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2020 | OriginalPaper | Buchkapitel

6. The Geological Strength Index

verfasst von : Jianping Zuo, Jiayi Shen

Erschienen in: The Hoek-Brown Failure criterion—From theory to application

Verlag: Springer Singapore

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Abstract

A rock mass failure criterion would have no practical value unless it could be linked to geological description that could be made easily by engineering geologists. The geological strength index (GSI) is a rock mass classification system that has been developed in rock engineering to meet the need of estimating reliable rock mass properties for the design of engineering projects. The heart of the GSI system is a careful engineering geology description of the rock mass encountered in engineering projects. The value of GSI is based upon the assessment of the two fundamental factors, namely, structure and discontinuities condition in the rock mass which can be estimated from visual examination of the rock mass exposed in outcrops. This Chapter attempts to introduce various descriptive and quantitative GSI charts for describing rock structure and the surface conditions of the discontinuities.

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Metadaten
Titel
The Geological Strength Index
verfasst von
Jianping Zuo
Jiayi Shen
Copyright-Jahr
2020
Verlag
Springer Singapore
DOI
https://doi.org/10.1007/978-981-15-1769-3_6