Static analysis and application of a new kind of shell bolting and shotcrete support
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The shell bolting and shotcrete trestle used in the soft rock tunnels were analyzed. The static analysis was also accomplished. The result of the practical test of the new bracing shows that it can improve the bracing ability with less material. In a word, the shell bolting and shotcrete support are wellstructured,which can sustain great ground stress and can be constructed easily.