2024
DOI: 10.1038/s41598-024-78005-1
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Spatial deformation prediction method of fractured rock tunnel based on quantified GSI and its application

Caihua Shen,
Zhikang Zeng,
Huibo Lou
et al.

Abstract: Determining rock mass mechanical parameters and accurately predicting tunnel deformation during tunnel construction remain challenging tasks. This study introduces a novel approach to calculate the Geological Strength Index by integrating indoor rock mechanics tests with geometric data from three-dimensional dense reconstruction. We utilized the Hoek-Brown strength criterion to develop a theoretical model for predicting tunnel deformation in fractured rock masses. Case studies reveal that the average value of … Show more

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