2001•Unpublished venueRequires access

Research on Mechanism of Rock Burst Generation and Development for High Stress Rock Tunnels

Quan Gao

Abstract

Through the investigation and analysis of high stress distribution in surrounding rock during the excavation of rock tunnels,the key factors to cause rock burst and the mechanism of rock burst generation and development are researched. The result shows that the scale and range of rock burst are related with elastic deformation energy storied in rock mass and the characteristics of unloading stress waves. The measures of preventing from rock burst for high stress rock tunnels are put forward.

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Key concepts: Rock burst, Rock mass classification, Geology, Geotechnical engineering, Stress (linguistics), Excavation, Deformation (meteorology), Mining engineering