engineering Research Institute of Zhejiang Province, Hangzhou 310000, Zhejiang, China

Received Date: 2024-05-17
Accepted Date: 2025-01-02
Rev Recd Date: 2024-09-26
Publish Date: 2025-08-08

Abstract

Abstract

The calculation of the settlement caused by pipe jacking has always been a critical aspect in the design of pipe jacking engineering. The commonly used Peck formula was summarized on the basis of a large number of circular pipe jacking, and there are some errors in the application of rectangular pipe jacking. The random medium theory, which is suitable for both circular and rectangular pipe jacked, only gives the integral formula without the final integral calculation result, which leads to the complex calculation process and is difficult to be applied in engineering design. This study improves the integrand function in the random medium theory, proposes a simpler approximation function, and derives the final integration result, which greatly simplifies the calculation process. The relative error between the calculated result of the improved method and the measured settlement value (except for some measuring points) is approximately 5%, which indicates that the improved method demonstrates reasonable accuracy. The improved method was used to analyze the influence of various factors on the surface settlement, which provides a reference for future engineering design.
- rectangular pipe jacking,
- settlement,
- random medium theory,
- Peck formula

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References(15)

References

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Improved calculation method for settlement of rectangular pipe jacking based on random medium theory and Peck formula

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