Analysis on Surrounding Rock Stability of Joints Strike Parallel to the Cavern

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Abstract:

In order to study the influence on the different parts of the cavern by joints, the three-dimensional model is built by Patran and then calculated with FLAC3D after meshing. Seven working conditions about different inclination of joints (0°15°30°45°60°75°90°) are considered in the calculation. The results show that low dip joints in vault and steep joints in the sidewall are more dangerous. Therefore, some measures should be used when encountered this situation in this project.

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1694-1700

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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