›› 2009, Vol. 30 ›› Issue (S1): 184-189.

• Geotechnical Engineering • Previous Articles     Next Articles

A new slope stability rating system

RAO Yang-an, HE Huai-jian   

  1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2009-05-08 Online:2009-08-10 Published:2011-03-16

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Abstract:

It is necessary to develop empirical evaluation methods for highway construction in mountainous areas in China due to the complexity of geotechnical engineering and the lack of completeness and certainty of geotechnical engineering data. A new slope stability rating system based on Bieniawski’s RMR, Barton’s Q, Romana’s SMR and Palmström’s RMi is put forward. The system employs a new method for describing and rating discontinuity condition considering the influence of raining. The condition of controlling discontinuity is considered in the system; and the rating standard for it is established. An example shows that the system is easy to use and objective to some extent.

Key words: slope stability rating system, empirical evaluation system, RMR, SMR, RMi, discontinuity condition

CLC Number: 

  • TU 457
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