复合地层双线大直径泥水盾构隧道Peck公式修正

梅源; 刘子扬; 周东波; 王逸飞; 张钰杭

doi:10.20174/j.JUSE.2026.03.05

地下空间与工程学报 >

2026 , Vol. 22 >Issue 3: 788 - 799

DOI: https://doi.org/10.20174/j.JUSE.2026.03.05

理论与试验研究

复合地层双线大直径泥水盾构隧道Peck公式修正

梅源 ,
刘子扬 ,
周东波 ,
王逸飞 ,
张钰杭

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1.西安建筑科技大学土木工程学院,西安 710055;
2.西安建筑科技大学陕西省岩土与地下空间工程重点实验室,西安 710055

梅源(1983—),男,河南信阳人,博士,教授,主要从事土木工程施工与管理方向的教学与科研工作。E-mail:meiyuan@xauat.edu.cn

刘子扬(2000—),男,陕西汉中人,硕士,主要从事土木工程施工与岩土力学方向的研究工作。E-mail:lzy2023@xauat.edu.cn

收稿日期: 2025-07-15

网络出版日期: 2026-06-23

基金资助

国家自然科学基金(52178302);陕西省重点研发计划项目(2020SF-373);陕西高校青年创新团队(2023—2026)

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Modification of the Peck Formula for Double-Line Large-Diameter Slurry Shield Tunnels in Composite Strata

Mei Yuan ,
Liu Ziyang ,
Zhou Dongbo ,
Wang Yifei ,
Zhang Yuhang

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1. College of Civil Engineering, Xi' an University of Architecture and Technology, Xi' an 710055, P. R. China;
2. Shaanxi Key Lab of Geotechnical and Underground Space Engineering, Xi' an University of Architecture and Technology, Xi' an 710055, P. R. China

Received date: 2025-07-15

Online published: 2026-06-23

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摘要

随着城市化进程的加快,地下空间开发成为缓解城市交通压力的重要途径。在复合地层中,双线大直径泥水盾构隧道的建设面临着复杂的地质条件和施工难题。基于杭州某双线隧道工程的地表沉降实测数据,本研究采用数学方法进行回归分析,引入地表最大沉降量修正系数α和沉降槽宽度修正系数β对双线Peck公式进行修正,同时结合叠加原理提出了一种针对复合地层双线隧道掘进叠加段的适用性修正方法,以期准确预测复合地层双线大直径泥水盾构隧道施工的地表沉降规律。结果表明:修正前的复合地层中双线大直径泥水盾构的地表沉降实测值与Peck公式预测值之间有较大差异;通过实例确定叠加段修正方法可以有效提高双线隧道中心间距L大于(i_左+i_右)时的叠加段预测曲线拟合度;通过对比不同直径的Peck公式修正系数范围可知,大直径盾构在竖向沉降控制方面优于中小直径盾构,而沉降槽宽度修正系数分布范围要大于中小直径盾构。研究成果可为我国大直径盾构隧道设计施工提供参考。

关键词： 复合地层; 双线隧道; Peck公式; 大直径泥水盾构; 参数修正

本文引用格式

梅源 , 刘子扬 , 周东波 , 王逸飞 , 张钰杭 . 复合地层双线大直径泥水盾构隧道Peck公式修正[J]. 地下空间与工程学报, 2026 , 22(3) : 788 -799 . DOI: 10.20174/j.JUSE.2026.03.05

Abstract

With the acceleration of urbanization, underground space development has become an important way to relieve the pressure of urban traffic. In composite formation, the construction of a double-line large-diameter mud-water shield tunnel faces complicated geological conditions and construction problems. Based on the measured surface settlement data of a double-line tunnel project in Hangzhou, this study adopts a mathematical method to perform regression analysis and introduces the correction coefficient α of the maximum surface settlement and the correction coefficient β of the width of the settlement trough to correct the double-line Peck formula. Meanwhile, combining the superposition principle, an applicable correction method for the superposed section of the double-line tunnel in composite formation is proposed. In order to accurately predict the ground settlement law of double-line large-diameter mud-water shield tunnel construction in composite formation. The results show that there is a great difference between the measured value and the predicted value of the Peck formula of the double-line large-diameter mud shield before correction. Examples show that the superposition section correction method can effectively improve the fitting degree of the superposition section prediction curve when the center distance L of the two-track tunnel is greater than (i left +i right). By comparing the corrected coefficient range ofthe Peck formula with different diameters, it can be seen that the large-diameter shield is better than the small-diameter shield in vertical settlement control, and the distribution range of the corrected coefficient of sedimentation tank width is larger than that of the small-diameter shield. The research can provide a reference for the design and construction of large-diameter shield tunnels in China.

Key words： composite strata; double-line tunnel; Peck formula; large-diameter slurry shield; parameter modification

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