2012•Journal of Xi'an University of Science and TechnologyRequires access

Stability analysis of surrounding rock of Mingyazi soft rock tunnel

YU Cun-peng

Abstract

The surrouding rock stability of soft rock tunnel is a difficult issue in the engineering.Taking Mingyazi tunnel of Shitian highway as an example,combined with the scene surrounding rock,applied theory to draw the ultumate displacement of tunnel surrounding rock deformation.FLAC numerical simulation software is used to create a calculation model.Tunnel surrounding rock deformation is analyzed.According to judgment basis of the displacement to judge the tunnel stability.Analysising the deformation characteristics of Mingyazi tunnel through on-site monitoring.The evaluation method has a certain reference value for the safety of the soft rock tunnel construction.

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Key concepts: Geotechnical engineering, Displacement (psychology), Deformation (meteorology), Geology, Stability (learning theory), Mining engineering, Computer science, Psychotherapist