2024
DOI: 10.1088/1755-1315/1331/1/012006
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A fast and automatic establishment method of the calculation formula for the tunnel face safety factor based on analytical solution

Jianhong Man,
Hongwei Huang,
Jiayao Chen

Abstract: Assessing rock tunnel face stability when constructing mountain tunnels is of utmost importance because it is influenced by various factors, including the tunnel diameter, depth, excavation dimension, geological strength index, uniaxial compressive strength, and Hoek-Brown constant. This study established a tunnel face stability database based on analytical solutions that considered the correlation between the influencing parameters. Finally, a safety factor prediction equation was constructed by combining res… Show more

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