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Key technologies for improving resilience of super-large diameter shield tunnel affected by large variable loads underneath the Yellow River

Авторы
ЧЭНЬ Цз.Институт проектирования городских транспортных и подземных сооружений, компания «Шанхайский муниципальный инженерно-проектный институт», г. Шанхай, Китай

Abstract: We present a slightly abridged and adapted translation of the paper “Key technologies for improving resilience of super-large diameter shield tunnel affected by large variable loads underneath the Yellow River” by Jiang Chen, Chinese geotechnician (Chen, 2024). It was published in 2024 in the journal “Earth and Environmental Science” by the publishing company of the British scientific society “Institute of Physics” (IOP) that is now virtually international. It is an open access paper under the CC BY 3.0 license that allows it to be distributed, translated, adapted, and supplemented, provided that the types of changes are noted and the original source is referred to. In our case, the full reference to the original paper (Chen, 2024), which was used for the presented translation, is given in the end.

Environmental conditions may have a significant impact on the construction and operation of underground works, and sudden changes in environmental conditions may lead to underground engineering damage. Considering the Yellow River crossing tunnel on Huanggang Road in Jinan as an example, this paper analyzes the mechanical performance of the lining of the shield tunnel with an external diameter of 16.8 m, which faces the challenge of large variable loads in the operation stage, such as deep riverbed erosion and deposition, large-scale heightening of the river embankments, seasonal changes in the groundwater level, and key technologies for improving the resilience of tunnel structure are proposed accordingly. The results can not only assist in the construction of the super-large-diameter shield tunnel project in Jinan City but also provide some technical support for other shield tunnel projects crossing rivers, lakes, and seas.

Key words: road tunnel; shield tunnelling; overloading; variable loads; tunnel stability; tunnel lining; deformation control; steel-fiber-reinforced concrete; reinforced joints; Yellow River; Jinan City

DOI: https://doi.org/10.58339/2949-0677-2025-7-1-76-83

UDC: 624.19

 

For citation: Chen J. Klyuchevye tekhnologii povysheniya ustoichivosti tonnelya sverkhbol'shogo diametra, sooruzhaemogo pod rekoi Khuankheh shchitovym sposobom i podverzhennogo vysokim peremennym nagruzkam [Key technologies for improving resilience of super-large diameter shield tunnel affected by large variable loads underneath the Yellow River] // Geoinfo. 2025. T. 7. № 1. S. 76–83. DOI:10.58339/2949-0677-2025-7-1-76-83 (in Rus.)

 

Funding: Financial support was provided by the Dawn Project (No. K2022K127) of the Shanghai Municipal Engineering Design Institute.

 

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Article in RSCI: https://elibrary.ru/item.asp?id=82518760