Measurement and Research on Broken Zone of Surrounding Rock in Cha Zhen Tunnel

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Abstract:

The use of the Analysis and calculation with elastic-plastic theory and Deep displacement of surrounding rock measurement determine the distribution range on broken zone of surrounding rock in Cha Zhen tunnel ; it verifies The stability of surrounding rock and the design rationality of bolting parameters ;Providing a theoretical base for the setting on broken zone of surrounding rock supporting parameters.

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1321-1326

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July 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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