DISASTER PROOF OF TUNNEL COLLAPSE IN THE ENTRANCE OF FRACTURE WALL ROCK
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Graphical Abstract
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Abstract
The cause of tunnel collapse is analyzed in this paper through the collapse geological investigation of Ma'anshan Tunnel, also the outcome of observation of ground deformation and pre-forecast result of geology radar are consulted to further study the cause. The measure and countermeasure to prevent the occurring of collapse accidents are generalized under the same engineering geological condition, which can provide construction direction for other tunnels.
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