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Loose circle and rock mass strength tests of extremely thin layered surrounding rock in large deformation tunnels

Feng Peng1,2, Xiqiang Yuan2, Tianbin Li3,4

  • 1State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, China.

Scientific Reports
|February 22, 2025
PubMed

Keywords:
Drilling shear testExtremely thin-layered rockField testSurrounding rock loose circle

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