The variation rule of TBM tunneling parameters in deep composite strata and the recognition method of boreability grade

The variation rule of TBM tunneling parameters in deep composite strata and the recognition method of boreability grade

Abstract To evaluate the energy efficiency of tunneling with an open full-section road header constructed in deep coal composite strata, this study relies on the development project of the 1# backdraft tunnel in the western area of a mine located in Binchang, Shaanxi Province. The analysis is based...

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Bibliographic Details
Main Authors: Haibin Wang, Guogang Cui, Zhen Shi, Ling Zhang, Chengdeng Gao, Ziwei Ding
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
Subjects:
Tunneling parameters
Thrust factor
Special energy
Boreability analysis
Online Access:https://doi.org/10.1038/s41598-025-91159-w
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