Estimation of Strength of Massive Jointed Rock Mass Based on Generalized Hoek-Brown Criterion

Feng Shan Han

doi:10.4028/www.scientific.net/AMM.204-208.259

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Estimation of Strength of Massive Jointed Rock...

Estimation of Strength of Massive Jointed Rock Mass Based on Generalized Hoek-Brown Criterion

Abstract:

The strength of massive jointed rock mass can be estimated based on Mohr-Coulomb criterion and Hoek-Brown criterion without making expensive experiment of massive jointed rock mass in site. Only using regression analysis, through transformation，Mohr-Coulomb criterion is compared with Hoek-Brown criterion, the strength of jointed rock mass can be economically obtained. In this paper, based on Geological Strength Index GSI and parameter Jv(Joint/m3), the strength of massive jointed rock mass can be obtained. As an example of GSI 24 for massive jointed rock mass is taken, generalized Hoek-Brown criterion is analyzed linearly and approximately using regression analysis, strength of jointed rock mass can be economically obtained That provide economical and effective method for practical engineering analysis

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

259-262

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.259

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Online since:

October 2012

Authors:

Feng Shan Han

Keywords:

Hoek-Brown Criterion, Jointed Rock Mass, Mohr-Coulomb Criterion, Regression Analysis, Strength, Transformation

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