Revisiting rock classification to estimate rock mass properties

被引：13

作者：

Bertuzzi, Robert ^{[1
]}

机构：

[1] Pells Sullivan Meynink, N Ryde, NSW 2113, Australia

来源：

JOURNAL OF ROCK MECHANICS AND GEOTECHNICAL ENGINEERING | 2019年 / 11卷 / 03期

关键词：

Rock mass properties; Hoek-Brown strength criterion; Geological strength index (GSI); Tunnelling; TRIAXIAL STRENGTH CRITERIA; BROWN FAILURE CRITERION; DEFORMATION MODULUS; GSI; COAL; PREDICTION; COULOMB; TESTS; INDEX;

D O I：

10.1016/j.jrmge.2018.08.011

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

This paper presents the results of ongoing research carried out by the author exploring methods to provide a more robust estimate of rock mass properties specifically for use in tunnel design. Data from various large-scale rock mass failures are introduced, including coal pillars. The damage-initiation, spalling-limit approach is compared to the coal pillar database. New comparisons of estimating the geological strength index (GSI) and relationships to estimate the Hoek-Brown failure criterion parameters, m(b), s and a, are presented. (C) 2018 Institute of Rock and Soil Mechanics, Chinese Academy of Sciences. Production and hosting by Elsevier B.V.

引用

页码：494 / 510

页数：17

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